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-rw-r--r--library/SubcircuitLibrary/SN74120/3_and-cache.lib61
-rw-r--r--library/SubcircuitLibrary/SN74120/3_and.cir13
-rw-r--r--library/SubcircuitLibrary/SN74120/3_and.cir.out20
-rw-r--r--library/SubcircuitLibrary/SN74120/3_and.pro43
-rw-r--r--library/SubcircuitLibrary/SN74120/3_and.sch130
-rw-r--r--library/SubcircuitLibrary/SN74120/3_and.sub14
-rw-r--r--library/SubcircuitLibrary/SN74120/3_and_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120-cache.lib112
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.bck7
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.cir53
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.cir.out163
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.dcm7
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.lib834
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.pro73
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.sch1145
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120.sub157
-rw-r--r--library/SubcircuitLibrary/SN74120/SN74120_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/SN74120/analysis1
18 files changed, 2835 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/SN74120/3_and-cache.lib b/library/SubcircuitLibrary/SN74120/3_and-cache.lib
new file mode 100644
index 00000000..af058641
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and-cache.lib
@@ -0,0 +1,61 @@
+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
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74120/3_and.cir b/library/SubcircuitLibrary/SN74120/3_and.cir
new file mode 100644
index 00000000..ba296cf0
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and.cir
@@ -0,0 +1,13 @@
+* C:\Users\malli\eSim\src\SubcircuitLibrary\3_and\3_and.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 03/26/19 18:42:57
+
+* 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-_U1-Pad2_ Net-_U2-Pad3_ d_and
+U3 Net-_U2-Pad3_ Net-_U1-Pad3_ Net-_U1-Pad4_ d_and
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/SN74120/3_and.cir.out b/library/SubcircuitLibrary/SN74120/3_and.cir.out
new file mode 100644
index 00000000..d7cf79a0
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and.cir.out
@@ -0,0 +1,20 @@
+* c:\users\malli\esim\src\subcircuitlibrary\3_and\3_and.cir
+
+* u2 net-_u1-pad1_ net-_u1-pad2_ net-_u2-pad3_ d_and
+* u3 net-_u2-pad3_ net-_u1-pad3_ net-_u1-pad4_ d_and
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ port
+a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u2-pad3_ u2
+a2 [net-_u2-pad3_ net-_u1-pad3_ ] net-_u1-pad4_ u3
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u2 d_and(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u3 d_and(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+.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/SN74120/3_and.pro b/library/SubcircuitLibrary/SN74120/3_and.pro
new file mode 100644
index 00000000..00597a5a
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and.pro
@@ -0,0 +1,43 @@
+update=05/31/19 15:26:09
+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=../../../kicadSchematicLibrary
+[eeschema/libraries]
+LibName1=eSim_Analog
+LibName2=eSim_Devices
+LibName3=eSim_Digital
+LibName4=eSim_Hybrid
+LibName5=eSim_Miscellaneous
+LibName6=eSim_Plot
+LibName7=eSim_Power
+LibName8=eSim_User
+LibName9=eSim_Sources
+LibName10=eSim_Subckt
diff --git a/library/SubcircuitLibrary/SN74120/3_and.sch b/library/SubcircuitLibrary/SN74120/3_and.sch
new file mode 100644
index 00000000..d6ac89f9
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and.sch
@@ -0,0 +1,130 @@
+EESchema Schematic File Version 2
+LIBS:power
+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:valves
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Plot
+LIBS:eSim_Power
+LIBS:eSim_PSpice
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_User
+LIBS:3_and-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
+$Comp
+L d_and U2
+U 1 1 5C9A24D8
+P 4250 2700
+F 0 "U2" H 4250 2700 60 0000 C CNN
+F 1 "d_and" H 4300 2800 60 0000 C CNN
+F 2 "" H 4250 2700 60 0000 C CNN
+F 3 "" H 4250 2700 60 0000 C CNN
+ 1 4250 2700
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U3
+U 1 1 5C9A2538
+P 5150 2900
+F 0 "U3" H 5150 2900 60 0000 C CNN
+F 1 "d_and" H 5200 3000 60 0000 C CNN
+F 2 "" H 5150 2900 60 0000 C CNN
+F 3 "" H 5150 2900 60 0000 C CNN
+ 1 5150 2900
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 1 1 5C9A259A
+P 3050 2600
+F 0 "U1" H 3100 2700 30 0000 C CNN
+F 1 "PORT" H 3050 2600 30 0000 C CNN
+F 2 "" H 3050 2600 60 0000 C CNN
+F 3 "" H 3050 2600 60 0000 C CNN
+ 1 3050 2600
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 5C9A25D9
+P 3050 2800
+F 0 "U1" H 3100 2900 30 0000 C CNN
+F 1 "PORT" H 3050 2800 30 0000 C CNN
+F 2 "" H 3050 2800 60 0000 C CNN
+F 3 "" H 3050 2800 60 0000 C CNN
+ 2 3050 2800
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 5C9A260A
+P 3050 3100
+F 0 "U1" H 3100 3200 30 0000 C CNN
+F 1 "PORT" H 3050 3100 30 0000 C CNN
+F 2 "" H 3050 3100 60 0000 C CNN
+F 3 "" H 3050 3100 60 0000 C CNN
+ 3 3050 3100
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 5C9A2637
+P 6900 2850
+F 0 "U1" H 6950 2950 30 0000 C CNN
+F 1 "PORT" H 6900 2850 30 0000 C CNN
+F 2 "" H 6900 2850 60 0000 C CNN
+F 3 "" H 6900 2850 60 0000 C CNN
+ 4 6900 2850
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 4700 2650 4700 2800
+Wire Wire Line
+ 5600 2850 6650 2850
+Wire Wire Line
+ 3800 2600 3300 2600
+Wire Wire Line
+ 3800 2700 3300 2700
+Wire Wire Line
+ 3300 2700 3300 2800
+Wire Wire Line
+ 3300 3100 4700 3100
+Wire Wire Line
+ 4700 3100 4700 2900
+Text Notes 3500 2600 0 60 ~ 12
+in1
+Text Notes 3450 2800 0 60 ~ 12
+in2\n
+Text Notes 3500 3100 0 60 ~ 12
+in3
+Text Notes 6100 2850 0 60 ~ 12
+out
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/SN74120/3_and.sub b/library/SubcircuitLibrary/SN74120/3_and.sub
new file mode 100644
index 00000000..3d9120bb
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and.sub
@@ -0,0 +1,14 @@
+* Subcircuit 3_and
+.subckt 3_and net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_
+* c:\users\malli\esim\src\subcircuitlibrary\3_and\3_and.cir
+* u2 net-_u1-pad1_ net-_u1-pad2_ net-_u2-pad3_ d_and
+* u3 net-_u2-pad3_ net-_u1-pad3_ net-_u1-pad4_ d_and
+a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u2-pad3_ u2
+a2 [net-_u2-pad3_ net-_u1-pad3_ ] net-_u1-pad4_ u3
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u2 d_and(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u3 d_and(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Control Statements
+
+.ends 3_and \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74120/3_and_Previous_Values.xml b/library/SubcircuitLibrary/SN74120/3_and_Previous_Values.xml
new file mode 100644
index 00000000..abc5faaa
