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-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480-cache.lib114
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480.cir32
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480.cir.out96
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480.pro83
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480.sch698
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480.sub90
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/74480_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/CY74FCT480T/analysis1
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447-cache.lib162
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447.cir63
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447.cir.out189
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447.pro83
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447.sch1224
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447.sub183
-rw-r--r--library/SubcircuitLibrary/DM7447A/7447_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/DM7447A/analysis1
-rw-r--r--library/SubcircuitLibrary/HD74HC149/74149.cir52
-rw-r--r--library/SubcircuitLibrary/HD74HC149/74149.cir.out148
-rw-r--r--library/SubcircuitLibrary/HD74HC149/74149.pro83
-rw-r--r--library/SubcircuitLibrary/HD74HC149/74149.sch1012
-rw-r--r--library/SubcircuitLibrary/HD74HC149/74149.sub142
-rw-r--r--library/SubcircuitLibrary/HD74HC149/74149_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/HD74HC149/analysis1
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139-cache.lib76
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139.cir37
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139.cir.out93
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139.pro83
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139.sch675
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139.sub87
-rw-r--r--library/SubcircuitLibrary/HD74LS139/74139_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/HD74LS139/analysis1
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N-cache.lib171
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N.cir31
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N.cir.out47
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N.pro73
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N.proj1
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N.sch629
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/74520N_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74ALS520N/analysis1
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688-cache.lib132
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688.cir25
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688.cir.out61
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688.pro83
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688.sch514
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688.sub55
-rw-r--r--library/SubcircuitLibrary/SN74HC688/74688_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74HC688/analysis1
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148-cache.lib168
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148.cir55
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148.cir.out170
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148.pro83
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148.sch1070
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148.sub164
-rw-r--r--library/SubcircuitLibrary/SN74LS148/74148_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74LS148/analysis1
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151-cache.lib113
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151.cir35
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151.cir.out85
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151.pro83
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151.sch736
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151.sub79
-rw-r--r--library/SubcircuitLibrary/SN74LS151/74151_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74LS151/analysis1
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442-cache.lib42
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442.cir38
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442.cir.out35
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442.pro73
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442.proj1
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442.sch697
-rw-r--r--library/SubcircuitLibrary/SN74LS42/7442_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74LS42/analysis1
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429-cache.lib92
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429.cir19
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429.cir.out44
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429.pro83
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429.sch273
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429.sub38
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/7429_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74LVC1G29/analysis1
79 files changed, 11623 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480-cache.lib b/library/SubcircuitLibrary/CY74FCT480T/74480-cache.lib
new file mode 100644
index 00000000..58420ef7
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480-cache.lib
@@ -0,0 +1,114 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nor
+#
+DEF d_nor U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nor" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 -250 -50 150 -50 N
+P 2 0 1 0 -250 150 150 150 N
+X IN1 1 -450 100 215 R 50 50 1 1 I
+X IN2 2 -450 0 215 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_xor
+#
+DEF d_xor U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_xor" 50 100 47 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -350 50 180 -337 337 0 1 0 N -200 -50 -200 150
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 150 -50 -200 -50 N
+P 2 0 1 0 150 150 -200 150 N
+X IN1 1 -450 100 215 R 50 43 1 1 I
+X IN2 2 -450 0 215 R 50 43 1 1 I
+X OUT 3 450 50 200 L 50 39 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480.cir b/library/SubcircuitLibrary/CY74FCT480T/74480.cir
new file mode 100644
index 00000000..41b94a89
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480.cir
@@ -0,0 +1,32 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\74480\74480.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/20/25 19:44:02
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U4 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U10-Pad1_ d_xor
+U5 Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U10-Pad2_ d_xor
+U6 Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U11-Pad1_ d_xor
+U7 Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U11-Pad2_ d_xor
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ d_xor
+U11 Net-_U11-Pad1_ Net-_U11-Pad2_ Net-_U11-Pad3_ d_xor
+U14 Net-_U10-Pad3_ Net-_U11-Pad3_ Net-_U14-Pad3_ d_xor
+U8 Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U12-Pad1_ d_xor
+U9 Net-_U1-Pad13_ Net-_U1-Pad14_ Net-_U12-Pad2_ d_xor
+U2 Net-_U1-Pad15_ Net-_U1-Pad16_ Net-_U13-Pad1_ d_xor
+U3 Net-_U1-Pad17_ Net-_U1-Pad18_ Net-_U13-Pad2_ d_xor
+U12 Net-_U12-Pad1_ Net-_U12-Pad2_ Net-_U12-Pad3_ d_xor
+U13 Net-_U13-Pad1_ Net-_U13-Pad2_ Net-_U13-Pad3_ d_xor
+U15 Net-_U12-Pad3_ Net-_U13-Pad3_ Net-_U15-Pad3_ d_xor
+U20 Net-_U14-Pad3_ Net-_U18-Pad2_ Net-_U1-Pad20_ d_xor
+U21 Net-_U15-Pad3_ Net-_U19-Pad2_ Net-_U1-Pad22_ d_xor
+U22 Net-_U1-Pad20_ Net-_U1-Pad22_ Net-_U1-Pad21_ d_nor
+U18 Net-_U16-Pad3_ Net-_U18-Pad2_ d_inverter
+U16 Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U16-Pad3_ d_and
+U17 Net-_U1-Pad10_ Net-_U1-Pad19_ Net-_U17-Pad3_ d_and
+U19 Net-_U17-Pad3_ Net-_U19-Pad2_ d_inverter
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ Net-_U1-Pad15_ Net-_U1-Pad16_ Net-_U1-Pad17_ Net-_U1-Pad18_ Net-_U1-Pad19_ Net-_U1-Pad20_ Net-_U1-Pad21_ Net-_U1-Pad22_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480.cir.out b/library/SubcircuitLibrary/CY74FCT480T/74480.cir.out
new file mode 100644
index 00000000..59fd5704
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480.cir.out
@@ -0,0 +1,96 @@
+* c:\fossee\esim\library\subcircuitlibrary\74480\74480.cir
+
+* u4 net-_u1-pad1_ net-_u1-pad2_ net-_u10-pad1_ d_xor
+* u5 net-_u1-pad3_ net-_u1-pad4_ net-_u10-pad2_ d_xor
+* u6 net-_u1-pad5_ net-_u1-pad6_ net-_u11-pad1_ d_xor
+* u7 net-_u1-pad7_ net-_u1-pad8_ net-_u11-pad2_ d_xor
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_xor
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_xor
+* u14 net-_u10-pad3_ net-_u11-pad3_ net-_u14-pad3_ d_xor
+* u8 net-_u1-pad11_ net-_u1-pad12_ net-_u12-pad1_ d_xor
+* u9 net-_u1-pad13_ net-_u1-pad14_ net-_u12-pad2_ d_xor
+* u2 net-_u1-pad15_ net-_u1-pad16_ net-_u13-pad1_ d_xor
+* u3 net-_u1-pad17_ net-_u1-pad18_ net-_u13-pad2_ d_xor
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ d_xor
+* u13 net-_u13-pad1_ net-_u13-pad2_ net-_u13-pad3_ d_xor
+* u15 net-_u12-pad3_ net-_u13-pad3_ net-_u15-pad3_ d_xor
+* u20 net-_u14-pad3_ net-_u18-pad2_ net-_u1-pad20_ d_xor
+* u21 net-_u15-pad3_ net-_u19-pad2_ net-_u1-pad22_ d_xor
+* u22 net-_u1-pad20_ net-_u1-pad22_ net-_u1-pad21_ d_nor
+* u18 net-_u16-pad3_ net-_u18-pad2_ d_inverter
+* u16 net-_u1-pad9_ net-_u1-pad10_ net-_u16-pad3_ d_and
+* u17 net-_u1-pad10_ net-_u1-pad19_ net-_u17-pad3_ d_and
+* u19 net-_u17-pad3_ net-_u19-pad2_ d_inverter
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_u1-pad17_ net-_u1-pad18_ net-_u1-pad19_ net-_u1-pad20_ net-_u1-pad21_ net-_u1-pad22_ port
+a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u10-pad1_ u4
+a2 [net-_u1-pad3_ net-_u1-pad4_ ] net-_u10-pad2_ u5
+a3 [net-_u1-pad5_ net-_u1-pad6_ ] net-_u11-pad1_ u6
+a4 [net-_u1-pad7_ net-_u1-pad8_ ] net-_u11-pad2_ u7
+a5 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+a6 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a7 [net-_u10-pad3_ net-_u11-pad3_ ] net-_u14-pad3_ u14
+a8 [net-_u1-pad11_ net-_u1-pad12_ ] net-_u12-pad1_ u8
+a9 [net-_u1-pad13_ net-_u1-pad14_ ] net-_u12-pad2_ u9
+a10 [net-_u1-pad15_ net-_u1-pad16_ ] net-_u13-pad1_ u2
+a11 [net-_u1-pad17_ net-_u1-pad18_ ] net-_u13-pad2_ u3
+a12 [net-_u12-pad1_ net-_u12-pad2_ ] net-_u12-pad3_ u12
+a13 [net-_u13-pad1_ net-_u13-pad2_ ] net-_u13-pad3_ u13
+a14 [net-_u12-pad3_ net-_u13-pad3_ ] net-_u15-pad3_ u15
+a15 [net-_u14-pad3_ net-_u18-pad2_ ] net-_u1-pad20_ u20
+a16 [net-_u15-pad3_ net-_u19-pad2_ ] net-_u1-pad22_ u21
+a17 [net-_u1-pad20_ net-_u1-pad22_ ] net-_u1-pad21_ u22
+a18 net-_u16-pad3_ net-_u18-pad2_ u18
+a19 [net-_u1-pad9_ net-_u1-pad10_ ] net-_u16-pad3_ u16
+a20 [net-_u1-pad10_ net-_u1-pad19_ ] net-_u17-pad3_ u17
+a21 net-_u17-pad3_ net-_u19-pad2_ u19
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u4 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u5 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u6 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u7 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u10 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u11 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u14 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u8 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u9 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u2 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u3 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u12 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u13 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u15 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u20 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u21 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u22 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u18 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u17 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u19 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480.pro b/library/SubcircuitLibrary/CY74FCT480T/74480.pro
new file mode 100644
index 00000000..52048d93
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480.pro
@@ -0,0 +1,83 @@
+update=05/06/25 21:00:50
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480.sch b/library/SubcircuitLibrary/CY74FCT480T/74480.sch
new file mode 100644
index 00000000..12144421
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480.sch
@@ -0,0 +1,698 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
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+F 2 "" H 2950 1100 60 0000 C CNN
+F 3 "" H 2950 1100 60 0000 C CNN
+ 1 2950 1100
+ 1 0 0 -1
+$EndComp
+$Comp
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+U 1 1 6804FCEE
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+F 3 "" H 2950 1550 60 0000 C CNN
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+$EndComp
+$Comp
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+F 2 "" H 2950 2050 60 0000 C CNN
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+ 1 2950 2050
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_xor U7
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+ 1 2950 2550
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+L d_xor U10
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+F 1 "d_xor" H 4300 1400 47 0000 C CNN
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+$EndComp
+$Comp
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+U 1 1 6804FE73
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+F 1 "d_xor" H 4400 4950 47 0000 C CNN
+F 2 "" H 4350 4850 60 0000 C CNN
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+F 1 "d_xor" H 5650 4450 47 0000 C CNN
+F 2 "" H 5600 4350 60 0000 C CNN
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+ 1 5600 4350
+ 1 0 0 -1
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+L d_xor U20
+U 1 1 6804FF43
+P 7800 1700
+F 0 "U20" H 7800 1700 60 0000 C CNN
+F 1 "d_xor" H 7850 1800 47 0000 C CNN
+F 2 "" H 7800 1700 60 0000 C CNN
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+ 1 7800 1700
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+L d_xor U21
+U 1 1 6804FF8C
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+F 0 "U21" H 7850 4400 60 0000 C CNN
+F 1 "d_xor" H 7900 4500 47 0000 C CNN
+F 2 "" H 7850 4400 60 0000 C CNN
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+ 1 7850 4400
+ 1 0 0 -1
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+L d_nor U22
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+F 2 "" H 9550 3050 60 0000 C CNN
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+ 1 0 0 -1
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+F 1 "d_inverter" H 7200 2450 60 0000 C CNN
+F 2 "" H 7250 2250 60 0000 C CNN
+F 3 "" H 7250 2250 60 0000 C CNN
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+ 0 -1 -1 0
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+L d_and U16
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+F 2 "" H 6700 2950 60 0000 C CNN
+F 3 "" H 6700 2950 60 0000 C CNN
+ 1 6700 2950
+ 1 0 0 -1
+$EndComp
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+L d_and U17
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+F 1 "d_and" H 6850 5550 60 0000 C CNN
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+F 3 "" H 6800 5450 60 0000 C CNN
+ 1 6800 5450
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+F 1 "d_inverter" H 7350 5050 60 0000 C CNN
+F 2 "" H 7400 4850 60 0000 C CNN
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+ 1 7350 4900
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+$EndComp
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+U 1 1 6805012C
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+F 2 "" H 1550 900 60 0000 C CNN
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+ 1 1550 900
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+$Comp
+L PORT U1
+U 2 1 6805029B
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+F 0 "U1" H 1600 1200 30 0000 C CNN
+F 1 "PORT" H 1550 1100 30 0000 C CNN
+F 2 "" H 1550 1100 60 0000 C CNN
+F 3 "" H 1550 1100 60 0000 C CNN
+ 2 1550 1100
+ 1 0 0 -1
+$EndComp
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+L PORT U1
+U 3 1 680502E2
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+F 1 "PORT" H 1550 1350 30 0000 C CNN
+F 2 "" H 1550 1350 60 0000 C CNN
+F 3 "" H 1550 1350 60 0000 C CNN
+ 3 1550 1350
+ 1 0 0 -1
+$EndComp
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+L PORT U1
+U 4 1 6805032D
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+F 2 "" H 1550 1550 60 0000 C CNN
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+ 4 1550 1550
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+$EndComp
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+U 5 1 680503C1
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+F 3 "" H 1550 1800 60 0000 C CNN
+ 5 1550 1800
+ 1 0 0 -1
+$EndComp
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+L PORT U1
+U 6 1 68050412
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+F 0 "U1" H 1600 2100 30 0000 C CNN
+F 1 "PORT" H 1550 2000 30 0000 C CNN
+F 2 "" H 1550 2000 60 0000 C CNN
+F 3 "" H 1550 2000 60 0000 C CNN
+ 6 1550 2000
+ 1 0 0 -1
+$EndComp
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+U 7 1 68050465
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+F 1 "PORT" H 1550 2300 30 0000 C CNN
+F 2 "" H 1550 2300 60 0000 C CNN
+F 3 "" H 1550 2300 60 0000 C CNN
+ 7 1550 2300
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 8 1 680504B8
+P 1550 2500
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+F 1 "PORT" H 1550 2500 30 0000 C CNN
+F 2 "" H 1550 2500 60 0000 C CNN
+F 3 "" H 1550 2500 60 0000 C CNN
+ 8 1550 2500
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 68050543
+P 1550 2750
+F 0 "U1" H 1600 2850 30 0000 C CNN
+F 1 "PORT" H 1550 2750 30 0000 C CNN
+F 2 "" H 1550 2750 60 0000 C CNN
+F 3 "" H 1550 2750 60 0000 C CNN
+ 9 1550 2750
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 10 1 6805059A
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+F 1 "PORT" H 1550 3050 30 0000 C CNN
+F 2 "" H 1550 3050 60 0000 C CNN
+F 3 "" H 1550 3050 60 0000 C CNN
+ 10 1550 3050
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 11 1 680505EF
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+F 1 "PORT" H 1550 3450 30 0000 C CNN
+F 2 "" H 1550 3450 60 0000 C CNN
+F 3 "" H 1550 3450 60 0000 C CNN
+ 11 1550 3450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 12 1 6805064C
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+F 1 "PORT" H 1550 3700 30 0000 C CNN
+F 2 "" H 1550 3700 60 0000 C CNN
+F 3 "" H 1550 3700 60 0000 C CNN
+ 12 1550 3700
+ 1 0 0 -1
+$EndComp
+$Comp
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+U 13 1 680506A9
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+F 2 "" H 1550 4000 60 0000 C CNN
+F 3 "" H 1550 4000 60 0000 C CNN
+ 13 1550 4000
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+$EndComp
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+F 3 "" H 1550 4200 60 0000 C CNN
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+$EndComp
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+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+ 8700 3050 8700 4350
+Connection ~ 8700 4350
+Wire Wire Line
+ 10000 3000 10500 3000
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480.sub b/library/SubcircuitLibrary/CY74FCT480T/74480.sub
new file mode 100644
index 00000000..d91baa60
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480.sub
@@ -0,0 +1,90 @@
+* Subcircuit 74480
+.subckt 74480 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_u1-pad17_ net-_u1-pad18_ net-_u1-pad19_ net-_u1-pad20_ net-_u1-pad21_ net-_u1-pad22_
+* c:\fossee\esim\library\subcircuitlibrary\74480\74480.cir
+* u4 net-_u1-pad1_ net-_u1-pad2_ net-_u10-pad1_ d_xor
+* u5 net-_u1-pad3_ net-_u1-pad4_ net-_u10-pad2_ d_xor
+* u6 net-_u1-pad5_ net-_u1-pad6_ net-_u11-pad1_ d_xor
+* u7 net-_u1-pad7_ net-_u1-pad8_ net-_u11-pad2_ d_xor
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_xor
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_xor
+* u14 net-_u10-pad3_ net-_u11-pad3_ net-_u14-pad3_ d_xor
+* u8 net-_u1-pad11_ net-_u1-pad12_ net-_u12-pad1_ d_xor
+* u9 net-_u1-pad13_ net-_u1-pad14_ net-_u12-pad2_ d_xor
+* u2 net-_u1-pad15_ net-_u1-pad16_ net-_u13-pad1_ d_xor
+* u3 net-_u1-pad17_ net-_u1-pad18_ net-_u13-pad2_ d_xor
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ d_xor
+* u13 net-_u13-pad1_ net-_u13-pad2_ net-_u13-pad3_ d_xor
+* u15 net-_u12-pad3_ net-_u13-pad3_ net-_u15-pad3_ d_xor
+* u20 net-_u14-pad3_ net-_u18-pad2_ net-_u1-pad20_ d_xor
+* u21 net-_u15-pad3_ net-_u19-pad2_ net-_u1-pad22_ d_xor
+* u22 net-_u1-pad20_ net-_u1-pad22_ net-_u1-pad21_ d_nor
+* u18 net-_u16-pad3_ net-_u18-pad2_ d_inverter
+* u16 net-_u1-pad9_ net-_u1-pad10_ net-_u16-pad3_ d_and
+* u17 net-_u1-pad10_ net-_u1-pad19_ net-_u17-pad3_ d_and
+* u19 net-_u17-pad3_ net-_u19-pad2_ d_inverter
+a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u10-pad1_ u4
+a2 [net-_u1-pad3_ net-_u1-pad4_ ] net-_u10-pad2_ u5
+a3 [net-_u1-pad5_ net-_u1-pad6_ ] net-_u11-pad1_ u6
+a4 [net-_u1-pad7_ net-_u1-pad8_ ] net-_u11-pad2_ u7
+a5 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+a6 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a7 [net-_u10-pad3_ net-_u11-pad3_ ] net-_u14-pad3_ u14
+a8 [net-_u1-pad11_ net-_u1-pad12_ ] net-_u12-pad1_ u8
+a9 [net-_u1-pad13_ net-_u1-pad14_ ] net-_u12-pad2_ u9
+a10 [net-_u1-pad15_ net-_u1-pad16_ ] net-_u13-pad1_ u2
+a11 [net-_u1-pad17_ net-_u1-pad18_ ] net-_u13-pad2_ u3
+a12 [net-_u12-pad1_ net-_u12-pad2_ ] net-_u12-pad3_ u12
+a13 [net-_u13-pad1_ net-_u13-pad2_ ] net-_u13-pad3_ u13
+a14 [net-_u12-pad3_ net-_u13-pad3_ ] net-_u15-pad3_ u15
+a15 [net-_u14-pad3_ net-_u18-pad2_ ] net-_u1-pad20_ u20
+a16 [net-_u15-pad3_ net-_u19-pad2_ ] net-_u1-pad22_ u21
+a17 [net-_u1-pad20_ net-_u1-pad22_ ] net-_u1-pad21_ u22
+a18 net-_u16-pad3_ net-_u18-pad2_ u18
+a19 [net-_u1-pad9_ net-_u1-pad10_ ] net-_u16-pad3_ u16
+a20 [net-_u1-pad10_ net-_u1-pad19_ ] net-_u17-pad3_ u17
+a21 net-_u17-pad3_ net-_u19-pad2_ u19
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u4 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u5 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u6 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u7 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u10 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u11 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u14 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u8 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u9 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u2 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u3 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u12 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u13 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u15 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u20 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xor, NgSpice Name: d_xor
+.model u21 d_xor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u22 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u18 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u17 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u19 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74480 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/CY74FCT480T/74480_Previous_Values.xml b/library/SubcircuitLibrary/CY74FCT480T/74480_Previous_Values.xml
new file mode 100644
index 00000000..cca77fc4
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/74480_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis><source /><model><u4 name="type">d_xor<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_xor<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u5><u6 name="type">d_xor<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_xor<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u7><u10 name="type">d_xor<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u10><u11 name="type">d_xor<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u11><u14 name="type">d_xor<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u14><u8 name="type">d_xor<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_xor<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u9><u2 name="type">d_xor<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u2><u3 name="type">d_xor<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u3><u12 name="type">d_xor<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u12><u13 name="type">d_xor<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u13><u15 name="type">d_xor<field40 name="Enter Rise Delay (default=1.0e-9)" /><field41 name="Enter Fall Delay (default=1.0e-9)" /><field42 name="Enter Input Load (default=1.0e-12)" /></u15><u20 name="type">d_xor<field43 name="Enter Rise Delay (default=1.0e-9)" /><field44 name="Enter Fall Delay (default=1.0e-9)" /><field45 name="Enter Input Load (default=1.0e-12)" /></u20><u21 name="type">d_xor<field46 name="Enter Rise Delay (default=1.0e-9)" /><field47 name="Enter Fall Delay (default=1.0e-9)" /><field48 name="Enter Input Load (default=1.0e-12)" /></u21><u22 name="type">d_nor<field49 name="Enter Rise Delay (default=1.0e-9)" /><field50 name="Enter Fall Delay (default=1.0e-9)" /><field51 name="Enter Input Load (default=1.0e-12)" /></u22><u18 name="type">d_inverter<field52 name="Enter Rise Delay (default=1.0e-9)" /><field53 name="Enter Fall Delay (default=1.0e-9)" /><field54 name="Enter Input Load (default=1.0e-12)" /></u18><u16 name="type">d_and<field55 name="Enter Rise Delay (default=1.0e-9)" /><field56 name="Enter Fall Delay (default=1.0e-9)" /><field57 name="Enter Input Load (default=1.0e-12)" /></u16><u17 name="type">d_and<field58 name="Enter Rise Delay (default=1.0e-9)" /><field59 name="Enter Fall Delay (default=1.0e-9)" /><field60 name="Enter Input Load (default=1.0e-12)" /></u17><u19 name="type">d_inverter<field61 name="Enter Rise Delay (default=1.0e-9)" /><field62 name="Enter Fall Delay (default=1.0e-9)" /><field63 name="Enter Input Load (default=1.0e-12)" /></u19></model><devicemodel /><subcircuit /></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/CY74FCT480T/analysis b/library/SubcircuitLibrary/CY74FCT480T/analysis
