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-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and-cache.lib61
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.cir13
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.cir.out20
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.pro43
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.sch130
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.sub14
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR-cache.lib63
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir14
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir.out24
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.pro44
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sch150
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sub18
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47-cache.lib300
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir31
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir.out74
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sch775
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sub68
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin-cache.lib97
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir20
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir.out35
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sch312
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sub29
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/analysis1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin-cache.lib114
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir20
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir.out44
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sch298
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sub38
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin-cache.lib94
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir19
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir.out44
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sch260
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sub38
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin-cache.lib114
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir19
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir.out40
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sch270
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sub34
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin_Previous_Values.xml1
m---------library/SubcircuitLibrary/esim_ic_files/sn54ls48/eSim26
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin-cache.lib94
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir16
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir.out32
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sch189
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sub26
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin-cache.lib96
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir18
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir.out38
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sch259
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sub32
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin-cache.lib96
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir19
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir.out42
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sch272
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sub36
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48-cache.lib98
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir29
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir.out32
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.proj1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.sch442
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48_Previous_Values.xml1
79 files changed, 6343 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and-cache.lib
new file mode 100644
index 00000000..af058641
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/3_and.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.cir
new file mode 100644
index 00000000..ba296cf0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/3_and.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.cir.out
new file mode 100644
index 00000000..d7cf79a0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/3_and.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.pro
new file mode 100644
index 00000000..00597a5a
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/3_and.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.sch
new file mode 100644
index 00000000..d6ac89f9
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/3_and.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and.sub
new file mode 100644
index 00000000..3d9120bb
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/3_and_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_and_Previous_Values.xml
new file mode 100644
index 00000000..abc5faaa
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/3_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/esim_ic_files/sn54ls48/4_OR-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR-cache.lib