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/3_and_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_and<field1 name="Enter Fall Delay (default=1.0e-9)" /><field2 name="Enter Input Load (default=1.0e-12)" /><field3 name="Enter Rise Delay (default=1.0e-9)" /></u2><u3 name="type">d_and<field4 name="Enter Fall Delay (default=1.0e-9)" /><field5 name="Enter Input Load (default=1.0e-12)" /><field6 name="Enter Rise Delay (default=1.0e-9)" /></u3></model><devicemodel /><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/SN74120/SN74120-cache.lib b/library/SubcircuitLibrary/SN74120/SN74120-cache.lib
new file mode 100644
index 00000000..78d47f79
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120-cache.lib
@@ -0,0 +1,112 @@
+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
+#
+# 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_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/SN74120/SN74120.bck b/library/SubcircuitLibrary/SN74120/SN74120.bck
new file mode 100644
index 00000000..1980d0d1
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.bck
@@ -0,0 +1,7 @@
+EESchema-DOCLIB Version 2.0
+#
+$CMP SCR
+D Thyristor
+$ENDCMP
+#
+#End Doc Library
diff --git a/library/SubcircuitLibrary/SN74120/SN74120.cir b/library/SubcircuitLibrary/SN74120/SN74120.cir
new file mode 100644
index 00000000..5a2fb976
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.cir
@@ -0,0 +1,53 @@
+* C:\FOSSEE\eSim\library\SubcircuitLibrary\SN74120\SN74120.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/24/25 11:09:50
+
+* 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 /R_bar_1 Net-_U2-Pad2_ d_inverter
+U3 Net-_U11-Pad3_ Net-_U3-Pad2_ d_inverter
+U4 Net-_U4-Pad1_ Net-_U4-Pad2_ d_inverter
+U5 /S1_bar_1 Net-_U5-Pad2_ d_inverter
+U6 /S2_bar_1 Net-_U11-Pad2_ d_inverter
+U7 /C_1 Net-_U7-Pad2_ d_inverter
+U8 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U4-Pad1_ d_or
+U9 Net-_U4-Pad2_ Net-_U5-Pad2_ Net-_U11-Pad1_ d_or
+U11 Net-_U11-Pad1_ Net-_U11-Pad2_ Net-_U11-Pad3_ d_or
+U10 Net-_U10-Pad1_ /C_1 /Y_bar_1 d_nand
+U12 Net-_U12-Pad1_ Net-_U12-Pad2_ d_inverter
+U13 Net-_U12-Pad2_ Net-_U13-Pad2_ d_inverter
+U16 /Y_bar_1 Net-_U16-Pad2_ d_inverter
+U17 Net-_U17-Pad1_ Net-_U17-Pad2_ Net-_U15-Pad1_ d_or
+U15 Net-_U15-Pad1_ Net-_U14-Pad2_ Net-_U10-Pad1_ d_or
+U19 Net-_U16-Pad2_ Net-_U13-Pad2_ Net-_U19-Pad3_ d_or
+U18 /Y_bar_1 /Y_1 d_inverter
+X1 Net-_U7-Pad2_ Net-_U11-Pad3_ Net-_U12-Pad2_ Net-_U17-Pad1_ 3_and
+X2 Net-_U11-Pad3_ Net-_U12-Pad2_ Net-_U10-Pad1_ Net-_U17-Pad2_ 3_and
+X3 Net-_U11-Pad3_ /M_1 Net-_U19-Pad3_ Net-_U12-Pad1_ 3_and
+U14 /Y_bar_1 Net-_U14-Pad2_ d_inverter
+U20 /R_bar_2 Net-_U20-Pad2_ d_inverter
+U21 Net-_U21-Pad1_ Net-_U21-Pad2_ d_inverter
+U22 Net-_U22-Pad1_ Net-_U22-Pad2_ d_inverter
+U23 /S1_bar_2 Net-_U23-Pad2_ d_inverter
+U24 /S2_bar_2 Net-_U24-Pad2_ d_inverter
+U25 /C_2 Net-_U25-Pad2_ d_inverter
+U26 Net-_U20-Pad2_ Net-_U21-Pad2_ Net-_U22-Pad1_ d_or
+U27 Net-_U22-Pad2_ Net-_U23-Pad2_ Net-_U27-Pad3_ d_or
+U29 Net-_U27-Pad3_ Net-_U24-Pad2_ Net-_U21-Pad1_ d_or
+U28 Net-_U28-Pad1_ /C_2 /Y_bar_2 d_nand
+X4 Net-_U25-Pad2_ Net-_U21-Pad1_ Net-_U30-Pad2_ Net-_U35-Pad1_ 3_and
+X5 Net-_U21-Pad1_ Net-_U30-Pad2_ Net-_U28-Pad1_ Net-_U35-Pad2_ 3_and
+X6 Net-_U21-Pad1_ /M_2 Net-_U36-Pad3_ Net-_U30-Pad1_ 3_and
+U30 Net-_U30-Pad1_ Net-_U30-Pad2_ d_inverter
+U31 Net-_U30-Pad2_ Net-_U31-Pad2_ d_inverter
+U34 /Y_bar_2 Net-_U34-Pad2_ d_inverter
+U35 Net-_U35-Pad1_ Net-_U35-Pad2_ Net-_U33-Pad1_ d_or
+U33 Net-_U33-Pad1_ Net-_U32-Pad2_ Net-_U28-Pad1_ d_or
+U37 /Y_bar_2 /Y_2 d_inverter
+U32 /Y_bar_2 Net-_U32-Pad2_ d_inverter
+U36 Net-_U34-Pad2_ Net-_U31-Pad2_ Net-_U36-Pad3_ d_or
+U1 /M_1 /S1_bar_1 /S2_bar_1 /R_bar_1 /C_1 /Y_1 /Y_bar_1 ? /Y_bar_2 /Y_2 /C_2 /R_bar_2 /S1_bar_2 /S2_bar_2 ? /M_2 PORT
+
+.end
diff --git a/library/SubcircuitLibrary/SN74120/SN74120.cir.out b/library/SubcircuitLibrary/SN74120/SN74120.cir.out
new file mode 100644
index 00000000..bd0ec80c
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.cir.out
@@ -0,0 +1,163 @@
+* c:\fossee\esim\library\subcircuitlibrary\sn74120\sn74120.cir
+
+.include 3_and.sub
+* u2 /r_bar_1 net-_u2-pad2_ d_inverter
+* u3 net-_u11-pad3_ net-_u3-pad2_ d_inverter
+* u4 net-_u4-pad1_ net-_u4-pad2_ d_inverter
+* u5 /s1_bar_1 net-_u5-pad2_ d_inverter
+* u6 /s2_bar_1 net-_u11-pad2_ d_inverter
+* u7 /c_1 net-_u7-pad2_ d_inverter
+* u8 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad1_ d_or
+* u9 net-_u4-pad2_ net-_u5-pad2_ net-_u11-pad1_ d_or
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_or
+* u10 net-_u10-pad1_ /c_1 /y_bar_1 d_nand
+* u12 net-_u12-pad1_ net-_u12-pad2_ d_inverter
+* u13 net-_u12-pad2_ net-_u13-pad2_ d_inverter
+* u16 /y_bar_1 net-_u16-pad2_ d_inverter
+* u17 net-_u17-pad1_ net-_u17-pad2_ net-_u15-pad1_ d_or
+* u15 net-_u15-pad1_ net-_u14-pad2_ net-_u10-pad1_ d_or
+* u19 net-_u16-pad2_ net-_u13-pad2_ net-_u19-pad3_ d_or
+* u18 /y_bar_1 /y_1 d_inverter
+x1 net-_u7-pad2_ net-_u11-pad3_ net-_u12-pad2_ net-_u17-pad1_ 3_and
+x2 net-_u11-pad3_ net-_u12-pad2_ net-_u10-pad1_ net-_u17-pad2_ 3_and
+x3 net-_u11-pad3_ /m_1 net-_u19-pad3_ net-_u12-pad1_ 3_and
+* u14 /y_bar_1 net-_u14-pad2_ d_inverter
+* u20 /r_bar_2 net-_u20-pad2_ d_inverter
+* u21 net-_u21-pad1_ net-_u21-pad2_ d_inverter
+* u22 net-_u22-pad1_ net-_u22-pad2_ d_inverter
+* u23 /s1_bar_2 net-_u23-pad2_ d_inverter
+* u24 /s2_bar_2 net-_u24-pad2_ d_inverter
+* u25 /c_2 net-_u25-pad2_ d_inverter
+* u26 net-_u20-pad2_ net-_u21-pad2_ net-_u22-pad1_ d_or
+* u27 net-_u22-pad2_ net-_u23-pad2_ net-_u27-pad3_ d_or
+* u29 net-_u27-pad3_ net-_u24-pad2_ net-_u21-pad1_ d_or
+* u28 net-_u28-pad1_ /c_2 /y_bar_2 d_nand
+x4 net-_u25-pad2_ net-_u21-pad1_ net-_u30-pad2_ net-_u35-pad1_ 3_and
+x5 net-_u21-pad1_ net-_u30-pad2_ net-_u28-pad1_ net-_u35-pad2_ 3_and
+x6 net-_u21-pad1_ /m_2 net-_u36-pad3_ net-_u30-pad1_ 3_and
+* u30 net-_u30-pad1_ net-_u30-pad2_ d_inverter
+* u31 net-_u30-pad2_ net-_u31-pad2_ d_inverter
+* u34 /y_bar_2 net-_u34-pad2_ d_inverter
+* u35 net-_u35-pad1_ net-_u35-pad2_ net-_u33-pad1_ d_or
+* u33 net-_u33-pad1_ net-_u32-pad2_ net-_u28-pad1_ d_or
+* u37 /y_bar_2 /y_2 d_inverter
+* u32 /y_bar_2 net-_u32-pad2_ d_inverter
+* u36 net-_u34-pad2_ net-_u31-pad2_ net-_u36-pad3_ d_or
+* u1 /m_1 /s1_bar_1 /s2_bar_1 /r_bar_1 /c_1 /y_1 /y_bar_1 ? /y_bar_2 /y_2 /c_2 /r_bar_2 /s1_bar_2 /s2_bar_2 ? /m_2 port
+a1 /r_bar_1 net-_u2-pad2_ u2
+a2 net-_u11-pad3_ net-_u3-pad2_ u3
+a3 net-_u4-pad1_ net-_u4-pad2_ u4
+a4 /s1_bar_1 net-_u5-pad2_ u5
+a5 /s2_bar_1 net-_u11-pad2_ u6
+a6 /c_1 net-_u7-pad2_ u7
+a7 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u4-pad1_ u8
+a8 [net-_u4-pad2_ net-_u5-pad2_ ] net-_u11-pad1_ u9
+a9 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a10 [net-_u10-pad1_ /c_1 ] /y_bar_1 u10
+a11 net-_u12-pad1_ net-_u12-pad2_ u12
+a12 net-_u12-pad2_ net-_u13-pad2_ u13
+a13 /y_bar_1 net-_u16-pad2_ u16
+a14 [net-_u17-pad1_ net-_u17-pad2_ ] net-_u15-pad1_ u17