new file mode 100644
index 00000000..5c9b0b46
--- /dev/null
+++ b/library/SubcircuitLibrary/CY74FCT480T/analysis
@@ -0,0 +1 @@
+.tran 10e-03 20e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/DM7447A/7447-cache.lib b/library/SubcircuitLibrary/DM7447A/7447-cache.lib
new file mode 100644
index 00000000..a8a60642
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447-cache.lib
@@ -0,0 +1,162 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 3_and
+#
+DEF 3_and X 0 40 Y Y 1 F N
+F0 "X" 100 -50 60 H V C CNN
+F1 "3_and" 150 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 150 50 158 716 -716 0 1 0 N 200 200 200 -100
+P 2 0 1 0 -150 200 200 200 N
+P 3 0 1 0 -150 200 -150 -100 200 -100 N
+X in1 1 -350 150 200 R 50 50 1 1 I
+X in2 2 -350 50 200 R 50 50 1 1 I
+X in3 3 -350 -50 200 R 50 50 1 1 I
+X out 4 500 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# 4_and
+#
+DEF 4_and X 0 40 Y Y 1 F N
+F0 "X" 50 -50 60 H V C CNN
+F1 "4_and" 100 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 100 0 206 760 -760 0 1 0 N 150 200 150 -200
+P 2 0 1 0 -200 200 150 200 N
+P 4 0 1 0 -200 200 -200 -200 50 -200 150 -200 N
+X in1 1 -400 150 200 R 50 50 1 1 I
+X in2 2 -400 50 200 R 50 50 1 1 I
+X in3 3 -400 -50 200 R 50 50 1 1 I
+X in4 4 -400 -150 200 R 50 50 1 1 I
+X out 5 500 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_buffer
+#
+DEF d_buffer U 0 40 Y Y 1 F N
+F0 "U" 0 -50 60 H V C CNN
+F1 "d_buffer" 0 50 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+P 4 0 1 0 -300 200 -300 -200 450 0 -300 200 N
+X IN 1 -500 0 200 R 50 50 1 1 I
+X OUT 2 650 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nand
+#
+DEF d_nand U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nand" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nor
+#
+DEF d_nor U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nor" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 -250 -50 150 -50 N
+P 2 0 1 0 -250 150 150 150 N
+X IN1 1 -450 100 215 R 50 50 1 1 I
+X IN2 2 -450 0 215 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/DM7447A/7447.cir b/library/SubcircuitLibrary/DM7447A/7447.cir
new file mode 100644
index 00000000..2def1963
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447.cir
@@ -0,0 +1,63 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\7447\7447.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/03/25 19:04:33
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U3 Net-_U1-Pad1_ Net-_U1-Pad6_ Net-_U10-Pad1_ d_nand
+U4 Net-_U1-Pad2_ Net-_U1-Pad6_ Net-_U11-Pad1_ d_nand
+U5 Net-_U1-Pad3_ Net-_U1-Pad6_ Net-_U12-Pad1_ d_nand
+U2 Net-_U1-Pad4_ Net-_U13-Pad1_ d_inverter
+U6 Net-_U1-Pad7_ Net-_U6-Pad2_ d_inverter
+X1 Net-_U1-Pad6_ Net-_U6-Pad2_ Net-_U11-Pad1_ Net-_U12-Pad1_ Net-_U33-Pad1_ 4_and
+U9 Net-_U13-Pad1_ Net-_U10-Pad1_ Net-_U33-Pad2_ d_and
+U10 Net-_U10-Pad1_ Net-_U1-Pad5_ Net-_U10-Pad3_ d_nand
+U11 Net-_U11-Pad1_ Net-_U1-Pad5_ Net-_U11-Pad3_ d_nand
+U12 Net-_U12-Pad1_ Net-_U1-Pad5_ Net-_U12-Pad3_ d_nand
+U13 Net-_U13-Pad1_ Net-_U1-Pad5_ Net-_U13-Pad3_ d_nand
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ PORT
+U14 Net-_U11-Pad3_ Net-_U13-Pad3_ Net-_U14-Pad3_ d_and
+U15 Net-_U10-Pad1_ Net-_U12-Pad3_ Net-_U15-Pad3_ d_and
+X10 Net-_U10-Pad3_ Net-_U11-Pad1_ Net-_U12-Pad1_ Net-_U13-Pad1_ ? 4_and
+U16 Net-_U11-Pad3_ Net-_U13-Pad3_ Net-_U16-Pad3_ d_and
+X2 Net-_U10-Pad3_ Net-_U11-Pad1_ Net-_U12-Pad3_ Net-_U23-Pad2_ 3_and
+X3 Net-_U10-Pad1_ Net-_U11-Pad3_ Net-_U12-Pad3_ Net-_U36-Pad2_ 3_and
+U17 Net-_U12-Pad3_ Net-_U13-Pad3_ Net-_U17-Pad3_ d_and
+X4 Net-_U10-Pad1_ Net-_U11-Pad3_ Net-_U12-Pad1_ Net-_U27-Pad2_ 3_and
+X5 Net-_U10-Pad3_ Net-_U11-Pad1_ Net-_U12-Pad1_ Net-_U24-Pad1_ 3_and
+X6 Net-_U10-Pad1_ Net-_U11-Pad1_ Net-_U12-Pad3_ Net-_U24-Pad2_ 3_and
+X7 Net-_U10-Pad3_ Net-_U11-Pad3_ Net-_U12-Pad3_ Net-_U37-Pad2_ 3_and
+U21 Net-_U10-Pad3_ Net-_U21-Pad2_ d_buffer
+U18 Net-_U11-Pad1_ Net-_U12-Pad3_ Net-_U18-Pad3_ d_and
+U19 Net-_U10-Pad3_ Net-_U11-Pad3_ Net-_U19-Pad3_ d_and
+U20 Net-_U11-Pad3_ Net-_U12-Pad1_ Net-_U20-Pad3_ d_and
+X8 Net-_U10-Pad3_ Net-_U12-Pad1_ Net-_U13-Pad1_ Net-_U38-Pad2_ 3_and
+X9 Net-_U10-Pad3_ Net-_U11-Pad3_ Net-_U12-Pad3_ Net-_U28-Pad1_ 3_and
+X11 Net-_U11-Pad1_ Net-_U12-Pad1_ Net-_U13-Pad1_ Net-_U1-Pad6_ Net-_U28-Pad2_ 4_and
+U27 Net-_U17-Pad3_ Net-_U27-Pad2_ Net-_U27-Pad3_ d_nor
+U26 Net-_U21-Pad2_ Net-_U18-Pad3_ Net-_U26-Pad3_ d_nor
+U28 Net-_U28-Pad1_ Net-_U28-Pad2_ Net-_U28-Pad3_ d_nor
+U22 Net-_U14-Pad3_ Net-_U15-Pad3_ Net-_U22-Pad3_ d_nor
+U29 Net-_U22-Pad3_ Net-_U22-Pad3_ Net-_U29-Pad3_ d_nor
+U35 Net-_U29-Pad3_ ? Net-_U35-Pad3_ d_nor
+U23 Net-_U16-Pad3_ Net-_U23-Pad2_ Net-_U23-Pad3_ d_nor
+U30 Net-_U23-Pad3_ Net-_U23-Pad3_ Net-_U30-Pad3_ d_nor
+U36 Net-_U30-Pad3_ Net-_U36-Pad2_ Net-_U36-Pad3_ d_nor
+U24 Net-_U24-Pad1_ Net-_U24-Pad2_ Net-_U24-Pad3_ d_nor
+U31 Net-_U24-Pad3_ Net-_U24-Pad3_ Net-_U31-Pad3_ d_nor
+U37 Net-_U31-Pad3_ Net-_U37-Pad2_ Net-_U37-Pad3_ d_nor
+U25 Net-_U19-Pad3_ Net-_U20-Pad3_ Net-_U25-Pad3_ d_nor
+U32 Net-_U25-Pad3_ Net-_U25-Pad3_ Net-_U32-Pad3_ d_nor
+U38 Net-_U32-Pad3_ Net-_U38-Pad2_ Net-_U38-Pad3_ d_nor
+U33 Net-_U33-Pad1_ Net-_U33-Pad2_ Net-_U1-Pad5_ d_nand
+U39 Net-_U35-Pad3_ Net-_U1-Pad8_ d_inverter
+U40 Net-_U36-Pad3_ Net-_U1-Pad9_ d_inverter
+U34 Net-_U27-Pad3_ Net-_U1-Pad10_ d_inverter
+U41 Net-_U37-Pad3_ Net-_U1-Pad11_ d_inverter
+U8 Net-_U26-Pad3_ Net-_U1-Pad12_ d_inverter
+U42 Net-_U38-Pad3_ Net-_U1-Pad13_ d_inverter
+U7 Net-_U28-Pad3_ Net-_U1-Pad14_ d_inverter
+
+.end
diff --git a/library/SubcircuitLibrary/DM7447A/7447.cir.out b/library/SubcircuitLibrary/DM7447A/7447.cir.out
new file mode 100644
index 00000000..2090985a
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447.cir.out
@@ -0,0 +1,189 @@
+* c:\fossee\esim\library\subcircuitlibrary\7447\7447.cir
+
+.include 4_and.sub
+.include 3_and.sub
+* u3 net-_u1-pad1_ net-_u1-pad6_ net-_u10-pad1_ d_nand
+* u4 net-_u1-pad2_ net-_u1-pad6_ net-_u11-pad1_ d_nand
+* u5 net-_u1-pad3_ net-_u1-pad6_ net-_u12-pad1_ d_nand
+* u2 net-_u1-pad4_ net-_u13-pad1_ d_inverter
+* u6 net-_u1-pad7_ net-_u6-pad2_ d_inverter
+x1 net-_u1-pad6_ net-_u6-pad2_ net-_u11-pad1_ net-_u12-pad1_ net-_u33-pad1_ 4_and
+* u9 net-_u13-pad1_ net-_u10-pad1_ net-_u33-pad2_ d_and
+* u10 net-_u10-pad1_ net-_u1-pad5_ net-_u10-pad3_ d_nand
+* u11 net-_u11-pad1_ net-_u1-pad5_ net-_u11-pad3_ d_nand
+* u12 net-_u12-pad1_ net-_u1-pad5_ net-_u12-pad3_ d_nand
+* u13 net-_u13-pad1_ net-_u1-pad5_ net-_u13-pad3_ d_nand
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ port
+* u14 net-_u11-pad3_ net-_u13-pad3_ net-_u14-pad3_ d_and
+* u15 net-_u10-pad1_ net-_u12-pad3_ net-_u15-pad3_ d_and
+x10 net-_u10-pad3_ net-_u11-pad1_ net-_u12-pad1_ net-_u13-pad1_ ? 4_and
+* u16 net-_u11-pad3_ net-_u13-pad3_ net-_u16-pad3_ d_and
+x2 net-_u10-pad3_ net-_u11-pad1_ net-_u12-pad3_ net-_u23-pad2_ 3_and
+x3 net-_u10-pad1_ net-_u11-pad3_ net-_u12-pad3_ net-_u36-pad2_ 3_and
+* u17 net-_u12-pad3_ net-_u13-pad3_ net-_u17-pad3_ d_and
+x4 net-_u10-pad1_ net-_u11-pad3_ net-_u12-pad1_ net-_u27-pad2_ 3_and
+x5 net-_u10-pad3_ net-_u11-pad1_ net-_u12-pad1_ net-_u24-pad1_ 3_and
+x6 net-_u10-pad1_ net-_u11-pad1_ net-_u12-pad3_ net-_u24-pad2_ 3_and
+x7 net-_u10-pad3_ net-_u11-pad3_ net-_u12-pad3_ net-_u37-pad2_ 3_and
+* u21 net-_u10-pad3_ net-_u21-pad2_ d_buffer
+* u18 net-_u11-pad1_ net-_u12-pad3_ net-_u18-pad3_ d_and
+* u19 net-_u10-pad3_ net-_u11-pad3_ net-_u19-pad3_ d_and
+* u20 net-_u11-pad3_ net-_u12-pad1_ net-_u20-pad3_ d_and
+x8 net-_u10-pad3_ net-_u12-pad1_ net-_u13-pad1_ net-_u38-pad2_ 3_and
+x9 net-_u10-pad3_ net-_u11-pad3_ net-_u12-pad3_ net-_u28-pad1_ 3_and
+x11 net-_u11-pad1_ net-_u12-pad1_ net-_u13-pad1_ net-_u1-pad6_ net-_u28-pad2_ 4_and
+* u27 net-_u17-pad3_ net-_u27-pad2_ net-_u27-pad3_ d_nor
+* u26 net-_u21-pad2_ net-_u18-pad3_ net-_u26-pad3_ d_nor
+* u28 net-_u28-pad1_ net-_u28-pad2_ net-_u28-pad3_ d_nor
+* u22 net-_u14-pad3_ net-_u15-pad3_ net-_u22-pad3_ d_nor
+* u29 net-_u22-pad3_ net-_u22-pad3_ net-_u29-pad3_ d_nor
+* u35 net-_u29-pad3_ ? net-_u35-pad3_ d_nor
+* u23 net-_u16-pad3_ net-_u23-pad2_ net-_u23-pad3_ d_nor
+* u30 net-_u23-pad3_ net-_u23-pad3_ net-_u30-pad3_ d_nor
+* u36 net-_u30-pad3_ net-_u36-pad2_ net-_u36-pad3_ d_nor
+* u24 net-_u24-pad1_ net-_u24-pad2_ net-_u24-pad3_ d_nor
+* u31 net-_u24-pad3_ net-_u24-pad3_ net-_u31-pad3_ d_nor
+* u37 net-_u31-pad3_ net-_u37-pad2_ net-_u37-pad3_ d_nor
+* u25 net-_u19-pad3_ net-_u20-pad3_ net-_u25-pad3_ d_nor
+* u32 net-_u25-pad3_ net-_u25-pad3_ net-_u32-pad3_ d_nor
+* u38 net-_u32-pad3_ net-_u38-pad2_ net-_u38-pad3_ d_nor
+* u33 net-_u33-pad1_ net-_u33-pad2_ net-_u1-pad5_ d_nand
+* u39 net-_u35-pad3_ net-_u1-pad8_ d_inverter
+* u40 net-_u36-pad3_ net-_u1-pad9_ d_inverter
+* u34 net-_u27-pad3_ net-_u1-pad10_ d_inverter
+* u41 net-_u37-pad3_ net-_u1-pad11_ d_inverter
+* u8 net-_u26-pad3_ net-_u1-pad12_ d_inverter
+* u42 net-_u38-pad3_ net-_u1-pad13_ d_inverter
+* u7 net-_u28-pad3_ net-_u1-pad14_ d_inverter
+a1 [net-_u1-pad1_ net-_u1-pad6_ ] net-_u10-pad1_ u3
+a2 [net-_u1-pad2_ net-_u1-pad6_ ] net-_u11-pad1_ u4
+a3 [net-_u1-pad3_ net-_u1-pad6_ ] net-_u12-pad1_ u5
+a4 net-_u1-pad4_ net-_u13-pad1_ u2
+a5 net-_u1-pad7_ net-_u6-pad2_ u6
+a6 [net-_u13-pad1_ net-_u10-pad1_ ] net-_u33-pad2_ u9
+a7 [net-_u10-pad1_ net-_u1-pad5_ ] net-_u10-pad3_ u10
+a8 [net-_u11-pad1_ net-_u1-pad5_ ] net-_u11-pad3_ u11
+a9 [net-_u12-pad1_ net-_u1-pad5_ ] net-_u12-pad3_ u12
+a10 [net-_u13-pad1_ net-_u1-pad5_ ] net-_u13-pad3_ u13
+a11 [net-_u11-pad3_ net-_u13-pad3_ ] net-_u14-pad3_ u14
+a12 [net-_u10-pad1_ net-_u12-pad3_ ] net-_u15-pad3_ u15
+a13 [net-_u11-pad3_ net-_u13-pad3_ ] net-_u16-pad3_ u16
+a14 [net-_u12-pad3_ net-_u13-pad3_ ] net-_u17-pad3_ u17
+a15 net-_u10-pad3_ net-_u21-pad2_ u21
+a16 [net-_u11-pad1_ net-_u12-pad3_ ] net-_u18-pad3_ u18
+a17 [net-_u10-pad3_ net-_u11-pad3_ ] net-_u19-pad3_ u19
+a18 [net-_u11-pad3_ net-_u12-pad1_ ] net-_u20-pad3_ u20
+a19 [net-_u17-pad3_ net-_u27-pad2_ ] net-_u27-pad3_ u27
+a20 [net-_u21-pad2_ net-_u18-pad3_ ] net-_u26-pad3_ u26
+a21 [net-_u28-pad1_ net-_u28-pad2_ ] net-_u28-pad3_ u28
+a22 [net-_u14-pad3_ net-_u15-pad3_ ] net-_u22-pad3_ u22
+a23 [net-_u22-pad3_ net-_u22-pad3_ ] net-_u29-pad3_ u29
+a24 [net-_u29-pad3_ ? ] net-_u35-pad3_ u35
+a25 [net-_u16-pad3_ net-_u23-pad2_ ] net-_u23-pad3_ u23
+a26 [net-_u23-pad3_ net-_u23-pad3_ ] net-_u30-pad3_ u30
+a27 [net-_u30-pad3_ net-_u36-pad2_ ] net-_u36-pad3_ u36
+a28 [net-_u24-pad1_ net-_u24-pad2_ ] net-_u24-pad3_ u24
+a29 [net-_u24-pad3_ net-_u24-pad3_ ] net-_u31-pad3_ u31
+a30 [net-_u31-pad3_ net-_u37-pad2_ ] net-_u37-pad3_ u37
+a31 [net-_u19-pad3_ net-_u20-pad3_ ] net-_u25-pad3_ u25
+a32 [net-_u25-pad3_ net-_u25-pad3_ ] net-_u32-pad3_ u32
+a33 [net-_u32-pad3_ net-_u38-pad2_ ] net-_u38-pad3_ u38
+a34 [net-_u33-pad1_ net-_u33-pad2_ ] net-_u1-pad5_ u33
+a35 net-_u35-pad3_ net-_u1-pad8_ u39
+a36 net-_u36-pad3_ net-_u1-pad9_ u40
+a37 net-_u27-pad3_ net-_u1-pad10_ u34
+a38 net-_u37-pad3_ net-_u1-pad11_ u41
+a39 net-_u26-pad3_ net-_u1-pad12_ u8
+a40 net-_u38-pad3_ net-_u1-pad13_ u42
+a41 net-_u28-pad3_ net-_u1-pad14_ u7
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u9 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u10 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u11 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u12 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u13 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u14 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u15 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u17 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_buffer, NgSpice Name: d_buffer
+.model u21 d_buffer(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u18 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u19 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u20 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u27 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u26 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u28 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u22 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u29 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u35 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u23 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u30 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u36 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u24 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u31 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u37 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u25 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u32 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u38 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u33 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u39 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u40 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u34 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u41 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u42 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/DM7447A/7447.pro b/library/SubcircuitLibrary/DM7447A/7447.pro
new file mode 100644
index 00000000..51d5ef29
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447.pro
@@ -0,0 +1,83 @@
+update=05/06/25 21:02:42
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/DM7447A/7447.sch b/library/SubcircuitLibrary/DM7447A/7447.sch
new file mode 100644
index 00000000..010bba39
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447.sch
@@ -0,0 +1,1224 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
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+LIBS:microcontrollers
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+LIBS:analog_switches
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+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
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+F 2 "" H 9000 4300 60 0000 C CNN
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+ 1 9000 4300
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nor U25
+U 1 1 6807BABC
+P 7400 5650
+F 0 "U25" H 7400 5650 60 0000 C CNN
+F 1 "d_nor" H 7450 5750 60 0000 C CNN
+F 2 "" H 7400 5650 60 0000 C CNN
+F 3 "" H 7400 5650 60 0000 C CNN
+ 1 7400 5650
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nor U32
+U 1 1 6807BAC2
+P 8550 5600
+F 0 "U32" H 8550 5600 60 0000 C CNN
+F 1 "d_nor" H 8600 5700 60 0000 C CNN
+F 2 "" H 8550 5600 60 0000 C CNN
+F 3 "" H 8550 5600 60 0000 C CNN
+ 1 8550 5600
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nor U38
+U 1 1 6807BAC8
+P 9000 6150
+F 0 "U38" H 9000 6150 60 0000 C CNN
+F 1 "d_nor" H 9050 6250 60 0000 C CNN
+F 2 "" H 9000 6150 60 0000 C CNN
+F 3 "" H 9000 6150 60 0000 C CNN
+ 1 9000 6150
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 8 1 6807C68E
+P 10900 1400
+F 0 "U1" H 10950 1500 30 0000 C CNN
+F 1 "PORT" H 10900 1400 30 0000 C CNN
+F 2 "" H 10900 1400 60 0000 C CNN
+F 3 "" H 10900 1400 60 0000 C CNN
+ 8 10900 1400
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 6807D315
+P 10900 2550
+F 0 "U1" H 10950 2650 30 0000 C CNN
+F 1 "PORT" H 10900 2550 30 0000 C CNN
+F 2 "" H 10900 2550 60 0000 C CNN
+F 3 "" H 10900 2550 60 0000 C CNN
+ 9 10900 2550
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
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+P 10900 3150
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+F 1 "PORT" H 10900 3150 30 0000 C CNN
+F 2 "" H 10900 3150 60 0000 C CNN
+F 3 "" H 10900 3150 60 0000 C CNN
+ 10 10900 3150
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
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+F 0 "U1" H 10950 4350 30 0000 C CNN
+F 1 "PORT" H 10900 4250 30 0000 C CNN
+F 2 "" H 10900 4250 60 0000 C CNN
+F 3 "" H 10900 4250 60 0000 C CNN
+ 11 10900 4250
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 12 1 6807D4F4
+P 10900 5050
+F 0 "U1" H 10950 5150 30 0000 C CNN
+F 1 "PORT" H 10900 5050 30 0000 C CNN
+F 2 "" H 10900 5050 60 0000 C CNN
+F 3 "" H 10900 5050 60 0000 C CNN
+ 12 10900 5050
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 13 1 6807D719
+P 10900 6100
+F 0 "U1" H 10950 6200 30 0000 C CNN
+F 1 "PORT" H 10900 6100 30 0000 C CNN
+F 2 "" H 10900 6100 60 0000 C CNN
+F 3 "" H 10900 6100 60 0000 C CNN
+ 13 10900 6100
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 14 1 6807D7BA
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+F 0 "U1" H 10950 6800 30 0000 C CNN
+F 1 "PORT" H 10900 6700 30 0000 C CNN
+F 2 "" H 10900 6700 60 0000 C CNN
+F 3 "" H 10900 6700 60 0000 C CNN
+ 14 10900 6700
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 6450 800 6950 800
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 7900 800
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 7950 3750 8100 3750
+Connection ~ 7950 3650
+Wire Wire Line
+ 9000 3700 9000 4100
+Wire Wire Line
+ 9000 4100 8550 4100
+Wire Wire Line
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+Wire Wire Line
+ 6700 4800 7350 4800
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 2400 5300
+Wire Wire Line
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+Wire Wire Line
+ 1000 7000 1750 7000
+$Comp
+L d_nand U33
+U 1 1 6808DDE8
+P 2450 5800
+F 0 "U33" H 2450 5800 60 0000 C CNN
+F 1 "d_nand" H 2500 5900 60 0000 C CNN
+F 2 "" H 2450 5800 60 0000 C CNN
+F 3 "" H 2450 5800 60 0000 C CNN
+ 1 2450 5800
+ 0 -1 -1 0
+$EndComp
+Wire Wire Line
+ 1750 6400 1750 7300
+Wire Wire Line
+ 1750 7300 2050 7300
+Wire Wire Line
+ 1750 6400 1100 6400
+Connection ~ 1100 6400
+Connection ~ 1750 7000
+$Comp
+L d_inverter U39
+U 1 1 68161C40
+P 10050 1400
+F 0 "U39" H 10050 1300 60 0000 C CNN
+F 1 "d_inverter" H 10050 1550 60 0000 C CNN
+F 2 "" H 10100 1350 60 0000 C CNN
+F 3 "" H 10100 1350 60 0000 C CNN
+ 1 10050 1400
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 9450 1400 9750 1400
+Wire Wire Line
+ 10350 1400 10650 1400
+$Comp
+L d_inverter U40
+U 1 1 6816223F
+P 10050 2550
+F 0 "U40" H 10050 2450 60 0000 C CNN
+F 1 "d_inverter" H 10050 2700 60 0000 C CNN
+F 2 "" H 10100 2500 60 0000 C CNN
+F 3 "" H 10100 2500 60 0000 C CNN
+ 1 10050 2550
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+ 10350 2550 10650 2550
+$Comp
+L d_inverter U34
+U 1 1 6816284C
+P 9800 3150
+F 0 "U34" H 9800 3050 60 0000 C CNN
+F 1 "d_inverter" H 9800 3300 60 0000 C CNN
+F 2 "" H 9850 3100 60 0000 C CNN
+F 3 "" H 9850 3100 60 0000 C CNN
+ 1 9800 3150
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8300 3150 9500 3150
+Wire Wire Line
+ 10100 3150 10650 3150
+$Comp
+L d_inverter U41
+U 1 1 68162B94
+P 10050 4250
+F 0 "U41" H 10050 4150 60 0000 C CNN
+F 1 "d_inverter" H 10050 4400 60 0000 C CNN
+F 2 "" H 10100 4200 60 0000 C CNN
+F 3 "" H 10100 4200 60 0000 C CNN
+ 1 10050 4250
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+ 10350 4250 10650 4250
+$Comp
+L d_inverter U8
+U 1 1 6816304F
+P 9700 5050
+F 0 "U8" H 9700 4950 60 0000 C CNN
+F 1 "d_inverter" H 9700 5200 60 0000 C CNN
+F 2 "" H 9750 5000 60 0000 C CNN
+F 3 "" H 9750 5000 60 0000 C CNN
+ 1 9700 5050
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8250 5050 9400 5050
+Wire Wire Line
+ 10000 5050 10650 5050
+$Comp
+L d_inverter U42
+U 1 1 68163399
+P 10100 6100
+F 0 "U42" H 10100 6000 60 0000 C CNN
+F 1 "d_inverter" H 10100 6250 60 0000 C CNN
+F 2 "" H 10150 6050 60 0000 C CNN
+F 3 "" H 10150 6050 60 0000 C CNN
+ 1 10100 6100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 9450 6100 9800 6100
+Wire Wire Line
+ 10400 6100 10650 6100
+$Comp
+L d_inverter U7
+U 1 1 681636FC
+P 9650 6700
+F 0 "U7" H 9650 6600 60 0000 C CNN
+F 1 "d_inverter" H 9650 6850 60 0000 C CNN
+F 2 "" H 9700 6650 60 0000 C CNN
+F 3 "" H 9700 6650 60 0000 C CNN
+ 1 9650 6700
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8350 6700 9350 6700
+Wire Wire Line
+ 9950 6700 10650 6700
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/DM7447A/7447.sub b/library/SubcircuitLibrary/DM7447A/7447.sub
new file mode 100644
index 00000000..8ca0b8b1
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447.sub
@@ -0,0 +1,183 @@
+* Subcircuit 7447
+.subckt 7447 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_
+* c:\fossee\esim\library\subcircuitlibrary\7447\7447.cir
+.include 4_and.sub
+.include 3_and.sub
+* u3 net-_u1-pad1_ net-_u1-pad6_ net-_u10-pad1_ d_nand
+* u4 net-_u1-pad2_ net-_u1-pad6_ net-_u11-pad1_ d_nand
+* u5 net-_u1-pad3_ net-_u1-pad6_ net-_u12-pad1_ d_nand
+* u2 net-_u1-pad4_ net-_u13-pad1_ d_inverter
+* u6 net-_u1-pad7_ net-_u6-pad2_ d_inverter
+x1 net-_u1-pad6_ net-_u6-pad2_ net-_u11-pad1_ net-_u12-pad1_ net-_u33-pad1_ 4_and
+* u9 net-_u13-pad1_ net-_u10-pad1_ net-_u33-pad2_ d_and
+* u10 net-_u10-pad1_ net-_u1-pad5_ net-_u10-pad3_ d_nand
+* u11 net-_u11-pad1_ net-_u1-pad5_ net-_u11-pad3_ d_nand
+* u12 net-_u12-pad1_ net-_u1-pad5_ net-_u12-pad3_ d_nand
+* u13 net-_u13-pad1_ net-_u1-pad5_ net-_u13-pad3_ d_nand
+* u14 net-_u11-pad3_ net-_u13-pad3_ net-_u14-pad3_ d_and
+* u15 net-_u10-pad1_ net-_u12-pad3_ net-_u15-pad3_ d_and
+x10 net-_u10-pad3_ net-_u11-pad1_ net-_u12-pad1_ net-_u13-pad1_ ? 4_and
+* u16 net-_u11-pad3_ net-_u13-pad3_ net-_u16-pad3_ d_and
+x2 net-_u10-pad3_ net-_u11-pad1_ net-_u12-pad3_ net-_u23-pad2_ 3_and
+x3 net-_u10-pad1_ net-_u11-pad3_ net-_u12-pad3_ net-_u36-pad2_ 3_and
+* u17 net-_u12-pad3_ net-_u13-pad3_ net-_u17-pad3_ d_and
+x4 net-_u10-pad1_ net-_u11-pad3_ net-_u12-pad1_ net-_u27-pad2_ 3_and
+x5 net-_u10-pad3_ net-_u11-pad1_ net-_u12-pad1_ net-_u24-pad1_ 3_and
+x6 net-_u10-pad1_ net-_u11-pad1_ net-_u12-pad3_ net-_u24-pad2_ 3_and
+x7 net-_u10-pad3_ net-_u11-pad3_ net-_u12-pad3_ net-_u37-pad2_ 3_and
+* u21 net-_u10-pad3_ net-_u21-pad2_ d_buffer
+* u18 net-_u11-pad1_ net-_u12-pad3_ net-_u18-pad3_ d_and
+* u19 net-_u10-pad3_ net-_u11-pad3_ net-_u19-pad3_ d_and
+* u20 net-_u11-pad3_ net-_u12-pad1_ net-_u20-pad3_ d_and
+x8 net-_u10-pad3_ net-_u12-pad1_ net-_u13-pad1_ net-_u38-pad2_ 3_and
+x9 net-_u10-pad3_ net-_u11-pad3_ net-_u12-pad3_ net-_u28-pad1_ 3_and
+x11 net-_u11-pad1_ net-_u12-pad1_ net-_u13-pad1_ net-_u1-pad6_ net-_u28-pad2_ 4_and
+* u27 net-_u17-pad3_ net-_u27-pad2_ net-_u27-pad3_ d_nor
+* u26 net-_u21-pad2_ net-_u18-pad3_ net-_u26-pad3_ d_nor
+* u28 net-_u28-pad1_ net-_u28-pad2_ net-_u28-pad3_ d_nor
+* u22 net-_u14-pad3_ net-_u15-pad3_ net-_u22-pad3_ d_nor
+* u29 net-_u22-pad3_ net-_u22-pad3_ net-_u29-pad3_ d_nor
+* u35 net-_u29-pad3_ ? net-_u35-pad3_ d_nor
+* u23 net-_u16-pad3_ net-_u23-pad2_ net-_u23-pad3_ d_nor
+* u30 net-_u23-pad3_ net-_u23-pad3_ net-_u30-pad3_ d_nor
+* u36 net-_u30-pad3_ net-_u36-pad2_ net-_u36-pad3_ d_nor
+* u24 net-_u24-pad1_ net-_u24-pad2_ net-_u24-pad3_ d_nor
+* u31 net-_u24-pad3_ net-_u24-pad3_ net-_u31-pad3_ d_nor
+* u37 net-_u31-pad3_ net-_u37-pad2_ net-_u37-pad3_ d_nor
+* u25 net-_u19-pad3_ net-_u20-pad3_ net-_u25-pad3_ d_nor
+* u32 net-_u25-pad3_ net-_u25-pad3_ net-_u32-pad3_ d_nor
+* u38 net-_u32-pad3_ net-_u38-pad2_ net-_u38-pad3_ d_nor
+* u33 net-_u33-pad1_ net-_u33-pad2_ net-_u1-pad5_ d_nand
+* u39 net-_u35-pad3_ net-_u1-pad8_ d_inverter
+* u40 net-_u36-pad3_ net-_u1-pad9_ d_inverter
+* u34 net-_u27-pad3_ net-_u1-pad10_ d_inverter
+* u41 net-_u37-pad3_ net-_u1-pad11_ d_inverter
+* u8 net-_u26-pad3_ net-_u1-pad12_ d_inverter
+* u42 net-_u38-pad3_ net-_u1-pad13_ d_inverter
+* u7 net-_u28-pad3_ net-_u1-pad14_ d_inverter
+a1 [net-_u1-pad1_ net-_u1-pad6_ ] net-_u10-pad1_ u3
+a2 [net-_u1-pad2_ net-_u1-pad6_ ] net-_u11-pad1_ u4
+a3 [net-_u1-pad3_ net-_u1-pad6_ ] net-_u12-pad1_ u5
+a4 net-_u1-pad4_ net-_u13-pad1_ u2
+a5 net-_u1-pad7_ net-_u6-pad2_ u6
+a6 [net-_u13-pad1_ net-_u10-pad1_ ] net-_u33-pad2_ u9
+a7 [net-_u10-pad1_ net-_u1-pad5_ ] net-_u10-pad3_ u10
+a8 [net-_u11-pad1_ net-_u1-pad5_ ] net-_u11-pad3_ u11
+a9 [net-_u12-pad1_ net-_u1-pad5_ ] net-_u12-pad3_ u12
+a10 [net-_u13-pad1_ net-_u1-pad5_ ] net-_u13-pad3_ u13
+a11 [net-_u11-pad3_ net-_u13-pad3_ ] net-_u14-pad3_ u14
+a12 [net-_u10-pad1_ net-_u12-pad3_ ] net-_u15-pad3_ u15
+a13 [net-_u11-pad3_ net-_u13-pad3_ ] net-_u16-pad3_ u16
+a14 [net-_u12-pad3_ net-_u13-pad3_ ] net-_u17-pad3_ u17
+a15 net-_u10-pad3_ net-_u21-pad2_ u21
+a16 [net-_u11-pad1_ net-_u12-pad3_ ] net-_u18-pad3_ u18
+a17 [net-_u10-pad3_ net-_u11-pad3_ ] net-_u19-pad3_ u19
+a18 [net-_u11-pad3_ net-_u12-pad1_ ] net-_u20-pad3_ u20
+a19 [net-_u17-pad3_ net-_u27-pad2_ ] net-_u27-pad3_ u27
+a20 [net-_u21-pad2_ net-_u18-pad3_ ] net-_u26-pad3_ u26