new file mode 100644
index 00000000..155f5e60
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR-cache.lib
@@ -0,0 +1,63 @@
+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_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/esim_ic_files/sn54ls48/4_OR.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir
new file mode 100644
index 00000000..b338b7b5
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir
@@ -0,0 +1,14 @@
+* C:\Users\malli\eSim\src\SubcircuitLibrary\4_OR\4_OR.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 03/28/19 22:47:12
+
+* 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_or
+U3 Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U3-Pad3_ d_or
+U4 Net-_U2-Pad3_ Net-_U3-Pad3_ Net-_U1-Pad5_ d_or
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U1-Pad5_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir.out
new file mode 100644
index 00000000..adb6b01b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.cir.out
@@ -0,0 +1,24 @@
+* c:\users\malli\esim\src\subcircuitlibrary\4_or\4_or.cir
+
+* u2 net-_u1-pad1_ net-_u1-pad2_ net-_u2-pad3_ d_or
+* u3 net-_u1-pad3_ net-_u1-pad4_ net-_u3-pad3_ d_or
+* u4 net-_u2-pad3_ net-_u3-pad3_ net-_u1-pad5_ d_or
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ port
+a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u2-pad3_ u2
+a2 [net-_u1-pad3_ net-_u1-pad4_ ] net-_u3-pad3_ u3
+a3 [net-_u2-pad3_ net-_u3-pad3_ ] net-_u1-pad5_ u4
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u2 d_or(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u3 d_or(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u4 d_or(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/esim_ic_files/sn54ls48/4_OR.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.pro
new file mode 100644
index 00000000..881563eb
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.pro
@@ -0,0 +1,44 @@
+update=06/01/19 12:36:09
+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=power
+LibName2=eSim_Analog
+LibName3=eSim_Devices
+LibName4=eSim_Digital
+LibName5=eSim_Hybrid
+LibName6=eSim_Miscellaneous
+LibName7=eSim_Plot
+LibName8=eSim_Power
+LibName9=eSim_User
+LibName10=eSim_Sources
+LibName11=eSim_Subckt
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sch
new file mode 100644
index 00000000..11896865
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sch
@@ -0,0 +1,150 @@
+EESchema Schematic File Version 2
+LIBS:power
+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
+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_or U2
+U 1 1 5C9D00E1
+P 4300 2950
+F 0 "U2" H 4300 2950 60 0000 C CNN
+F 1 "d_or" H 4300 3050 60 0000 C CNN
+F 2 "" H 4300 2950 60 0000 C CNN
+F 3 "" H 4300 2950 60 0000 C CNN
+ 1 4300 2950
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U3
+U 1 1 5C9D011F
+P 4300 3350
+F 0 "U3" H 4300 3350 60 0000 C CNN
+F 1 "d_or" H 4300 3450 60 0000 C CNN
+F 2 "" H 4300 3350 60 0000 C CNN
+F 3 "" H 4300 3350 60 0000 C CNN
+ 1 4300 3350
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U4
+U 1 1 5C9D0141
+P 5250 3150
+F 0 "U4" H 5250 3150 60 0000 C CNN
+F 1 "d_or" H 5250 3250 60 0000 C CNN
+F 2 "" H 5250 3150 60 0000 C CNN
+F 3 "" H 5250 3150 60 0000 C CNN
+ 1 5250 3150
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4800 3050 4800 2900
+Wire Wire Line
+ 4800 2900 4750 2900
+Wire Wire Line
+ 4800 3150 4800 3300
+Wire Wire Line
+ 4800 3300 4750 3300
+Wire Wire Line
+ 3350 2850 3850 2850
+Wire Wire Line
+ 3850 2950 3600 2950
+Wire Wire Line
+ 3850 3250 3350 3250
+Wire Wire Line
+ 3600 2950 3600 3000
+Wire Wire Line
+ 3600 3000 3350 3000
+Wire Wire Line
+ 3850 3350 3850 3400
+Wire Wire Line
+ 3850 3400 3350 3400
+Wire Wire Line
+ 5700 3100 6200 3100
+$Comp
+L PORT U1
+U 1 1 5C9D01F4
+P 3100 2850
+F 0 "U1" H 3150 2950 30 0000 C CNN
+F 1 "PORT" H 3100 2850 30 0000 C CNN
+F 2 "" H 3100 2850 60 0000 C CNN
+F 3 "" H 3100 2850 60 0000 C CNN
+ 1 3100 2850
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 5C9D022F
+P 3100 3000
+F 0 "U1" H 3150 3100 30 0000 C CNN
+F 1 "PORT" H 3100 3000 30 0000 C CNN
+F 2 "" H 3100 3000 60 0000 C CNN
+F 3 "" H 3100 3000 60 0000 C CNN
+ 2 3100 3000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 5C9D0271
+P 3100 3250
+F 0 "U1" H 3150 3350 30 0000 C CNN
+F 1 "PORT" H 3100 3250 30 0000 C CNN
+F 2 "" H 3100 3250 60 0000 C CNN
+F 3 "" H 3100 3250 60 0000 C CNN
+ 3 3100 3250
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 5C9D0299
+P 3100 3400
+F 0 "U1" H 3150 3500 30 0000 C CNN
+F 1 "PORT" H 3100 3400 30 0000 C CNN
+F 2 "" H 3100 3400 60 0000 C CNN
+F 3 "" H 3100 3400 60 0000 C CNN
+ 4 3100 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 5C9D02C2
+P 6450 3100
+F 0 "U1" H 6500 3200 30 0000 C CNN
+F 1 "PORT" H 6450 3100 30 0000 C CNN
+F 2 "" H 6450 3100 60 0000 C CNN
+F 3 "" H 6450 3100 60 0000 C CNN
+ 5 6450 3100
+ -1 0 0 1
+$EndComp
+Text Notes 3450 2850 0 60 ~ 12
+in1
+Text Notes 3450 3000 0 60 ~ 12
+in2
+Text Notes 3450 3250 0 60 ~ 12
+in3
+Text Notes 3450 3400 0 60 ~ 12
+in4
+Text Notes 5800 3100 0 60 ~ 12