+a15 [net-_u15-pad1_ net-_u14-pad2_ ] net-_u10-pad1_ u15
+a16 [net-_u16-pad2_ net-_u13-pad2_ ] net-_u19-pad3_ u19
+a17 /y_bar_1 /y_1 u18
+a18 /y_bar_1 net-_u14-pad2_ u14
+a19 /r_bar_2 net-_u20-pad2_ u20
+a20 net-_u21-pad1_ net-_u21-pad2_ u21
+a21 net-_u22-pad1_ net-_u22-pad2_ u22
+a22 /s1_bar_2 net-_u23-pad2_ u23
+a23 /s2_bar_2 net-_u24-pad2_ u24
+a24 /c_2 net-_u25-pad2_ u25
+a25 [net-_u20-pad2_ net-_u21-pad2_ ] net-_u22-pad1_ u26
+a26 [net-_u22-pad2_ net-_u23-pad2_ ] net-_u27-pad3_ u27
+a27 [net-_u27-pad3_ net-_u24-pad2_ ] net-_u21-pad1_ u29
+a28 [net-_u28-pad1_ /c_2 ] /y_bar_2 u28
+a29 net-_u30-pad1_ net-_u30-pad2_ u30
+a30 net-_u30-pad2_ net-_u31-pad2_ u31
+a31 /y_bar_2 net-_u34-pad2_ u34
+a32 [net-_u35-pad1_ net-_u35-pad2_ ] net-_u33-pad1_ u35
+a33 [net-_u33-pad1_ net-_u32-pad2_ ] net-_u28-pad1_ u33
+a34 /y_bar_2 /y_2 u37
+a35 /y_bar_2 net-_u32-pad2_ u32
+a36 [net-_u34-pad2_ net-_u31-pad2_ ] net-_u36-pad3_ u36
+* 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_or, NgSpice Name: d_or
+.model u8 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 u11 d_or(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_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 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 u16 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 u17 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_or, NgSpice Name: d_or
+.model u19 d_or(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 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 u20 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 u21 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 u22 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 u23 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 u24 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 u25 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 u26 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 u27 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 u29 d_or(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 u34 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 u35 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 u33 d_or(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 u32 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 u36 d_or(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/SN74120/SN74120.dcm b/library/SubcircuitLibrary/SN74120/SN74120.dcm
new file mode 100644
index 00000000..1980d0d1
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.dcm
@@ -0,0 +1,7 @@
+EESchema-DOCLIB Version 2.0
+#
+$CMP SCR
+D Thyristor
+$ENDCMP
+#
+#End Doc Library
diff --git a/library/SubcircuitLibrary/SN74120/SN74120.lib b/library/SubcircuitLibrary/SN74120/SN74120.lib
new file mode 100644
index 00000000..1eaaa230
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.lib
@@ -0,0 +1,834 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 10bitDAC
+#
+DEF 10bitDAC X 0 40 Y Y 1 F N
+F0 "X" 0 50 60 H V C CNN
+F1 "10bitDAC" -50 -50 60 H V C CNN
+F2 "" 0 50 60 H I C CNN
+F3 "" 0 50 60 H I C CNN
+DRAW
+S -500 500 400 -600 0 1 0 N
+X D0 1 -700 -500 200 R 50 50 1 1 I
+X D1 2 -700 -400 200 R 50 50 1 1 I
+X D2 3 -700 -300 200 R 50 50 1 1 I
+X D3 4 -700 -200 200 R 50 50 1 1 I
+X D4 5 -700 -100 200 R 50 50 1 1 I
+X D5 6 -700 0 200 R 50 50 1 1 I
+X D6 7 -700 100 200 R 50 50 1 1 I
+X D7 8 -700 200 200 R 50 50 1 1 I
+X D8 9 -700 300 200 R 50 50 1 1 I
+X D9 10 -700 400 200 R 50 50 1 1 I
+X AnalogOut 11 600 350 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# 2BITMUL
+#
+DEF 2BITMUL X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "2BITMUL" 0 0 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -300 400 300 -400 0 1 0 N
+X A0 1 -500 300 200 R 50 50 1 1 I
+X A1 2 -500 150 200 R 50 50 1 1 I
+X B0 3 -500 -50 200 R 50 50 1 1 I
+X B1 4 -500 -250 200 R 50 50 1 1 I
+X M0 5 500 250 200 L 50 50 1 1 O
+X M1 6 500 100 200 L 50 50 1 1 O
+X M2 7 500 -50 200 L 50 50 1 1 O
+X M3 8 500 -250 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# 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_OR
+#
+DEF 4_OR X 0 40 Y Y 1 F N
+F0 "X" 150 -100 60 H V C CNN
+F1 "4_OR" 150 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -800 0 650 226 -226 0 1 0 N -200 250 -200 -250
+A -73 134 444 -599 -176 0 1 0 N 150 -250 350 0
+A -30 -99 393 627 146 0 1 0 N 150 250 350 0
+P 2 0 1 0 -200 -250 150 -250 N
+P 2 0 1 0 -200 250 150 250 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 in4 4 -350 -150 200 R 50 50 1 1 I
+X out 5 550 0 200 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
+#
+# 556
+#
+DEF 556 X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "556" 0 0 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -300 400 250 -550 0 1 0 N
+X dis1 1 -500 150 200 R 50 50 1 1 I
+X thr1 2 -500 -150 200 R 50 50 1 1 I
+X cv1 3 -150 -750 200 U 50 50 1 1 I
+X rst1 4 -200 600 200 D 50 50 1 1 I
+X out1 5 -500 0 200 R 50 50 1 1 O
+X trig1 6 -500 -300 200 R 50 50 1 1 I
+X gnd 7 0 -750 200 U 50 50 1 1 I
+X trig2 8 450 -300 200 L 50 50 1 1 I
+X out2 9 450 0 200 L 50 50 1 1 O
+X rst2 10 100 600 200 D 50 50 1 1 I
+X cv2 11 150 -750 200 U 50 50 1 1 I
+X thr2 12 450 -150 200 L 50 50 1 1 I
+X dis2 13 450 150 200 L 50 50 1 1 I
+X vcc 14 -50 600 200 D 50 50 1 1 I
+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
+#
+# CMOS_NAND
+#
+DEF CMOS_NAND X 0 40 Y Y 1 F N
+F0 "X" -100 -150 60 H V C CNN
+F1 "CMOS_NAND" 0 -50 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+A 150 -50 381 668 -668 0 1 0 N 300 300 300 -400
+C 550 0 50 0 1 0 N
+P 2 0 1 0 -350 300 300 300 N
+P 3 0 1 0 -350 300 -350 -400 300 -400 N
+X in1 1 -550 250 200 R 50 50 1 1 I
+X in2 2 -550 -300 200 R 50 50 1 1 I
+X out 3 800 0 279 L 79 79 1 1 I
+ENDDRAW
+ENDDEF
+#
+# Clock_pulse_generator
+#
+DEF Clock_pulse_generator X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "Clock_pulse_generator" 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 -550 200 600 -300 0 1 0 N
+X Vdd 1 -750 100 200 R 50 50 1 1 I
+X R 2 -750 -50 200 R 50 50 1 1 I
+X C 3 -750 -200 200 R 50 50 1 1 I
+X Clkout 4 800 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# IC-LM3900
+#
+DEF IC-LM3900 X 0 40 Y Y 1 F N
+F0 "X" 0 -300 60 H V C CNN
+F1 "IC-LM3900" 0 -200 60 H V C CNN
+F2 "" 0 -200 60 H I C CNN
+F3 "" 0 -200 60 H I C CNN
+DRAW
+A -1200 -100 150 -899 899 0 0 0 N -1200 -250 -1200 50
+T 0 -550 -500 60 0 0 0 + Normal 0 C C
+T 0 -550 50 60 0 0 0 + Normal 0 C C
+T 0 750 -300 60 0 0 0 + Normal 0 C C
+T 0 750 250 60 0 0 0 + Normal 0 C C
+T 0 -550 -250 60 0 0 0 - Normal 0 C C
+T 0 -550 300 60 0 0 0 - Normal 0 C C
+T 0 750 -500 60 0 0 0 - Normal 0 C C
+T 0 750 50 60 0 0 0 - Normal 0 C C
+T 0 650 -400 60 0 0 0 1 Normal 0 C C
+T 0 -450 -400 60 0 0 0 2 Normal 0 C C
+T 0 650 150 60 0 0 0 3 Normal 0 C C
+T 0 -450 150 60 0 0 0 4 Normal 0 C C
+S -1200 750 1150 -1050 0 0 0 N
+P 3 0 0 0 -600 -550 -650 -550 -650 -800 N