+a21 [net-_u28-pad1_ net-_u28-pad2_ ] net-_u28-pad3_ u28
+a22 [net-_u14-pad3_ net-_u15-pad3_ ] net-_u22-pad3_ u22
+a23 [net-_u22-pad3_ net-_u22-pad3_ ] net-_u29-pad3_ u29
+a24 [net-_u29-pad3_ ? ] net-_u35-pad3_ u35
+a25 [net-_u16-pad3_ net-_u23-pad2_ ] net-_u23-pad3_ u23
+a26 [net-_u23-pad3_ net-_u23-pad3_ ] net-_u30-pad3_ u30
+a27 [net-_u30-pad3_ net-_u36-pad2_ ] net-_u36-pad3_ u36
+a28 [net-_u24-pad1_ net-_u24-pad2_ ] net-_u24-pad3_ u24
+a29 [net-_u24-pad3_ net-_u24-pad3_ ] net-_u31-pad3_ u31
+a30 [net-_u31-pad3_ net-_u37-pad2_ ] net-_u37-pad3_ u37
+a31 [net-_u19-pad3_ net-_u20-pad3_ ] net-_u25-pad3_ u25
+a32 [net-_u25-pad3_ net-_u25-pad3_ ] net-_u32-pad3_ u32
+a33 [net-_u32-pad3_ net-_u38-pad2_ ] net-_u38-pad3_ u38
+a34 [net-_u33-pad1_ net-_u33-pad2_ ] net-_u1-pad5_ u33
+a35 net-_u35-pad3_ net-_u1-pad8_ u39
+a36 net-_u36-pad3_ net-_u1-pad9_ u40
+a37 net-_u27-pad3_ net-_u1-pad10_ u34
+a38 net-_u37-pad3_ net-_u1-pad11_ u41
+a39 net-_u26-pad3_ net-_u1-pad12_ u8
+a40 net-_u38-pad3_ net-_u1-pad13_ u42
+a41 net-_u28-pad3_ net-_u1-pad14_ u7
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u9 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u10 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u11 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u12 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u13 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u14 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u15 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u17 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_buffer, NgSpice Name: d_buffer
+.model u21 d_buffer(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u18 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u19 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u20 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u27 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u26 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u28 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u22 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u29 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u35 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u23 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u30 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u36 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u24 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u31 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u37 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u25 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u32 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u38 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u33 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u39 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u40 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u34 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u41 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u42 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 7447 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/DM7447A/7447_Previous_Values.xml b/library/SubcircuitLibrary/DM7447A/7447_Previous_Values.xml
new file mode 100644
index 00000000..6a315fdb
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/7447_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u3 name="type">d_nand<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_nand<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_nand<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u5><u2 name="type">d_inverter<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u2><u6 name="type">d_inverter<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u6><u9 name="type">d_and<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u9><u8 name="type">d_and<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u8><u7 name="type">d_inverter<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u7><u10 name="type">d_nand<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u10><u11 name="type">d_nand<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u11><u12 name="type">d_nand<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u12><u13 name="type">d_nand<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u13><u14 name="type">d_and<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u14><u15 name="type">d_and<field40 name="Enter Rise Delay (default=1.0e-9)" /><field41 name="Enter Fall Delay (default=1.0e-9)" /><field42 name="Enter Input Load (default=1.0e-12)" /></u15><u16 name="type">d_and<field43 name="Enter Rise Delay (default=1.0e-9)" /><field44 name="Enter Fall Delay (default=1.0e-9)" /><field45 name="Enter Input Load (default=1.0e-12)" /></u16><u17 name="type">d_and<field46 name="Enter Rise Delay (default=1.0e-9)" /><field47 name="Enter Fall Delay (default=1.0e-9)" /><field48 name="Enter Input Load (default=1.0e-12)" /></u17><u21 name="type">d_buffer<field49 name="Enter Rise Delay (default=1.0e-9)" /><field50 name="Enter Fall Delay (default=1.0e-9)" /><field51 name="Enter Input Load (default=1.0e-12)" /></u21><u18 name="type">d_and<field52 name="Enter Rise Delay (default=1.0e-9)" /><field53 name="Enter Fall Delay (default=1.0e-9)" /><field54 name="Enter Input Load (default=1.0e-12)" /></u18><u19 name="type">d_and<field55 name="Enter Rise Delay (default=1.0e-9)" /><field56 name="Enter Fall Delay (default=1.0e-9)" /><field57 name="Enter Input Load (default=1.0e-12)" /></u19><u20 name="type">d_and<field58 name="Enter Rise Delay (default=1.0e-9)" /><field59 name="Enter Fall Delay (default=1.0e-9)" /><field60 name="Enter Input Load (default=1.0e-12)" /></u20><u27 name="type">d_nor<field61 name="Enter Rise Delay (default=1.0e-9)" /><field62 name="Enter Fall Delay (default=1.0e-9)" /><field63 name="Enter Input Load (default=1.0e-12)" /></u27><u26 name="type">d_nor<field64 name="Enter Rise Delay (default=1.0e-9)" /><field65 name="Enter Fall Delay (default=1.0e-9)" /><field66 name="Enter Input Load (default=1.0e-12)" /></u26><u28 name="type">d_nor<field67 name="Enter Rise Delay (default=1.0e-9)" /><field68 name="Enter Fall Delay (default=1.0e-9)" /><field69 name="Enter Input Load (default=1.0e-12)" /></u28><u39 name="type">d_inverter<field70 name="Enter Rise Delay (default=1.0e-9)" /><field71 name="Enter Fall Delay (default=1.0e-9)" /><field72 name="Enter Input Load (default=1.0e-12)" /></u39><u34 name="type">d_inverter<field73 name="Enter Rise Delay (default=1.0e-9)" /><field74 name="Enter Fall Delay (default=1.0e-9)" /><field75 name="Enter Input Load (default=1.0e-12)" /></u34><u33 name="type">d_inverter<field76 name="Enter Rise Delay (default=1.0e-9)" /><field77 name="Enter Fall Delay (default=1.0e-9)" /><field78 name="Enter Input Load (default=1.0e-12)" /></u33><u22 name="type">d_nor<field79 name="Enter Rise Delay (default=1.0e-9)" /><field80 name="Enter Fall Delay (default=1.0e-9)" /><field81 name="Enter Input Load (default=1.0e-12)" /></u22><u29 name="type">d_nor<field82 name="Enter Rise Delay (default=1.0e-9)" /><field83 name="Enter Fall Delay (default=1.0e-9)" /><field84 name="Enter Input Load (default=1.0e-12)" /></u29><u35 name="type">d_nor<field85 name="Enter Rise Delay (default=1.0e-9)" /><field86 name="Enter Fall Delay (default=1.0e-9)" /><field87 name="Enter Input Load (default=1.0e-12)" /></u35><u40 name="type">d_inverter<field88 name="Enter Rise Delay (default=1.0e-9)" /><field89 name="Enter Fall Delay (default=1.0e-9)" /><field90 name="Enter Input Load (default=1.0e-12)" /></u40><u23 name="type">d_nor<field91 name="Enter Rise Delay (default=1.0e-9)" /><field92 name="Enter Fall Delay (default=1.0e-9)" /><field93 name="Enter Input Load (default=1.0e-12)" /></u23><u30 name="type">d_nor<field94 name="Enter Rise Delay (default=1.0e-9)" /><field95 name="Enter Fall Delay (default=1.0e-9)" /><field96 name="Enter Input Load (default=1.0e-12)" /></u30><u36 name="type">d_nor<field97 name="Enter Rise Delay (default=1.0e-9)" /><field98 name="Enter Fall Delay (default=1.0e-9)" /><field99 name="Enter Input Load (default=1.0e-12)" /></u36><u41 name="type">d_inverter<field100 name="Enter Rise Delay (default=1.0e-9)" /><field101 name="Enter Fall Delay (default=1.0e-9)" /><field102 name="Enter Input Load (default=1.0e-12)" /></u41><u24 name="type">d_nor<field103 name="Enter Rise Delay (default=1.0e-9)" /><field104 name="Enter Fall Delay (default=1.0e-9)" /><field105 name="Enter Input Load (default=1.0e-12)" /></u24><u31 name="type">d_nor<field106 name="Enter Rise Delay (default=1.0e-9)" /><field107 name="Enter Fall Delay (default=1.0e-9)" /><field108 name="Enter Input Load (default=1.0e-12)" /></u31><u37 name="type">d_nor<field109 name="Enter Rise Delay (default=1.0e-9)" /><field110 name="Enter Fall Delay (default=1.0e-9)" /><field111 name="Enter Input Load (default=1.0e-12)" /></u37><u42 name="type">d_inverter<field112 name="Enter Rise Delay (default=1.0e-9)" /><field113 name="Enter Fall Delay (default=1.0e-9)" /><field114 name="Enter Input Load (default=1.0e-12)" /></u42><u25 name="type">d_nor<field115 name="Enter Rise Delay (default=1.0e-9)" /><field116 name="Enter Fall Delay (default=1.0e-9)" /><field117 name="Enter Input Load (default=1.0e-12)" /></u25><u32 name="type">d_nor<field118 name="Enter Rise Delay (default=1.0e-9)" /><field119 name="Enter Fall Delay (default=1.0e-9)" /><field120 name="Enter Input Load (default=1.0e-12)" /></u32><u38 name="type">d_nor<field121 name="Enter Rise Delay (default=1.0e-9)" /><field122 name="Enter Fall Delay (default=1.0e-9)" /><field123 name="Enter Input Load (default=1.0e-12)" /></u38><u43 name="type">d_inverter<field124 name="Enter Rise Delay (default=1.0e-9)" /><field125 name="Enter Fall Delay (default=1.0e-9)" /><field126 name="Enter Input Load (default=1.0e-12)" /></u43><u8 name="type">d_nand<field106 name="Enter Rise Delay (default=1.0e-9)" /><field107 name="Enter Fall Delay (default=1.0e-9)" /><field108 name="Enter Input Load (default=1.0e-12)" /></u8><u39 name="type">d_buffer<field106 name="Enter Rise Delay (default=1.0e-9)" /><field107 name="Enter Fall Delay (default=1.0e-9)" /><field108 name="Enter Input Load (default=1.0e-12)" /></u39><u33 name="type">d_buffer<field112 name="Enter Rise Delay (default=1.0e-9)" /><field113 name="Enter Fall Delay (default=1.0e-9)" /><field114 name="Enter Input Load (default=1.0e-12)" /></u33><u33 name="type">d_nand<field103 name="Enter Rise Delay (default=1.0e-9)" /><field104 name="Enter Fall Delay (default=1.0e-9)" /><field105 name="Enter Input Load (default=1.0e-12)" /></u33><u8 name="type">d_inverter<field106 name="Enter Rise Delay (default=1.0e-9)" /><field107 name="Enter Fall Delay (default=1.0e-9)" /><field108 name="Enter Input Load (default=1.0e-12)" /></u8></model><devicemodel /><subcircuit><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x1><x10><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x10><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x2><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x3><x4><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x4><x5><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x5><x6><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x6><x7><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x7><x8><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x8><x9><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x9><x11><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x11></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/DM7447A/analysis b/library/SubcircuitLibrary/DM7447A/analysis
new file mode 100644
index 00000000..9b724012
--- /dev/null
+++ b/library/SubcircuitLibrary/DM7447A/analysis
@@ -0,0 +1 @@
+.tran 1e-03 20e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/HD74HC149/74149.cir b/library/SubcircuitLibrary/HD74HC149/74149.cir
new file mode 100644
index 00000000..c1bd662d
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/74149.cir
@@ -0,0 +1,52 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\74149\74149.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/12/25 14:03:04
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U2 Net-_U1-Pad9_ Net-_U14-Pad1_ d_inverter
+U3 Net-_U1-Pad8_ Net-_U11-Pad1_ d_inverter
+U4 Net-_U1-Pad7_ Net-_U12-Pad1_ d_inverter
+U5 Net-_U1-Pad6_ Net-_U13-Pad1_ d_inverter
+U6 Net-_U1-Pad5_ Net-_U15-Pad1_ d_inverter
+U7 Net-_U1-Pad4_ Net-_U16-Pad1_ d_inverter
+U8 Net-_U1-Pad3_ Net-_U19-Pad1_ d_inverter
+U9 Net-_U1-Pad2_ Net-_U17-Pad1_ d_inverter
+U10 Net-_U1-Pad1_ Net-_U10-Pad2_ d_inverter
+U14 Net-_U14-Pad1_ Net-_U14-Pad2_ d_inverter
+U11 Net-_U11-Pad1_ Net-_U11-Pad2_ d_inverter
+U13 Net-_U13-Pad1_ Net-_U13-Pad2_ d_inverter
+U15 Net-_U15-Pad1_ Net-_U15-Pad2_ d_inverter
+U16 Net-_U16-Pad1_ Net-_U16-Pad2_ d_inverter
+U19 Net-_U19-Pad1_ Net-_U19-Pad2_ d_inverter
+U17 Net-_U17-Pad1_ Net-_U17-Pad2_ d_inverter
+U18 Net-_U10-Pad2_ Net-_U18-Pad2_ d_inverter
+U20 Net-_U18-Pad2_ Net-_U20-Pad2_ d_inverter
+U21 Net-_U11-Pad1_ Net-_U14-Pad2_ Net-_U21-Pad3_ d_and
+U24 Net-_U14-Pad1_ Net-_U20-Pad2_ Net-_U1-Pad18_ d_nand
+U25 Net-_U21-Pad3_ Net-_U20-Pad2_ Net-_U1-Pad17_ d_nand
+X1 Net-_U12-Pad1_ Net-_U14-Pad2_ Net-_U11-Pad2_ Net-_U26-Pad1_ 3_and
+X2 Net-_U13-Pad1_ Net-_U14-Pad2_ Net-_U11-Pad2_ Net-_U12-Pad2_ Net-_U27-Pad1_ 4_and
+X3 Net-_U14-Pad2_ Net-_U11-Pad2_ Net-_U12-Pad2_ Net-_U13-Pad2_ Net-_U23-Pad1_ 4_and
+U26 Net-_U26-Pad1_ Net-_U20-Pad2_ Net-_U1-Pad16_ d_nand
+U12 Net-_U12-Pad1_ Net-_U12-Pad2_ d_inverter
+U27 Net-_U27-Pad1_ Net-_U20-Pad2_ Net-_U1-Pad15_ d_nand
+X7 Net-_U15-Pad1_ Net-_U23-Pad1_ Net-_U20-Pad2_ Net-_U29-Pad1_ 3_and
+U29 Net-_U29-Pad1_ Net-_U1-Pad14_ d_inverter
+U22 Net-_U16-Pad1_ Net-_U15-Pad2_ Net-_U22-Pad3_ d_and
+X4 Net-_U19-Pad1_ Net-_U15-Pad2_ Net-_U16-Pad2_ Net-_X4-Pad4_ 3_and
+X5 Net-_U17-Pad1_ Net-_U15-Pad2_ Net-_U16-Pad2_ Net-_U19-Pad2_ Net-_X10-Pad1_ 4_and
+X6 Net-_U15-Pad2_ Net-_U16-Pad2_ Net-_U19-Pad2_ Net-_U17-Pad2_ Net-_U23-Pad2_ 4_and
+X8 Net-_U22-Pad3_ Net-_U23-Pad1_ Net-_U20-Pad2_ Net-_U30-Pad1_ 3_and
+X9 Net-_X4-Pad4_ Net-_U23-Pad1_ Net-_U20-Pad2_ Net-_U31-Pad1_ 3_and
+X10 Net-_X10-Pad1_ Net-_U23-Pad1_ Net-_U20-Pad2_ Net-_U32-Pad1_ 3_and
+U28 Net-_U23-Pad3_ Net-_U20-Pad2_ Net-_U1-Pad10_ d_nand
+U30 Net-_U30-Pad1_ Net-_U1-Pad13_ d_inverter
+U31 Net-_U31-Pad1_ Net-_U1-Pad12_ d_inverter
+U32 Net-_U32-Pad1_ Net-_U1-Pad11_ d_inverter
+U23 Net-_U23-Pad1_ Net-_U23-Pad2_ Net-_U23-Pad3_ d_nand
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ Net-_U1-Pad15_ Net-_U1-Pad16_ Net-_U1-Pad17_ Net-_U1-Pad18_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/HD74HC149/74149.cir.out b/library/SubcircuitLibrary/HD74HC149/74149.cir.out
new file mode 100644
index 00000000..6b56ec63
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/74149.cir.out
@@ -0,0 +1,148 @@
+* c:\fossee\esim\library\subcircuitlibrary\74149\74149.cir
+
+.include 3_and.sub
+.include 4_and.sub
+* u2 net-_u1-pad9_ net-_u14-pad1_ d_inverter
+* u3 net-_u1-pad8_ net-_u11-pad1_ d_inverter
+* u4 net-_u1-pad7_ net-_u12-pad1_ d_inverter
+* u5 net-_u1-pad6_ net-_u13-pad1_ d_inverter
+* u6 net-_u1-pad5_ net-_u15-pad1_ d_inverter
+* u7 net-_u1-pad4_ net-_u16-pad1_ d_inverter
+* u8 net-_u1-pad3_ net-_u19-pad1_ d_inverter
+* u9 net-_u1-pad2_ net-_u17-pad1_ d_inverter
+* u10 net-_u1-pad1_ net-_u10-pad2_ d_inverter
+* u14 net-_u14-pad1_ net-_u14-pad2_ d_inverter
+* u11 net-_u11-pad1_ net-_u11-pad2_ d_inverter
+* u13 net-_u13-pad1_ net-_u13-pad2_ d_inverter
+* u15 net-_u15-pad1_ net-_u15-pad2_ d_inverter
+* u16 net-_u16-pad1_ net-_u16-pad2_ d_inverter
+* u19 net-_u19-pad1_ net-_u19-pad2_ d_inverter
+* u17 net-_u17-pad1_ net-_u17-pad2_ d_inverter
+* u18 net-_u10-pad2_ net-_u18-pad2_ d_inverter
+* u20 net-_u18-pad2_ net-_u20-pad2_ d_inverter
+* u21 net-_u11-pad1_ net-_u14-pad2_ net-_u21-pad3_ d_and
+* u24 net-_u14-pad1_ net-_u20-pad2_ net-_u1-pad18_ d_nand
+* u25 net-_u21-pad3_ net-_u20-pad2_ net-_u1-pad17_ d_nand
+x1 net-_u12-pad1_ net-_u14-pad2_ net-_u11-pad2_ net-_u26-pad1_ 3_and
+x2 net-_u13-pad1_ net-_u14-pad2_ net-_u11-pad2_ net-_u12-pad2_ net-_u27-pad1_ 4_and
+x3 net-_u14-pad2_ net-_u11-pad2_ net-_u12-pad2_ net-_u13-pad2_ net-_u23-pad1_ 4_and
+* u26 net-_u26-pad1_ net-_u20-pad2_ net-_u1-pad16_ d_nand
+* u12 net-_u12-pad1_ net-_u12-pad2_ d_inverter
+* u27 net-_u27-pad1_ net-_u20-pad2_ net-_u1-pad15_ d_nand
+x7 net-_u15-pad1_ net-_u23-pad1_ net-_u20-pad2_ net-_u29-pad1_ 3_and
+* u29 net-_u29-pad1_ net-_u1-pad14_ d_inverter
+* u22 net-_u16-pad1_ net-_u15-pad2_ net-_u22-pad3_ d_and
+x4 net-_u19-pad1_ net-_u15-pad2_ net-_u16-pad2_ net-_x4-pad4_ 3_and
+x5 net-_u17-pad1_ net-_u15-pad2_ net-_u16-pad2_ net-_u19-pad2_ net-_x10-pad1_ 4_and
+x6 net-_u15-pad2_ net-_u16-pad2_ net-_u19-pad2_ net-_u17-pad2_ net-_u23-pad2_ 4_and
+x8 net-_u22-pad3_ net-_u23-pad1_ net-_u20-pad2_ net-_u30-pad1_ 3_and
+x9 net-_x4-pad4_ net-_u23-pad1_ net-_u20-pad2_ net-_u31-pad1_ 3_and
+x10 net-_x10-pad1_ net-_u23-pad1_ net-_u20-pad2_ net-_u32-pad1_ 3_and
+* u28 net-_u23-pad3_ net-_u20-pad2_ net-_u1-pad10_ d_nand
+* u30 net-_u30-pad1_ net-_u1-pad13_ d_inverter
+* u31 net-_u31-pad1_ net-_u1-pad12_ d_inverter
+* u32 net-_u32-pad1_ net-_u1-pad11_ d_inverter
+* u23 net-_u23-pad1_ net-_u23-pad2_ net-_u23-pad3_ d_nand
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_u1-pad17_ net-_u1-pad18_ port
+a1 net-_u1-pad9_ net-_u14-pad1_ u2
+a2 net-_u1-pad8_ net-_u11-pad1_ u3
+a3 net-_u1-pad7_ net-_u12-pad1_ u4
+a4 net-_u1-pad6_ net-_u13-pad1_ u5
+a5 net-_u1-pad5_ net-_u15-pad1_ u6
+a6 net-_u1-pad4_ net-_u16-pad1_ u7
+a7 net-_u1-pad3_ net-_u19-pad1_ u8
+a8 net-_u1-pad2_ net-_u17-pad1_ u9
+a9 net-_u1-pad1_ net-_u10-pad2_ u10
+a10 net-_u14-pad1_ net-_u14-pad2_ u14
+a11 net-_u11-pad1_ net-_u11-pad2_ u11
+a12 net-_u13-pad1_ net-_u13-pad2_ u13
+a13 net-_u15-pad1_ net-_u15-pad2_ u15
+a14 net-_u16-pad1_ net-_u16-pad2_ u16
+a15 net-_u19-pad1_ net-_u19-pad2_ u19
+a16 net-_u17-pad1_ net-_u17-pad2_ u17
+a17 net-_u10-pad2_ net-_u18-pad2_ u18
+a18 net-_u18-pad2_ net-_u20-pad2_ u20
+a19 [net-_u11-pad1_ net-_u14-pad2_ ] net-_u21-pad3_ u21
+a20 [net-_u14-pad1_ net-_u20-pad2_ ] net-_u1-pad18_ u24
+a21 [net-_u21-pad3_ net-_u20-pad2_ ] net-_u1-pad17_ u25
+a22 [net-_u26-pad1_ net-_u20-pad2_ ] net-_u1-pad16_ u26
+a23 net-_u12-pad1_ net-_u12-pad2_ u12
+a24 [net-_u27-pad1_ net-_u20-pad2_ ] net-_u1-pad15_ u27
+a25 net-_u29-pad1_ net-_u1-pad14_ u29
+a26 [net-_u16-pad1_ net-_u15-pad2_ ] net-_u22-pad3_ u22
+a27 [net-_u23-pad3_ net-_u20-pad2_ ] net-_u1-pad10_ u28
+a28 net-_u30-pad1_ net-_u1-pad13_ u30
+a29 net-_u31-pad1_ net-_u1-pad12_ u31
+a30 net-_u32-pad1_ net-_u1-pad11_ u32
+a31 [net-_u23-pad1_ net-_u23-pad2_ ] net-_u23-pad3_ u23
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u5 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u9 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u10 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u14 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u11 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u13 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u15 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u16 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u19 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u17 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u18 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u20 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u21 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u24 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u25 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u26 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u12 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u27 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u29 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u22 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u28 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u30 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u31 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u32 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u23 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/HD74HC149/74149.pro b/library/SubcircuitLibrary/HD74HC149/74149.pro
new file mode 100644
index 00000000..1ae53d0a
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/74149.pro
@@ -0,0 +1,83 @@
+update=05/12/25 17:39:01
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/HD74HC149/74149.sch b/library/SubcircuitLibrary/HD74HC149/74149.sch
new file mode 100644
index 00000000..762be4ab
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/74149.sch
@@ -0,0 +1,1012 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+LIBS:74149-cache
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+$Comp
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+$Comp
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+$Comp
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+$Comp
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+$EndComp
+$Comp
+L d_inverter U31
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+$EndComp
+$Comp
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+F 1 "PORT" H 1500 5650 30 0000 C CNN
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+ 2 1500 5100
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 2 "" H 1500 4700 60 0000 C CNN
+F 3 "" H 1500 4700 60 0000 C CNN
+ 3 1500 4700
+ 1 0 0 -1
+$EndComp
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+ 4 1500 4300
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+$EndComp
+$Comp
+L PORT U1
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+$EndComp
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+F 3 "" H 1500 2600 60 0000 C CNN
+ 6 1500 2600
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 3 "" H 1500 2200 60 0000 C CNN
+ 7 1500 2200
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 3 "" H 1500 1800 60 0000 C CNN
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+$EndComp
+$Comp
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+F 3 "" H 1500 1000 60 0000 C CNN
+ 9 1500 1000
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
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+F 2 "" H 9300 5500 60 0000 C CNN
+F 3 "" H 9300 5500 60 0000 C CNN
+ 10 9300 5500
+ -1 0 0 1
+$EndComp
+$Comp
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+F 3 "" H 9300 5100 60 0000 C CNN
+ 11 9300 5100
+ -1 0 0 1
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+F 3 "" H 9300 4700 60 0000 C CNN
+ 12 9300 4700
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+$EndComp
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+F 3 "" H 9300 900 60 0000 C CNN
+ 18 9300 900
+ -1 0 0 1
+$EndComp
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+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/HD74HC149/74149.sub b/library/SubcircuitLibrary/HD74HC149/74149.sub
new file mode 100644
index 00000000..8de8694c
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/74149.sub
@@ -0,0 +1,142 @@
+* Subcircuit 74149
+.subckt 74149 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_u1-pad17_ net-_u1-pad18_
+* c:\fossee\esim\library\subcircuitlibrary\74149\74149.cir
+.include 3_and.sub
+.include 4_and.sub
+* u2 net-_u1-pad9_ net-_u14-pad1_ d_inverter
+* u3 net-_u1-pad8_ net-_u11-pad1_ d_inverter
+* u4 net-_u1-pad7_ net-_u12-pad1_ d_inverter
+* u5 net-_u1-pad6_ net-_u13-pad1_ d_inverter
+* u6 net-_u1-pad5_ net-_u15-pad1_ d_inverter
+* u7 net-_u1-pad4_ net-_u16-pad1_ d_inverter
+* u8 net-_u1-pad3_ net-_u19-pad1_ d_inverter
+* u9 net-_u1-pad2_ net-_u17-pad1_ d_inverter
+* u10 net-_u1-pad1_ net-_u10-pad2_ d_inverter
+* u14 net-_u14-pad1_ net-_u14-pad2_ d_inverter
+* u11 net-_u11-pad1_ net-_u11-pad2_ d_inverter
+* u13 net-_u13-pad1_ net-_u13-pad2_ d_inverter
+* u15 net-_u15-pad1_ net-_u15-pad2_ d_inverter
+* u16 net-_u16-pad1_ net-_u16-pad2_ d_inverter
+* u19 net-_u19-pad1_ net-_u19-pad2_ d_inverter
+* u17 net-_u17-pad1_ net-_u17-pad2_ d_inverter
+* u18 net-_u10-pad2_ net-_u18-pad2_ d_inverter
+* u20 net-_u18-pad2_ net-_u20-pad2_ d_inverter
+* u21 net-_u11-pad1_ net-_u14-pad2_ net-_u21-pad3_ d_and
+* u24 net-_u14-pad1_ net-_u20-pad2_ net-_u1-pad18_ d_nand
+* u25 net-_u21-pad3_ net-_u20-pad2_ net-_u1-pad17_ d_nand
+x1 net-_u12-pad1_ net-_u14-pad2_ net-_u11-pad2_ net-_u26-pad1_ 3_and
+x2 net-_u13-pad1_ net-_u14-pad2_ net-_u11-pad2_ net-_u12-pad2_ net-_u27-pad1_ 4_and
+x3 net-_u14-pad2_ net-_u11-pad2_ net-_u12-pad2_ net-_u13-pad2_ net-_u23-pad1_ 4_and
+* u26 net-_u26-pad1_ net-_u20-pad2_ net-_u1-pad16_ d_nand
+* u12 net-_u12-pad1_ net-_u12-pad2_ d_inverter
+* u27 net-_u27-pad1_ net-_u20-pad2_ net-_u1-pad15_ d_nand
+x7 net-_u15-pad1_ net-_u23-pad1_ net-_u20-pad2_ net-_u29-pad1_ 3_and
+* u29 net-_u29-pad1_ net-_u1-pad14_ d_inverter
+* u22 net-_u16-pad1_ net-_u15-pad2_ net-_u22-pad3_ d_and
+x4 net-_u19-pad1_ net-_u15-pad2_ net-_u16-pad2_ net-_x4-pad4_ 3_and
+x5 net-_u17-pad1_ net-_u15-pad2_ net-_u16-pad2_ net-_u19-pad2_ net-_x10-pad1_ 4_and
+x6 net-_u15-pad2_ net-_u16-pad2_ net-_u19-pad2_ net-_u17-pad2_ net-_u23-pad2_ 4_and
+x8 net-_u22-pad3_ net-_u23-pad1_ net-_u20-pad2_ net-_u30-pad1_ 3_and
+x9 net-_x4-pad4_ net-_u23-pad1_ net-_u20-pad2_ net-_u31-pad1_ 3_and
+x10 net-_x10-pad1_ net-_u23-pad1_ net-_u20-pad2_ net-_u32-pad1_ 3_and