+out
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sub
new file mode 100644
index 00000000..d1fd3a24
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR.sub
@@ -0,0 +1,18 @@
+* Subcircuit 4_OR
+.subckt 4_OR net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_
+* c:\users\malli\esim\src\subcircuitlibrary\4_or\4_or.cir
+* u2 net-_u1-pad1_ net-_u1-pad2_ net-_u2-pad3_ d_or
+* u3 net-_u1-pad3_ net-_u1-pad4_ net-_u3-pad3_ d_or
+* u4 net-_u2-pad3_ net-_u3-pad3_ net-_u1-pad5_ d_or
+a1 [net-_u1-pad1_ net-_u1-pad2_ ] net-_u2-pad3_ u2
+a2 [net-_u1-pad3_ net-_u1-pad4_ ] net-_u3-pad3_ u3
+a3 [net-_u2-pad3_ net-_u3-pad3_ ] net-_u1-pad5_ u4
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u2 d_or(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u3 d_or(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u4 d_or(fall_delay=1.0e-9 input_load=1.0e-12 rise_delay=1.0e-9 )
+* Control Statements
+
+.ends 4_OR \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR_Previous_Values.xml
new file mode 100644
index 00000000..0683d9eb
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/4_OR_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_or<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_or<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><u4 name="type">d_or<field7 name="Enter Fall Delay (default=1.0e-9)" /><field8 name="Enter Input Load (default=1.0e-12)" /><field9 name="Enter Rise Delay (default=1.0e-9)" /></u4></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/esim_ic_files/sn54ls48/74ls47-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47-cache.lib
new file mode 100644
index 00000000..78d3995f
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47-cache.lib
@@ -0,0 +1,300 @@
+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_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
+#
+# 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
+#
+# a_origin
+#
+DEF a_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "a_origin" 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 250 300 -250 -100 0 1 0 N
+X w 1 -450 250 200 R 50 50 1 1 I
+X x 2 -450 150 200 R 50 50 1 1 I
+X y 3 -450 50 200 R 50 50 1 1 I
+X z 4 -450 -50 200 R 50 50 1 1 I
+X a 5 450 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# adc_bridge_3
+#
+DEF adc_bridge_3 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "adc_bridge_3" 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 -200 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 OUT1 4 550 50 200 L 50 50 1 1 O
+X OUT2 5 550 -50 200 L 50 50 1 1 O
+X OUT3 6 550 -150 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# adc_bridge_4
+#
+DEF adc_bridge_4 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "adc_bridge_4" 0 300 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -350 350 350 -200 0 1 0 N
+X IN1 1 -550 200 200 R 50 50 1 1 I
+X IN2 2 -550 100 200 R 50 50 1 1 I
+X IN3 3 -550 0 200 R 50 50 1 1 I
+X IN4 4 -550 -100 200 R 50 50 1 1 I
+X OUT1 5 550 200 200 L 50 50 1 1 O
+X OUT2 6 550 100 200 L 50 50 1 1 O
+X OUT3 7 550 0 200 L 50 50 1 1 O
+X OUT4 8 550 -100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# b_origin
+#
+DEF b_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "b_origin" 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 250 300 -250 -100 0 1 0 N
+X w 1 -450 250 200 R 50 50 1 1 I
+X x 2 -450 150 200 R 50 50 1 1 I
+X y 3 -450 50 200 R 50 50 1 1 I
+X z 4 -450 -50 200 R 50 50 1 1 I
+X b 5 450 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# c_origin
+#
+DEF c_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "c_origin" 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 250 300 -250 -100 0 1 0 N
+X w 1 -450 250 200 R 50 50 1 1 I
+X x 2 -450 150 200 R 50 50 1 1 I
+X y 3 -450 50 200 R 50 50 1 1 I
+X z 4 -450 -50 200 R 50 50 1 1 I
+X c 5 450 100 200 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
+#
+# 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
+#
+# d_origin
+#
+DEF d_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "d_origin" 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 250 300 -250 -50 0 1 0 N
+X x 1 -450 250 200 R 50 50 1 1 I
+X y 2 -450 150 200 R 50 50 1 1 I
+X z 3 -450 50 200 R 50 50 1 1 I
+X d 4 450 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# dac_bridge_7
+#
+DEF dac_bridge_7 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "dac_bridge_7" 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 -600 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 OUT1 8 550 50 200 L 50 50 1 1 O
+X OUT2 9 550 -50 200 L 50 50 1 1 O
+X OUT3 10 550 -150 200 L 50 50 1 1 O
+X OUT4 11 550 -250 200 L 50 50 1 1 O
+X OUT5 12 550 -350 200 L 50 50 1 1 O
+X OUT6 13 550 -450 200 L 50 50 1 1 O
+X OUT7 14 550 -550 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# e_origin
+#
+DEF e_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -400 60 H V C CNN
+F1 "e_origin" 0 250 60 H V C CNN
+F2 "" 0 0 60 H I C CNN
+F3 "" 0 0 60 H I C CNN
+DRAW
+S 250 200 -250 -200 0 1 0 N
+X x 1 -450 100 200 R 50 50 1 1 I
+X y 2 -450 0 200 R 50 50 1 1 I
+X z 3 -450 -100 200 R 50 50 1 1 I