+P 3 0 0 0 -200 -400 50 -400 50 -800 N
+P 3 0 0 0 400 -400 350 -400 350 -800 N
+P 3 0 0 0 800 0 950 0 950 500 N
+P 5 0 0 0 -600 -250 -800 -250 -800 -700 -300 -700 -300 -800 N
+P 5 0 0 0 -600 0 -800 0 -800 400 -300 400 -300 500 N
+P 5 0 0 0 -600 300 -700 300 -700 450 50 450 50 500 N
+P 5 0 0 0 -200 150 150 150 150 450 350 450 350 500 N
+P 5 0 0 0 400 150 250 150 250 400 650 400 650 500 N
+P 5 0 0 0 800 -550 900 -550 900 -750 650 -750 650 -800 N
+P 5 0 0 0 800 -250 950 -250 950 -650 -950 -650 -950 -800 N
+P 6 0 0 0 800 300 1000 300 1000 -100 -1000 -100 -1000 500 -650 500 N
+C -600 -400 71 0 1 0 N
+C -600 150 71 0 1 0 N
+C 800 -400 71 0 1 0 N
+C 800 150 71 0 1 0 N
+P 4 0 1 0 -650 -350 -600 -450 -550 -350 -650 -350 N
+P 4 0 1 0 -650 200 -600 100 -550 200 -650 200 N
+P 4 0 1 0 -600 -200 -600 -600 -200 -400 -600 -200 N
+P 4 0 1 0 -600 350 -600 -50 -200 150 -600 350 N
+P 4 0 1 0 800 -600 800 -200 400 -400 800 -600 N
+P 4 0 1 0 800 -50 800 350 400 150 800 -50 N
+P 4 0 1 0 850 -450 800 -350 750 -450 850 -450 N
+P 4 0 1 0 850 100 800 200 750 100 850 100 N
+X IN1+ 1 -950 -1250 200 U 50 50 1 1 I
+X IN2+ 2 -650 -1250 200 U 50 50 1 1 I
+X IN2- 3 -300 -1250 200 U 50 50 1 1 I
+X OUT2 4 50 -1250 200 U 50 50 1 1 O
+X OUT1 5 350 -1250 200 U 50 50 1 1 O
+X IN1- 6 650 -1250 200 U 50 50 1 1 I
+X GND 7 950 -1250 200 U 50 50 1 1 I
+X IN3- 8 950 950 200 D 50 50 1 1 I
+X OUT3 9 650 950 200 D 50 50 1 1 O
+X OUT4 10 350 950 200 D 50 50 1 1 O
+X IN4- 11 50 950 200 D 50 50 1 1 I
+X IN4+ 12 -300 950 200 D 50 50 1 1 I
+X IN3+ 13 -650 950 200 D 50 50 1 1 I
+X VCC 14 -950 950 200 D 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# IC_4002
+#
+DEF IC_4002 X 0 40 Y Y 1 F N
+F0 "X" 0 150 60 H V C CNN
+F1 "IC_4002" 0 0 60 H V C CNN
+F2 "" 50 -150 60 H V C CNN
+F3 "" 50 -150 60 H V C CNN
+DRAW
+S -250 350 250 -400 0 1 0 N
+X 1Y 1 -450 250 200 R 50 50 1 1 O
+X 1A 2 -450 150 200 R 50 50 1 1 I
+X 1B 3 -450 50 200 R 50 50 1 1 I
+X 1C 4 -450 -50 200 R 50 50 1 1 I
+X 1D 5 -450 -150 200 R 50 50 1 1 I
+X NC 6 -450 -250 200 R 50 50 1 1 I
+X GND 7 -450 -350 200 R 50 50 1 1 I
+X NC 8 450 -350 200 L 50 50 1 1 I
+X 2A 9 450 -250 200 L 50 50 1 1 I
+X 2B 10 450 -150 200 L 50 50 1 1 I
+X 2C 11 450 -50 200 L 50 50 1 1 I
+X 2D 12 450 50 200 L 50 50 1 1 I
+X 2Y 13 450 150 200 L 50 50 1 1 O
+X VCC 14 450 250 200 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# IC_4012
+#
+DEF IC_4012 X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "IC_4012" 0 200 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -300 400 350 -400 0 1 0 N
+X Q1 1 -500 300 200 R 50 50 1 1 O
+X A1 2 -500 200 200 R 50 50 1 1 I
+X B1 3 -500 100 200 R 50 50 1 1 I
+X C1 4 -500 0 200 R 50 50 1 1 I
+X D1 5 -500 -100 200 R 50 50 1 1 I
+X NC 6 -500 -200 200 R 50 50 1 1 N
+X VSS 7 -500 -300 200 R 50 50 1 1 I
+X NC 8 550 -300 200 L 50 50 1 1 N
+X A2 9 550 -200 200 L 50 50 1 1 I
+X B2 10 550 -100 200 L 50 50 1 1 I
+X C2 11 550 0 200 L 50 50 1 1 I
+X D2 12 550 100 200 L 50 50 1 1 I
+X Q2 13 550 200 200 L 50 50 1 1 O
+X VDD 14 550 300 200 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# IC_4017
+#
+DEF IC_4017 X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "IC_4017" 0 0 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -350 850 400 -850 0 1 0 N
+X 1 1 600 650 200 L 50 50 1 1 O
+X 2 2 600 500 200 L 50 50 1 1 O
+X 3 3 600 350 200 L 50 50 1 1 O
+X 4 4 600 200 200 L 50 50 1 1 O
+X 5 5 600 50 200 L 50 50 1 1 O
+X 6 6 600 -100 200 L 50 50 1 1 O
+X 7 7 600 -250 200 L 50 50 1 1 O
+X 8 8 600 -400 200 L 50 50 1 1 O
+X 9 9 600 -600 200 L 50 50 1 1 O
+X 10 10 600 -750 200 L 50 50 1 1 O
+X RST 11 -550 -400 200 R 50 50 1 1 I
+X CLK 12 -550 350 200 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# IC_4023
+#
+DEF IC_4023 X 0 40 Y Y 1 F N
+F0 "X" 0 -100 60 H V C CNN
+F1 "IC_4023" 0 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -300 450 300 -450 0 1 0 N
+X A1 1 -500 300 200 R 50 50 1 1 I
+X B1 2 -500 200 200 R 50 50 1 1 I
+X A2 3 -500 100 200 R 50 50 1 1 I
+X B2 4 -500 0 200 R 50 50 1 1 I
+X C2 5 -500 -100 200 R 50 50 1 1 I
+X Q2 6 -500 -200 200 R 50 50 1 1 O
+X Vss 7 -500 -300 200 R 50 50 1 1 I
+X C1 8 500 -300 200 L 50 50 1 1 I
+X Q1 9 500 -200 200 L 50 50 1 1 O
+X Q3 10 500 -100 200 L 50 50 1 1 O
+X C3 11 500 0 200 L 50 50 1 1 I
+X B3 12 500 100 200 L 50 50 1 1 I
+X A3 13 500 200 200 L 50 50 1 1 I
+X Vdd 14 500 300 200 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# IC_4028
+#
+DEF IC_4028 X 0 40 Y Y 1 F N
+F0 "X" 0 -100 60 H V C CNN
+F1 "IC_4028" 0 50 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -300 450 300 -450 0 1 0 N
+X Q4 1 -500 350 200 R 50 50 1 1 O
+X Q2 2 -500 250 200 R 50 50 1 1 O
+X Q0 3 -500 150 200 R 50 50 1 1 O
+X Q7 4 -500 50 200 R 50 50 1 1 O
+X Q9 5 -500 -50 200 R 50 50 1 1 O
+X Q5 6 -500 -150 200 R 50 50 1 1 O
+X Q6 7 -500 -250 200 R 50 50 1 1 O
+X Vss 8 -500 -350 200 R 50 50 1 1 I
+X Q8 9 500 -350 200 L 50 50 1 1 O
+X A0 10 500 -250 200 L 50 50 1 1 I
+X A3 11 500 -150 200 L 50 50 1 1 I
+X A2 12 500 -50 200 L 50 50 1 1 I
+X A1 13 500 50 200 L 50 50 1 1 I
+X Q1 14 500 150 200 L 50 50 1 1 O
+X Q3 15 500 250 200 L 50 50 1 1 O
+X Vdd 16 500 350 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# IC_4073
+#
+DEF IC_4073 X 0 40 Y Y 1 F N
+F0 "X" 0 -100 60 H V C CNN
+F1 "IC_4073" 0 50 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -300 400 300 -400 0 1 0 N
+X A1 1 -500 300 200 R 50 50 1 1 I
+X B1 2 -500 200 200 R 50 50 1 1 I
+X A2 3 -500 100 200 R 50 50 1 1 I
+X B2 4 -500 0 200 R 50 50 1 1 I
+X C2 5 -500 -100 200 R 50 50 1 1 I
+X Q2 6 -500 -200 200 R 50 50 1 1 O
+X Vss 7 -500 -300 200 R 50 50 1 1 I
+X C1 8 500 -300 200 L 50 50 1 1 I
+X Q1 9 500 -200 200 L 50 50 1 1 O
+X Q3 10 500 -100 200 L 50 50 1 1 O
+X A3 11 500 0 200 L 50 50 1 1 I
+X B3 12 500 100 200 L 50 50 1 1 I
+X C3 13 500 200 200 L 50 50 1 1 I
+X Vdd 14 500 300 200 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# IC_74153
+#
+DEF IC_74153 X 0 40 Y Y 1 F N
+F0 "X" 100 50 60 H V C CNN
+F1 "IC_74153" 100 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+T 0 100 -200 60 0 0 0 4:1 Normal 0 C C
+T 0 100 -100 60 0 0 0 DUAL Normal 0 C C
+T 0 100 -300 60 0 0 0 MUX Normal 0 C C
+S -200 500 350 -550 0 1 0 N
+X a0 1 -400 350 200 R 50 50 1 1 I
+X a1 2 -400 250 200 R 50 50 1 1 I
+X a2 3 -400 150 200 R 50 50 1 1 I
+X a3 4 -400 50 200 R 50 50 1 1 I
+X EA 5 0 700 200 D 50 50 1 1 I I
+X b0 6 -400 -150 200 R 50 50 1 1 I
+X b1 7 -400 -250 200 R 50 50 1 1 I
+X b2 8 -400 -350 200 R 50 50 1 1 I
+X b3 9 -400 -450 200 R 50 50 1 1 I
+X EB 10 200 700 200 D 50 50 1 1 I I
+X s1 11 50 -750 200 U 50 50 1 1 I
+X s0 12 150 -750 200 U 50 50 1 1 I
+X ya 13 550 250 200 L 50 50 1 1 O
+X yb 14 550 -300 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# IC_74154
+#
+DEF IC_74154 X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "IC_74154" 50 -50 60 H V C CNN
+F2 "" 0 50 60 H V C CNN
+F3 "" 0 50 60 H V C CNN
+DRAW