+* u28 net-_u23-pad3_ net-_u20-pad2_ net-_u1-pad10_ d_nand
+* u30 net-_u30-pad1_ net-_u1-pad13_ d_inverter
+* u31 net-_u31-pad1_ net-_u1-pad12_ d_inverter
+* u32 net-_u32-pad1_ net-_u1-pad11_ d_inverter
+* u23 net-_u23-pad1_ net-_u23-pad2_ net-_u23-pad3_ d_nand
+a1 net-_u1-pad9_ net-_u14-pad1_ u2
+a2 net-_u1-pad8_ net-_u11-pad1_ u3
+a3 net-_u1-pad7_ net-_u12-pad1_ u4
+a4 net-_u1-pad6_ net-_u13-pad1_ u5
+a5 net-_u1-pad5_ net-_u15-pad1_ u6
+a6 net-_u1-pad4_ net-_u16-pad1_ u7
+a7 net-_u1-pad3_ net-_u19-pad1_ u8
+a8 net-_u1-pad2_ net-_u17-pad1_ u9
+a9 net-_u1-pad1_ net-_u10-pad2_ u10
+a10 net-_u14-pad1_ net-_u14-pad2_ u14
+a11 net-_u11-pad1_ net-_u11-pad2_ u11
+a12 net-_u13-pad1_ net-_u13-pad2_ u13
+a13 net-_u15-pad1_ net-_u15-pad2_ u15
+a14 net-_u16-pad1_ net-_u16-pad2_ u16
+a15 net-_u19-pad1_ net-_u19-pad2_ u19
+a16 net-_u17-pad1_ net-_u17-pad2_ u17
+a17 net-_u10-pad2_ net-_u18-pad2_ u18
+a18 net-_u18-pad2_ net-_u20-pad2_ u20
+a19 [net-_u11-pad1_ net-_u14-pad2_ ] net-_u21-pad3_ u21
+a20 [net-_u14-pad1_ net-_u20-pad2_ ] net-_u1-pad18_ u24
+a21 [net-_u21-pad3_ net-_u20-pad2_ ] net-_u1-pad17_ u25
+a22 [net-_u26-pad1_ net-_u20-pad2_ ] net-_u1-pad16_ u26
+a23 net-_u12-pad1_ net-_u12-pad2_ u12
+a24 [net-_u27-pad1_ net-_u20-pad2_ ] net-_u1-pad15_ u27
+a25 net-_u29-pad1_ net-_u1-pad14_ u29
+a26 [net-_u16-pad1_ net-_u15-pad2_ ] net-_u22-pad3_ u22
+a27 [net-_u23-pad3_ net-_u20-pad2_ ] net-_u1-pad10_ u28
+a28 net-_u30-pad1_ net-_u1-pad13_ u30
+a29 net-_u31-pad1_ net-_u1-pad12_ u31
+a30 net-_u32-pad1_ net-_u1-pad11_ u32
+a31 [net-_u23-pad1_ net-_u23-pad2_ ] net-_u23-pad3_ u23
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u5 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u9 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u10 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u14 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u11 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u13 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u15 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u16 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u19 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u17 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u18 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u20 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u21 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u24 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u25 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u26 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u12 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u27 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u29 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u22 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u28 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u30 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u31 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u32 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u23 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74149 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/HD74HC149/74149_Previous_Values.xml b/library/SubcircuitLibrary/HD74HC149/74149_Previous_Values.xml
new file mode 100644
index 00000000..1279b07e
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/74149_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_inverter<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u2><u3 name="type">d_inverter<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_inverter<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_inverter<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u5><u6 name="type">d_inverter<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_inverter<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_inverter<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_inverter<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u9><u10 name="type">d_inverter<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u10><u14 name="type">d_inverter<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u14><u11 name="type">d_inverter<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u11><u13 name="type">d_inverter<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u13><u15 name="type">d_inverter<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u15><u16 name="type">d_inverter<field40 name="Enter Rise Delay (default=1.0e-9)" /><field41 name="Enter Fall Delay (default=1.0e-9)" /><field42 name="Enter Input Load (default=1.0e-12)" /></u16><u19 name="type">d_inverter<field43 name="Enter Rise Delay (default=1.0e-9)" /><field44 name="Enter Fall Delay (default=1.0e-9)" /><field45 name="Enter Input Load (default=1.0e-12)" /></u19><u17 name="type">d_inverter<field46 name="Enter Rise Delay (default=1.0e-9)" /><field47 name="Enter Fall Delay (default=1.0e-9)" /><field48 name="Enter Input Load (default=1.0e-12)" /></u17><u18 name="type">d_inverter<field49 name="Enter Rise Delay (default=1.0e-9)" /><field50 name="Enter Fall Delay (default=1.0e-9)" /><field51 name="Enter Input Load (default=1.0e-12)" /></u18><u20 name="type">d_inverter<field52 name="Enter Rise Delay (default=1.0e-9)" /><field53 name="Enter Fall Delay (default=1.0e-9)" /><field54 name="Enter Input Load (default=1.0e-12)" /></u20><u21 name="type">d_and<field55 name="Enter Rise Delay (default=1.0e-9)" /><field56 name="Enter Fall Delay (default=1.0e-9)" /><field57 name="Enter Input Load (default=1.0e-12)" /></u21><u24 name="type">d_nand<field58 name="Enter Rise Delay (default=1.0e-9)" /><field59 name="Enter Fall Delay (default=1.0e-9)" /><field60 name="Enter Input Load (default=1.0e-12)" /></u24><u25 name="type">d_nand<field61 name="Enter Rise Delay (default=1.0e-9)" /><field62 name="Enter Fall Delay (default=1.0e-9)" /><field63 name="Enter Input Load (default=1.0e-12)" /></u25><u26 name="type">d_nand<field64 name="Enter Rise Delay (default=1.0e-9)" /><field65 name="Enter Fall Delay (default=1.0e-9)" /><field66 name="Enter Input Load (default=1.0e-12)" /></u26><u12 name="type">d_inverter<field67 name="Enter Rise Delay (default=1.0e-9)" /><field68 name="Enter Fall Delay (default=1.0e-9)" /><field69 name="Enter Input Load (default=1.0e-12)" /></u12><u27 name="type">d_nand<field70 name="Enter Rise Delay (default=1.0e-9)" /><field71 name="Enter Fall Delay (default=1.0e-9)" /><field72 name="Enter Input Load (default=1.0e-12)" /></u27><u29 name="type">d_inverter<field73 name="Enter Rise Delay (default=1.0e-9)" /><field74 name="Enter Fall Delay (default=1.0e-9)" /><field75 name="Enter Input Load (default=1.0e-12)" /></u29><u22 name="type">d_and<field76 name="Enter Rise Delay (default=1.0e-9)" /><field77 name="Enter Fall Delay (default=1.0e-9)" /><field78 name="Enter Input Load (default=1.0e-12)" /></u22><u28 name="type">d_nand<field79 name="Enter Rise Delay (default=1.0e-9)" /><field80 name="Enter Fall Delay (default=1.0e-9)" /><field81 name="Enter Input Load (default=1.0e-12)" /></u28><u30 name="type">d_inverter<field82 name="Enter Rise Delay (default=1.0e-9)" /><field83 name="Enter Fall Delay (default=1.0e-9)" /><field84 name="Enter Input Load (default=1.0e-12)" /></u30><u31 name="type">d_inverter<field85 name="Enter Rise Delay (default=1.0e-9)" /><field86 name="Enter Fall Delay (default=1.0e-9)" /><field87 name="Enter Input Load (default=1.0e-12)" /></u31><u32 name="type">d_inverter<field88 name="Enter Rise Delay (default=1.0e-9)" /><field89 name="Enter Fall Delay (default=1.0e-9)" /><field90 name="Enter Input Load (default=1.0e-12)" /></u32><u23 name="type">d_nand<field91 name="Enter Rise Delay (default=1.0e-9)" /><field92 name="Enter Fall Delay (default=1.0e-9)" /><field93 name="Enter Input Load (default=1.0e-12)" /></u23></model><devicemodel /><subcircuit><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x2><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x3><x7><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x7><x4><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x4><x5><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x5><x6><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x6><x8><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x8><x9><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x9><x10><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x10></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/HD74HC149/analysis b/library/SubcircuitLibrary/HD74HC149/analysis
new file mode 100644
index 00000000..5c9b0b46
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74HC149/analysis
@@ -0,0 +1 @@
+.tran 10e-03 20e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/HD74LS139/74139-cache.lib b/library/SubcircuitLibrary/HD74LS139/74139-cache.lib
new file mode 100644
index 00000000..ca3dbb87
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139-cache.lib
@@ -0,0 +1,76 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 3_and
+#
+DEF 3_and X 0 40 Y Y 1 F N
+F0 "X" 100 -50 60 H V C CNN
+F1 "3_and" 150 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 150 50 158 716 -716 0 1 0 N 200 200 200 -100
+P 2 0 1 0 -150 200 200 200 N
+P 3 0 1 0 -150 200 -150 -100 200 -100 N
+X in1 1 -350 150 200 R 50 50 1 1 I
+X in2 2 -350 50 200 R 50 50 1 1 I
+X in3 3 -350 -50 200 R 50 50 1 1 I
+X out 4 500 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/HD74LS139/74139.cir b/library/SubcircuitLibrary/HD74LS139/74139.cir
new file mode 100644
index 00000000..4df10d23
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139.cir
@@ -0,0 +1,37 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\74139\74139.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/21/25 11:14:27
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+X5 Net-_U3-Pad2_ Net-_U4-Pad2_ Net-_U2-Pad2_ Net-_U13-Pad1_ 3_and
+U13 Net-_U13-Pad1_ Net-_U1-Pad7_ d_inverter
+X6 Net-_U2-Pad2_ Net-_U4-Pad2_ Net-_U5-Pad2_ Net-_U14-Pad1_ 3_and
+U14 Net-_U14-Pad1_ Net-_U1-Pad8_ d_inverter
+X7 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U6-Pad2_ Net-_U18-Pad1_ 3_and
+U18 Net-_U18-Pad1_ Net-_U1-Pad9_ d_inverter
+X8 Net-_U2-Pad2_ Net-_U5-Pad2_ Net-_U6-Pad2_ Net-_U15-Pad1_ 3_and
+U15 Net-_U15-Pad1_ Net-_U1-Pad10_ d_inverter
+X1 Net-_U11-Pad1_ Net-_U10-Pad1_ Net-_U7-Pad2_ Net-_U19-Pad1_ 3_and
+U19 Net-_U19-Pad1_ Net-_U1-Pad11_ d_inverter
+X2 Net-_U7-Pad2_ Net-_U10-Pad1_ Net-_U11-Pad2_ Net-_U16-Pad1_ 3_and
+U16 Net-_U16-Pad1_ Net-_U1-Pad12_ d_inverter
+X3 Net-_U7-Pad2_ Net-_U11-Pad1_ Net-_U10-Pad2_ Net-_U17-Pad1_ 3_and
+U17 Net-_U17-Pad1_ Net-_U1-Pad13_ d_inverter
+X4 Net-_U7-Pad2_ Net-_U11-Pad2_ Net-_U10-Pad2_ Net-_U12-Pad1_ 3_and
+U12 Net-_U12-Pad1_ Net-_U1-Pad14_ d_inverter
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ PORT
+U2 Net-_U1-Pad1_ Net-_U2-Pad2_ d_inverter
+U3 Net-_U1-Pad2_ Net-_U3-Pad2_ d_inverter
+U5 Net-_U3-Pad2_ Net-_U5-Pad2_ d_inverter
+U4 Net-_U1-Pad3_ Net-_U4-Pad2_ d_inverter
+U6 Net-_U4-Pad2_ Net-_U6-Pad2_ d_inverter
+U7 Net-_U1-Pad4_ Net-_U7-Pad2_ d_inverter
+U9 Net-_U1-Pad5_ Net-_U11-Pad1_ d_inverter
+U11 Net-_U11-Pad1_ Net-_U11-Pad2_ d_inverter
+U8 Net-_U1-Pad6_ Net-_U10-Pad1_ d_inverter
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ d_inverter
+
+.end
diff --git a/library/SubcircuitLibrary/HD74LS139/74139.cir.out b/library/SubcircuitLibrary/HD74LS139/74139.cir.out
new file mode 100644
index 00000000..21304303
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139.cir.out
@@ -0,0 +1,93 @@
+* c:\fossee\esim\library\subcircuitlibrary\74139\74139.cir
+
+.include 3_and.sub
+x5 net-_u3-pad2_ net-_u4-pad2_ net-_u2-pad2_ net-_u13-pad1_ 3_and
+* u13 net-_u13-pad1_ net-_u1-pad7_ d_inverter
+x6 net-_u2-pad2_ net-_u4-pad2_ net-_u5-pad2_ net-_u14-pad1_ 3_and
+* u14 net-_u14-pad1_ net-_u1-pad8_ d_inverter
+x7 net-_u2-pad2_ net-_u3-pad2_ net-_u6-pad2_ net-_u18-pad1_ 3_and
+* u18 net-_u18-pad1_ net-_u1-pad9_ d_inverter
+x8 net-_u2-pad2_ net-_u5-pad2_ net-_u6-pad2_ net-_u15-pad1_ 3_and
+* u15 net-_u15-pad1_ net-_u1-pad10_ d_inverter
+x1 net-_u11-pad1_ net-_u10-pad1_ net-_u7-pad2_ net-_u19-pad1_ 3_and
+* u19 net-_u19-pad1_ net-_u1-pad11_ d_inverter
+x2 net-_u7-pad2_ net-_u10-pad1_ net-_u11-pad2_ net-_u16-pad1_ 3_and
+* u16 net-_u16-pad1_ net-_u1-pad12_ d_inverter
+x3 net-_u7-pad2_ net-_u11-pad1_ net-_u10-pad2_ net-_u17-pad1_ 3_and
+* u17 net-_u17-pad1_ net-_u1-pad13_ d_inverter
+x4 net-_u7-pad2_ net-_u11-pad2_ net-_u10-pad2_ net-_u12-pad1_ 3_and
+* u12 net-_u12-pad1_ net-_u1-pad14_ d_inverter
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ port
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u3-pad2_ d_inverter
+* u5 net-_u3-pad2_ net-_u5-pad2_ d_inverter
+* u4 net-_u1-pad3_ net-_u4-pad2_ d_inverter
+* u6 net-_u4-pad2_ net-_u6-pad2_ d_inverter
+* u7 net-_u1-pad4_ net-_u7-pad2_ d_inverter
+* u9 net-_u1-pad5_ net-_u11-pad1_ d_inverter
+* u11 net-_u11-pad1_ net-_u11-pad2_ d_inverter
+* u8 net-_u1-pad6_ net-_u10-pad1_ d_inverter
+* u10 net-_u10-pad1_ net-_u10-pad2_ d_inverter
+a1 net-_u13-pad1_ net-_u1-pad7_ u13
+a2 net-_u14-pad1_ net-_u1-pad8_ u14
+a3 net-_u18-pad1_ net-_u1-pad9_ u18
+a4 net-_u15-pad1_ net-_u1-pad10_ u15
+a5 net-_u19-pad1_ net-_u1-pad11_ u19
+a6 net-_u16-pad1_ net-_u1-pad12_ u16
+a7 net-_u17-pad1_ net-_u1-pad13_ u17
+a8 net-_u12-pad1_ net-_u1-pad14_ u12
+a9 net-_u1-pad1_ net-_u2-pad2_ u2
+a10 net-_u1-pad2_ net-_u3-pad2_ u3
+a11 net-_u3-pad2_ net-_u5-pad2_ u5
+a12 net-_u1-pad3_ net-_u4-pad2_ u4
+a13 net-_u4-pad2_ net-_u6-pad2_ u6
+a14 net-_u1-pad4_ net-_u7-pad2_ u7
+a15 net-_u1-pad5_ net-_u11-pad1_ u9
+a16 net-_u11-pad1_ net-_u11-pad2_ u11
+a17 net-_u1-pad6_ net-_u10-pad1_ u8
+a18 net-_u10-pad1_ net-_u10-pad2_ u10
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u13 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u14 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u18 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u15 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u19 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u16 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u17 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u12 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u5 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u9 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u11 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u10 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/HD74LS139/74139.pro b/library/SubcircuitLibrary/HD74LS139/74139.pro
new file mode 100644
index 00000000..82579415
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139.pro
@@ -0,0 +1,83 @@
+update=05/06/25 21:01:46
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/HD74LS139/74139.sch b/library/SubcircuitLibrary/HD74LS139/74139.sch
new file mode 100644
index 00000000..ac975979
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139.sch
@@ -0,0 +1,675 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+LIBS:74139-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L 3_and X5
+U 1 1 6805C3A6
+P 8650 1300
+F 0 "X5" H 8750 1250 60 0000 C CNN
+F 1 "3_and" H 8800 1450 60 0000 C CNN
+F 2 "" H 8650 1300 60 0000 C CNN
+F 3 "" H 8650 1300 60 0000 C CNN
+ 1 8650 1300
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U13
+U 1 1 6805C41F
+P 9600 1250
+F 0 "U13" H 9600 1150 60 0000 C CNN
+F 1 "d_inverter" H 9600 1400 60 0000 C CNN
+F 2 "" H 9650 1200 60 0000 C CNN
+F 3 "" H 9650 1200 60 0000 C CNN
+ 1 9600 1250
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X6
+U 1 1 6805C440
+P 8650 1900
+F 0 "X6" H 8750 1850 60 0000 C CNN
+F 1 "3_and" H 8800 2050 60 0000 C CNN
+F 2 "" H 8650 1900 60 0000 C CNN
+F 3 "" H 8650 1900 60 0000 C CNN
+ 1 8650 1900
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U14
+U 1 1 6805C46B
+P 9600 1850
+F 0 "U14" H 9600 1750 60 0000 C CNN
+F 1 "d_inverter" H 9600 2000 60 0000 C CNN
+F 2 "" H 9650 1800 60 0000 C CNN
+F 3 "" H 9650 1800 60 0000 C CNN
+ 1 9600 1850
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X7
+U 1 1 6805C48A
+P 8650 2500
+F 0 "X7" H 8750 2450 60 0000 C CNN
+F 1 "3_and" H 8800 2650 60 0000 C CNN
+F 2 "" H 8650 2500 60 0000 C CNN
+F 3 "" H 8650 2500 60 0000 C CNN
+ 1 8650 2500
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U18
+U 1 1 6805C4B7
+P 9650 2450
+F 0 "U18" H 9650 2350 60 0000 C CNN
+F 1 "d_inverter" H 9650 2600 60 0000 C CNN
+F 2 "" H 9700 2400 60 0000 C CNN
+F 3 "" H 9700 2400 60 0000 C CNN
+ 1 9650 2450
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X8
+U 1 1 6805C4DC
+P 8650 3050
+F 0 "X8" H 8750 3000 60 0000 C CNN
+F 1 "3_and" H 8800 3200 60 0000 C CNN
+F 2 "" H 8650 3050 60 0000 C CNN
+F 3 "" H 8650 3050 60 0000 C CNN
+ 1 8650 3050
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U15
+U 1 1 6805C513
+P 9600 3000
+F 0 "U15" H 9600 2900 60 0000 C CNN
+F 1 "d_inverter" H 9600 3150 60 0000 C CNN
+F 2 "" H 9650 2950 60 0000 C CNN
+F 3 "" H 9650 2950 60 0000 C CNN
+ 1 9600 3000
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X1
+U 1 1 6805C538
+P 8600 3950
+F 0 "X1" H 8700 3900 60 0000 C CNN
+F 1 "3_and" H 8750 4100 60 0000 C CNN
+F 2 "" H 8600 3950 60 0000 C CNN
+F 3 "" H 8600 3950 60 0000 C CNN
+ 1 8600 3950
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U19
+U 1 1 6805C573
+P 9650 3900
+F 0 "U19" H 9650 3800 60 0000 C CNN
+F 1 "d_inverter" H 9650 4050 60 0000 C CNN
+F 2 "" H 9700 3850 60 0000 C CNN
+F 3 "" H 9700 3850 60 0000 C CNN
+ 1 9650 3900
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X2
+U 1 1 6805C5A4
+P 8600 4450
+F 0 "X2" H 8700 4400 60 0000 C CNN
+F 1 "3_and" H 8750 4600 60 0000 C CNN
+F 2 "" H 8600 4450 60 0000 C CNN
+F 3 "" H 8600 4450 60 0000 C CNN
+ 1 8600 4450
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U16
+U 1 1 6805C5D3
+P 9600 4400
+F 0 "U16" H 9600 4300 60 0000 C CNN
+F 1 "d_inverter" H 9600 4550 60 0000 C CNN
+F 2 "" H 9650 4350 60 0000 C CNN
+F 3 "" H 9650 4350 60 0000 C CNN
+ 1 9600 4400
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X3
+U 1 1 6805C604
+P 8600 5000
+F 0 "X3" H 8700 4950 60 0000 C CNN
+F 1 "3_and" H 8750 5150 60 0000 C CNN
+F 2 "" H 8600 5000 60 0000 C CNN
+F 3 "" H 8600 5000 60 0000 C CNN
+ 1 8600 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U17
+U 1 1 6805C63F
+P 9600 4950
+F 0 "U17" H 9600 4850 60 0000 C CNN
+F 1 "d_inverter" H 9600 5100 60 0000 C CNN
+F 2 "" H 9650 4900 60 0000 C CNN
+F 3 "" H 9650 4900 60 0000 C CNN
+ 1 9600 4950
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X4
+U 1 1 6805C876
+P 8600 5450
+F 0 "X4" H 8700 5400 60 0000 C CNN
+F 1 "3_and" H 8750 5600 60 0000 C CNN
+F 2 "" H 8600 5450 60 0000 C CNN
+F 3 "" H 8600 5450 60 0000 C CNN
+ 1 8600 5450
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U12
+U 1 1 6805C8AB
+P 9550 5400
+F 0 "U12" H 9550 5300 60 0000 C CNN
+F 1 "d_inverter" H 9550 5550 60 0000 C CNN
+F 2 "" H 9600 5350 60 0000 C CNN
+F 3 "" H 9600 5350 60 0000 C CNN
+ 1 9550 5400
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 3800 750 3800 2100
+Wire Wire Line
+ 3800 750 8250 750
+Wire Wire Line
+ 8250 750 8250 1150
+Wire Wire Line
+ 8250 1150 8300 1150
+Connection ~ 3800 2100
+Wire Wire Line
+ 4100 900 4100 2550
+Wire Wire Line
+ 4100 900 8150 900
+Wire Wire Line
+ 8150 900 8150 1250
+Wire Wire Line
+ 8150 1250 8300 1250
+Connection ~ 4100 2550
+Wire Wire Line
+ 6550 1950 6550 3000
+Wire Wire Line
+ 6550 3000 8300 3000
+Wire Wire Line
+ 6550 1950 8300 1950
+Connection ~ 6550 2100
+Wire Wire Line
+ 6400 2550 6400 3100
+Wire Wire Line
+ 6400 3100 8300 3100
+Wire Wire Line
+ 6750 3100 6750 2550
+Wire Wire Line
+ 6750 2550 8300 2550
+Connection ~ 6750 3100
+Wire Wire Line
+ 7650 2900 8300 2900
+Wire Wire Line
+ 7650 1350 7650 2900
+Wire Wire Line
+ 7650 1350 8300 1350
+Wire Wire Line
+ 8300 2350 7650 2350
+Connection ~ 7650 2350
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 4100 1350
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 3800 1900
+Wire Wire Line
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+Wire Wire Line
+ 9900 1850 10300 1850
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 9100 4400 9300 4400
+Wire Wire Line
+ 9900 4400 10300 4400
+Wire Wire Line
+ 10300 4400 10300 4350
+Wire Wire Line
+ 9100 4950 9300 4950
+Wire Wire Line
+ 9900 4950 10300 4950
+Wire Wire Line
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+Wire Wire Line
+ 9850 5400 10300 5400
+Wire Wire Line
+ 8250 4200 8250 4300
+Wire Wire Line
+ 3800 3800 3800 5000
+Wire Wire Line
+ 3800 3800 8250 3800
+Connection ~ 3800 5000
+Wire Wire Line
+ 4300 3900 4300 5450
+Wire Wire Line
+ 4300 3900 8250 3900
+Connection ~ 4300 5450
+Wire Wire Line
+ 4300 4400 8250 4400
+Connection ~ 4300 4400
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 8250 4850 8250 4650
+Wire Wire Line
+ 8250 4650 7550 4650
+Connection ~ 7550 4650
+$Comp
+L PORT U1
+U 1 1 6805D472
+P 1350 1150
+F 0 "U1" H 1400 1250 30 0000 C CNN
+F 1 "PORT" H 1350 1150 30 0000 C CNN
+F 2 "" H 1350 1150 60 0000 C CNN
+F 3 "" H 1350 1150 60 0000 C CNN
+ 1 1350 1150
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6805D4C5
+P 2250 2050
+F 0 "U1" H 2300 2150 30 0000 C CNN
+F 1 "PORT" H 2250 2050 30 0000 C CNN
+F 2 "" H 2250 2050 60 0000 C CNN
+F 3 "" H 2250 2050 60 0000 C CNN
+ 2 2250 2050
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 6805D51C
+P 2250 2550
+F 0 "U1" H 2300 2650 30 0000 C CNN
+F 1 "PORT" H 2250 2550 30 0000 C CNN
+F 2 "" H 2250 2550 60 0000 C CNN
+F 3 "" H 2250 2550 60 0000 C CNN
+ 3 2250 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 6805D640
+P 1450 4200
+F 0 "U1" H 1500 4300 30 0000 C CNN
+F 1 "PORT" H 1450 4200 30 0000 C CNN
+F 2 "" H 1450 4200 60 0000 C CNN
+F 3 "" H 1450 4200 60 0000 C CNN
+ 4 1450 4200
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 6805D69B
+P 2350 5000
+F 0 "U1" H 2400 5100 30 0000 C CNN
+F 1 "PORT" H 2350 5000 30 0000 C CNN
+F 2 "" H 2350 5000 60 0000 C CNN
+F 3 "" H 2350 5000 60 0000 C CNN
+ 5 2350 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 6 1 6805D7CD
+P 2350 5450
+F 0 "U1" H 2400 5550 30 0000 C CNN
+F 1 "PORT" H 2350 5450 30 0000 C CNN
+F 2 "" H 2350 5450 60 0000 C CNN
+F 3 "" H 2350 5450 60 0000 C CNN
+ 6 2350 5450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 7 1 6805D9F0
+P 10550 1250
+F 0 "U1" H 10600 1350 30 0000 C CNN
+F 1 "PORT" H 10550 1250 30 0000 C CNN
+F 2 "" H 10550 1250 60 0000 C CNN
+F 3 "" H 10550 1250 60 0000 C CNN
+ 7 10550 1250
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 8 1 6805DA57
+P 10550 1850
+F 0 "U1" H 10600 1950 30 0000 C CNN
+F 1 "PORT" H 10550 1850 30 0000 C CNN
+F 2 "" H 10550 1850 60 0000 C CNN
+F 3 "" H 10550 1850 60 0000 C CNN
+ 8 10550 1850
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 6805DABE
+P 10550 2450
+F 0 "U1" H 10600 2550 30 0000 C CNN
+F 1 "PORT" H 10550 2450 30 0000 C CNN
+F 2 "" H 10550 2450 60 0000 C CNN
+F 3 "" H 10550 2450 60 0000 C CNN
+ 9 10550 2450
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 10 1 6805DC41
+P 10550 3000
+F 0 "U1" H 10600 3100 30 0000 C CNN
+F 1 "PORT" H 10550 3000 30 0000 C CNN
+F 2 "" H 10550 3000 60 0000 C CNN
+F 3 "" H 10550 3000 60 0000 C CNN
+ 10 10550 3000
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 11 1 6805DCB2
+P 10550 3900
+F 0 "U1" H 10600 4000 30 0000 C CNN
+F 1 "PORT" H 10550 3900 30 0000 C CNN
+F 2 "" H 10550 3900 60 0000 C CNN
+F 3 "" H 10550 3900 60 0000 C CNN
+ 11 10550 3900
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 12 1 6805DD1D
+P 10550 4350
+F 0 "U1" H 10600 4450 30 0000 C CNN
+F 1 "PORT" H 10550 4350 30 0000 C CNN
+F 2 "" H 10550 4350 60 0000 C CNN
+F 3 "" H 10550 4350 60 0000 C CNN
+ 12 10550 4350
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 13 1 6805DD94
+P 10550 4950
+F 0 "U1" H 10600 5050 30 0000 C CNN
+F 1 "PORT" H 10550 4950 30 0000 C CNN
+F 2 "" H 10550 4950 60 0000 C CNN
+F 3 "" H 10550 4950 60 0000 C CNN
+ 13 10550 4950
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 14 1 6805DF1C
+P 10550 5400
+F 0 "U1" H 10600 5500 30 0000 C CNN
+F 1 "PORT" H 10550 5400 30 0000 C CNN
+F 2 "" H 10550 5400 60 0000 C CNN
+F 3 "" H 10550 5400 60 0000 C CNN
+ 14 10550 5400
+ -1 0 0 1
+$EndComp
+$Comp
+L d_inverter U2
+U 1 1 6805F0D7
+P 2600 1150
+F 0 "U2" H 2600 1050 60 0000 C CNN
+F 1 "d_inverter" H 2600 1300 60 0000 C CNN
+F 2 "" H 2650 1100 60 0000 C CNN
+F 3 "" H 2650 1100 60 0000 C CNN
+ 1 2600 1150
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 1600 1150 2300 1150
+Wire Wire Line
+ 2900 1150 7000 1150
+$Comp
+L d_inverter U3
+U 1 1 6805F313
+P 3300 2100
+F 0 "U3" H 3300 2000 60 0000 C CNN
+F 1 "d_inverter" H 3300 2250 60 0000 C CNN
+F 2 "" H 3350 2050 60 0000 C CNN
+F 3 "" H 3350 2050 60 0000 C CNN
+ 1 3300 2100
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U5
+U 1 1 6805F378
+P 4750 2100
+F 0 "U5" H 4750 2000 60 0000 C CNN
+F 1 "d_inverter" H 4750 2250 60 0000 C CNN
+F 2 "" H 4800 2050 60 0000 C CNN
+F 3 "" H 4800 2050 60 0000 C CNN
+ 1 4750 2100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3600 2100 4450 2100
+Wire Wire Line
+ 5050 2100 6550 2100
+$Comp
+L d_inverter U4
+U 1 1 6805F4EB
+P 3350 2550
+F 0 "U4" H 3350 2450 60 0000 C CNN
+F 1 "d_inverter" H 3350 2700 60 0000 C CNN
+F 2 "" H 3400 2500 60 0000 C CNN
+F 3 "" H 3400 2500 60 0000 C CNN
+ 1 3350 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U6
+U 1 1 6805F546
+P 4750 2550
+F 0 "U6" H 4750 2450 60 0000 C CNN
+F 1 "d_inverter" H 4750 2700 60 0000 C CNN