+X e 4 450 0 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# f_origin
+#
+DEF f_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "f_origin" 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 250 300 -250 -100 0 1 0 N
+X w 1 -450 250 200 R 50 50 1 1 I
+X x 2 -450 150 200 R 50 50 1 1 I
+X y 3 -450 50 200 R 50 50 1 1 I
+X z 4 -450 -50 200 R 50 50 1 1 I
+X f 5 450 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# g_origin
+#
+DEF g_origin X 0 40 Y Y 1 F N
+F0 "X" 0 -200 60 H V C CNN
+F1 "g_origin" 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 250 300 -250 -100 0 1 0 N
+X w 1 -450 250 200 R 50 50 1 1 I
+X x 2 -450 150 200 R 50 50 1 1 I
+X y 3 -450 50 200 R 50 50 1 1 I
+X z 4 -450 -50 200 R 50 50 1 1 I
+X g 5 450 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir
new file mode 100644
index 00000000..a64c338c
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir
@@ -0,0 +1,31 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\74ls47\74ls47.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/11/25 01:57:49
+
+* 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: /
+X3 Net-_U3-Pad5_ Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U5-Pad1_ a_origin
+X5 Net-_U3-Pad5_ Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U7-Pad1_ c_origin
+X6 Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U8-Pad1_ d_origin
+X7 Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U11-Pad1_ e_origin
+X8 Net-_U3-Pad5_ Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U9-Pad1_ f_origin
+U1 /w /x /y /z 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
+U3 /w /x /y /z Net-_U3-Pad5_ Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ adc_bridge_4
+X1 /RBI Net-_U3-Pad8_ Net-_U3-Pad7_ Net-_U3-Pad6_ Net-_U4-Pad1_ 4_OR
+U4 Net-_U4-Pad1_ Net-_U3-Pad5_ Net-_U4-Pad3_ d_or
+X2 /LT /BI Net-_U4-Pad3_ Net-_U10-Pad2_ 3_and
+U5 Net-_U5-Pad1_ Net-_U10-Pad2_ Net-_U12-Pad1_ d_and
+U6 Net-_U6-Pad1_ Net-_U10-Pad2_ Net-_U12-Pad2_ d_and
+U7 Net-_U7-Pad1_ Net-_U10-Pad2_ Net-_U12-Pad3_ d_and
+U8 Net-_U8-Pad1_ Net-_U10-Pad2_ Net-_U12-Pad4_ d_and
+U11 Net-_U11-Pad1_ Net-_U10-Pad2_ Net-_U11-Pad3_ d_and
+U9 Net-_U9-Pad1_ Net-_U10-Pad2_ Net-_U12-Pad6_ d_and
+U2 Net-_U1-Pad5_ Net-_U1-Pad6_ Net-_U1-Pad7_ /LT /BI /RBI adc_bridge_3
+U12 Net-_U12-Pad1_ Net-_U12-Pad2_ Net-_U12-Pad3_ Net-_U12-Pad4_ Net-_U11-Pad3_ Net-_U12-Pad6_ Net-_U10-Pad3_ Net-_U1-Pad8_ Net-_U1-Pad9_ Net-_U1-Pad10_ Net-_U1-Pad11_ Net-_U1-Pad12_ Net-_U1-Pad13_ Net-_U1-Pad14_ dac_bridge_7
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ d_and
+X4 Net-_U3-Pad5_ Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U6-Pad1_ b_origin
+X9 Net-_U3-Pad5_ Net-_U3-Pad6_ Net-_U3-Pad7_ Net-_U3-Pad8_ Net-_U10-Pad1_ g_origin
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir.out
new file mode 100644
index 00000000..21471ca2
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.cir.out
@@ -0,0 +1,74 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\74ls47\74ls47.cir
+
+.include 3_and.sub
+.include g_origin.sub
+.include e_origin.sub
+.include a_origin.sub
+.include 4_OR.sub
+.include c_origin.sub
+.include d_origin.sub
+.include b_origin.sub
+.include f_origin.sub
+x3 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u5-pad1_ a_origin
+x5 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u7-pad1_ c_origin
+x6 net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u8-pad1_ d_origin
+x7 net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u11-pad1_ e_origin
+x8 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u9-pad1_ f_origin
+* u1 /w /x /y /z 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
+* u3 /w /x /y /z net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ adc_bridge_4
+x1 /rbi net-_u3-pad8_ net-_u3-pad7_ net-_u3-pad6_ net-_u4-pad1_ 4_OR
+* u4 net-_u4-pad1_ net-_u3-pad5_ net-_u4-pad3_ d_or
+x2 /lt /bi net-_u4-pad3_ net-_u10-pad2_ 3_and
+* u5 net-_u5-pad1_ net-_u10-pad2_ net-_u12-pad1_ d_and
+* u6 net-_u6-pad1_ net-_u10-pad2_ net-_u12-pad2_ d_and
+* u7 net-_u7-pad1_ net-_u10-pad2_ net-_u12-pad3_ d_and
+* u8 net-_u8-pad1_ net-_u10-pad2_ net-_u12-pad4_ d_and
+* u11 net-_u11-pad1_ net-_u10-pad2_ net-_u11-pad3_ d_and
+* u9 net-_u9-pad1_ net-_u10-pad2_ net-_u12-pad6_ d_and
+* u2 net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ /lt /bi /rbi adc_bridge_3
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ net-_u12-pad4_ net-_u11-pad3_ net-_u12-pad6_ net-_u10-pad3_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ dac_bridge_7
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_and
+x4 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u6-pad1_ b_origin
+x9 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u10-pad1_ g_origin
+a1 [/w /x /y /z ] [net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ ] u3
+a2 [net-_u4-pad1_ net-_u3-pad5_ ] net-_u4-pad3_ u4
+a3 [net-_u5-pad1_ net-_u10-pad2_ ] net-_u12-pad1_ u5
+a4 [net-_u6-pad1_ net-_u10-pad2_ ] net-_u12-pad2_ u6
+a5 [net-_u7-pad1_ net-_u10-pad2_ ] net-_u12-pad3_ u7
+a6 [net-_u8-pad1_ net-_u10-pad2_ ] net-_u12-pad4_ u8
+a7 [net-_u11-pad1_ net-_u10-pad2_ ] net-_u11-pad3_ u11
+a8 [net-_u9-pad1_ net-_u10-pad2_ ] net-_u12-pad6_ u9