+T 0 0 400 60 0 0 0 4:16~ Normal 0 C C
+T 0 0 250 60 0 0 0 decoder Normal 0 C C
+S -350 700 400 -700 0 0 0 N
+X ~Y0 1 -550 550 200 R 50 50 1 1 O I
+X ~Y1 2 -550 450 200 R 50 50 1 1 O I
+X ~Y2 3 -550 350 200 R 50 50 1 1 O I
+X ~Y3 4 -550 250 200 R 50 50 1 1 O I
+X ~Y4 5 -550 150 200 R 50 50 1 1 O I
+X ~Y5 6 -550 50 200 R 50 50 1 1 O I
+X ~Y6 7 -550 -50 200 R 50 50 1 1 O I
+X ~Y7 8 -550 -150 200 R 50 50 1 1 O I
+X ~Y8 9 -550 -250 200 R 50 50 1 1 O I
+X ~Y9 10 -550 -350 200 R 50 50 1 1 O I
+X A3 20 600 150 200 L 50 50 1 1 I
+X ~Y10 11 -550 -450 200 R 50 50 1 1 O I
+X A2 21 600 250 200 L 50 50 1 1 I
+X GND 12 -550 -550 200 R 50 50 1 1 I
+X A1 22 600 350 200 L 50 50 1 1 I
+X ~Y11 13 600 -550 200 L 50 50 1 1 O I
+X A0 23 600 450 200 L 50 50 1 1 I
+X ~Y12 14 600 -450 200 L 50 50 1 1 O I
+X Vcc 24 600 550 200 L 50 50 1 1 I
+X ~Y13 15 600 -350 200 L 50 50 1 1 O I
+X ~Y14 16 600 -250 200 L 50 50 1 1 O I
+X ~Y15 17 600 -150 200 L 50 50 1 1 O I
+X ~E0 18 600 -50 200 L 50 50 1 1 I I
+X ~E1 19 600 50 200 L 50 50 1 1 I I
+ENDDRAW
+ENDDEF
+#
+# IC_74157
+#
+DEF IC_74157 X 0 40 Y Y 1 F N
+F0 "X" 50 -50 60 H V C CNN
+F1 "IC_74157" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+T 0 50 -300 60 0 0 0 2:1 Normal 0 C C
+T 0 50 -400 60 0 0 0 MUX Normal 0 C C
+T 0 50 -200 60 0 0 0 QUAD Normal 0 C C
+S -350 550 400 -650 0 1 0 N
+X a0 1 -550 450 200 R 50 50 1 1 I
+X a1 2 -550 300 200 R 50 50 1 1 I
+X b0 3 -550 200 200 R 50 50 1 1 I
+X b1 4 -550 100 200 R 50 50 1 1 I
+X c0 5 -550 0 200 R 50 50 1 1 I
+X c1 6 -550 -100 200 R 50 50 1 1 I
+X d0 7 -550 -200 200 R 50 50 1 1 I
+X d1 8 -550 -300 200 R 50 50 1 1 I
+X EN 9 -550 -550 200 R 50 50 1 1 I I
+X S 10 -550 -450 200 R 50 50 1 1 I
+X Yd 11 600 0 200 L 50 50 1 1 O
+X Ya 12 600 300 200 L 50 50 1 1 O
+X Yb 13 600 200 200 L 50 50 1 1 O
+X Yc 14 600 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# IC_7485
+#
+DEF IC_7485 X 0 40 Y Y 1 F N
+F0 "X" -50 -100 60 H V C CNN
+F1 "IC_7485" -50 50 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+T 0 0 550 60 0 0 0 4~BIT~comparator Normal 0 C C
+S -350 450 400 -400 0 1 0 N
+X A<B(in) 1 600 -100 200 L 50 50 1 1 I
+X A=B(in) 2 600 -200 200 L 50 50 1 1 I
+X A>B(in) 3 600 -300 200 L 50 50 1 1 I
+X A3 4 -550 100 200 R 50 50 1 1 I
+X B3 5 -550 -350 200 R 50 50 1 1 I
+X A2 6 -550 200 200 R 50 50 1 1 I
+X B2 7 -550 -250 200 R 50 50 1 1 I
+X A1 8 -550 300 200 R 50 50 1 1 I
+X B1 9 -550 -150 200 R 50 50 1 1 I
+X A0 10 -550 400 200 R 50 50 1 1 I
+X B0 11 -550 -50 200 R 50 50 1 1 I
+X A>B(out) 12 600 350 200 L 50 50 1 1 O
+X A=B(out) 13 600 250 200 L 50 50 1 1 O
+X A<B(out) 14 600 150 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# IC_LM3900
+#
+DEF IC_LM3900 X 0 40 Y Y 1 F N
+F0 "X" 4050 -2350 60 H V C CNN
+F1 "IC_LM3900" 4050 -2350 60 H V C CNN
+F2 "" 4050 -2350 60 H I C CNN
+F3 "" 4050 -2350 60 H I C CNN
+DRAW
+C 3650 -2350 112 0 1 0 N
+P 4 0 1 0 3550 -2300 3650 -2450 3750 -2300 3550 -2300 N
+P 5 0 1 0 3650 -2000 3650 -2700 4650 -2350 3650 -2000 3650 -2350 N
+X IN- 1 3450 -2100 200 R 50 50 1 1 I
+X IN+ 2 3450 -2600 200 R 50 50 1 1 I
+X OUT 3 4850 -2350 200 L 50 50 1 1 O
+X VCC 4 3950 -1900 200 D 50 50 1 1 I
+X GND 5 3950 -2800 200 U 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# INVCMOS
+#
+DEF INVCMOS X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "INVCMOS" -450 150 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+C 400 0 112 0 1 0 N
+S -250 200 -250 -200 0 1 0 N
+P 3 0 1 0 -250 200 300 0 -250 -200 N
+X in 1 -450 0 200 R 50 50 1 1 P
+X out 2 700 0 200 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# LM3900
+#
+DEF LM3900 X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "LM3900" 0 0 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -750 550 -750 550 0 1 0 N
+S -750 800 750 -1150 0 1 0 N
+X VCC 1 -950 550 200 R 50 50 1 1 I
+X GND 2 -950 -800 200 R 50 50 1 1 I
+X IN+ 3 -950 150 200 R 50 50 1 1 I
+X IN- 4 -950 -350 200 R 50 50 1 1 I
+X OUT 5 950 -100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# LM555N
+#
+DEF LM555N X 0 40 Y Y 1 F N
+F0 "X" 0 -50 60 H V C CNN
+F1 "LM555N" 0 100 60 H V C CNN
+F2 "" -50 0 60 H V C CNN
+F3 "" -50 0 60 H V C CNN
+DRAW
+S 350 -400 -350 400 0 1 0 N
+X GND 1 0 -600 200 U 50 50 1 1 W
+X TR 2 -550 250 200 R 50 50 1 1 I
+X Q 3 550 250 200 L 50 50 1 1 O
+X R 4 -550 -250 200 R 50 50 1 1 I I
+X CV 5 -550 0 200 R 50 50 1 1 I
+X THR 6 550 -250 200 L 50 50 1 1 I
+X DIS 7 550 0 200 L 50 50 1 1 I
+X VCC 8 0 600 200 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# LM_7812
+#
+DEF LM_7812 X 0 40 Y Y 1 F N
+F0 "X" 0 50 60 H V C CNN
+F1 "LM_7812" 0 150 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -350 200 350 -200 0 1 0 N
+X IN 1 -550 0 200 R 50 50 1 1 I
+X GND 2 0 -400 200 U 50 50 1 1 I
+X OUT 3 550 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# Lm_7805
+#
+DEF Lm_7805 X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "Lm_7805" 50 150 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -350 100 350 -200 0 1 0 N
+X Vin 1 -550 0 200 R 50 50 1 1 P
+X GND 2 0 -400 200 U 50 50 1 1 P
+X Vout 3 550 0 200 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# SCR
+#
+DEF SCR X 0 10 Y N 1 F N
+F0 "X" 150 200 50 H V C CNN
+F1 "SCR" 150 -350 50 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+P 2 0 0 0 -200 -150 200 -150 N
+P 2 0 1 0 0 -150 -200 -400 N
+P 3 0 1 0 -150 100 150 100 0 -150 F
+X A 1 0 400 300 D 60 60 1 1 I
+X K 2 0 -550 400 U 60 70 1 1 I
+X G 3 -350 -400 150 R 60 60 1 1 I
+ENDDRAW
+ENDDEF
+#
+# SN74120
+#
+DEF SN74120 X 0 40 Y Y 1 F N
+F0 "X" 0 800 60 H V C CNN
+F1 "SN74120" 0 1000 60 H V C CNN
+F2 "" 0 800 60 H I C CNN
+F3 "" 0 800 60 H I C CNN
+DRAW
+S -500 1100 500 -950 0 1 0 N
+X M_1 1 -700 950 200 R 50 50 1 1 I
+X S1_bar_1 2 -700 700 200 R 50 50 1 1 I
+X S2_bar_1 3 -700 450 200 R 50 50 1 1 I
+X R_bar_1 4 -700 200 200 R 50 50 1 1 I
+X C_1 5 -700 -50 200 R 50 50 1 1 I
+X Y_1 6 -700 -300 200 R 50 50 1 1 O
+X Y_bar_1 7 -700 -550 200 R 50 50 1 1 O
+X GND 8 -700 -800 200 R 50 50 1 1 I
+X Y_bar_2 9 700 -800 200 L 50 50 1 1 O
+X Y_2 10 700 -550 200 L 50 50 1 1 O
+X C_2 11 700 -300 200 L 50 50 1 1 I
+X R_bar_2 12 700 -50 200 L 50 50 1 1 I
+X S1_bar_2 13 700 200 200 L 50 50 1 1 I
+X S2_bar_2 14 700 450 200 L 50 50 1 1 I
+X M_2 15 700 700 200 L 50 50 1 1 I
+X VCC 16 700 950 200 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# UAF42
+#
+DEF UAF42 X 0 40 Y Y 1 F N
+F0 "X" 100 -100 60 H V C CNN
+F1 "UAF42" 100 0 60 H V C CNN
+F2 "" 100 0 60 H I C CNN
+F3 "" 100 0 60 H I C CNN
+DRAW
+S -550 800 750 -1250 0 1 0 N
+S 100 0 100 0 0 1 0 N
+X Low_Pass_O/P 1 -750 650 200 R 50 50 1 1 O
+X VIN3 2 -750 400 200 R 50 50 1 1 I
+X VIN2 3 -750 100 200 R 50 50 1 1 I
+X Auxiliary_In+ 4 -750 -200 200 R 50 50 1 1 I
+X Auxiliary_In- 5 -750 -550 200 R 50 50 1 1 I
+X Auxiliary_O/P 6 -750 -850 200 R 50 50 1 1 O
+X Band_Pass_O/P 7 -750 -1150 200 R 50 50 1 1 O
+X Freq_Adjust_1 8 950 -1150 200 L 50 50 1 1 I