+F 2 "" H 4800 2500 60 0000 C CNN
+F 3 "" H 4800 2500 60 0000 C CNN
+ 1 4750 2550
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2500 2550 3050 2550
+Wire Wire Line
+ 3650 2550 4450 2550
+Wire Wire Line
+ 5050 2550 6400 2550
+$Comp
+L d_inverter U7
+U 1 1 6805F904
+P 2450 4200
+F 0 "U7" H 2450 4100 60 0000 C CNN
+F 1 "d_inverter" H 2450 4350 60 0000 C CNN
+F 2 "" H 2500 4150 60 0000 C CNN
+F 3 "" H 2500 4150 60 0000 C CNN
+ 1 2450 4200
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 1700 4200 2150 4200
+Wire Wire Line
+ 2750 4200 8250 4200
+$Comp
+L d_inverter U9
+U 1 1 6805FB1C
+P 3250 5000
+F 0 "U9" H 3250 4900 60 0000 C CNN
+F 1 "d_inverter" H 3250 5150 60 0000 C CNN
+F 2 "" H 3300 4950 60 0000 C CNN
+F 3 "" H 3300 4950 60 0000 C CNN
+ 1 3250 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U11
+U 1 1 6805FB7B
+P 4900 5000
+F 0 "U11" H 4900 4900 60 0000 C CNN
+F 1 "d_inverter" H 4900 5150 60 0000 C CNN
+F 2 "" H 4950 4950 60 0000 C CNN
+F 3 "" H 4950 4950 60 0000 C CNN
+ 1 4900 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U8
+U 1 1 6805FC04
+P 3200 5450
+F 0 "U8" H 3200 5350 60 0000 C CNN
+F 1 "d_inverter" H 3200 5600 60 0000 C CNN
+F 2 "" H 3250 5400 60 0000 C CNN
+F 3 "" H 3250 5400 60 0000 C CNN
+ 1 3200 5450
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U10
+U 1 1 6805FC67
+P 4850 5450
+F 0 "U10" H 4850 5350 60 0000 C CNN
+F 1 "d_inverter" H 4850 5600 60 0000 C CNN
+F 2 "" H 4900 5400 60 0000 C CNN
+F 3 "" H 4900 5400 60 0000 C CNN
+ 1 4850 5450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2600 5000 2950 5000
+Wire Wire Line
+ 2600 5450 2900 5450
+Wire Wire Line
+ 3550 5000 4600 5000
+Wire Wire Line
+ 3500 5450 4550 5450
+Wire Wire Line
+ 7050 5000 5200 5000
+Wire Wire Line
+ 7050 4500 7050 5400
+Wire Wire Line
+ 5150 5450 7800 5450
+Connection ~ 7550 4200
+Connection ~ 7650 1750
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/HD74LS139/74139.sub b/library/SubcircuitLibrary/HD74LS139/74139.sub
new file mode 100644
index 00000000..f044a755
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139.sub
@@ -0,0 +1,87 @@
+* Subcircuit 74139
+.subckt 74139 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_
+* c:\fossee\esim\library\subcircuitlibrary\74139\74139.cir
+.include 3_and.sub
+x5 net-_u3-pad2_ net-_u4-pad2_ net-_u2-pad2_ net-_u13-pad1_ 3_and
+* u13 net-_u13-pad1_ net-_u1-pad7_ d_inverter
+x6 net-_u2-pad2_ net-_u4-pad2_ net-_u5-pad2_ net-_u14-pad1_ 3_and
+* u14 net-_u14-pad1_ net-_u1-pad8_ d_inverter
+x7 net-_u2-pad2_ net-_u3-pad2_ net-_u6-pad2_ net-_u18-pad1_ 3_and
+* u18 net-_u18-pad1_ net-_u1-pad9_ d_inverter
+x8 net-_u2-pad2_ net-_u5-pad2_ net-_u6-pad2_ net-_u15-pad1_ 3_and
+* u15 net-_u15-pad1_ net-_u1-pad10_ d_inverter
+x1 net-_u11-pad1_ net-_u10-pad1_ net-_u7-pad2_ net-_u19-pad1_ 3_and
+* u19 net-_u19-pad1_ net-_u1-pad11_ d_inverter
+x2 net-_u7-pad2_ net-_u10-pad1_ net-_u11-pad2_ net-_u16-pad1_ 3_and
+* u16 net-_u16-pad1_ net-_u1-pad12_ d_inverter
+x3 net-_u7-pad2_ net-_u11-pad1_ net-_u10-pad2_ net-_u17-pad1_ 3_and
+* u17 net-_u17-pad1_ net-_u1-pad13_ d_inverter
+x4 net-_u7-pad2_ net-_u11-pad2_ net-_u10-pad2_ net-_u12-pad1_ 3_and
+* u12 net-_u12-pad1_ net-_u1-pad14_ d_inverter
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u3-pad2_ d_inverter
+* u5 net-_u3-pad2_ net-_u5-pad2_ d_inverter
+* u4 net-_u1-pad3_ net-_u4-pad2_ d_inverter
+* u6 net-_u4-pad2_ net-_u6-pad2_ d_inverter
+* u7 net-_u1-pad4_ net-_u7-pad2_ d_inverter
+* u9 net-_u1-pad5_ net-_u11-pad1_ d_inverter
+* u11 net-_u11-pad1_ net-_u11-pad2_ d_inverter
+* u8 net-_u1-pad6_ net-_u10-pad1_ d_inverter
+* u10 net-_u10-pad1_ net-_u10-pad2_ d_inverter
+a1 net-_u13-pad1_ net-_u1-pad7_ u13
+a2 net-_u14-pad1_ net-_u1-pad8_ u14
+a3 net-_u18-pad1_ net-_u1-pad9_ u18
+a4 net-_u15-pad1_ net-_u1-pad10_ u15
+a5 net-_u19-pad1_ net-_u1-pad11_ u19
+a6 net-_u16-pad1_ net-_u1-pad12_ u16
+a7 net-_u17-pad1_ net-_u1-pad13_ u17
+a8 net-_u12-pad1_ net-_u1-pad14_ u12
+a9 net-_u1-pad1_ net-_u2-pad2_ u2
+a10 net-_u1-pad2_ net-_u3-pad2_ u3
+a11 net-_u3-pad2_ net-_u5-pad2_ u5
+a12 net-_u1-pad3_ net-_u4-pad2_ u4
+a13 net-_u4-pad2_ net-_u6-pad2_ u6
+a14 net-_u1-pad4_ net-_u7-pad2_ u7
+a15 net-_u1-pad5_ net-_u11-pad1_ u9
+a16 net-_u11-pad1_ net-_u11-pad2_ u11
+a17 net-_u1-pad6_ net-_u10-pad1_ u8
+a18 net-_u10-pad1_ net-_u10-pad2_ u10
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u13 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u14 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u18 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u15 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u19 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u16 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u17 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u12 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u5 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u9 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u11 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u10 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74139 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/HD74LS139/74139_Previous_Values.xml b/library/SubcircuitLibrary/HD74LS139/74139_Previous_Values.xml
new file mode 100644
index 00000000..7328b6f2
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/74139_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u13 name="type">d_inverter<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u13><u14 name="type">d_inverter<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u14><u18 name="type">d_inverter<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u18><u15 name="type">d_inverter<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u15><u19 name="type">d_inverter<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u19><u16 name="type">d_inverter<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u16><u17 name="type">d_inverter<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u17><u12 name="type">d_inverter<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u12><u2 name="type">d_inverter<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u2><u3 name="type">d_inverter<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_inverter<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u4><u8 name="type">d_inverter<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_inverter<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u9><u5 name="type">d_inverter<field40 name="Enter Rise Delay (default=1.0e-9)" /><field41 name="Enter Fall Delay (default=1.0e-9)" /><field42 name="Enter Input Load (default=1.0e-12)" /></u5><u6 name="type">d_inverter<field43 name="Enter Rise Delay (default=1.0e-9)" /><field44 name="Enter Fall Delay (default=1.0e-9)" /><field45 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_inverter<field46 name="Enter Rise Delay (default=1.0e-9)" /><field47 name="Enter Fall Delay (default=1.0e-9)" /><field48 name="Enter Input Load (default=1.0e-12)" /></u7><u10 name="type">d_inverter<field49 name="Enter Rise Delay (default=1.0e-9)" /><field50 name="Enter Fall Delay (default=1.0e-9)" /><field51 name="Enter Input Load (default=1.0e-12)" /></u10><u11 name="type">d_inverter<field52 name="Enter Rise Delay (default=1.0e-9)" /><field53 name="Enter Fall Delay (default=1.0e-9)" /><field54 name="Enter Input Load (default=1.0e-12)" /></u11><u2 name="type">d_buffer<field49 name="Enter Rise Delay (default=1.0e-9)" /><field50 name="Enter Fall Delay (default=1.0e-9)" /><field51 name="Enter Input Load (default=1.0e-12)" /></u2><u5 name="type">d_buffer<field52 name="Enter Rise Delay (default=1.0e-9)" /><field53 name="Enter Fall Delay (default=1.0e-9)" /><field54 name="Enter Input Load (default=1.0e-12)" /></u5></model><devicemodel /><subcircuit><x5><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x5><x6><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x6><x7><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x7><x8><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x8><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x2><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x3><x4><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x4></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/HD74LS139/analysis b/library/SubcircuitLibrary/HD74LS139/analysis
new file mode 100644
index 00000000..2e3711be
--- /dev/null
+++ b/library/SubcircuitLibrary/HD74LS139/analysis
@@ -0,0 +1 @@
+.tran 10e-03 13e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N-cache.lib b/library/SubcircuitLibrary/SN74ALS520N/74520N-cache.lib
new file mode 100644
index 00000000..f840f078
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N-cache.lib
@@ -0,0 +1,171 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 7421
+#
+DEF 7421 X 0 40 Y Y 1 F N
+F0 "X" 0 250 60 H V C CNN
+F1 "7421" 0 350 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -550 150 400 -650 0 1 0 N
+X IN1 1 -750 50 200 R 50 50 1 1 I
+X IN2 2 -750 -100 200 R 50 50 1 1 I
+X IN3 3 -750 -250 200 R 50 50 1 1 I
+X IN4 4 -750 -400 200 R 50 50 1 1 I
+X OUT1 5 -750 -550 200 R 50 50 1 1 O
+X IN1 6 600 50 200 L 50 50 1 1 I
+X IN2 7 600 -100 200 L 50 50 1 1 I
+X IN3 8 600 -250 200 L 50 50 1 1 I
+X IN4 9 600 -400 200 L 50 50 1 1 I
+X OUT2 10 600 -550 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# CD4077
+#
+DEF CD4077 X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "CD4077" 0 100 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -350 -150 450 -1050 0 1 0 N
+X IN1 1 -550 -250 200 R 50 50 1 1 I
+X IN2 2 -550 -350 200 R 50 50 1 1 I
+X IN1 3 -550 -450 200 R 50 50 1 1 I
+X IN2 4 -550 -550 200 R 50 50 1 1 I
+X IN1 5 -550 -650 200 R 50 50 1 1 I
+X IN2 6 -550 -750 200 R 50 50 1 1 I
+X IN1 7 -550 -850 200 R 50 50 1 1 I
+X IN2 8 -550 -950 200 R 50 50 1 1 I
+X OUT1 9 650 -250 200 L 50 50 1 1 O
+X OUT2 10 650 -500 200 L 50 50 1 1 O
+X OUT3 11 650 -700 200 L 50 50 1 1 O
+X OUT4 12 650 -900 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# DC
+#
+DEF DC v 0 40 Y Y 1 F N
+F0 "v" -200 100 60 H V C CNN
+F1 "DC" -200 -50 60 H V C CNN
+F2 "R1" -300 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+$FPLIST
+ 1_pin
+$ENDFPLIST
+DRAW
+C 0 0 150 0 1 0 N
+X + 1 0 450 300 D 50 50 1 1 w
+X - 2 0 -450 300 U 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# adc_bridge_8
+#
+DEF adc_bridge_8 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "adc_bridge_8" 0 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -400 200 350 -700 0 1 0 N
+X IN1 1 -600 50 200 R 50 50 1 1 I
+X IN2 2 -600 -50 200 R 50 50 1 1 I
+X IN3 3 -600 -150 200 R 50 50 1 1 I
+X IN4 4 -600 -250 200 R 50 50 1 1 I
+X IN5 5 -600 -350 200 R 50 50 1 1 I
+X IN6 6 -600 -450 200 R 50 50 1 1 I
+X IN7 7 -600 -550 200 R 50 50 1 1 I
+X IN8 8 -600 -650 200 R 50 50 1 1 I
+X OUT1 9 550 50 200 L 50 50 1 1 O
+X OUT2 10 550 -50 200 L 50 50 1 1 O
+X OUT3 11 550 -150 200 L 50 50 1 1 O
+X OUT4 12 550 -250 200 L 50 50 1 1 O
+X OUT5 13 550 -350 200 L 50 50 1 1 O
+X OUT6 14 550 -450 200 L 50 50 1 1 O
+X OUT7 15 550 -550 200 L 50 50 1 1 O
+X OUT8 16 550 -650 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# dac_bridge_1
+#
+DEF dac_bridge_1 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "dac_bridge_1" 0 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -400 200 350 -50 0 1 0 N
+X IN1 1 -600 50 200 R 50 50 1 1 I
+X OUT1 2 550 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# eSim_R
+#
+DEF eSim_R R 0 0 N Y 1 F N
+F0 "R" 50 130 50 H V C CNN
+F1 "eSim_R" 50 -50 50 H V C CNN
+F2 "" 50 -20 30 H V C CNN
+F3 "" 50 50 30 V V C CNN
+ALIAS resistor
+$FPLIST
+ R_*
+ Resistor_*
+$ENDFPLIST
+DRAW
+S 150 10 -50 90 0 1 10 N
+X ~ 1 -100 50 50 R 60 60 1 1 P
+X ~ 2 200 50 50 L 60 60 1 1 P
+ENDDRAW
+ENDDEF
+#
+# plot_v1
+#
+DEF plot_v1 U 0 40 Y Y 1 F N
+F0 "U" 0 500 60 H V C CNN
+F1 "plot_v1" 200 350 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+C 0 500 100 0 1 0 N
+X ~ ~ 0 200 200 U 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N.cir b/library/SubcircuitLibrary/SN74ALS520N/74520N.cir
new file mode 100644
index 00000000..1f23492e
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N.cir
@@ -0,0 +1,31 @@
+* C:\Users\pt710\eSim-Workspace\74520N\74520N.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 03/21/25 12:10:14
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+X1 Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ Net-_U1-Pad15_ Net-_U1-Pad16_ Net-_X1-Pad9_ Net-_X1-Pad10_ Net-_X1-Pad11_ Net-_X1-Pad12_ CD4077
+X2 Net-_U2-Pad9_ Net-_U2-Pad10_ Net-_U2-Pad11_ Net-_U2-Pad12_ Net-_U2-Pad13_ Net-_U2-Pad14_ Net-_U2-Pad15_ Net-_U2-Pad16_ Net-_X2-Pad9_ Net-_X2-Pad10_ Net-_X2-Pad11_ Net-_X2-Pad12_ CD4077
+X3 Net-_X1-Pad9_ Net-_X1-Pad10_ Net-_X1-Pad11_ Net-_X1-Pad12_ Net-_U3-Pad1_ Net-_X2-Pad12_ Net-_X2-Pad11_ Net-_X2-Pad10_ Net-_X2-Pad9_ Net-_U3-Pad2_ 7421
+U1 Net-_U1-Pad1_ Net-_U1-Pad1_ Net-_U1-Pad3_ Net-_U1-Pad3_ Net-_U1-Pad5_ Net-_U1-Pad5_ Net-_U1-Pad5_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ Net-_U1-Pad15_ Net-_U1-Pad16_ adc_bridge_8
+U2 Net-_U2-Pad1_ Net-_U2-Pad2_ Net-_U2-Pad3_ Net-_U2-Pad4_ Net-_U2-Pad5_ Net-_U2-Pad6_ Net-_U2-Pad7_ Net-_U2-Pad8_ Net-_U2-Pad9_ Net-_U2-Pad10_ Net-_U2-Pad11_ Net-_U2-Pad12_ Net-_U2-Pad13_ Net-_U2-Pad14_ Net-_U2-Pad15_ Net-_U2-Pad16_ adc_bridge_8
+R1 out GND 10k
+U5 out plot_v1
+v1 Net-_U1-Pad1_ GND DC
+U3 Net-_U3-Pad1_ Net-_U3-Pad2_ Net-_U3-Pad3_ d_and
+v2 Net-_U1-Pad3_ GND DC
+v3 Net-_U1-Pad5_ GND DC
+v4 Net-_U1-Pad8_ GND DC
+v5 Net-_U2-Pad1_ GND DC
+v6 Net-_U2-Pad2_ GND DC
+v7 Net-_U2-Pad3_ GND DC
+v8 Net-_U2-Pad4_ GND DC
+v9 Net-_U2-Pad5_ GND DC
+v10 Net-_U2-Pad6_ GND DC
+v11 Net-_U2-Pad7_ GND DC
+v12 Net-_U2-Pad8_ GND DC
+U4 Net-_U3-Pad3_ out dac_bridge_1
+
+.end
diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N.cir.out b/library/SubcircuitLibrary/SN74ALS520N/74520N.cir.out
new file mode 100644
index 00000000..00c8acc3
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N.cir.out
@@ -0,0 +1,47 @@
+* c:\users\pt710\esim-workspace\74520n\74520n.cir
+
+.include 7421.sub
+.include CD4077.sub
+x1 net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_x1-pad9_ net-_x1-pad10_ net-_x1-pad11_ net-_x1-pad12_ CD4077
+x2 net-_u2-pad9_ net-_u2-pad10_ net-_u2-pad11_ net-_u2-pad12_ net-_u2-pad13_ net-_u2-pad14_ net-_u2-pad15_ net-_u2-pad16_ net-_x2-pad9_ net-_x2-pad10_ net-_x2-pad11_ net-_x2-pad12_ CD4077
+x3 net-_x1-pad9_ net-_x1-pad10_ net-_x1-pad11_ net-_x1-pad12_ net-_u3-pad1_ net-_x2-pad12_ net-_x2-pad11_ net-_x2-pad10_ net-_x2-pad9_ net-_u3-pad2_ 7421
+* u1 net-_u1-pad1_ net-_u1-pad1_ net-_u1-pad3_ net-_u1-pad3_ net-_u1-pad5_ net-_u1-pad5_ net-_u1-pad5_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ adc_bridge_8
+* u2 net-_u2-pad1_ net-_u2-pad2_ net-_u2-pad3_ net-_u2-pad4_ net-_u2-pad5_ net-_u2-pad6_ net-_u2-pad7_ net-_u2-pad8_ net-_u2-pad9_ net-_u2-pad10_ net-_u2-pad11_ net-_u2-pad12_ net-_u2-pad13_ net-_u2-pad14_ net-_u2-pad15_ net-_u2-pad16_ adc_bridge_8
+r1 out gnd 10k
+* u5 out plot_v1
+v1 net-_u1-pad1_ gnd dc 5
+* u3 net-_u3-pad1_ net-_u3-pad2_ net-_u3-pad3_ d_and
+v2 net-_u1-pad3_ gnd dc 5
+v3 net-_u1-pad5_ gnd dc 5
+v4 net-_u1-pad8_ gnd dc 5
+v5 net-_u2-pad1_ gnd dc 5
+v6 net-_u2-pad2_ gnd dc 5
+v7 net-_u2-pad3_ gnd dc 5
+v8 net-_u2-pad4_ gnd dc 5
+v9 net-_u2-pad5_ gnd dc 5
+v10 net-_u2-pad6_ gnd dc 5
+v11 net-_u2-pad7_ gnd dc 5
+v12 net-_u2-pad8_ gnd dc 5
+* u4 net-_u3-pad3_ out dac_bridge_1
+a1 [net-_u1-pad1_ net-_u1-pad1_ net-_u1-pad3_ net-_u1-pad3_ net-_u1-pad5_ net-_u1-pad5_ net-_u1-pad5_ net-_u1-pad8_ ] [net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ ] u1
+a2 [net-_u2-pad1_ net-_u2-pad2_ net-_u2-pad3_ net-_u2-pad4_ net-_u2-pad5_ net-_u2-pad6_ net-_u2-pad7_ net-_u2-pad8_ ] [net-_u2-pad9_ net-_u2-pad10_ net-_u2-pad11_ net-_u2-pad12_ net-_u2-pad13_ net-_u2-pad14_ net-_u2-pad15_ net-_u2-pad16_ ] u2
+a3 [net-_u3-pad1_ net-_u3-pad2_ ] net-_u3-pad3_ u3
+a4 [net-_u3-pad3_ ] [out ] u4
+* Schematic Name: adc_bridge_8, NgSpice Name: adc_bridge
+.model u1 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: adc_bridge_8, NgSpice Name: adc_bridge
+.model u2 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u3 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: dac_bridge_1, NgSpice Name: dac_bridge
+.model u4 dac_bridge(out_low=0.0 out_high=5.0 out_undef=0.5 input_load=1.0e-12 t_rise=1.0e-9 t_fall=1.0e-9 )
+.tran 1e-06 10e-03 1e-06
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+plot v(out)
+.endc
+.end
diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N.pro b/library/SubcircuitLibrary/SN74ALS520N/74520N.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N.pro
@@ -0,0 +1,73 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N.proj b/library/SubcircuitLibrary/SN74ALS520N/74520N.proj
new file mode 100644
index 00000000..8a55fd63
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N.proj
@@ -0,0 +1 @@
+schematicFile 74520N.sch
diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N.sch b/library/SubcircuitLibrary/SN74ALS520N/74520N.sch
new file mode 100644
index 00000000..2dff2365
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N.sch
@@ -0,0 +1,629 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L CD4077 X1
+U 1 1 67DCFD03
+P 4900 1350
+F 0 "X1" H 4900 1350 60 0000 C CNN
+F 1 "CD4077" H 4900 1450 60 0000 C CNN
+F 2 "" H 4900 1350 60 0001 C CNN
+F 3 "" H 4900 1350 60 0001 C CNN
+ 1 4900 1350
+ 1 0 0 -1
+$EndComp
+$Comp
+L CD4077 X2
+U 1 1 67DCFE03
+P 4900 2550
+F 0 "X2" H 4900 2550 60 0000 C CNN
+F 1 "CD4077" H 4900 2650 60 0000 C CNN
+F 2 "" H 4900 2550 60 0001 C CNN
+F 3 "" H 4900 2550 60 0001 C CNN
+ 1 4900 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L 7421 X3
+U 1 1 67DCFE8E
+P 7150 1700
+F 0 "X3" H 7150 1950 60 0000 C CNN
+F 1 "7421" H 7150 2050 60 0000 C CNN
+F 2 "" H 7150 1700 60 0001 C CNN
+F 3 "" H 7150 1700 60 0001 C CNN
+ 1 7150 1700
+ 1 0 0 -1
+$EndComp
+$Comp
+L adc_bridge_8 U1
+U 1 1 67DCFF30
+P 3250 1650
+F 0 "U1" H 3250 1650 60 0000 C CNN
+F 1 "adc_bridge_8" H 3250 1800 60 0000 C CNN
+F 2 "" H 3250 1650 60 0000 C CNN
+F 3 "" H 3250 1650 60 0000 C CNN
+ 1 3250 1650
+ 1 0 0 -1
+$EndComp
+$Comp
+L adc_bridge_8 U2
+U 1 1 67DCFF9B
+P 3250 2850
+F 0 "U2" H 3250 2850 60 0000 C CNN
+F 1 "adc_bridge_8" H 3250 3000 60 0000 C CNN
+F 2 "" H 3250 2850 60 0000 C CNN
+F 3 "" H 3250 2850 60 0000 C CNN
+ 1 3250 2850
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3800 1600 4350 1600
+Wire Wire Line
+ 3800 1700 4350 1700
+Wire Wire Line
+ 3800 1800 4350 1800
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+Wire Wire Line
+ 3800 3500 4350 3500
+Wire Wire Line
+ 5550 2800 8200 2800
+Wire Wire Line
+ 8200 2800 8200 2100
+Wire Wire Line
+ 8200 2100 7750 2100
+Wire Wire Line
+ 5550 3050 8400 3050
+Wire Wire Line
+ 8400 3050 8400 1950
+Wire Wire Line
+ 8400 1950 7750 1950
+Wire Wire Line
+ 5550 3250 8650 3250
+Wire Wire Line
+ 8650 3250 8650 1800
+Wire Wire Line
+ 8650 1800 7750 1800
+Wire Wire Line
+ 5550 3450 8900 3450
+Wire Wire Line
+ 8900 3450 8900 1650
+Wire Wire Line
+ 8900 1650 7750 1650
+Wire Wire Line
+ 6400 2250 6400 4350
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 5750 4050 5750 4450
+Wire Wire Line
+ 5750 4450 6650 4450
+$Comp
+L GND #PWR01
+U 1 1 67DD0482
+P 10250 4350
+F 0 "#PWR01" H 10250 4100 50 0001 C CNN
+F 1 "GND" H 10250 4200 50 0000 C CNN
+F 2 "" H 10250 4350 50 0001 C CNN
+F 3 "" H 10250 4350 50 0001 C CNN
+ 1 10250 4350
+ 1 0 0 -1
+$EndComp
+$Comp
+L resistor R1
+U 1 1 67DD04C2
+P 9450 4400
+F 0 "R1" H 9500 4530 50 0000 C CNN
+F 1 "10k" H 9500 4350 50 0000 C CNN
+F 2 "" H 9500 4380 30 0000 C CNN
+F 3 "" V 9500 4450 30 0000 C CNN
+ 1 9450 4400
+ 1 0 0 -1
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+$Comp
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+$Comp
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+$EndComp
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+$EndComp
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+F 3 "" H 1000 1600 50 0001 C CNN
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+$EndComp
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+F 3 "" H 1000 1900 50 0001 C CNN
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+$EndComp
+$Comp
+L GND #PWR04
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+F 2 "" H 1000 2200 50 0001 C CNN
+F 3 "" H 1000 2200 50 0001 C CNN
+ 1 1000 2200
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+$EndComp
+$Comp
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+F 2 "" H 1000 2500 50 0001 C CNN
+F 3 "" H 1000 2500 50 0001 C CNN
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+$EndComp
+$Comp
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+F 2 "" H 1000 2800 50 0001 C CNN
+F 3 "" H 1000 2800 50 0001 C CNN
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+$EndComp
+$Comp
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+F 2 "" H 1000 3100 50 0001 C CNN
+F 3 "" H 1000 3100 50 0001 C CNN
+ 1 1000 3100
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+$EndComp
+$Comp
+L GND #PWR08
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+F 2 "" H 1000 3400 50 0001 C CNN
+F 3 "" H 1000 3400 50 0001 C CNN
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+$EndComp
+$Comp
+L GND #PWR09
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+F 1 "GND" H 1000 3550 50 0000 C CNN
+F 2 "" H 1000 3700 50 0001 C CNN
+F 3 "" H 1000 3700 50 0001 C CNN
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+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+F 2 "R1" H 1550 4000 60 0000 C CNN
+F 3 "" H 1850 4000 60 0000 C CNN
+ 1 1850 4000
+ 0 1 1 0
+$EndComp
+$Comp
+L DC v10
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+F 0 "v10" H 1700 4450 60 0000 C CNN
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+F 3 "" H 1850 4300 60 0000 C CNN
+ 1 1850 4300
+ 0 1 1 0
+$EndComp
+$Comp
+L DC v11
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+F 3 "" H 1850 4600 60 0000 C CNN
+ 1 1850 4600
+ 0 1 1 0
+$EndComp
+$Comp
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+F 0 "v12" H 1700 5050 60 0000 C CNN
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+F 3 "" H 1850 4900 60 0000 C CNN
+ 1 1850 4900
+ 0 1 1 0
+$EndComp
+$Comp
+L GND #PWR013
+U 1 1 67DD261A
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+F 1 "GND" H 1000 3850 50 0000 C CNN
+F 2 "" H 1000 4000 50 0001 C CNN
+F 3 "" H 1000 4000 50 0001 C CNN
+ 1 1000 4000
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR014
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+F 3 "" H 1000 4300 50 0001 C CNN
+ 1 1000 4300
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 3 "" H 1000 4600 50 0001 C CNN
+ 1 1000 4600
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 2 "" H 1000 4900 50 0001 C CNN
+F 3 "" H 1000 4900 50 0001 C CNN
+ 1 1000 4900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
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+F 1 "dac_bridge_1" H 8100 4600 60 0000 C CNN
+F 2 "" H 8100 4450 60 0000 C CNN
+F 3 "" H 8100 4450 60 0000 C CNN
+ 1 8100 4450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
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+Connection ~ 2300 1900
+Wire Wire Line
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+Wire Wire Line
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diff --git a/library/SubcircuitLibrary/SN74ALS520N/74520N_Previous_Values.xml b/library/SubcircuitLibrary/SN74ALS520N/74520N_Previous_Values.xml
new file mode 100644
index 00000000..052d2364
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/74520N_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source><v1 name="Source type">dc<field1 name="Value">5</field1></v1><v2 name="Source type">dc<field1 name="Value">5</field1></v2><v3 name="Source type">dc<field1 name="Value">5</field1></v3><v4 name="Source type">dc<field1 name="Value">5</field1></v4><v5 name="Source type">dc<field1 name="Value">5</field1></v5><v6 name="Source type">dc<field1 name="Value">5</field1></v6><v7 name="Source type">dc<field1 name="Value">5</field1></v7><v8 name="Source type">dc<field1 name="Value">5</field1></v8><v9 name="Source type">dc<field1 name="Value">5</field1></v9><v10 name="Source type">dc<field1 name="Value">5</field1></v10><v11 name="Source type">dc<field1 name="Value">5</field1></v11><v12 name="Source type">dc<field1 name="Value">5</field1></v12></source><model><u1 name="type">adc_bridge<field1 name="Enter value for in_low (default=1.0)" /><field2 name="Enter value for in_high (default=2.0)" /><field3 name="Enter Rise Delay (default=1.0e-9)" /><field4 name="Enter Fall Delay (default=1.0e-9)" /></u1><u2 name="type">adc_bridge<field5 name="Enter value for in_low (default=1.0)" /><field6 name="Enter value for in_high (default=2.0)" /><field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /></u2><u3 name="type">d_and<field9 name="Enter Rise Delay (default=1.0e-9)" /><field10 name="Enter Fall Delay (default=1.0e-9)" /><field11 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">dac_bridge<field12 name="Enter value for out_low (default=0.0)" /><field13 name="Enter value for out_high (default=5.0)" /><field14 name="Enter value for out_undef (default=0.5)" /><field15 name="Enter value for input load (default=1.0e-12)" /><field16 name="Enter the Rise Time (default=1.0e-9)" /><field17 name="Enter the Fall Time (default=1.0e-9)" /></u4></model><devicemodel /><subcircuit><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\CD4077</field></x1><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\CD4077</field></x2><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\7421</field></x3></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time">1</field1><field2 name="Step Time">1</field2><field3 name="Stop Time">10</field3><field4 name="Start Combo">us</field4><field5 name="Step Combo">us</field5><field6 name="Stop Combo">ms</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74ALS520N/analysis b/library/SubcircuitLibrary/SN74ALS520N/analysis