+a9 [net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ ] [/lt /bi /rbi ] u2
+a10 [net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ net-_u12-pad4_ net-_u11-pad3_ net-_u12-pad6_ net-_u10-pad3_ ] [net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ ] u12
+a11 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+* Schematic Name: adc_bridge_4, NgSpice Name: adc_bridge
+.model u3 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u4 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 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 u11 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: adc_bridge_3, 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: dac_bridge_7, NgSpice Name: dac_bridge
+.model u12 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 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u10 d_and(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/esim_ic_files/sn54ls48/74ls47.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.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/esim_ic_files/sn54ls48/74ls47.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sch
new file mode 100644
index 00000000..532d7dd4
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sch
@@ -0,0 +1,775 @@
+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:74ls47-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
+$Comp
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+F 3 "" H 5050 1300 60 0001 C CNN
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+ 1 0 0 -1
+$EndComp
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+F 3 "" H 5250 5650 60 0001 C CNN
+ 1 5250 5650
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+ 4 1600 1750
+ 1 0 0 -1
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+$Comp
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+ 5 1250 5500
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+ 6 1250 5800
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+ 7 1250 6100
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diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sub
new file mode 100644
index 00000000..a2e7a0fa
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47.sub
@@ -0,0 +1,68 @@
+* Subcircuit 74ls47
+.subckt 74ls47 /w /x /y /z 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:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\74ls47\74ls47.cir
+.include 3_and.sub
+.include g_origin.sub
+.include e_origin.sub
+.include a_origin.sub
+.include 4_OR.sub
+.include c_origin.sub
+.include d_origin.sub
+.include b_origin.sub
+.include f_origin.sub
+x3 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u5-pad1_ a_origin
+x5 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u7-pad1_ c_origin
+x6 net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u8-pad1_ d_origin
+x7 net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u11-pad1_ e_origin
+x8 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u9-pad1_ f_origin
+* u3 /w /x /y /z net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ adc_bridge_4
+x1 /rbi net-_u3-pad8_ net-_u3-pad7_ net-_u3-pad6_ net-_u4-pad1_ 4_OR
+* u4 net-_u4-pad1_ net-_u3-pad5_ net-_u4-pad3_ d_or
+x2 /lt /bi net-_u4-pad3_ net-_u10-pad2_ 3_and
+* u5 net-_u5-pad1_ net-_u10-pad2_ net-_u12-pad1_ d_and
+* u6 net-_u6-pad1_ net-_u10-pad2_ net-_u12-pad2_ d_and
+* u7 net-_u7-pad1_ net-_u10-pad2_ net-_u12-pad3_ d_and
+* u8 net-_u8-pad1_ net-_u10-pad2_ net-_u12-pad4_ d_and
+* u11 net-_u11-pad1_ net-_u10-pad2_ net-_u11-pad3_ d_and
+* u9 net-_u9-pad1_ net-_u10-pad2_ net-_u12-pad6_ d_and
+* u2 net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ /lt /bi /rbi adc_bridge_3
+* u12 net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ net-_u12-pad4_ net-_u11-pad3_ net-_u12-pad6_ net-_u10-pad3_ net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ dac_bridge_7
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_and
+x4 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u6-pad1_ b_origin
+x9 net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ net-_u10-pad1_ g_origin
+a1 [/w /x /y /z ] [net-_u3-pad5_ net-_u3-pad6_ net-_u3-pad7_ net-_u3-pad8_ ] u3
+a2 [net-_u4-pad1_ net-_u3-pad5_ ] net-_u4-pad3_ u4
+a3 [net-_u5-pad1_ net-_u10-pad2_ ] net-_u12-pad1_ u5
+a4 [net-_u6-pad1_ net-_u10-pad2_ ] net-_u12-pad2_ u6
+a5 [net-_u7-pad1_ net-_u10-pad2_ ] net-_u12-pad3_ u7
+a6 [net-_u8-pad1_ net-_u10-pad2_ ] net-_u12-pad4_ u8
+a7 [net-_u11-pad1_ net-_u10-pad2_ ] net-_u11-pad3_ u11
+a8 [net-_u9-pad1_ net-_u10-pad2_ ] net-_u12-pad6_ u9
+a9 [net-_u1-pad5_ net-_u1-pad6_ net-_u1-pad7_ ] [/lt /bi /rbi ] u2
+a10 [net-_u12-pad1_ net-_u12-pad2_ net-_u12-pad3_ net-_u12-pad4_ net-_u11-pad3_ net-_u12-pad6_ net-_u10-pad3_ ] [net-_u1-pad8_ net-_u1-pad9_ net-_u1-pad10_ net-_u1-pad11_ net-_u1-pad12_ net-_u1-pad13_ net-_u1-pad14_ ] u12
+a11 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+* Schematic Name: adc_bridge_4, NgSpice Name: adc_bridge