+X V- 9 950 -850 200 L 50 50 1 1 I
+X V+ 10 950 -550 200 L 50 50 1 1 I
+X GND 11 950 -200 200 L 50 50 1 1 I
+X VIN1 12 950 100 200 L 50 50 1 1 I
+X High_Pass_O/P 13 950 400 200 L 50 50 1 1 O
+X Freq_Adjust_2 14 950 650 200 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# UJT
+#
+DEF UJT X 0 40 Y Y 1 F N
+F0 "X" -50 -50 60 H V C CNN
+F1 "UJT" 50 -50 60 H V C CNN
+F2 "" -50 -50 60 H I C CNN
+F3 "" -50 -50 60 H I C CNN
+DRAW
+C -50 -50 206 0 1 0 N
+P 2 0 1 0 -100 100 -100 -200 N
+P 3 0 1 0 -250 0 -200 0 -100 -100 N
+P 3 0 1 0 -200 -50 -150 -50 -150 0 N
+P 3 0 1 0 -100 -150 0 -150 0 -250 N
+P 3 0 1 0 -100 50 0 50 0 150 N
+X E 1 -450 0 200 R 50 50 1 1 I
+X B1 2 0 -450 200 U 50 50 1 1 B
+X B2 3 0 350 200 D 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
+# eSim_74LS04
+#
+DEF eSim_74LS04 X 0 40 Y Y 1 F N
+F0 "X" 0 100 60 H V C CNN
+F1 "eSim_74LS04" 0 0 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S 350 500 -350 -500 0 1 0 N
+X ~ 1 -550 450 200 R 50 50 1 1 P
+X ~ 2 -550 300 200 R 50 50 1 1 P I
+X ~ 3 -550 150 200 R 50 50 1 1 P
+X ~ 4 -550 0 200 R 50 50 1 1 P I
+X ~ 5 -550 -150 200 R 50 50 1 1 P
+X ~ 6 -550 -300 200 R 50 50 1 1 P I
+X GND 7 -550 -450 200 R 50 50 1 1 P
+X ~ 8 550 -450 200 L 50 50 1 1 P I
+X ~ 9 550 -300 200 L 50 50 1 1 P
+X ~ 10 550 -150 200 L 50 50 1 1 P I
+X ~ 11 550 0 200 L 50 50 1 1 P
+X ~ 12 550 150 200 L 50 50 1 1 P I
+X ~ 13 550 300 200 L 50 50 1 1 P
+X VCC 14 550 450 200 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# full_adder
+#
+DEF full_adder X 0 40 Y Y 1 F N
+F0 "X" 1400 700 60 H V C CNN
+F1 "full_adder" 1400 600 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S 800 1150 1950 0 0 1 0 N
+X IN1 1 600 950 200 R 50 50 1 1 I
+X IN2 2 600 550 200 R 50 50 1 1 I
+X CIN 3 600 150 200 R 50 50 1 1 I
+X SUM 4 2150 950 200 L 50 50 1 1 O
+X COUT 5 2150 150 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# full_sub
+#
+DEF full_sub X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "full_sub" 0 0 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -550 650 450 -600 0 1 0 N
+X A 1 -750 400 200 R 50 50 1 1 I
+X B 2 -750 200 200 R 50 50 1 1 I
+X BIN 3 -750 -200 200 R 50 50 1 1 I
+X DIFF 4 650 450 200 L 50 50 1 1 O
+X BORROW 5 650 150 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# half_adder
+#
+DEF half_adder X 0 40 Y Y 1 F N
+F0 "X" 900 500 60 H V C CNN
+F1 "half_adder" 900 400 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S 500 800 1250 0 0 1 0 N
+X IN1 1 300 700 200 R 50 50 1 1 I
+X IN2 2 300 100 200 R 50 50 1 1 I
+X SUM 3 1450 700 200 L 50 50 1 1 O
+X COUT 4 1450 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# half_sub
+#
+DEF half_sub X 0 40 Y Y 1 F N
+F0 "X" 0 0 60 H V C CNN
+F1 "half_sub" 0 0 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S -300 300 300 -300 0 1 0 N
+X A 1 -500 200 200 R 50 50 1 1 I
+X B 2 -500 -100 200 R 50 50 1 1 I
+X D 3 500 150 200 L 50 50 1 1 O
+X BORROW 4 500 -100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# lm_741
+#
+DEF lm_741 X 0 40 Y Y 1 F N
+F0 "X" -200 0 60 H V C CNN
+F1 "lm_741" -100 -250 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 -350 350 350 0 -350 -350 -350 350 N
+X off_null 1 -50 400 200 D 50 38 1 1 I
+X inv 2 -550 150 200 R 50 38 1 1 I
+X non_inv 3 -550 -100 200 R 50 38 1 1 I
+X v_neg 4 -150 -450 200 U 50 38 1 1 I
+X off_null 5 50 350 200 D 50 38 1 1 I
+X out 6 550 0 200 L 50 38 1 1 O
+X v_pos 7 -150 450 200 D 50 38 1 1 I
+X NC 8 150 -300 200 U 50 38 1 1 N
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/SN74120/SN74120.pro b/library/SubcircuitLibrary/SN74120/SN74120.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.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/SN74120/SN74120.sch b/library/SubcircuitLibrary/SN74120/SN74120.sch
new file mode 100644
index 00000000..94fd2e3a
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.sch
@@ -0,0 +1,1145 @@
+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:SN74120-cache
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
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+F 2 "" H 7900 3700 60 0000 C CNN
+F 3 "" H 7900 3700 60 0000 C CNN
+ 1 7900 3700
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 7300 3550 7550 3550
+Connection ~ 7300 2550
+Wire Wire Line
+ 7500 2900 8750 2900
+Connection ~ 7500 2900
+Wire Wire Line
+ 7400 3400 10150 3400
+Connection ~ 7400 2650
+Wire Wire Line
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+Wire Wire Line
+ 6000 700 5000 700
+Wire Wire Line
+ 6000 1600 5700 1600
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 7200 3650 7200 6000
+Wire Wire Line
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+Wire Wire Line
+ 6500 5150 3200 5150
+$Comp
+L d_inverter U30
+U 1 1 68316E5B
+P 9650 3200
+F 0 "U30" H 9650 3100 60 0000 C CNN
+F 1 "d_inverter" H 9650 3350 60 0000 C CNN
+F 2 "" H 9700 3150 60 0000 C CNN
+F 3 "" H 9700 3150 60 0000 C CNN
+ 1 9650 3200
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U31
+U 1 1 68316E61
+P 9650 3750
+F 0 "U31" H 9650 3650 60 0000 C CNN
+F 1 "d_inverter" H 9650 3900 60 0000 C CNN
+F 2 "" H 9700 3700 60 0000 C CNN
+F 3 "" H 9700 3700 60 0000 C CNN
+ 1 9650 3750
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U34
+U 1 1 68316E67
+P 9750 2850
+F 0 "U34" H 9750 2750 60 0000 C CNN
+F 1 "d_inverter" H 9750 3000 60 0000 C CNN
+F 2 "" H 9800 2800 60 0000 C CNN
+F 3 "" H 9800 2800 60 0000 C CNN
+ 1 9750 2850
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U35
+U 1 1 68316E6D
+P 9800 1500
+F 0 "U35" H 9800 1500 60 0000 C CNN
+F 1 "d_or" H 9800 1600 60 0000 C CNN
+F 2 "" H 9800 1500 60 0000 C CNN
+F 3 "" H 9800 1500 60 0000 C CNN
+ 1 9800 1500
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U33
+U 1 1 68316E73
+P 9750 2050
+F 0 "U33" H 9750 2050 60 0000 C CNN
+F 1 "d_or" H 9750 2150 60 0000 C CNN
+F 2 "" H 9750 2050 60 0000 C CNN
+F 3 "" H 9750 2050 60 0000 C CNN
+ 1 9750 2050
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U37
+U 1 1 68316E79
+P 10650 2250
+F 0 "U37" H 10650 2150 60 0000 C CNN
+F 1 "d_inverter" H 10650 2400 60 0000 C CNN
+F 2 "" H 10700 2200 60 0000 C CNN
+F 3 "" H 10700 2200 60 0000 C CNN
+ 1 10650 2250
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 10250 1450 10250 1750
+Wire Wire Line
+ 10250 1750 9300 1750
+Wire Wire Line
+ 9300 1750 9300 1950
+$Comp
+L d_inverter U32
+U 1 1 68316E84
+P 9700 2400
+F 0 "U32" H 9700 2300 60 0000 C CNN
+F 1 "d_inverter" H 9700 2550 60 0000 C CNN
+F 2 "" H 9750 2350 60 0000 C CNN
+F 3 "" H 9750 2350 60 0000 C CNN
+ 1 9700 2400
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8900 2450 9400 2450
+Wire Wire Line
+ 9400 2450 9400 2400
+Wire Wire Line
+ 10000 2400 10000 2200
+Wire Wire Line
+ 10000 2200 9300 2200
+Wire Wire Line
+ 9300 2200 9300 2050
+Wire Wire Line
+ 10200 1600 10200 2000
+Wire Wire Line
+ 10350 2650 10350 2250
+Connection ~ 10350 2650