new file mode 100644
index 00000000..79194fd6
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74ALS520N/analysis
@@ -0,0 +1 @@
+.tran 1e-06 10e-03 1e-06 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74HC688/74688-cache.lib b/library/SubcircuitLibrary/SN74HC688/74688-cache.lib
new file mode 100644
index 00000000..a488b30b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688-cache.lib
@@ -0,0 +1,132 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 3_and
+#
+DEF 3_and X 0 40 Y Y 1 F N
+F0 "X" 100 -50 60 H V C CNN
+F1 "3_and" 150 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 150 50 158 716 -716 0 1 0 N 200 200 200 -100
+P 2 0 1 0 -150 200 200 200 N
+P 3 0 1 0 -150 200 -150 -100 200 -100 N
+X in1 1 -350 150 200 R 50 50 1 1 I
+X in2 2 -350 50 200 R 50 50 1 1 I
+X in3 3 -350 -50 200 R 50 50 1 1 I
+X out 4 500 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# 4_and
+#
+DEF 4_and X 0 40 Y Y 1 F N
+F0 "X" 50 -50 60 H V C CNN
+F1 "4_and" 100 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 100 0 206 760 -760 0 1 0 N 150 200 150 -200
+P 2 0 1 0 -200 200 150 200 N
+P 4 0 1 0 -200 200 -200 -200 50 -200 150 -200 N
+X in1 1 -400 150 200 R 50 50 1 1 I
+X in2 2 -400 50 200 R 50 50 1 1 I
+X in3 3 -400 -50 200 R 50 50 1 1 I
+X in4 4 -400 -150 200 R 50 50 1 1 I
+X out 5 500 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_xnor
+#
+DEF d_xnor U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_xnor" 50 100 47 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -350 50 180 -337 337 0 1 0 N -200 -50 -200 150
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 150 -50 -200 -50 N
+P 2 0 1 0 150 150 -200 150 N
+X IN1 1 -450 100 215 R 50 43 1 1 I
+X IN2 2 -450 0 215 R 50 43 1 1 I
+X OUT 3 450 50 200 L 50 43 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74HC688/74688.cir b/library/SubcircuitLibrary/SN74HC688/74688.cir
new file mode 100644
index 00000000..6e028afb
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688.cir
@@ -0,0 +1,25 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\74688\74688.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/21/25 17:00:02
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U2 Net-_U1-Pad1_ Net-_U2-Pad2_ d_inverter
+U3 Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U3-Pad3_ d_xnor
+U4 Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U4-Pad3_ d_xnor
+U5 Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U5-Pad3_ d_xnor
+U6 Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U6-Pad3_ d_xnor
+U7 Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U7-Pad3_ d_xnor
+U8 Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U8-Pad3_ d_xnor
+U9 Net-_U1-Pad14_ Net-_U1-Pad15_ Net-_U11-Pad1_ d_xnor
+U10 Net-_U1-Pad16_ Net-_U1-Pad17_ Net-_U10-Pad3_ d_xnor
+X1 Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U5-Pad3_ Net-_X1-Pad4_ 3_and
+X2 Net-_U6-Pad3_ Net-_U7-Pad3_ Net-_U8-Pad3_ Net-_X2-Pad4_ 3_and
+U11 Net-_U11-Pad1_ Net-_U10-Pad3_ Net-_U11-Pad3_ d_and
+X3 Net-_U2-Pad2_ Net-_X1-Pad4_ Net-_X2-Pad4_ Net-_U11-Pad3_ Net-_U12-Pad1_ 4_and
+U12 Net-_U12-Pad1_ Net-_U1-Pad18_ d_inverter
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ Net-_U1-Pad15_ Net-_U1-Pad16_ Net-_U1-Pad17_ Net-_U1-Pad18_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/SN74HC688/74688.cir.out b/library/SubcircuitLibrary/SN74HC688/74688.cir.out
new file mode 100644
index 00000000..c4cde047
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688.cir.out
@@ -0,0 +1,61 @@
+* c:\fossee\esim\library\subcircuitlibrary\74688\74688.cir
+
+.include 3_and.sub
+.include 4_and.sub
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u1-pad3_ net-_u3-pad3_ d_xnor
+* u4 net-_u1-pad4_ net-_u1-pad5_ net-_u4-pad3_ d_xnor
+* u5 net-_u1-pad6_ net-_u1-pad7_ net-_u5-pad3_ d_xnor
+* u6 net-_u1-pad8_ net-_u1-pad9_ net-_u6-pad3_ d_xnor
+* u7 net-_u1-pad10_ net-_u1-pad11_ net-_u7-pad3_ d_xnor
+* u8 net-_u1-pad12_ net-_u1-pad13_ net-_u8-pad3_ d_xnor
+* u9 net-_u1-pad14_ net-_u1-pad15_ net-_u11-pad1_ d_xnor
+* u10 net-_u1-pad16_ net-_u1-pad17_ net-_u10-pad3_ d_xnor
+x1 net-_u3-pad3_ net-_u4-pad3_ net-_u5-pad3_ net-_x1-pad4_ 3_and
+x2 net-_u6-pad3_ net-_u7-pad3_ net-_u8-pad3_ net-_x2-pad4_ 3_and
+* u11 net-_u11-pad1_ net-_u10-pad3_ net-_u11-pad3_ d_and
+x3 net-_u2-pad2_ net-_x1-pad4_ net-_x2-pad4_ net-_u11-pad3_ net-_u12-pad1_ 4_and
+* u12 net-_u12-pad1_ net-_u1-pad18_ d_inverter
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_u1-pad17_ net-_u1-pad18_ port
+a1 net-_u1-pad1_ net-_u2-pad2_ u2
+a2 [net-_u1-pad2_ net-_u1-pad3_ ] net-_u3-pad3_ u3
+a3 [net-_u1-pad4_ net-_u1-pad5_ ] net-_u4-pad3_ u4
+a4 [net-_u1-pad6_ net-_u1-pad7_ ] net-_u5-pad3_ u5
+a5 [net-_u1-pad8_ net-_u1-pad9_ ] net-_u6-pad3_ u6
+a6 [net-_u1-pad10_ net-_u1-pad11_ ] net-_u7-pad3_ u7
+a7 [net-_u1-pad12_ net-_u1-pad13_ ] net-_u8-pad3_ u8
+a8 [net-_u1-pad14_ net-_u1-pad15_ ] net-_u11-pad1_ u9
+a9 [net-_u1-pad16_ net-_u1-pad17_ ] net-_u10-pad3_ u10
+a10 [net-_u11-pad1_ net-_u10-pad3_ ] net-_u11-pad3_ u11
+a11 net-_u12-pad1_ net-_u1-pad18_ u12
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u3 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u4 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u5 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u6 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u7 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u8 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u9 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u10 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u11 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u12 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/SN74HC688/74688.pro b/library/SubcircuitLibrary/SN74HC688/74688.pro
new file mode 100644
index 00000000..b72f7f2d
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688.pro
@@ -0,0 +1,83 @@
+update=05/06/25 21:03:17
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/SN74HC688/74688.sch b/library/SubcircuitLibrary/SN74HC688/74688.sch
new file mode 100644
index 00000000..380c98cf
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688.sch
@@ -0,0 +1,514 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
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diff --git a/library/SubcircuitLibrary/SN74HC688/74688.sub b/library/SubcircuitLibrary/SN74HC688/74688.sub
new file mode 100644
index 00000000..d68463db
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688.sub
@@ -0,0 +1,55 @@
+* Subcircuit 74688
+.subckt 74688 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ net-_u1-pad15_ net-_u1-pad16_ net-_u1-pad17_ net-_u1-pad18_
+* c:\fossee\esim\library\subcircuitlibrary\74688\74688.cir
+.include 3_and.sub
+.include 4_and.sub
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u1-pad3_ net-_u3-pad3_ d_xnor
+* u4 net-_u1-pad4_ net-_u1-pad5_ net-_u4-pad3_ d_xnor
+* u5 net-_u1-pad6_ net-_u1-pad7_ net-_u5-pad3_ d_xnor
+* u6 net-_u1-pad8_ net-_u1-pad9_ net-_u6-pad3_ d_xnor
+* u7 net-_u1-pad10_ net-_u1-pad11_ net-_u7-pad3_ d_xnor
+* u8 net-_u1-pad12_ net-_u1-pad13_ net-_u8-pad3_ d_xnor
+* u9 net-_u1-pad14_ net-_u1-pad15_ net-_u11-pad1_ d_xnor
+* u10 net-_u1-pad16_ net-_u1-pad17_ net-_u10-pad3_ d_xnor
+x1 net-_u3-pad3_ net-_u4-pad3_ net-_u5-pad3_ net-_x1-pad4_ 3_and
+x2 net-_u6-pad3_ net-_u7-pad3_ net-_u8-pad3_ net-_x2-pad4_ 3_and
+* u11 net-_u11-pad1_ net-_u10-pad3_ net-_u11-pad3_ d_and
+x3 net-_u2-pad2_ net-_x1-pad4_ net-_x2-pad4_ net-_u11-pad3_ net-_u12-pad1_ 4_and
+* u12 net-_u12-pad1_ net-_u1-pad18_ d_inverter
+a1 net-_u1-pad1_ net-_u2-pad2_ u2
+a2 [net-_u1-pad2_ net-_u1-pad3_ ] net-_u3-pad3_ u3
+a3 [net-_u1-pad4_ net-_u1-pad5_ ] net-_u4-pad3_ u4
+a4 [net-_u1-pad6_ net-_u1-pad7_ ] net-_u5-pad3_ u5
+a5 [net-_u1-pad8_ net-_u1-pad9_ ] net-_u6-pad3_ u6
+a6 [net-_u1-pad10_ net-_u1-pad11_ ] net-_u7-pad3_ u7
+a7 [net-_u1-pad12_ net-_u1-pad13_ ] net-_u8-pad3_ u8
+a8 [net-_u1-pad14_ net-_u1-pad15_ ] net-_u11-pad1_ u9
+a9 [net-_u1-pad16_ net-_u1-pad17_ ] net-_u10-pad3_ u10
+a10 [net-_u11-pad1_ net-_u10-pad3_ ] net-_u11-pad3_ u11
+a11 net-_u12-pad1_ net-_u1-pad18_ u12
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u3 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u4 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u5 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u6 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u7 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u8 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u9 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_xnor, NgSpice Name: d_xnor
+.model u10 d_xnor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u11 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u12 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74688 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74HC688/74688_Previous_Values.xml b/library/SubcircuitLibrary/SN74HC688/74688_Previous_Values.xml
new file mode 100644
index 00000000..b87a5652
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/74688_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_inverter<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u2><u3 name="type">d_xnor<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_xnor<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_xnor<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u5><u6 name="type">d_xnor<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_xnor<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_xnor<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_xnor<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u9><u10 name="type">d_xnor<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u10><u11 name="type">d_and<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u11><u12 name="type">d_inverter<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u12></model><devicemodel /><subcircuit><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x2><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x3></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74HC688/analysis b/library/SubcircuitLibrary/SN74HC688/analysis
new file mode 100644
index 00000000..b7cf1aee
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74HC688/analysis
@@ -0,0 +1 @@
+.tran 10e-03 4e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS148/74148-cache.lib b/library/SubcircuitLibrary/SN74LS148/74148-cache.lib
new file mode 100644
index 00000000..3f72f50a
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148-cache.lib
@@ -0,0 +1,168 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 3_and
+#
+DEF 3_and X 0 40 Y Y 1 F N
+F0 "X" 100 -50 60 H V C CNN
+F1 "3_and" 150 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 150 50 158 716 -716 0 1 0 N 200 200 200 -100
+P 2 0 1 0 -150 200 200 200 N
+P 3 0 1 0 -150 200 -150 -100 200 -100 N
+X in1 1 -350 150 200 R 50 50 1 1 I
+X in2 2 -350 50 200 R 50 50 1 1 I
+X in3 3 -350 -50 200 R 50 50 1 1 I
+X out 4 500 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# 4_and
+#
+DEF 4_and X 0 40 Y Y 1 F N
+F0 "X" 50 -50 60 H V C CNN
+F1 "4_and" 100 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 100 0 206 760 -760 0 1 0 N 150 200 150 -200
+P 2 0 1 0 -200 200 150 200 N
+P 4 0 1 0 -200 200 -200 -200 50 -200 150 -200 N
+X in1 1 -400 150 200 R 50 50 1 1 I
+X in2 2 -400 50 200 R 50 50 1 1 I
+X in3 3 -400 -50 200 R 50 50 1 1 I
+X in4 4 -400 -150 200 R 50 50 1 1 I
+X out 5 500 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# 5_and
+#
+DEF 5_and X 0 40 Y Y 1 F N
+F0 "X" 50 -100 60 H V C CNN
+F1 "5_and" 100 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 100 0 255 787 -787 0 1 0 N 150 250 150 -250
+P 2 0 1 0 -250 250 150 250 N
+P 3 0 1 0 -250 250 -250 -250 150 -250 N
+X in1 1 -450 200 200 R 50 50 1 1 I
+X in2 2 -450 100 200 R 50 50 1 1 I
+X in3 3 -450 0 200 R 50 50 1 1 I
+X in4 4 -450 -100 200 R 50 50 1 1 I
+X in5 5 -450 -200 200 R 50 50 1 1 I
+X out 6 550 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nand
+#
+DEF d_nand U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nand" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nor
+#
+DEF d_nor U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nor" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 -250 -50 150 -50 N
+P 2 0 1 0 -250 150 150 150 N
+X IN1 1 -450 100 215 R 50 50 1 1 I
+X IN2 2 -450 0 215 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74LS148/74148.cir b/library/SubcircuitLibrary/SN74LS148/74148.cir
new file mode 100644
index 00000000..85cd484a
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148.cir
@@ -0,0 +1,55 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\74148\74148.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/19/25 14:31:21
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U2 Net-_U2-Pad1_ Net-_U2-Pad2_ d_inverter
+U11 Net-_U11-Pad1_ Net-_U11-Pad2_ Net-_U11-Pad3_ d_nor
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ d_nor
+U17 Net-_U10-Pad3_ Net-_U10-Pad3_ Net-_U17-Pad3_ d_nor
+U18 Net-_U11-Pad3_ Net-_U11-Pad3_ Net-_U18-Pad3_ d_nor
+U25 Net-_U17-Pad3_ Net-_U18-Pad3_ Net-_U1-Pad12_ d_nor
+U13 Net-_U13-Pad1_ Net-_U13-Pad2_ Net-_U13-Pad3_ d_nor
+U12 Net-_U12-Pad1_ Net-_U12-Pad2_ Net-_U12-Pad3_ d_nor
+U19 Net-_U12-Pad3_ Net-_U12-Pad3_ Net-_U19-Pad3_ d_nor
+U20 Net-_U13-Pad3_ Net-_U13-Pad3_ Net-_U20-Pad3_ d_nor
+U26 Net-_U19-Pad3_ Net-_U20-Pad3_ Net-_U1-Pad13_ d_nor
+U15 Net-_U15-Pad1_ Net-_U15-Pad2_ Net-_U15-Pad3_ d_nor
+U14 Net-_U14-Pad1_ Net-_U14-Pad2_ Net-_U14-Pad3_ d_nor
+U21 Net-_U14-Pad3_ Net-_U14-Pad3_ Net-_U21-Pad3_ d_nor
+U22 Net-_U15-Pad3_ Net-_U15-Pad3_ Net-_U22-Pad3_ d_nor
+U27 Net-_U21-Pad3_ Net-_U22-Pad3_ Net-_U1-Pad14_ d_nor
+U24 Net-_U1-Pad10_ Net-_U24-Pad2_ Net-_U1-Pad11_ d_nand
+X7 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U16-Pad1_ 5_and
+U16 Net-_U16-Pad1_ Net-_U16-Pad2_ Net-_U16-Pad3_ d_and
+U23 Net-_U16-Pad3_ Net-_U1-Pad10_ d_inverter
+X5 Net-_U37-Pad2_ Net-_U2-Pad2_ Net-_U30-Pad2_ Net-_U29-Pad2_ Net-_U24-Pad2_ Net-_U10-Pad1_ 5_and
+X2 Net-_U32-Pad2_ Net-_U30-Pad2_ Net-_U29-Pad2_ Net-_U24-Pad2_ Net-_U10-Pad2_ 4_and
+X1 Net-_U28-Pad1_ Net-_U29-Pad2_ Net-_U24-Pad2_ Net-_U11-Pad1_ 3_and
+U3 Net-_U3-Pad1_ Net-_U24-Pad2_ Net-_U11-Pad2_ d_and
+X3 Net-_U2-Pad1_ Net-_U30-Pad2_ Net-_U28-Pad2_ Net-_U24-Pad2_ Net-_U12-Pad1_ 4_and
+X4 Net-_U32-Pad2_ Net-_U30-Pad2_ Net-_U28-Pad2_ Net-_U24-Pad2_ Net-_U12-Pad2_ 4_and
+U4 Net-_U29-Pad1_ Net-_U24-Pad2_ Net-_U13-Pad1_ d_and
+U5 Net-_U3-Pad1_ Net-_U24-Pad2_ Net-_U13-Pad2_ d_and
+U6 Net-_U30-Pad1_ Net-_U24-Pad2_ Net-_U14-Pad1_ d_and
+U7 Net-_U28-Pad1_ Net-_U24-Pad2_ Net-_U14-Pad2_ d_and
+U8 Net-_U29-Pad1_ Net-_U24-Pad2_ Net-_U15-Pad1_ d_and
+U9 Net-_U3-Pad1_ Net-_U24-Pad2_ Net-_U15-Pad2_ d_and
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ PORT
+U30 Net-_U30-Pad1_ Net-_U30-Pad2_ d_inverter
+U28 Net-_U28-Pad1_ Net-_U28-Pad2_ d_inverter
+U29 Net-_U29-Pad1_ Net-_U29-Pad2_ d_inverter
+X6 Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U24-Pad2_ Net-_U16-Pad2_ 4_and
+U37 Net-_U1-Pad2_ Net-_U37-Pad2_ d_inverter
+U35 Net-_U1-Pad3_ Net-_U2-Pad1_ d_inverter
+U32 Net-_U1-Pad4_ Net-_U32-Pad2_ d_inverter
+U31 Net-_U1-Pad5_ Net-_U30-Pad1_ d_inverter
+U34 Net-_U1-Pad6_ Net-_U28-Pad1_ d_inverter
+U36 Net-_U1-Pad7_ Net-_U29-Pad1_ d_inverter
+U33 Net-_U1-Pad8_ Net-_U3-Pad1_ d_inverter
+U38 Net-_U1-Pad9_ Net-_U24-Pad2_ d_inverter
+
+.end
diff --git a/library/SubcircuitLibrary/SN74LS148/74148.cir.out b/library/SubcircuitLibrary/SN74LS148/74148.cir.out
new file mode 100644
index 00000000..c72b8440
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148.cir.out
@@ -0,0 +1,170 @@
+* c:\fossee\esim\library\subcircuitlibrary\74148\74148.cir
+
+.include 4_and.sub
+.include 3_and.sub
+.include 5_and.sub
+* u2 net-_u2-pad1_ net-_u2-pad2_ d_inverter
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_nor
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_nor
+* u17 net-_u10-pad3_ net-_u10-pad3_ net-_u17-pad3_ d_nor
+* u18 net-_u11-pad3_ net-_u11-pad3_ net-_u18-pad3_ d_nor
+* u25 net-_u17-pad3_ net-_u18-pad3_ net-_u1-pad12_ d_nor
+* u13 net-_u13-pad1_ net-_u13-pad2_ net-_u13-pad3_ d_nor
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ d_nor
+* u19 net-_u12-pad3_ net-_u12-pad3_ net-_u19-pad3_ d_nor
+* u20 net-_u13-pad3_ net-_u13-pad3_ net-_u20-pad3_ d_nor
+* u26 net-_u19-pad3_ net-_u20-pad3_ net-_u1-pad13_ d_nor
+* u15 net-_u15-pad1_ net-_u15-pad2_ net-_u15-pad3_ d_nor
+* u14 net-_u14-pad1_ net-_u14-pad2_ net-_u14-pad3_ d_nor
+* u21 net-_u14-pad3_ net-_u14-pad3_ net-_u21-pad3_ d_nor
+* u22 net-_u15-pad3_ net-_u15-pad3_ net-_u22-pad3_ d_nor
+* u27 net-_u21-pad3_ net-_u22-pad3_ net-_u1-pad14_ d_nor
+* u24 net-_u1-pad10_ net-_u24-pad2_ net-_u1-pad11_ d_nand
+x7 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u16-pad1_ 5_and
+* u16 net-_u16-pad1_ net-_u16-pad2_ net-_u16-pad3_ d_and
+* u23 net-_u16-pad3_ net-_u1-pad10_ d_inverter
+x5 net-_u37-pad2_ net-_u2-pad2_ net-_u30-pad2_ net-_u29-pad2_ net-_u24-pad2_ net-_u10-pad1_ 5_and
+x2 net-_u32-pad2_ net-_u30-pad2_ net-_u29-pad2_ net-_u24-pad2_ net-_u10-pad2_ 4_and
+x1 net-_u28-pad1_ net-_u29-pad2_ net-_u24-pad2_ net-_u11-pad1_ 3_and
+* u3 net-_u3-pad1_ net-_u24-pad2_ net-_u11-pad2_ d_and
+x3 net-_u2-pad1_ net-_u30-pad2_ net-_u28-pad2_ net-_u24-pad2_ net-_u12-pad1_ 4_and
+x4 net-_u32-pad2_ net-_u30-pad2_ net-_u28-pad2_ net-_u24-pad2_ net-_u12-pad2_ 4_and
+* u4 net-_u29-pad1_ net-_u24-pad2_ net-_u13-pad1_ d_and
+* u5 net-_u3-pad1_ net-_u24-pad2_ net-_u13-pad2_ d_and
+* u6 net-_u30-pad1_ net-_u24-pad2_ net-_u14-pad1_ d_and
+* u7 net-_u28-pad1_ net-_u24-pad2_ net-_u14-pad2_ d_and
+* u8 net-_u29-pad1_ net-_u24-pad2_ net-_u15-pad1_ d_and
+* u9 net-_u3-pad1_ net-_u24-pad2_ net-_u15-pad2_ d_and
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ port
+* u30 net-_u30-pad1_ net-_u30-pad2_ d_inverter
+* u28 net-_u28-pad1_ net-_u28-pad2_ d_inverter
+* u29 net-_u29-pad1_ net-_u29-pad2_ d_inverter
+x6 net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u24-pad2_ net-_u16-pad2_ 4_and
+* u37 net-_u1-pad2_ net-_u37-pad2_ d_inverter
+* u35 net-_u1-pad3_ net-_u2-pad1_ d_inverter
+* u32 net-_u1-pad4_ net-_u32-pad2_ d_inverter
+* u31 net-_u1-pad5_ net-_u30-pad1_ d_inverter
+* u34 net-_u1-pad6_ net-_u28-pad1_ d_inverter
+* u36 net-_u1-pad7_ net-_u29-pad1_ d_inverter
+* u33 net-_u1-pad8_ net-_u3-pad1_ d_inverter
+* u38 net-_u1-pad9_ net-_u24-pad2_ d_inverter
+a1 net-_u2-pad1_ net-_u2-pad2_ u2
+a2 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a3 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+a4 [net-_u10-pad3_ net-_u10-pad3_ ] net-_u17-pad3_ u17
+a5 [net-_u11-pad3_ net-_u11-pad3_ ] net-_u18-pad3_ u18
+a6 [net-_u17-pad3_ net-_u18-pad3_ ] net-_u1-pad12_ u25
+a7 [net-_u13-pad1_ net-_u13-pad2_ ] net-_u13-pad3_ u13
+a8 [net-_u12-pad1_ net-_u12-pad2_ ] net-_u12-pad3_ u12
+a9 [net-_u12-pad3_ net-_u12-pad3_ ] net-_u19-pad3_ u19
+a10 [net-_u13-pad3_ net-_u13-pad3_ ] net-_u20-pad3_ u20
+a11 [net-_u19-pad3_ net-_u20-pad3_ ] net-_u1-pad13_ u26
+a12 [net-_u15-pad1_ net-_u15-pad2_ ] net-_u15-pad3_ u15
+a13 [net-_u14-pad1_ net-_u14-pad2_ ] net-_u14-pad3_ u14
+a14 [net-_u14-pad3_ net-_u14-pad3_ ] net-_u21-pad3_ u21
+a15 [net-_u15-pad3_ net-_u15-pad3_ ] net-_u22-pad3_ u22
+a16 [net-_u21-pad3_ net-_u22-pad3_ ] net-_u1-pad14_ u27
+a17 [net-_u1-pad10_ net-_u24-pad2_ ] net-_u1-pad11_ u24
+a18 [net-_u16-pad1_ net-_u16-pad2_ ] net-_u16-pad3_ u16
+a19 net-_u16-pad3_ net-_u1-pad10_ u23
+a20 [net-_u3-pad1_ net-_u24-pad2_ ] net-_u11-pad2_ u3
+a21 [net-_u29-pad1_ net-_u24-pad2_ ] net-_u13-pad1_ u4
+a22 [net-_u3-pad1_ net-_u24-pad2_ ] net-_u13-pad2_ u5
+a23 [net-_u30-pad1_ net-_u24-pad2_ ] net-_u14-pad1_ u6
+a24 [net-_u28-pad1_ net-_u24-pad2_ ] net-_u14-pad2_ u7
+a25 [net-_u29-pad1_ net-_u24-pad2_ ] net-_u15-pad1_ u8
+a26 [net-_u3-pad1_ net-_u24-pad2_ ] net-_u15-pad2_ u9
+a27 net-_u30-pad1_ net-_u30-pad2_ u30
+a28 net-_u28-pad1_ net-_u28-pad2_ u28
+a29 net-_u29-pad1_ net-_u29-pad2_ u29
+a30 net-_u1-pad2_ net-_u37-pad2_ u37
+a31 net-_u1-pad3_ net-_u2-pad1_ u35
+a32 net-_u1-pad4_ net-_u32-pad2_ u32
+a33 net-_u1-pad5_ net-_u30-pad1_ u31
+a34 net-_u1-pad6_ net-_u28-pad1_ u34
+a35 net-_u1-pad7_ net-_u29-pad1_ u36
+a36 net-_u1-pad8_ net-_u3-pad1_ u33
+a37 net-_u1-pad9_ net-_u24-pad2_ u38
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u11 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u10 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u17 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u18 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u25 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u13 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u12 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u19 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u20 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u26 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u15 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u14 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u21 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u22 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u27 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u24 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u23 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u3 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u4 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u5 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u6 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u7 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u8 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u9 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u30 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u28 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u29 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u37 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u35 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u32 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u31 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u34 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u36 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u33 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u38 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/SN74LS148/74148.pro b/library/SubcircuitLibrary/SN74LS148/74148.pro
new file mode 100644
index 00000000..f2514212
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148.pro
@@ -0,0 +1,83 @@
+update=05/06/25 20:59:52
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/SN74LS148/74148.sch b/library/SubcircuitLibrary/SN74LS148/74148.sch
new file mode 100644
index 00000000..30059d36
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148.sch
@@ -0,0 +1,1070 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+LIBS:74148-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
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diff --git a/library/SubcircuitLibrary/SN74LS148/74148.sub b/library/SubcircuitLibrary/SN74LS148/74148.sub
new file mode 100644
index 00000000..a4dc5a51
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148.sub
@@ -0,0 +1,164 @@
+* Subcircuit 74148
+.subckt 74148 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_
+* c:\fossee\esim\library\subcircuitlibrary\74148\74148.cir
+.include 4_and.sub
+.include 3_and.sub
+.include 5_and.sub
+* u2 net-_u2-pad1_ net-_u2-pad2_ d_inverter
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_nor
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_nor
+* u17 net-_u10-pad3_ net-_u10-pad3_ net-_u17-pad3_ d_nor
+* u18 net-_u11-pad3_ net-_u11-pad3_ net-_u18-pad3_ d_nor
+* u25 net-_u17-pad3_ net-_u18-pad3_ net-_u1-pad12_ d_nor
+* u13 net-_u13-pad1_ net-_u13-pad2_ net-_u13-pad3_ d_nor
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ d_nor
+* u19 net-_u12-pad3_ net-_u12-pad3_ net-_u19-pad3_ d_nor
+* u20 net-_u13-pad3_ net-_u13-pad3_ net-_u20-pad3_ d_nor
+* u26 net-_u19-pad3_ net-_u20-pad3_ net-_u1-pad13_ d_nor
+* u15 net-_u15-pad1_ net-_u15-pad2_ net-_u15-pad3_ d_nor
+* u14 net-_u14-pad1_ net-_u14-pad2_ net-_u14-pad3_ d_nor
+* u21 net-_u14-pad3_ net-_u14-pad3_ net-_u21-pad3_ d_nor
+* u22 net-_u15-pad3_ net-_u15-pad3_ net-_u22-pad3_ d_nor
+* u27 net-_u21-pad3_ net-_u22-pad3_ net-_u1-pad14_ d_nor
+* u24 net-_u1-pad10_ net-_u24-pad2_ net-_u1-pad11_ d_nand
+x7 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u16-pad1_ 5_and
+* u16 net-_u16-pad1_ net-_u16-pad2_ net-_u16-pad3_ d_and
+* u23 net-_u16-pad3_ net-_u1-pad10_ d_inverter
+x5 net-_u37-pad2_ net-_u2-pad2_ net-_u30-pad2_ net-_u29-pad2_ net-_u24-pad2_ net-_u10-pad1_ 5_and
+x2 net-_u32-pad2_ net-_u30-pad2_ net-_u29-pad2_ net-_u24-pad2_ net-_u10-pad2_ 4_and