+.model u3 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u4 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 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 u11 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: adc_bridge_3, 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: dac_bridge_7, NgSpice Name: dac_bridge
+.model u12 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 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u10 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74ls47 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47_Previous_Values.xml
new file mode 100644
index 00000000..dcbdc226
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/74ls47_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u3 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)" /></u3><u4 name="type">d_or<field5 name="Enter Rise Delay (default=1.0e-9)" /><field6 name="Enter Fall Delay (default=1.0e-9)" /><field7 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_and<field8 name="Enter Rise Delay (default=1.0e-9)" /><field9 name="Enter Fall Delay (default=1.0e-9)" /><field10 name="Enter Input Load (default=1.0e-12)" /></u5><u6 name="type">d_and<field11 name="Enter Rise Delay (default=1.0e-9)" /><field12 name="Enter Fall Delay (default=1.0e-9)" /><field13 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_and<field14 name="Enter Rise Delay (default=1.0e-9)" /><field15 name="Enter Fall Delay (default=1.0e-9)" /><field16 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_and<field17 name="Enter Rise Delay (default=1.0e-9)" /><field18 name="Enter Fall Delay (default=1.0e-9)" /><field19 name="Enter Input Load (default=1.0e-12)" /></u8><u11 name="type">d_and<field20 name="Enter Rise Delay (default=1.0e-9)" /><field21 name="Enter Fall Delay (default=1.0e-9)" /><field22 name="Enter Input Load (default=1.0e-12)" /></u11><u9 name="type">d_and<field23 name="Enter Rise Delay (default=1.0e-9)" /><field24 name="Enter Fall Delay (default=1.0e-9)" /><field25 name="Enter Input Load (default=1.0e-12)" /></u9><u2 name="type">adc_bridge<field26 name="Enter value for in_low (default=1.0)" /><field27 name="Enter value for in_high (default=2.0)" /><field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /></u2><u12 name="type">dac_bridge<field30 name="Enter value for out_low (default=0.0)" /><field31 name="Enter value for out_high (default=5.0)" /><field32 name="Enter value for out_undef (default=0.5)" /><field33 name="Enter value for input load (default=1.0e-12)" /><field34 name="Enter the Rise Time (default=1.0e-9)" /><field35 name="Enter the Fall Time (default=1.0e-9)" /></u12><u10 name="type">d_and<field36 name="Enter Rise Delay (default=1.0e-9)" /><field37 name="Enter Fall Delay (default=1.0e-9)" /><field38 name="Enter Input Load (default=1.0e-12)" /></u10></model><devicemodel /><subcircuit><x3><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\a_origin</field></x3><x5><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\c_origin</field></x5><x6><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\d_origin</field></x6><x7><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\e_origin</field></x7><x8><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\f_origin</field></x8><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\4_OR</field></x1><x2><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x2><x4><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\b_origin</field></x4><x9><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\g_origin</field></x9></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/esim_ic_files/sn54ls48/a_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin-cache.lib
new file mode 100644
index 00000000..cba52382
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin-cache.lib
@@ -0,0 +1,97 @@
+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_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
+#
+# 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/esim_ic_files/sn54ls48/a_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir
new file mode 100644
index 00000000..7a7f0ef0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir
@@ -0,0 +1,20 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\a_origin\a_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/10/25 00:37:08
+
+* 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: /
+U1 /w /x /y /z Net-_U1-Pad5_ PORT
+U2 /w Net-_U2-Pad2_ d_inverter
+U3 /x Net-_U3-Pad2_ d_inverter
+U4 /y Net-_U4-Pad2_ d_inverter
+U5 /z Net-_U5-Pad2_ d_inverter
+X3 /x Net-_U4-Pad2_ /z Net-_X3-Pad4_ 3_and
+X1 /w Net-_U3-Pad2_ Net-_U4-Pad2_ Net-_X1-Pad4_ 3_and
+X2 Net-_U2-Pad2_ /y /z Net-_X2-Pad4_ 3_and
+X4 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U5-Pad2_ Net-_X4-Pad4_ 3_and
+X5 Net-_X3-Pad4_ Net-_X1-Pad4_ Net-_X2-Pad4_ Net-_X4-Pad4_ Net-_U1-Pad5_ 4_OR
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir.out
new file mode 100644
index 00000000..0017627e
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.cir.out
@@ -0,0 +1,35 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\a_origin\a_origin.cir
+
+.include 3_and.sub
+.include 4_OR.sub
+* u1 /w /x /y /z net-_u1-pad5_ port
+* u2 /w net-_u2-pad2_ d_inverter
+* u3 /x net-_u3-pad2_ d_inverter