+Wire Wire Line
+ 8900 3200 9350 3200
+Wire Wire Line
+ 9950 3200 10150 3200
+Wire Wire Line
+ 10150 3200 10150 3400
+Wire Wire Line
+ 9250 3400 9250 3750
+Wire Wire Line
+ 9250 3750 9350 3750
+Connection ~ 9250 3400
+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 9450 2650
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 8500 2650 8500 2250
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 8900 2650
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 9200 1600 10200 1600
+$Comp
+L d_or U36
+U 1 1 68317B2B
+P 10000 4300
+F 0 "U36" H 10000 4300 60 0000 C CNN
+F 1 "d_or" H 10000 4400 60 0000 C CNN
+F 2 "" H 10000 4300 60 0000 C CNN
+F 3 "" H 10000 4300 60 0000 C CNN
+ 1 10000 4300
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 10450 4250 10450 4650
+Wire Wire Line
+ 10450 4650 7550 4650
+Wire Wire Line
+ 10650 3750 10650 4500
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 11050 2300 11050 1750
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 10400 1400 10500 1400
+$Comp
+L PORT U1
+U 1 1 68319568
+P 700 4600
+F 0 "U1" H 750 4700 30 0000 C CNN
+F 1 "PORT" H 700 4600 30 0000 C CNN
+F 2 "" H 700 4600 60 0000 C CNN
+F 3 "" H 700 4600 60 0000 C CNN
+ 1 700 4600
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 683195DB
+P 650 2600
+F 0 "U1" H 700 2700 30 0000 C CNN
+F 1 "PORT" H 650 2600 30 0000 C CNN
+F 2 "" H 650 2600 60 0000 C CNN
+F 3 "" H 650 2600 60 0000 C CNN
+ 2 650 2600
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 68319654
+P 650 3150
+F 0 "U1" H 700 3250 30 0000 C CNN
+F 1 "PORT" H 650 3150 30 0000 C CNN
+F 2 "" H 650 3150 60 0000 C CNN
+F 3 "" H 650 3150 60 0000 C CNN
+ 3 650 3150
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 683196CF
+P 700 1200
+F 0 "U1" H 750 1300 30 0000 C CNN
+F 1 "PORT" H 700 1200 30 0000 C CNN
+F 2 "" H 700 1200 60 0000 C CNN
+F 3 "" H 700 1200 60 0000 C CNN
+ 4 700 1200
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 6831974C
+P 700 4200
+F 0 "U1" H 750 4300 30 0000 C CNN
+F 1 "PORT" H 700 4200 30 0000 C CNN
+F 2 "" H 700 4200 60 0000 C CNN
+F 3 "" H 700 4200 60 0000 C CNN
+ 5 700 4200
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 6 1 683197CD
+P 6650 3450
+F 0 "U1" H 6700 3550 30 0000 C CNN
+F 1 "PORT" H 6650 3450 30 0000 C CNN
+F 2 "" H 6650 3450 60 0000 C CNN
+F 3 "" H 6650 3450 60 0000 C CNN
+ 6 6650 3450
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 7 1 68319856
+P 6650 3850
+F 0 "U1" H 6700 3950 30 0000 C CNN
+F 1 "PORT" H 6650 3850 30 0000 C CNN
+F 2 "" H 6650 3850 60 0000 C CNN
+F 3 "" H 6650 3850 60 0000 C CNN
+ 7 6650 3850
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 8 1 683198D7
+P 1900 5050
+F 0 "U1" H 1950 5150 30 0000 C CNN
+F 1 "PORT" H 1900 5050 30 0000 C CNN
+F 2 "" H 1900 5050 60 0000 C CNN
+F 3 "" H 1900 5050 60 0000 C CNN
+ 8 1900 5050
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 6831995C
+P 10750 1400
+F 0 "U1" H 10800 1500 30 0000 C CNN
+F 1 "PORT" H 10750 1400 30 0000 C CNN
+F 2 "" H 10750 1400 60 0000 C CNN
+F 3 "" H 10750 1400 60 0000 C CNN
+ 9 10750 1400
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 10 1 683199DF
+P 10750 1000
+F 0 "U1" H 10800 1100 30 0000 C CNN
+F 1 "PORT" H 10750 1000 30 0000 C CNN
+F 2 "" H 10750 1000 60 0000 C CNN
+F 3 "" H 10750 1000 60 0000 C CNN
+ 10 10750 1000
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 11 1 68319A5E
+P 5650 5550
+F 0 "U1" H 5700 5650 30 0000 C CNN
+F 1 "PORT" H 5650 5550 30 0000 C CNN
+F 2 "" H 5650 5550 60 0000 C CNN
+F 3 "" H 5650 5550 60 0000 C CNN
+ 11 5650 5550
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 12 1 68319AF3
+P 4750 700
+F 0 "U1" H 4800 800 30 0000 C CNN
+F 1 "PORT" H 4750 700 30 0000 C CNN
+F 2 "" H 4750 700 60 0000 C CNN
+F 3 "" H 4750 700 60 0000 C CNN
+ 12 4750 700
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 13 1 68319B74
+P 4750 1000
+F 0 "U1" H 4800 1100 30 0000 C CNN
+F 1 "PORT" H 4750 1000 30 0000 C CNN
+F 2 "" H 4750 1000 60 0000 C CNN
+F 3 "" H 4750 1000 60 0000 C CNN
+ 13 4750 1000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 14 1 68319BFB
+P 4700 1400
+F 0 "U1" H 4750 1500 30 0000 C CNN
+F 1 "PORT" H 4700 1400 30 0000 C CNN
+F 2 "" H 4700 1400 60 0000 C CNN
+F 3 "" H 4700 1400 60 0000 C CNN
+ 14 4700 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 16 1 6831C548
+P 5650 6000
+F 0 "U1" H 5700 6100 30 0000 C CNN
+F 1 "PORT" H 5650 6000 30 0000 C CNN
+F 2 "" H 5650 6000 60 0000 C CNN
+F 3 "" H 5650 6000 60 0000 C CNN
+ 16 5650 6000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 15 1 6831C8C7
+P 1900 5450
+F 0 "U1" H 1950 5550 30 0000 C CNN
+F 1 "PORT" H 1900 5450 30 0000 C CNN
+F 2 "" H 1900 5450 60 0000 C CNN
+F 3 "" H 1900 5450 60 0000 C CNN
+ 15 1900 5450
+ 1 0 0 -1
+$EndComp
+Text Label 5200 700 0 60 ~ 0
+R_bar_2
+Text Label 5100 1000 0 60 ~ 0
+S1_bar_2
+Text Label 5000 1400 0 60 ~ 0
+S2_bar_2
+Text Label 6400 5550 0 60 ~ 0
+C_2
+Text Label 6300 6000 0 60 ~ 0
+M_2
+Text Label 10350 1200 0 60 ~ 0
+Y_2
+Text Label 10400 1600 0 60 ~ 0
+Y_bar_2
+Wire Wire Line
+ 2150 5050 2550 5050
+Wire Wire Line
+ 2150 5450 2550 5450
+Text Label 2250 5050 0 60 ~ 0
+GND
+Text Label 2250 5450 0 60 ~ 0
+VCC
+NoConn ~ 2550 5050
+NoConn ~ 2550 5450
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/SN74120/SN74120.sub b/library/SubcircuitLibrary/SN74120/SN74120.sub
new file mode 100644
index 00000000..915bc6bd
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120.sub
@@ -0,0 +1,157 @@
+* Subcircuit SN74120
+.subckt SN74120 /m_1 /s1_bar_1 /s2_bar_1 /r_bar_1 /c_1 /y_1 /y_bar_1 ? /y_bar_2 /y_2 /c_2 /r_bar_2 /s1_bar_2 /s2_bar_2 ? /m_2
+* c:\fossee\esim\library\subcircuitlibrary\sn74120\sn74120.cir
+.include 3_and.sub
+* u2 /r_bar_1 net-_u2-pad2_ d_inverter
+* u3 net-_u11-pad3_ net-_u3-pad2_ d_inverter
+* u4 net-_u4-pad1_ net-_u4-pad2_ d_inverter
+* u5 /s1_bar_1 net-_u5-pad2_ d_inverter
+* u6 /s2_bar_1 net-_u11-pad2_ d_inverter
+* u7 /c_1 net-_u7-pad2_ d_inverter
+* u8 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad1_ d_or
+* u9 net-_u4-pad2_ net-_u5-pad2_ net-_u11-pad1_ d_or
+* u11 net-_u11-pad1_ net-_u11-pad2_ net-_u11-pad3_ d_or
+* u10 net-_u10-pad1_ /c_1 /y_bar_1 d_nand
+* u12 net-_u12-pad1_ net-_u12-pad2_ d_inverter
+* u13 net-_u12-pad2_ net-_u13-pad2_ d_inverter
+* u16 /y_bar_1 net-_u16-pad2_ d_inverter
+* u17 net-_u17-pad1_ net-_u17-pad2_ net-_u15-pad1_ d_or
+* u15 net-_u15-pad1_ net-_u14-pad2_ net-_u10-pad1_ d_or
+* u19 net-_u16-pad2_ net-_u13-pad2_ net-_u19-pad3_ d_or
+* u18 /y_bar_1 /y_1 d_inverter
+x1 net-_u7-pad2_ net-_u11-pad3_ net-_u12-pad2_ net-_u17-pad1_ 3_and
+x2 net-_u11-pad3_ net-_u12-pad2_ net-_u10-pad1_ net-_u17-pad2_ 3_and
+x3 net-_u11-pad3_ /m_1 net-_u19-pad3_ net-_u12-pad1_ 3_and
+* u14 /y_bar_1 net-_u14-pad2_ d_inverter
+* u20 /r_bar_2 net-_u20-pad2_ d_inverter
+* u21 net-_u21-pad1_ net-_u21-pad2_ d_inverter