+x1 net-_u28-pad1_ net-_u29-pad2_ net-_u24-pad2_ net-_u11-pad1_ 3_and
+* u3 net-_u3-pad1_ net-_u24-pad2_ net-_u11-pad2_ d_and
+x3 net-_u2-pad1_ net-_u30-pad2_ net-_u28-pad2_ net-_u24-pad2_ net-_u12-pad1_ 4_and
+x4 net-_u32-pad2_ net-_u30-pad2_ net-_u28-pad2_ net-_u24-pad2_ net-_u12-pad2_ 4_and
+* u4 net-_u29-pad1_ net-_u24-pad2_ net-_u13-pad1_ d_and
+* u5 net-_u3-pad1_ net-_u24-pad2_ net-_u13-pad2_ d_and
+* u6 net-_u30-pad1_ net-_u24-pad2_ net-_u14-pad1_ d_and
+* u7 net-_u28-pad1_ net-_u24-pad2_ net-_u14-pad2_ d_and
+* u8 net-_u29-pad1_ net-_u24-pad2_ net-_u15-pad1_ d_and
+* u9 net-_u3-pad1_ net-_u24-pad2_ net-_u15-pad2_ d_and
+* u30 net-_u30-pad1_ net-_u30-pad2_ d_inverter
+* u28 net-_u28-pad1_ net-_u28-pad2_ d_inverter
+* u29 net-_u29-pad1_ net-_u29-pad2_ d_inverter
+x6 net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u24-pad2_ net-_u16-pad2_ 4_and
+* u37 net-_u1-pad2_ net-_u37-pad2_ d_inverter
+* u35 net-_u1-pad3_ net-_u2-pad1_ d_inverter
+* u32 net-_u1-pad4_ net-_u32-pad2_ d_inverter
+* u31 net-_u1-pad5_ net-_u30-pad1_ d_inverter
+* u34 net-_u1-pad6_ net-_u28-pad1_ d_inverter
+* u36 net-_u1-pad7_ net-_u29-pad1_ d_inverter
+* u33 net-_u1-pad8_ net-_u3-pad1_ d_inverter
+* u38 net-_u1-pad9_ net-_u24-pad2_ d_inverter
+a1 net-_u2-pad1_ net-_u2-pad2_ u2
+a2 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a3 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+a4 [net-_u10-pad3_ net-_u10-pad3_ ] net-_u17-pad3_ u17
+a5 [net-_u11-pad3_ net-_u11-pad3_ ] net-_u18-pad3_ u18
+a6 [net-_u17-pad3_ net-_u18-pad3_ ] net-_u1-pad12_ u25
+a7 [net-_u13-pad1_ net-_u13-pad2_ ] net-_u13-pad3_ u13
+a8 [net-_u12-pad1_ net-_u12-pad2_ ] net-_u12-pad3_ u12
+a9 [net-_u12-pad3_ net-_u12-pad3_ ] net-_u19-pad3_ u19
+a10 [net-_u13-pad3_ net-_u13-pad3_ ] net-_u20-pad3_ u20
+a11 [net-_u19-pad3_ net-_u20-pad3_ ] net-_u1-pad13_ u26
+a12 [net-_u15-pad1_ net-_u15-pad2_ ] net-_u15-pad3_ u15
+a13 [net-_u14-pad1_ net-_u14-pad2_ ] net-_u14-pad3_ u14
+a14 [net-_u14-pad3_ net-_u14-pad3_ ] net-_u21-pad3_ u21
+a15 [net-_u15-pad3_ net-_u15-pad3_ ] net-_u22-pad3_ u22
+a16 [net-_u21-pad3_ net-_u22-pad3_ ] net-_u1-pad14_ u27
+a17 [net-_u1-pad10_ net-_u24-pad2_ ] net-_u1-pad11_ u24
+a18 [net-_u16-pad1_ net-_u16-pad2_ ] net-_u16-pad3_ u16
+a19 net-_u16-pad3_ net-_u1-pad10_ u23
+a20 [net-_u3-pad1_ net-_u24-pad2_ ] net-_u11-pad2_ u3
+a21 [net-_u29-pad1_ net-_u24-pad2_ ] net-_u13-pad1_ u4
+a22 [net-_u3-pad1_ net-_u24-pad2_ ] net-_u13-pad2_ u5
+a23 [net-_u30-pad1_ net-_u24-pad2_ ] net-_u14-pad1_ u6
+a24 [net-_u28-pad1_ net-_u24-pad2_ ] net-_u14-pad2_ u7
+a25 [net-_u29-pad1_ net-_u24-pad2_ ] net-_u15-pad1_ u8
+a26 [net-_u3-pad1_ net-_u24-pad2_ ] net-_u15-pad2_ u9
+a27 net-_u30-pad1_ net-_u30-pad2_ u30
+a28 net-_u28-pad1_ net-_u28-pad2_ u28
+a29 net-_u29-pad1_ net-_u29-pad2_ u29
+a30 net-_u1-pad2_ net-_u37-pad2_ u37
+a31 net-_u1-pad3_ net-_u2-pad1_ u35
+a32 net-_u1-pad4_ net-_u32-pad2_ u32
+a33 net-_u1-pad5_ net-_u30-pad1_ u31
+a34 net-_u1-pad6_ net-_u28-pad1_ u34
+a35 net-_u1-pad7_ net-_u29-pad1_ u36
+a36 net-_u1-pad8_ net-_u3-pad1_ u33
+a37 net-_u1-pad9_ net-_u24-pad2_ u38
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u11 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u10 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u17 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u18 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u25 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u13 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u12 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u19 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u20 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u26 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u15 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u14 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u21 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u22 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nor, NgSpice Name: d_nor
+.model u27 d_nor(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u24 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u23 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u3 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u4 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u5 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u6 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u7 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u8 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u9 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u30 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u28 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u29 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u37 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u35 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u32 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u31 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u34 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u36 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u33 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u38 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74148 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS148/74148_Previous_Values.xml b/library/SubcircuitLibrary/SN74LS148/74148_Previous_Values.xml
new file mode 100644
index 00000000..590eac2d
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/74148_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_inverter<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u2><u11 name="type">d_nor<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u11><u10 name="type">d_nor<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u10><u17 name="type">d_nor<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u17><u18 name="type">d_nor<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u18><u25 name="type">d_nor<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u25><u13 name="type">d_nor<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u13><u12 name="type">d_nor<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u12><u19 name="type">d_nor<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u19><u20 name="type">d_nor<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u20><u26 name="type">d_nor<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u26><u15 name="type">d_nor<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u15><u14 name="type">d_nor<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u14><u21 name="type">d_nor<field40 name="Enter Rise Delay (default=1.0e-9)" /><field41 name="Enter Fall Delay (default=1.0e-9)" /><field42 name="Enter Input Load (default=1.0e-12)" /></u21><u22 name="type">d_nor<field43 name="Enter Rise Delay (default=1.0e-9)" /><field44 name="Enter Fall Delay (default=1.0e-9)" /><field45 name="Enter Input Load (default=1.0e-12)" /></u22><u27 name="type">d_nor<field46 name="Enter Rise Delay (default=1.0e-9)" /><field47 name="Enter Fall Delay (default=1.0e-9)" /><field48 name="Enter Input Load (default=1.0e-12)" /></u27><u24 name="type">d_nand<field49 name="Enter Rise Delay (default=1.0e-9)" /><field50 name="Enter Fall Delay (default=1.0e-9)" /><field51 name="Enter Input Load (default=1.0e-12)" /></u24><u16 name="type">d_and<field52 name="Enter Rise Delay (default=1.0e-9)" /><field53 name="Enter Fall Delay (default=1.0e-9)" /><field54 name="Enter Input Load (default=1.0e-12)" /></u16><u23 name="type">d_inverter<field55 name="Enter Rise Delay (default=1.0e-9)" /><field56 name="Enter Fall Delay (default=1.0e-9)" /><field57 name="Enter Input Load (default=1.0e-12)" /></u23><u3 name="type">d_and<field58 name="Enter Rise Delay (default=1.0e-9)" /><field59 name="Enter Fall Delay (default=1.0e-9)" /><field60 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_and<field61 name="Enter Rise Delay (default=1.0e-9)" /><field62 name="Enter Fall Delay (default=1.0e-9)" /><field63 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_and<field64 name="Enter Rise Delay (default=1.0e-9)" /><field65 name="Enter Fall Delay (default=1.0e-9)" /><field66 name="Enter Input Load (default=1.0e-12)" /></u5><u6 name="type">d_and<field67 name="Enter Rise Delay (default=1.0e-9)" /><field68 name="Enter Fall Delay (default=1.0e-9)" /><field69 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_and<field70 name="Enter Rise Delay (default=1.0e-9)" /><field71 name="Enter Fall Delay (default=1.0e-9)" /><field72 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_and<field73 name="Enter Rise Delay (default=1.0e-9)" /><field74 name="Enter Fall Delay (default=1.0e-9)" /><field75 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_and<field76 name="Enter Rise Delay (default=1.0e-9)" /><field77 name="Enter Fall Delay (default=1.0e-9)" /><field78 name="Enter Input Load (default=1.0e-12)" /></u9><u30 name="type">d_inverter<field79 name="Enter Rise Delay (default=1.0e-9)" /><field80 name="Enter Fall Delay (default=1.0e-9)" /><field81 name="Enter Input Load (default=1.0e-12)" /></u30><u28 name="type">d_inverter<field82 name="Enter Rise Delay (default=1.0e-9)" /><field83 name="Enter Fall Delay (default=1.0e-9)" /><field84 name="Enter Input Load (default=1.0e-12)" /></u28><u29 name="type">d_inverter<field85 name="Enter Rise Delay (default=1.0e-9)" /><field86 name="Enter Fall Delay (default=1.0e-9)" /><field87 name="Enter Input Load (default=1.0e-12)" /></u29><u37 name="type">d_inverter<field88 name="Enter Rise Delay (default=1.0e-9)" /><field89 name="Enter Fall Delay (default=1.0e-9)" /><field90 name="Enter Input Load (default=1.0e-12)" /></u37><u35 name="type">d_inverter<field91 name="Enter Rise Delay (default=1.0e-9)" /><field92 name="Enter Fall Delay (default=1.0e-9)" /><field93 name="Enter Input Load (default=1.0e-12)" /></u35><u32 name="type">d_inverter<field94 name="Enter Rise Delay (default=1.0e-9)" /><field95 name="Enter Fall Delay (default=1.0e-9)" /><field96 name="Enter Input Load (default=1.0e-12)" /></u32><u31 name="type">d_inverter<field97 name="Enter Rise Delay (default=1.0e-9)" /><field98 name="Enter Fall Delay (default=1.0e-9)" /><field99 name="Enter Input Load (default=1.0e-12)" /></u31><u34 name="type">d_inverter<field100 name="Enter Rise Delay (default=1.0e-9)" /><field101 name="Enter Fall Delay (default=1.0e-9)" /><field102 name="Enter Input Load (default=1.0e-12)" /></u34><u36 name="type">d_inverter<field103 name="Enter Rise Delay (default=1.0e-9)" /><field104 name="Enter Fall Delay (default=1.0e-9)" /><field105 name="Enter Input Load (default=1.0e-12)" /></u36><u33 name="type">d_inverter<field106 name="Enter Rise Delay (default=1.0e-9)" /><field107 name="Enter Fall Delay (default=1.0e-9)" /><field108 name="Enter Input Load (default=1.0e-12)" /></u33><u38 name="type">d_inverter<field109 name="Enter Rise Delay (default=1.0e-9)" /><field110 name="Enter Fall Delay (default=1.0e-9)" /><field111 name="Enter Input Load (default=1.0e-12)" /></u38></model><devicemodel /><subcircuit><x7><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\5_and</field></x7><x5><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\5_and</field></x5><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x2><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x3><x4><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x4><x6><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x6></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS148/analysis b/library/SubcircuitLibrary/SN74LS148/analysis
new file mode 100644
index 00000000..7dec7ebc
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS148/analysis
@@ -0,0 +1 @@
+.tran 10e-03 50e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS151/74151-cache.lib b/library/SubcircuitLibrary/SN74LS151/74151-cache.lib
new file mode 100644
index 00000000..63457e0b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151-cache.lib
@@ -0,0 +1,113 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 4_and
+#
+DEF 4_and X 0 40 Y Y 1 F N
+F0 "X" 50 -50 60 H V C CNN
+F1 "4_and" 100 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 100 0 206 760 -760 0 1 0 N 150 200 150 -200
+P 2 0 1 0 -200 200 150 200 N
+P 4 0 1 0 -200 200 -200 -200 50 -200 150 -200 N
+X in1 1 -400 150 200 R 50 50 1 1 I
+X in2 2 -400 50 200 R 50 50 1 1 I
+X in3 3 -400 -50 200 R 50 50 1 1 I
+X in4 4 -400 -150 200 R 50 50 1 1 I
+X out 5 500 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_or
+#
+DEF d_or U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_or" 0 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 -250 -50 150 -50 N
+P 2 0 1 0 -250 150 150 150 N
+X IN1 1 -450 100 215 R 50 50 1 1 I
+X IN2 2 -450 0 215 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74LS151/74151.cir b/library/SubcircuitLibrary/SN74LS151/74151.cir
new file mode 100644
index 00000000..b01b335b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151.cir
@@ -0,0 +1,35 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\74151\74151.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/18/25 20:22:13
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U5 Net-_U1-Pad4_ Net-_U16-Pad1_ d_inverter
+X1 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U4-Pad2_ Net-_U1-Pad5_ Net-_U11-Pad1_ 4_and
+X2 Net-_U6-Pad2_ Net-_U3-Pad2_ Net-_U4-Pad2_ Net-_U1-Pad6_ Net-_U11-Pad2_ 4_and
+X3 Net-_U2-Pad2_ Net-_U7-Pad2_ Net-_U4-Pad2_ Net-_U1-Pad7_ Net-_U13-Pad2_ 4_and
+X4 Net-_U6-Pad2_ Net-_U7-Pad2_ Net-_U4-Pad2_ Net-_U1-Pad8_ Net-_U14-Pad2_ 4_and
+X5 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U8-Pad2_ Net-_U1-Pad9_ Net-_U12-Pad1_ 4_and
+X6 Net-_U6-Pad2_ Net-_U3-Pad2_ Net-_U8-Pad2_ Net-_U1-Pad10_ Net-_U12-Pad2_ 4_and
+X7 Net-_U2-Pad2_ Net-_U7-Pad2_ Net-_U8-Pad2_ Net-_U1-Pad11_ Net-_U9-Pad2_ 4_and
+X8 Net-_U6-Pad2_ Net-_U7-Pad2_ Net-_U8-Pad2_ Net-_U1-Pad12_ Net-_U10-Pad2_ 4_and
+U11 Net-_U11-Pad1_ Net-_U11-Pad2_ Net-_U11-Pad3_ d_or
+U13 Net-_U11-Pad3_ Net-_U13-Pad2_ Net-_U13-Pad3_ d_or
+U14 Net-_U13-Pad3_ Net-_U14-Pad2_ Net-_U14-Pad3_ d_or
+U12 Net-_U12-Pad1_ Net-_U12-Pad2_ Net-_U12-Pad3_ d_or
+U9 Net-_U12-Pad3_ Net-_U9-Pad2_ Net-_U10-Pad1_ d_or
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ d_or
+U15 Net-_U14-Pad3_ Net-_U10-Pad3_ Net-_U15-Pad3_ d_or
+U16 Net-_U16-Pad1_ Net-_U15-Pad3_ Net-_U1-Pad13_ d_and
+U17 Net-_U1-Pad13_ Net-_U1-Pad14_ d_inverter
+U2 Net-_U1-Pad1_ Net-_U2-Pad2_ d_inverter
+U6 Net-_U2-Pad2_ Net-_U6-Pad2_ d_inverter
+U3 Net-_U1-Pad2_ Net-_U3-Pad2_ d_inverter
+U7 Net-_U3-Pad2_ Net-_U7-Pad2_ d_inverter
+U4 Net-_U1-Pad3_ Net-_U4-Pad2_ d_inverter
+U8 Net-_U4-Pad2_ Net-_U8-Pad2_ d_inverter
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/SN74LS151/74151.cir.out b/library/SubcircuitLibrary/SN74LS151/74151.cir.out
new file mode 100644
index 00000000..141a4401
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151.cir.out
@@ -0,0 +1,85 @@
+* c:\fossee\esim\library\subcircuitlibrary\74151\74151.cir
+
+.include 4_and.sub
+* u5 net-_u1-pad4_ net-_u16-pad1_ d_inverter
+x1 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad2_ net-_u1-pad5_ net-_u11-pad1_ 4_and
+x2 net-_u6-pad2_ net-_u3-pad2_ net-_u4-pad2_ net-_u1-pad6_ net-_u11-pad2_ 4_and
+x3 net-_u2-pad2_ net-_u7-pad2_ net-_u4-pad2_ net-_u1-pad7_ net-_u13-pad2_ 4_and
+x4 net-_u6-pad2_ net-_u7-pad2_ net-_u4-pad2_ net-_u1-pad8_ net-_u14-pad2_ 4_and
+x5 net-_u2-pad2_ net-_u3-pad2_ net-_u8-pad2_ net-_u1-pad9_ net-_u12-pad1_ 4_and
+x6 net-_u6-pad2_ net-_u3-pad2_ net-_u8-pad2_ net-_u1-pad10_ net-_u12-pad2_ 4_and
+x7 net-_u2-pad2_ net-_u7-pad2_ net-_u8-pad2_ net-_u1-pad11_ net-_u9-pad2_ 4_and
+x8 net-_u6-pad2_ net-_u7-pad2_ net-_u8-pad2_ net-_u1-pad12_ net-_u10-pad2_ 4_and
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_or
+* u13 net-_u11-pad3_ net-_u13-pad2_ net-_u13-pad3_ d_or
+* u14 net-_u13-pad3_ net-_u14-pad2_ net-_u14-pad3_ d_or
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ d_or
+* u9 net-_u12-pad3_ net-_u9-pad2_ net-_u10-pad1_ d_or
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_or
+* u15 net-_u14-pad3_ net-_u10-pad3_ net-_u15-pad3_ d_or
+* u16 net-_u16-pad1_ net-_u15-pad3_ net-_u1-pad13_ d_and
+* u17 net-_u1-pad13_ net-_u1-pad14_ d_inverter
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u6 net-_u2-pad2_ net-_u6-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u3-pad2_ d_inverter
+* u7 net-_u3-pad2_ net-_u7-pad2_ d_inverter
+* u4 net-_u1-pad3_ net-_u4-pad2_ d_inverter
+* u8 net-_u4-pad2_ net-_u8-pad2_ d_inverter
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ port
+a1 net-_u1-pad4_ net-_u16-pad1_ u5
+a2 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a3 [net-_u11-pad3_ net-_u13-pad2_ ] net-_u13-pad3_ u13
+a4 [net-_u13-pad3_ net-_u14-pad2_ ] net-_u14-pad3_ u14
+a5 [net-_u12-pad1_ net-_u12-pad2_ ] net-_u12-pad3_ u12
+a6 [net-_u12-pad3_ net-_u9-pad2_ ] net-_u10-pad1_ u9
+a7 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+a8 [net-_u14-pad3_ net-_u10-pad3_ ] net-_u15-pad3_ u15
+a9 [net-_u16-pad1_ net-_u15-pad3_ ] net-_u1-pad13_ u16
+a10 net-_u1-pad13_ net-_u1-pad14_ u17
+a11 net-_u1-pad1_ net-_u2-pad2_ u2
+a12 net-_u2-pad2_ net-_u6-pad2_ u6
+a13 net-_u1-pad2_ net-_u3-pad2_ u3
+a14 net-_u3-pad2_ net-_u7-pad2_ u7
+a15 net-_u1-pad3_ net-_u4-pad2_ u4
+a16 net-_u4-pad2_ net-_u8-pad2_ u8
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u5 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u11 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u13 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u14 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u12 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u9 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u10 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u15 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u17 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/SN74LS151/74151.pro b/library/SubcircuitLibrary/SN74LS151/74151.pro
new file mode 100644
index 00000000..ad9ee7a2
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151.pro
@@ -0,0 +1,83 @@
+update=05/06/25 20:58:57
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/SN74LS151/74151.sch b/library/SubcircuitLibrary/SN74LS151/74151.sch
new file mode 100644
index 00000000..373289ec
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151.sch
@@ -0,0 +1,736 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
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+Comment2 ""
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+F 3 "" H 2350 1150 60 0000 C CNN
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+$Comp
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+$Comp
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+$Comp
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+$Comp
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+$Comp
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+$Comp
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+$EndComp
+$Comp
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+$EndComp
+$Comp
+L d_or U9
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+$EndComp
+$Comp
+L d_or U10
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+$EndComp
+$Comp
+L d_or U15
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+F 3 "" H 1750 5600 60 0000 C CNN
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+$EndComp
+$Comp
+L d_inverter U6
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+F 3 "" H 2500 5600 60 0000 C CNN
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+$EndComp
+$Comp
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+F 3 "" H 1750 6050 60 0000 C CNN
+ 1 1700 6100
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+$EndComp
+$Comp
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+F 2 "" H 2500 6100 60 0000 C CNN
+F 3 "" H 2500 6100 60 0000 C CNN
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+$EndComp
+$Comp
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+F 1 "d_inverter" H 1700 6750 60 0000 C CNN
+F 2 "" H 1750 6550 60 0000 C CNN
+F 3 "" H 1750 6550 60 0000 C CNN
+ 1 1700 6600
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U8
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+F 0 "U8" H 2500 6500 60 0000 C CNN
+F 1 "d_inverter" H 2500 6750 60 0000 C CNN
+F 2 "" H 2550 6550 60 0000 C CNN
+F 3 "" H 2550 6550 60 0000 C CNN
+ 1 2500 6600
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+$EndComp
+$Comp
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+F 2 "" H 1050 1200 60 0000 C CNN
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+$EndComp
+$Comp
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+F 1 "PORT" H 1050 1950 30 0000 C CNN
+F 2 "" H 1050 1950 60 0000 C CNN
+F 3 "" H 1050 1950 60 0000 C CNN
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+$EndComp
+$Comp
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+ 1 0 0 -1
+$EndComp
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+F 2 "" H 1050 2900 60 0000 C CNN
+F 3 "" H 1050 2900 60 0000 C CNN
+ 7 1050 2900
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 1 "PORT" H 1050 3350 30 0000 C CNN
+F 2 "" H 1050 3350 60 0000 C CNN
+F 3 "" H 1050 3350 60 0000 C CNN
+ 8 1050 3350
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+$EndComp
+$Comp
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+F 2 "" H 1050 3800 60 0000 C CNN
+F 3 "" H 1050 3800 60 0000 C CNN
+ 9 1050 3800
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+$EndComp
+$Comp
+L PORT U1
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+F 1 "PORT" H 1050 4250 30 0000 C CNN
+F 2 "" H 1050 4250 60 0000 C CNN
+F 3 "" H 1050 4250 60 0000 C CNN
+ 10 1050 4250
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 2 "" H 1050 4700 60 0000 C CNN
+F 3 "" H 1050 4700 60 0000 C CNN
+ 11 1050 4700
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
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+F 0 "U1" H 1100 5350 30 0000 C CNN
+F 1 "PORT" H 1050 5250 30 0000 C CNN
+F 2 "" H 1050 5250 60 0000 C CNN
+F 3 "" H 1050 5250 60 0000 C CNN
+ 12 1050 5250
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 1 1 68026020
+P 950 5650
+F 0 "U1" H 1000 5750 30 0000 C CNN
+F 1 "PORT" H 950 5650 30 0000 C CNN
+F 2 "" H 950 5650 60 0000 C CNN
+F 3 "" H 950 5650 60 0000 C CNN
+ 1 950 5650
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6802607F
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+F 1 "PORT" H 950 6100 30 0000 C CNN
+F 2 "" H 950 6100 60 0000 C CNN
+F 3 "" H 950 6100 60 0000 C CNN
+ 2 950 6100
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 680260DC
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+F 0 "U1" H 1000 6700 30 0000 C CNN
+F 1 "PORT" H 950 6600 30 0000 C CNN
+F 2 "" H 950 6600 60 0000 C CNN
+F 3 "" H 950 6600 60 0000 C CNN
+ 3 950 6600
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
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+F 1 "PORT" H 11000 3300 30 0000 C CNN
+F 2 "" H 11000 3300 60 0000 C CNN
+F 3 "" H 11000 3300 60 0000 C CNN
+ 13 11000 3300
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
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+F 1 "PORT" H 11150 3600 30 0000 C CNN
+F 2 "" H 11150 3600 60 0000 C CNN
+F 3 "" H 11150 3600 60 0000 C CNN
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+$EndComp
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/SN74LS151/74151.sub b/library/SubcircuitLibrary/SN74LS151/74151.sub
new file mode 100644
index 00000000..c53f323b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151.sub
@@ -0,0 +1,79 @@
+* Subcircuit 74151
+.subckt 74151 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_
+* c:\fossee\esim\library\subcircuitlibrary\74151\74151.cir
+.include 4_and.sub
+* u5 net-_u1-pad4_ net-_u16-pad1_ d_inverter
+x1 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad2_ net-_u1-pad5_ net-_u11-pad1_ 4_and
+x2 net-_u6-pad2_ net-_u3-pad2_ net-_u4-pad2_ net-_u1-pad6_ net-_u11-pad2_ 4_and
+x3 net-_u2-pad2_ net-_u7-pad2_ net-_u4-pad2_ net-_u1-pad7_ net-_u13-pad2_ 4_and
+x4 net-_u6-pad2_ net-_u7-pad2_ net-_u4-pad2_ net-_u1-pad8_ net-_u14-pad2_ 4_and
+x5 net-_u2-pad2_ net-_u3-pad2_ net-_u8-pad2_ net-_u1-pad9_ net-_u12-pad1_ 4_and
+x6 net-_u6-pad2_ net-_u3-pad2_ net-_u8-pad2_ net-_u1-pad10_ net-_u12-pad2_ 4_and
+x7 net-_u2-pad2_ net-_u7-pad2_ net-_u8-pad2_ net-_u1-pad11_ net-_u9-pad2_ 4_and
+x8 net-_u6-pad2_ net-_u7-pad2_ net-_u8-pad2_ net-_u1-pad12_ net-_u10-pad2_ 4_and
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_or
+* u13 net-_u11-pad3_ net-_u13-pad2_ net-_u13-pad3_ d_or
+* u14 net-_u13-pad3_ net-_u14-pad2_ net-_u14-pad3_ d_or
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ d_or
+* u9 net-_u12-pad3_ net-_u9-pad2_ net-_u10-pad1_ d_or
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_or
+* u15 net-_u14-pad3_ net-_u10-pad3_ net-_u15-pad3_ d_or
+* u16 net-_u16-pad1_ net-_u15-pad3_ net-_u1-pad13_ d_and
+* u17 net-_u1-pad13_ net-_u1-pad14_ d_inverter
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u6 net-_u2-pad2_ net-_u6-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u3-pad2_ d_inverter
+* u7 net-_u3-pad2_ net-_u7-pad2_ d_inverter
+* u4 net-_u1-pad3_ net-_u4-pad2_ d_inverter
+* u8 net-_u4-pad2_ net-_u8-pad2_ d_inverter
+a1 net-_u1-pad4_ net-_u16-pad1_ u5
+a2 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a3 [net-_u11-pad3_ net-_u13-pad2_ ] net-_u13-pad3_ u13