+* u4 /y net-_u4-pad2_ d_inverter
+* u5 /z net-_u5-pad2_ d_inverter
+x3 /x net-_u4-pad2_ /z net-_x3-pad4_ 3_and
+x1 /w net-_u3-pad2_ net-_u4-pad2_ net-_x1-pad4_ 3_and
+x2 net-_u2-pad2_ /y /z net-_x2-pad4_ 3_and
+x4 net-_u2-pad2_ net-_u3-pad2_ net-_u5-pad2_ net-_x4-pad4_ 3_and
+x5 net-_x3-pad4_ net-_x1-pad4_ net-_x2-pad4_ net-_x4-pad4_ net-_u1-pad5_ 4_OR
+a1 /w net-_u2-pad2_ u2
+a2 /x net-_u3-pad2_ u3
+a3 /y net-_u4-pad2_ u4
+a4 /z net-_u5-pad2_ u5
+* 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 )
+.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/esim_ic_files/sn54ls48/a_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.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/esim_ic_files/sn54ls48/a_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sch
new file mode 100644
index 00000000..73d001b6
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sch
@@ -0,0 +1,312 @@
+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:a_origin-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 PORT U1
+U 1 1 67F4DD6F
+P 2350 1300
+F 0 "U1" H 2400 1400 30 0000 C CNN
+F 1 "PORT" H 2350 1300 30 0000 C CNN
+F 2 "" H 2350 1300 60 0000 C CNN
+F 3 "" H 2350 1300 60 0000 C CNN
+ 1 2350 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F4DDB6
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+F 2 "" H 3100 1300 60 0000 C CNN
+F 3 "" H 3100 1300 60 0000 C CNN
+ 2 3100 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F4DE11
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+F 2 "" H 3850 1300 60 0000 C CNN
+F 3 "" H 3850 1300 60 0000 C CNN
+ 3 3850 1300
+ 0 -1 1 0
+$EndComp
+$Comp
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+U 4 1 67F4DE68
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+ 4 4450 1300
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+$EndComp
+Text Label 2350 1650 3 60 ~ 0
+w
+Text Label 3100 1700 3 60 ~ 0
+x
+Text Label 3850 1700 3 60 ~ 0
+y
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+z
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+ 0 1 1 0
+$EndComp
+$Comp
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+$EndComp
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+ 0 1 1 0
+$EndComp
+$Comp
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+F 2 "" H 4850 2250 60 0000 C CNN
+F 3 "" H 4850 2250 60 0000 C CNN
+ 1 4800 2300
+ 0 1 1 0
+$EndComp
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+$EndComp
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+F 2 "" H 5450 3750 60 0000 C CNN
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+ 1 5450 3750
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+$EndComp
+Wire Wire Line
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+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6150 2900 6650 2900
+Wire Wire Line
+ 6650 2900 6650 3300
+Wire Wire Line
+ 5850 3300 6100 3300
+Wire Wire Line
+ 6100 3300 6100 3400
+Wire Wire Line
+ 6100 3400 6650 3400
+Wire Wire Line
+ 5950 3700 6050 3700
+Wire Wire Line
+ 6050 3700 6050 3500
+Wire Wire Line
+ 6050 3500 6650 3500
+Wire Wire Line
+ 6150 4250 6650 4250
+Wire Wire Line
+ 6650 4250 6650 3600
+Wire Wire Line
+ 7550 3450 7950 3450
+$Comp
+L PORT U1
+U 5 1 67F4E9A9
+P 8200 3450
+F 0 "U1" H 8250 3550 30 0000 C CNN
+F 1 "PORT" H 8200 3450 30 0000 C CNN
+F 2 "" H 8200 3450 60 0000 C CNN
+F 3 "" H 8200 3450 60 0000 C CNN
+ 5 8200 3450
+ -1 0 0 1
+$EndComp
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sub
new file mode 100644
index 00000000..039707d1
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin.sub
@@ -0,0 +1,29 @@
+* Subcircuit a_origin
+.subckt a_origin /w /x /y /z net-_u1-pad5_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\a_origin\a_origin.cir
+.include 3_and.sub
+.include 4_OR.sub
+* u2 /w net-_u2-pad2_ d_inverter
+* u3 /x net-_u3-pad2_ d_inverter
+* u4 /y net-_u4-pad2_ d_inverter
+* u5 /z net-_u5-pad2_ d_inverter
+x3 /x net-_u4-pad2_ /z net-_x3-pad4_ 3_and
+x1 /w net-_u3-pad2_ net-_u4-pad2_ net-_x1-pad4_ 3_and
+x2 net-_u2-pad2_ /y /z net-_x2-pad4_ 3_and
+x4 net-_u2-pad2_ net-_u3-pad2_ net-_u5-pad2_ net-_x4-pad4_ 3_and
+x5 net-_x3-pad4_ net-_x1-pad4_ net-_x2-pad4_ net-_x4-pad4_ net-_u1-pad5_ 4_OR
+a1 /w net-_u2-pad2_ u2
+a2 /x net-_u3-pad2_ u3
+a3 /y net-_u4-pad2_ u4
+a4 /z net-_u5-pad2_ u5
+* 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 )
+* Control Statements
+
+.ends a_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin_Previous_Values.xml
new file mode 100644
index 00000000..0ea212d8
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/a_origin_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></model><devicemodel /><subcircuit><x3><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x3><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1><x2><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x2><x4><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x4><x5><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\4_OR</field></x5></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/esim_ic_files/sn54ls48/analysis b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/analysis