+* u22 net-_u22-pad1_ net-_u22-pad2_ d_inverter
+* u23 /s1_bar_2 net-_u23-pad2_ d_inverter
+* u24 /s2_bar_2 net-_u24-pad2_ d_inverter
+* u25 /c_2 net-_u25-pad2_ d_inverter
+* u26 net-_u20-pad2_ net-_u21-pad2_ net-_u22-pad1_ d_or
+* u27 net-_u22-pad2_ net-_u23-pad2_ net-_u27-pad3_ d_or
+* u29 net-_u27-pad3_ net-_u24-pad2_ net-_u21-pad1_ d_or
+* u28 net-_u28-pad1_ /c_2 /y_bar_2 d_nand
+x4 net-_u25-pad2_ net-_u21-pad1_ net-_u30-pad2_ net-_u35-pad1_ 3_and
+x5 net-_u21-pad1_ net-_u30-pad2_ net-_u28-pad1_ net-_u35-pad2_ 3_and
+x6 net-_u21-pad1_ /m_2 net-_u36-pad3_ net-_u30-pad1_ 3_and
+* u30 net-_u30-pad1_ net-_u30-pad2_ d_inverter
+* u31 net-_u30-pad2_ net-_u31-pad2_ d_inverter
+* u34 /y_bar_2 net-_u34-pad2_ d_inverter
+* u35 net-_u35-pad1_ net-_u35-pad2_ net-_u33-pad1_ d_or
+* u33 net-_u33-pad1_ net-_u32-pad2_ net-_u28-pad1_ d_or
+* u37 /y_bar_2 /y_2 d_inverter
+* u32 /y_bar_2 net-_u32-pad2_ d_inverter
+* u36 net-_u34-pad2_ net-_u31-pad2_ net-_u36-pad3_ d_or
+a1 /r_bar_1 net-_u2-pad2_ u2
+a2 net-_u11-pad3_ net-_u3-pad2_ u3
+a3 net-_u4-pad1_ net-_u4-pad2_ u4
+a4 /s1_bar_1 net-_u5-pad2_ u5
+a5 /s2_bar_1 net-_u11-pad2_ u6
+a6 /c_1 net-_u7-pad2_ u7
+a7 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u4-pad1_ u8
+a8 [net-_u4-pad2_ net-_u5-pad2_ ] net-_u11-pad1_ u9
+a9 [net-_u11-pad1_ net-_u11-pad2_ ] net-_u11-pad3_ u11
+a10 [net-_u10-pad1_ /c_1 ] /y_bar_1 u10
+a11 net-_u12-pad1_ net-_u12-pad2_ u12
+a12 net-_u12-pad2_ net-_u13-pad2_ u13
+a13 /y_bar_1 net-_u16-pad2_ u16
+a14 [net-_u17-pad1_ net-_u17-pad2_ ] net-_u15-pad1_ u17
+a15 [net-_u15-pad1_ net-_u14-pad2_ ] net-_u10-pad1_ u15
+a16 [net-_u16-pad2_ net-_u13-pad2_ ] net-_u19-pad3_ u19
+a17 /y_bar_1 /y_1 u18
+a18 /y_bar_1 net-_u14-pad2_ u14
+a19 /r_bar_2 net-_u20-pad2_ u20
+a20 net-_u21-pad1_ net-_u21-pad2_ u21
+a21 net-_u22-pad1_ net-_u22-pad2_ u22
+a22 /s1_bar_2 net-_u23-pad2_ u23
+a23 /s2_bar_2 net-_u24-pad2_ u24
+a24 /c_2 net-_u25-pad2_ u25
+a25 [net-_u20-pad2_ net-_u21-pad2_ ] net-_u22-pad1_ u26
+a26 [net-_u22-pad2_ net-_u23-pad2_ ] net-_u27-pad3_ u27
+a27 [net-_u27-pad3_ net-_u24-pad2_ ] net-_u21-pad1_ u29
+a28 [net-_u28-pad1_ /c_2 ] /y_bar_2 u28
+a29 net-_u30-pad1_ net-_u30-pad2_ u30
+a30 net-_u30-pad2_ net-_u31-pad2_ u31
+a31 /y_bar_2 net-_u34-pad2_ u34
+a32 [net-_u35-pad1_ net-_u35-pad2_ ] net-_u33-pad1_ u35
+a33 [net-_u33-pad1_ net-_u32-pad2_ ] net-_u28-pad1_ u33
+a34 /y_bar_2 /y_2 u37
+a35 /y_bar_2 net-_u32-pad2_ u32
+a36 [net-_u34-pad2_ net-_u31-pad2_ ] net-_u36-pad3_ u36
+* 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_or, NgSpice Name: d_or
+.model u8 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 u11 d_or(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_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 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 u16 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 u17 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_or, NgSpice Name: d_or
+.model u19 d_or(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 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 u20 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 u21 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 u22 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 u23 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 u24 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 u25 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 u26 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 u27 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 u29 d_or(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 u34 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 u35 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 u33 d_or(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 u32 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 u36 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends SN74120 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/SN74120/SN74120_Previous_Values.xml b/library/SubcircuitLibrary/SN74120/SN74120_Previous_Values.xml
new file mode 100644
index 00000000..596903b9
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/SN74120_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_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)" /></u8><u9 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)" /></u9><u11 name="type">d_or<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)" /></u11><u10 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)" /></u10><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><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><u16 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)" /></u16><u17 name="type">d_or<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)" /></u17><u15 name="type">d_or<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)" /></u15><u19 name="type">d_or<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)" /></u19><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><u14 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)" /></u14><u20 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)" /></u20><u21 name="type">d_inverter<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)" /></u21><u22 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)" /></u22><u23 name="type">d_inverter<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)" /></u23><u24 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)" /></u24><u25 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)" /></u25><u26 name="type">d_or<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)" /></u26><u27 name="type">d_or<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)" /></u27><u29 name="type">d_or<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)" /></u29><u28 name="type">d_nand<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><u30 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)" /></u30><u31 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)" /></u31><u34 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)" /></u34><u35 name="type">d_or<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)" /></u35><u33 name="type">d_or<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)" /></u33><u37 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)" /></u37><u32 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)" /></u32><u36 name="type">d_or<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)" /></u36></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\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></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/SN74120/analysis b/library/SubcircuitLibrary/SN74120/analysis
new file mode 100644
index 00000000..ebd5c0a9
--- /dev/null
+++ b/library/SubcircuitLibrary/SN74120/analysis
@@ -0,0 +1 @@
+.tran 0e-00 0e-00 0e-00 \ No newline at end of file