+a4 [net-_u13-pad3_ net-_u14-pad2_ ] net-_u14-pad3_ u14
+a5 [net-_u12-pad1_ net-_u12-pad2_ ] net-_u12-pad3_ u12
+a6 [net-_u12-pad3_ net-_u9-pad2_ ] net-_u10-pad1_ u9
+a7 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+a8 [net-_u14-pad3_ net-_u10-pad3_ ] net-_u15-pad3_ u15
+a9 [net-_u16-pad1_ net-_u15-pad3_ ] net-_u1-pad13_ u16
+a10 net-_u1-pad13_ net-_u1-pad14_ u17
+a11 net-_u1-pad1_ net-_u2-pad2_ u2
+a12 net-_u2-pad2_ net-_u6-pad2_ u6
+a13 net-_u1-pad2_ net-_u3-pad2_ u3
+a14 net-_u3-pad2_ net-_u7-pad2_ u7
+a15 net-_u1-pad3_ net-_u4-pad2_ u4
+a16 net-_u4-pad2_ net-_u8-pad2_ u8
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u5 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u11 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u13 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u14 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u12 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u9 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u10 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u15 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u16 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u17 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u7 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u8 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74151 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS151/74151_Previous_Values.xml b/library/SubcircuitLibrary/SN74LS151/74151_Previous_Values.xml
new file mode 100644
index 00000000..8ebb72a7
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/74151_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u5 name="type">d_inverter<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u5><u11 name="type">d_or<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u11><u13 name="type">d_or<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u13><u14 name="type">d_or<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u14><u12 name="type">d_or<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u12><u9 name="type">d_or<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u9><u10 name="type">d_or<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u10><u15 name="type">d_or<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u15><u16 name="type">d_and<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u16><u17 name="type">d_inverter<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u17><u2 name="type">d_inverter<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u2><u6 name="type">d_inverter<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u6><u3 name="type">d_inverter<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u3><u7 name="type">d_inverter<field40 name="Enter Rise Delay (default=1.0e-9)" /><field41 name="Enter Fall Delay (default=1.0e-9)" /><field42 name="Enter Input Load (default=1.0e-12)" /></u7><u4 name="type">d_inverter<field43 name="Enter Rise Delay (default=1.0e-9)" /><field44 name="Enter Fall Delay (default=1.0e-9)" /><field45 name="Enter Input Load (default=1.0e-12)" /></u4><u8 name="type">d_inverter<field46 name="Enter Rise Delay (default=1.0e-9)" /><field47 name="Enter Fall Delay (default=1.0e-9)" /><field48 name="Enter Input Load (default=1.0e-12)" /></u8></model><devicemodel /><subcircuit><x1><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x1><x2><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x2><x3><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x3><x4><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x4><x5><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x5><x6><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x6><x7><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x7><x8><field>C:\FOSSEE\eSim\library\SubcircuitLibrary\4_and</field></x8></subcircuit><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS151/analysis b/library/SubcircuitLibrary/SN74LS151/analysis
new file mode 100644
index 00000000..5c9b0b46
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS151/analysis
@@ -0,0 +1 @@
+.tran 10e-03 20e-00 0e-03 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS42/7442-cache.lib b/library/SubcircuitLibrary/SN74LS42/7442-cache.lib
new file mode 100644
index 00000000..96dd6bbc
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442-cache.lib
@@ -0,0 +1,42 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 4_and
+#
+DEF 4_and X 0 40 Y Y 1 F N
+F0 "X" 50 -50 60 H V C CNN
+F1 "4_and" 100 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 100 0 206 760 -760 0 1 0 N 150 200 150 -200
+P 2 0 1 0 -200 200 150 200 N
+P 4 0 1 0 -200 200 -200 -200 50 -200 150 -200 N
+X in1 1 -400 150 200 R 50 50 1 1 I
+X in2 2 -400 50 200 R 50 50 1 1 I
+X in3 3 -400 -50 200 R 50 50 1 1 I
+X in4 4 -400 -150 200 R 50 50 1 1 I
+X out 5 500 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_nor
+#
+DEF d_nor U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nor" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 -250 -50 150 -50 N
+P 2 0 1 0 -250 150 150 150 N
+X IN1 1 -450 100 215 R 50 50 1 1 I
+X IN2 2 -450 0 215 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74LS42/7442.cir b/library/SubcircuitLibrary/SN74LS42/7442.cir
new file mode 100644
index 00000000..f3018de9
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442.cir
@@ -0,0 +1,38 @@
+* C:\Users\pt710\eSim-Workspace\7442\7442.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 03/24/25 00:31:00
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+X1 Net-_U1-Pad3_ Net-_U2-Pad3_ Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U11-Pad1_ 4_and
+X2 Net-_U6-Pad3_ Net-_U2-Pad3_ Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U12-Pad1_ 4_and
+X3 Net-_U1-Pad3_ Net-_U5-Pad3_ Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U13-Pad1_ 4_and
+X4 Net-_U6-Pad3_ Net-_U5-Pad3_ Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U14-Pad1_ 4_and
+X5 Net-_U1-Pad3_ Net-_U2-Pad3_ Net-_U7-Pad3_ Net-_U4-Pad3_ Net-_U15-Pad1_ 4_and
+X6 Net-_U6-Pad3_ Net-_U2-Pad3_ Net-_U7-Pad3_ Net-_U4-Pad3_ Net-_U9-Pad1_ 4_and
+X7 Net-_U1-Pad3_ Net-_U5-Pad3_ Net-_U7-Pad3_ Net-_U4-Pad3_ Net-_U10-Pad1_ 4_and
+X8 Net-_U6-Pad3_ Net-_U5-Pad3_ Net-_U7-Pad3_ Net-_U4-Pad3_ Net-_U16-Pad1_ 4_and
+X9 Net-_U1-Pad3_ Net-_U2-Pad3_ Net-_U3-Pad3_ Net-_U8-Pad3_ Net-_U17-Pad1_ 4_and
+X10 Net-_U6-Pad3_ Net-_U2-Pad3_ Net-_U3-Pad3_ Net-_U8-Pad3_ Net-_U18-Pad1_ 4_and
+U1 Net-_U1-Pad1_ Net-_U1-Pad1_ Net-_U1-Pad3_ d_nor
+U6 Net-_U1-Pad3_ Net-_U1-Pad3_ Net-_U6-Pad3_ d_nor
+U2 Net-_U2-Pad1_ Net-_U2-Pad1_ Net-_U2-Pad3_ d_nor
+U5 Net-_U2-Pad3_ Net-_U2-Pad3_ Net-_U5-Pad3_ d_nor
+U3 Net-_U3-Pad1_ Net-_U3-Pad1_ Net-_U3-Pad3_ d_nor
+U7 Net-_U3-Pad3_ Net-_U3-Pad3_ Net-_U7-Pad3_ d_nor
+U4 Net-_U4-Pad1_ Net-_U4-Pad1_ Net-_U4-Pad3_ d_nor
+U8 Net-_U4-Pad3_ Net-_U4-Pad3_ Net-_U8-Pad3_ d_nor
+U11 Net-_U11-Pad1_ Net-_U11-Pad1_ ? d_nor
+U12 Net-_U12-Pad1_ Net-_U12-Pad1_ ? d_nor
+U13 Net-_U13-Pad1_ Net-_U13-Pad1_ ? d_nor
+U14 Net-_U14-Pad1_ Net-_U14-Pad1_ ? d_nor
+U15 Net-_U15-Pad1_ Net-_U15-Pad1_ ? d_nor
+U9 Net-_U9-Pad1_ Net-_U9-Pad1_ ? d_nor
+U10 Net-_U10-Pad1_ Net-_U10-Pad1_ ? d_nor
+U16 Net-_U16-Pad1_ Net-_U16-Pad1_ ? d_nor
+U17 Net-_U17-Pad1_ Net-_U17-Pad1_ ? d_nor
+U18 Net-_U18-Pad1_ Net-_U18-Pad1_ ? d_nor
+
+.end
diff --git a/library/SubcircuitLibrary/SN74LS42/7442.cir.out b/library/SubcircuitLibrary/SN74LS42/7442.cir.out
new file mode 100644
index 00000000..c533de51
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442.cir.out
@@ -0,0 +1,35 @@
+* c:\users\pt710\esim-workspace\lm318\lm318.cir
+
+.include NPN.lib
+.include PNP.lib
+.include D.lib
+q1 net-_q1-pad1_ net-_q1-pad2_ net-_q1-pad3_ Q2N2222
+q5 net-_c1-pad2_ net-_q5-pad2_ net-_q1-pad3_ Q2N2222
+r1 +15v net-_q1-pad1_ 10k
+r2 +15v net-_c1-pad2_ 10k
+q8 net-_q1-pad3_ net-_q8-pad2_ +15v Q2N2907A
+r7 +15v net-_q8-pad2_ 1k
+q2 gnd net-_q2-pad2_ net-_q2-pad3_ Q2N2222
+q4 net-_c1-pad2_ net-_q2-pad2_ net-_q2-pad3_ Q2N2222
+r3 net-_q2-pad3_ gnd 1k
+q7 net-_c1-pad1_ net-_c1-pad2_ net-_q7-pad3_ Q2N2222
+r6 net-_q7-pad3_ gnd 1k
+q3 +15v net-_c1-pad1_ net-_q3-pad3_ Q2N2222
+q6 out net-_q3-pad3_ +15v Q2N2907A
+r4 out gnd 10k
+d1 net-_c1-pad1_ out 1N4148
+d2 ? gnd 1N4148
+r5 net-_c1-pad1_ +15v 10k
+* u2 out plot_v1
+c1 net-_c1-pad1_ net-_c1-pad2_ 50p
+v1 net-_q5-pad2_ net-_q1-pad2_ sine(0 1 0 0 0)
+.tran 10e-06 10e-03 1e-06
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+plot v(out)
+.endc
+.end
diff --git a/library/SubcircuitLibrary/SN74LS42/7442.pro b/library/SubcircuitLibrary/SN74LS42/7442.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442.pro
@@ -0,0 +1,73 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
diff --git a/library/SubcircuitLibrary/SN74LS42/7442.proj b/library/SubcircuitLibrary/SN74LS42/7442.proj
new file mode 100644
index 00000000..773ca67d
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442.proj
@@ -0,0 +1 @@
+schematicFile LM348.sch
diff --git a/library/SubcircuitLibrary/SN74LS42/7442.sch b/library/SubcircuitLibrary/SN74LS42/7442.sch
new file mode 100644
index 00000000..376df495
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442.sch
@@ -0,0 +1,697 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+LIBS:7442-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L 4_and X1
+U 1 1 67E04AC9
+P 5250 950
+F 0 "X1" H 5300 900 60 0000 C CNN
+F 1 "4_and" H 5350 1050 60 0000 C CNN
+F 2 "" H 5250 950 60 0000 C CNN
+F 3 "" H 5250 950 60 0000 C CNN
+ 1 5250 950
+ 1 0 0 -1
+$EndComp
+$Comp
+L 4_and X2
+U 1 1 67E04B24
+P 5250 1500
+F 0 "X2" H 5300 1450 60 0000 C CNN
+F 1 "4_and" H 5350 1600 60 0000 C CNN
+F 2 "" H 5250 1500 60 0000 C CNN
+F 3 "" H 5250 1500 60 0000 C CNN
+ 1 5250 1500
+ 1 0 0 -1
+$EndComp
+$Comp
+L 4_and X3
+U 1 1 67E04B55
+P 5250 2000
+F 0 "X3" H 5300 1950 60 0000 C CNN
+F 1 "4_and" H 5350 2100 60 0000 C CNN
+F 2 "" H 5250 2000 60 0000 C CNN
+F 3 "" H 5250 2000 60 0000 C CNN
+ 1 5250 2000
+ 1 0 0 -1
+$EndComp
+$Comp
+L 4_and X4
+U 1 1 67E04B78
+P 5250 2500
+F 0 "X4" H 5300 2450 60 0000 C CNN
+F 1 "4_and" H 5350 2600 60 0000 C CNN
+F 2 "" H 5250 2500 60 0000 C CNN
+F 3 "" H 5250 2500 60 0000 C CNN
+ 1 5250 2500
+ 1 0 0 -1
+$EndComp
+$Comp
+L 4_and X5
+U 1 1 67E04BF5
+P 5250 3000
+F 0 "X5" H 5300 2950 60 0000 C CNN
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diff --git a/library/SubcircuitLibrary/SN74LS42/7442_Previous_Values.xml b/library/SubcircuitLibrary/SN74LS42/7442_Previous_Values.xml
new file mode 100644
index 00000000..b601edcc
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/7442_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source><v1 name="Source type">1mv</v1><v1 name="Source type">1</v1><v1 name="Source type">sine<field1 name="Offset Value" /><field2 name="Amplitude">1</field2><field3 name="Frequency" /><field4 name="Delay Time" /><field5 name="Damping Factor" /></v1></source><model /><devicemodel><q1><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q1><q5><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q5><q8><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q8><q2><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q2><q4><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q4><q7><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q7><q3><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\NPN.lib</field></q3><q6><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Transistor\PNP.lib</field></q6><d1><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Diode\D.lib</field></d1><d2><field>C:\FOSSEE\eSim\library\deviceModelLibrary\Diode\D.lib</field></d2></devicemodel><subcircuit /><analysis><ac><field1 name="Lin">false</field1><field2 name="Dec">true</field2><field3 name="Oct">false</field3><field4 name="Start Frequency">10</field4><field5 name="Stop Frequency">1</field5><field6 name="No. of points">10</field6><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Meg</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time">1</field1><field2 name="Step Time">10</field2><field3 name="Stop Time">10</field3><field4 name="Start Combo">us</field4><field5 name="Step Combo">us</field5><field6 name="Stop Combo">ms</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LS42/analysis b/library/SubcircuitLibrary/SN74LS42/analysis
new file mode 100644
index 00000000..dd369dec
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LS42/analysis
@@ -0,0 +1 @@
+.tran 10e-06 10e-03 1e-06 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429-cache.lib b/library/SubcircuitLibrary/SN74LVC1G29/7429-cache.lib
new file mode 100644
index 00000000..44055200
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429-cache.lib
@@ -0,0 +1,92 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nand
+#
+DEF d_nand U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nand" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429.cir b/library/SubcircuitLibrary/SN74LVC1G29/7429.cir
new file mode 100644
index 00000000..454fdb10
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429.cir
@@ -0,0 +1,19 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\7429\7429.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/12/25 14:38:38
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U2 Net-_U1-Pad1_ Net-_U2-Pad2_ d_inverter
+U3 Net-_U1-Pad2_ Net-_U3-Pad2_ d_inverter
+U6 Net-_U1-Pad2_ Net-_U4-Pad2_ Net-_U6-Pad3_ d_and
+U4 Net-_U1-Pad3_ Net-_U4-Pad2_ d_inverter
+U5 Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U5-Pad3_ d_and
+U9 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U1-Pad4_ d_nand
+U7 Net-_U2-Pad2_ Net-_U6-Pad3_ Net-_U1-Pad5_ d_nand
+U8 Net-_U2-Pad2_ Net-_U5-Pad3_ Net-_U1-Pad6_ d_nand
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ Net-_U1-Pad6_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429.cir.out b/library/SubcircuitLibrary/SN74LVC1G29/7429.cir.out
new file mode 100644
index 00000000..182d14b6
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429.cir.out
@@ -0,0 +1,44 @@
+* c:\fossee\esim\library\subcircuitlibrary\7429\7429.cir
+
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u3-pad2_ d_inverter
+* u6 net-_u1-pad2_ net-_u4-pad2_ net-_u6-pad3_ d_and
+* u4 net-_u1-pad3_ net-_u4-pad2_ d_inverter
+* u5 net-_u1-pad2_ net-_u1-pad3_ net-_u5-pad3_ d_and
+* u9 net-_u2-pad2_ net-_u3-pad2_ net-_u1-pad4_ d_nand
+* u7 net-_u2-pad2_ net-_u6-pad3_ net-_u1-pad5_ d_nand
+* u8 net-_u2-pad2_ net-_u5-pad3_ net-_u1-pad6_ d_nand
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_ port
+a1 net-_u1-pad1_ net-_u2-pad2_ u2
+a2 net-_u1-pad2_ net-_u3-pad2_ u3
+a3 [net-_u1-pad2_ net-_u4-pad2_ ] net-_u6-pad3_ u6
+a4 net-_u1-pad3_ net-_u4-pad2_ u4
+a5 [net-_u1-pad2_ net-_u1-pad3_ ] net-_u5-pad3_ u5
+a6 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u1-pad4_ u9
+a7 [net-_u2-pad2_ net-_u6-pad3_ ] net-_u1-pad5_ u7
+a8 [net-_u2-pad2_ net-_u5-pad3_ ] net-_u1-pad6_ u8
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u6 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u5 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u9 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u7 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u8 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429.pro b/library/SubcircuitLibrary/SN74LVC1G29/7429.pro
new file mode 100644
index 00000000..3d81b09e
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429.pro
@@ -0,0 +1,83 @@
+update=05/12/25 17:58:53
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=adc-dac
+LibName2=memory
+LibName3=xilinx
+LibName4=microcontrollers
+LibName5=dsp
+LibName6=microchip
+LibName7=analog_switches
+LibName8=motorola
+LibName9=texas
+LibName10=intel
+LibName11=audio
+LibName12=interface
+LibName13=digital-audio
+LibName14=philips
+LibName15=display
+LibName16=cypress
+LibName17=siliconi
+LibName18=opto
+LibName19=atmel
+LibName20=contrib
+LibName21=power
+LibName22=eSim_Plot
+LibName23=transistors
+LibName24=conn
+LibName25=eSim_User
+LibName26=regul
+LibName27=74xx
+LibName28=cmos4000
+LibName29=eSim_Analog
+LibName30=eSim_Devices
+LibName31=eSim_Digital
+LibName32=eSim_Hybrid
+LibName33=eSim_Miscellaneous
+LibName34=eSim_Power
+LibName35=eSim_Sources
+LibName36=eSim_Subckt
+LibName37=eSim_Nghdl
+LibName38=eSim_Ngveri
+LibName39=eSim_SKY130
+LibName40=eSim_SKY130_Subckts
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=
+SpiceForceRefPrefix=0
+SpiceUseNetNumbers=0
+LabSize=60
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429.sch b/library/SubcircuitLibrary/SN74LVC1G29/7429.sch
new file mode 100644
index 00000000..56a2da46
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429.sch
@@ -0,0 +1,273 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L d_inverter U2
+U 1 1 6821B961
+P 2600 2100
+F 0 "U2" H 2600 2000 60 0000 C CNN
+F 1 "d_inverter" H 2600 2250 60 0000 C CNN
+F 2 "" H 2650 2050 60 0000 C CNN
+F 3 "" H 2650 2050 60 0000 C CNN
+ 1 2600 2100
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 6821B9A6
+P 3600 2600
+F 0 "U3" H 3600 2500 60 0000 C CNN
+F 1 "d_inverter" H 3600 2750 60 0000 C CNN
+F 2 "" H 3650 2550 60 0000 C CNN
+F 3 "" H 3650 2550 60 0000 C CNN
+ 1 3600 2600
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 6821B9C3
+P 5100 3050
+F 0 "U6" H 5100 3050 60 0000 C CNN
+F 1 "d_and" H 5150 3150 60 0000 C CNN
+F 2 "" H 5100 3050 60 0000 C CNN
+F 3 "" H 5100 3050 60 0000 C CNN
+ 1 5100 3050
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U4
+U 1 1 6821B9DE
+P 3600 3550
+F 0 "U4" H 3600 3450 60 0000 C CNN
+F 1 "d_inverter" H 3600 3700 60 0000 C CNN
+F 2 "" H 3650 3500 60 0000 C CNN
+F 3 "" H 3650 3500 60 0000 C CNN
+ 1 3600 3550
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U5
+U 1 1 6821BA03
+P 5050 4100
+F 0 "U5" H 5050 4100 60 0000 C CNN
+F 1 "d_and" H 5100 4200 60 0000 C CNN
+F 2 "" H 5050 4100 60 0000 C CNN
+F 3 "" H 5050 4100 60 0000 C CNN
+ 1 5050 4100
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U9
+U 1 1 6821BA2A
+P 7500 2100
+F 0 "U9" H 7500 2100 60 0000 C CNN
+F 1 "d_nand" H 7550 2200 60 0000 C CNN
+F 2 "" H 7500 2100 60 0000 C CNN
+F 3 "" H 7500 2100 60 0000 C CNN
+ 1 7500 2100
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U7
+U 1 1 6821BA51
+P 7450 3150
+F 0 "U7" H 7450 3150 60 0000 C CNN
+F 1 "d_nand" H 7500 3250 60 0000 C CNN
+F 2 "" H 7450 3150 60 0000 C CNN
+F 3 "" H 7450 3150 60 0000 C CNN
+ 1 7450 3150
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U8
+U 1 1 6821BA7A
+P 7450 4150
+F 0 "U8" H 7450 4150 60 0000 C CNN
+F 1 "d_nand" H 7500 4250 60 0000 C CNN
+F 2 "" H 7450 4150 60 0000 C CNN
+F 3 "" H 7450 4150 60 0000 C CNN
+ 1 7450 4150
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 1 1 6821BAA5
+P 1750 2100
+F 0 "U1" H 1800 2200 30 0000 C CNN
+F 1 "PORT" H 1750 2100 30 0000 C CNN
+F 2 "" H 1750 2100 60 0000 C CNN
+F 3 "" H 1750 2100 60 0000 C CNN
+ 1 1750 2100
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6821BB1D
+P 1750 2550
+F 0 "U1" H 1800 2650 30 0000 C CNN
+F 1 "PORT" H 1750 2550 30 0000 C CNN
+F 2 "" H 1750 2550 60 0000 C CNN
+F 3 "" H 1750 2550 60 0000 C CNN
+ 2 1750 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 6821BB4A
+P 1750 3550
+F 0 "U1" H 1800 3650 30 0000 C CNN
+F 1 "PORT" H 1750 3550 30 0000 C CNN
+F 2 "" H 1750 3550 60 0000 C CNN
+F 3 "" H 1750 3550 60 0000 C CNN
+ 3 1750 3550
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 6821BBE9
+P 8500 2050
+F 0 "U1" H 8550 2150 30 0000 C CNN
+F 1 "PORT" H 8500 2050 30 0000 C CNN
+F 2 "" H 8500 2050 60 0000 C CNN
+F 3 "" H 8500 2050 60 0000 C CNN
+ 4 8500 2050
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 6821BC47
+P 8500 3100
+F 0 "U1" H 8550 3200 30 0000 C CNN
+F 1 "PORT" H 8500 3100 30 0000 C CNN
+F 2 "" H 8500 3100 60 0000 C CNN
+F 3 "" H 8500 3100 60 0000 C CNN
+ 5 8500 3100
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 6 1 6821BC84
+P 8500 4100
+F 0 "U1" H 8550 4200 30 0000 C CNN
+F 1 "PORT" H 8500 4100 30 0000 C CNN
+F 2 "" H 8500 4100 60 0000 C CNN
+F 3 "" H 8500 4100 60 0000 C CNN
+ 6 8500 4100
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 2000 2100 2300 2100
+Wire Wire Line
+ 2000 2550 3300 2550
+Wire Wire Line
+ 3300 2550 3300 2600
+Wire Wire Line
+ 2000 3550 3300 3550
+Wire Wire Line
+ 3000 2550 3000 4000
+Wire Wire Line
+ 3000 2950 4650 2950
+Connection ~ 3000 2550
+Wire Wire Line
+ 3900 3550 4650 3550
+Wire Wire Line
+ 4650 3550 4650 3050
+Wire Wire Line
+ 3000 4000 4600 4000
+Connection ~ 3000 2950
+Wire Wire Line
+ 2500 3550 2500 4100
+Wire Wire Line
+ 2500 4100 4600 4100
+Connection ~ 2500 3550
+Wire Wire Line
+ 2900 2100 6200 2100
+Wire Wire Line
+ 6200 2100 6200 2000
+Wire Wire Line
+ 6200 2000 7050 2000
+Wire Wire Line
+ 3900 2600 6300 2600
+Wire Wire Line
+ 6300 2600 6300 2100
+Wire Wire Line
+ 6300 2100 7050 2100
+Wire Wire Line
+ 5550 3000 6100 3000
+Wire Wire Line
+ 6100 3000 6100 3150
+Wire Wire Line
+ 6100 3150 7000 3150
+Wire Wire Line
+ 6750 2000 6750 4050
+Wire Wire Line
+ 6750 3050 7000 3050
+Connection ~ 6750 2000
+Wire Wire Line
+ 5500 4050 5900 4050
+Wire Wire Line
+ 5900 4050 5900 4150
+Wire Wire Line
+ 5900 4150 7000 4150
+Wire Wire Line
+ 6750 4050 7000 4050
+Connection ~ 6750 3050
+Wire Wire Line
+ 7950 2050 8250 2050
+Wire Wire Line
+ 7900 3100 8250 3100
+Wire Wire Line
+ 7900 4100 8250 4100
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429.sub b/library/SubcircuitLibrary/SN74LVC1G29/7429.sub
new file mode 100644
index 00000000..a3c8ad39
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429.sub
@@ -0,0 +1,38 @@
+* Subcircuit 7429
+.subckt 7429 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ net-_u1-pad6_
+* c:\fossee\esim\library\subcircuitlibrary\7429\7429.cir
+* u2 net-_u1-pad1_ net-_u2-pad2_ d_inverter
+* u3 net-_u1-pad2_ net-_u3-pad2_ d_inverter
+* u6 net-_u1-pad2_ net-_u4-pad2_ net-_u6-pad3_ d_and
+* u4 net-_u1-pad3_ net-_u4-pad2_ d_inverter
+* u5 net-_u1-pad2_ net-_u1-pad3_ net-_u5-pad3_ d_and
+* u9 net-_u2-pad2_ net-_u3-pad2_ net-_u1-pad4_ d_nand
+* u7 net-_u2-pad2_ net-_u6-pad3_ net-_u1-pad5_ d_nand
+* u8 net-_u2-pad2_ net-_u5-pad3_ net-_u1-pad6_ d_nand
+a1 net-_u1-pad1_ net-_u2-pad2_ u2
+a2 net-_u1-pad2_ net-_u3-pad2_ u3
+a3 [net-_u1-pad2_ net-_u4-pad2_ ] net-_u6-pad3_ u6
+a4 net-_u1-pad3_ net-_u4-pad2_ u4
+a5 [net-_u1-pad2_ net-_u1-pad3_ ] net-_u5-pad3_ u5
+a6 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u1-pad4_ u9
+a7 [net-_u2-pad2_ net-_u6-pad3_ ] net-_u1-pad5_ u7
+a8 [net-_u2-pad2_ net-_u5-pad3_ ] net-_u1-pad6_ u8
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u3 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u6 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u4 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u5 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u9 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u7 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u8 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 7429 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/7429_Previous_Values.xml b/library/SubcircuitLibrary/SN74LVC1G29/7429_Previous_Values.xml
new file mode 100644
index 00000000..1a454041
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/7429_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><analysis><ac><field1 name="Lin">true</field1><field2 name="Dec">false</field2><field3 name="Oct">false</field3><field4 name="Start Frequency" /><field5 name="Stop Frequency" /><field6 name="No. of points" /><field7 name="Start Fre Combo">Hz</field7><field8 name="Stop Fre Combo">Hz</field8></ac><dc><field1 name="Source 1" /><field2 name="Start" /><field3 name="Increment" /><field4 name="Stop" /><field5 name="Operating Point">0</field5><field6 name="Start Combo">Volts or Amperes</field6><field7 name="Increment Combo">Volts or Amperes</field7><field8 name="Stop Combo">Volts or Amperes</field8><field9 name="Source 2" /><field10 name="Start" /><field11 name="Increment" /><field12 name="Stop" /><field13 name="Start Combo">Volts or Amperes</field13><field14 name="Increment Combo">Volts or Amperes</field14><field15 name="Stop Combo">Volts or Amperes</field15></dc><tran><field1 name="Start Time" /><field2 name="Step Time" /><field3 name="Stop Time" /><field4 name="Start Combo">sec</field4><field5 name="Step Combo">sec</field5><field6 name="Stop Combo">sec</field6></tran></analysis><source /><model><u2 name="type">d_inverter<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u2><u3 name="type">d_inverter<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u3><u6 name="type">d_and<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u6><u4 name="type">d_inverter<field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /><field12 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_and<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u5><u9 name="type">d_nand<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u9><u7 name="type">d_nand<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_nand<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u8></model><devicemodel /><subcircuit /></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74LVC1G29/analysis b/library/SubcircuitLibrary/SN74LVC1G29/analysis
new file mode 100644
index 00000000..58ce5800
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74LVC1G29/analysis
@@ -0,0 +1 @@
+.tran 10e-03 10e-00 0e-03 \ No newline at end of file