new file mode 100644
index 00000000..f482494a
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/analysis
@@ -0,0 +1 @@
+.tran 1e-03 32e-03 0e-00 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin-cache.lib
new file mode 100644
index 00000000..6bcc3103
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin-cache.lib
@@ -0,0 +1,114 @@
+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_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
+#
+# 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
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir
new file mode 100644
index 00000000..ed5a9067
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir
@@ -0,0 +1,20 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\b_origin\b_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/11/25 01:52:12
+
+* 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: /
+U1 /w /x /y /z Net-_U1-Pad5_ PORT
+U2 /w Net-_U2-Pad2_ d_inverter
+U3 /x Net-_U3-Pad2_ d_inverter
+U4 /y Net-_U4-Pad2_ d_inverter
+U5 /z Net-_U5-Pad2_ d_inverter
+X2 Net-_U7-Pad3_ Net-_U8-Pad3_ Net-_U6-Pad3_ Net-_X1-Pad4_ Net-_U1-Pad5_ 4_OR
+X1 Net-_U2-Pad2_ /y /z Net-_X1-Pad4_ 3_and
+U6 Net-_U4-Pad2_ Net-_U5-Pad2_ Net-_U6-Pad3_ d_and
+U8 Net-_U3-Pad2_ Net-_U4-Pad2_ Net-_U8-Pad3_ d_and
+U7 Net-_U3-Pad2_ Net-_U2-Pad2_ Net-_U7-Pad3_ d_and
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir.out
new file mode 100644
index 00000000..6a79abc5
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.cir.out
@@ -0,0 +1,44 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\b_origin\b_origin.cir
+
+.include 3_and.sub
+.include 4_OR.sub
+* u1 /w /x /y /z net-_u1-pad5_ port
+* u2 /w net-_u2-pad2_ d_inverter
+* u3 /x net-_u3-pad2_ d_inverter
+* u4 /y net-_u4-pad2_ d_inverter
+* u5 /z net-_u5-pad2_ d_inverter
+x2 net-_u7-pad3_ net-_u8-pad3_ net-_u6-pad3_ net-_x1-pad4_ net-_u1-pad5_ 4_OR
+x1 net-_u2-pad2_ /y /z net-_x1-pad4_ 3_and
+* u6 net-_u4-pad2_ net-_u5-pad2_ net-_u6-pad3_ d_and
+* u8 net-_u3-pad2_ net-_u4-pad2_ net-_u8-pad3_ d_and
+* u7 net-_u3-pad2_ net-_u2-pad2_ net-_u7-pad3_ d_and
+a1 /w net-_u2-pad2_ u2
+a2 /x net-_u3-pad2_ u3
+a3 /y net-_u4-pad2_ u4
+a4 /z net-_u5-pad2_ u5
+a5 [net-_u4-pad2_ net-_u5-pad2_ ] net-_u6-pad3_ u6
+a6 [net-_u3-pad2_ net-_u4-pad2_ ] net-_u8-pad3_ u8
+a7 [net-_u3-pad2_ net-_u2-pad2_ ] net-_u7-pad3_ u7
+* 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_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 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 u7 d_and(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/esim_ic_files/sn54ls48/b_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.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/esim_ic_files/sn54ls48/b_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sch
new file mode 100644
index 00000000..a040bf91
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sch
@@ -0,0 +1,298 @@
+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:b_origin-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 PORT U1
+U 1 1 67F4E18C
+P 2350 1300
+F 0 "U1" H 2400 1400 30 0000 C CNN
+F 1 "PORT" H 2350 1300 30 0000 C CNN
+F 2 "" H 2350 1300 60 0000 C CNN
+F 3 "" H 2350 1300 60 0000 C CNN
+ 1 2350 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F4E18D
+P 3100 1300
+F 0 "U1" H 3150 1400 30 0000 C CNN
+F 1 "PORT" H 3100 1300 30 0000 C CNN
+F 2 "" H 3100 1300 60 0000 C CNN
+F 3 "" H 3100 1300 60 0000 C CNN
+ 2 3100 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F4E18E
+P 3850 1300
+F 0 "U1" H 3900 1400 30 0000 C CNN
+F 1 "PORT" H 3850 1300 30 0000 C CNN
+F 2 "" H 3850 1300 60 0000 C CNN
+F 3 "" H 3850 1300 60 0000 C CNN
+ 3 3850 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 4 1 67F4E18F
+P 4450 1300
+F 0 "U1" H 4500 1400 30 0000 C CNN
+F 1 "PORT" H 4450 1300 30 0000 C CNN
+F 2 "" H 4450 1300 60 0000 C CNN
+F 3 "" H 4450 1300 60 0000 C CNN
+ 4 4450 1300
+ 0 -1 1 0
+$EndComp
+Text Label 2350 1650 3 60 ~ 0
+w
+Text Label 3100 1700 3 60 ~ 0
+x
+Text Label 3850 1700 3 60 ~ 0
+y
+Text Label 4450 1700 3 60 ~ 0
+z
+$Comp
+L d_inverter U2
+U 1 1 67F4E190
+P 2600 2450
+F 0 "U2" H 2600 2350 60 0000 C CNN
+F 1 "d_inverter" H 2600 2600 60 0000 C CNN
+F 2 "" H 2650 2400 60 0000 C CNN
+F 3 "" H 2650 2400 60 0000 C CNN
+ 1 2600 2450
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 67F4E191
+P 3450 2450
+F 0 "U3" H 3450 2350 60 0000 C CNN
+F 1 "d_inverter" H 3450 2600 60 0000 C CNN
+F 2 "" H 3500 2400 60 0000 C CNN
+F 3 "" H 3500 2400 60 0000 C CNN
+ 1 3450 2450
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U4
+U 1 1 67F4E192
+P 4100 2400
+F 0 "U4" H 4100 2300 60 0000 C CNN
+F 1 "d_inverter" H 4100 2550 60 0000 C CNN
+F 2 "" H 4150 2350 60 0000 C CNN
+F 3 "" H 4150 2350 60 0000 C CNN
+ 1 4100 2400
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U5
+U 1 1 67F4E193
+P 4800 2300
+F 0 "U5" H 4800 2200 60 0000 C CNN
+F 1 "d_inverter" H 4800 2450 60 0000 C CNN
+F 2 "" H 4850 2250 60 0000 C CNN
+F 3 "" H 4850 2250 60 0000 C CNN
+ 1 4800 2300
+ 0 1 1 0
+$EndComp
+$Comp
+L 4_OR X2
+U 1 1 67F4E198
+P 7000 3450
+F 0 "X2" H 7150 3350 60 0000 C CNN
+F 1 "4_OR" H 7150 3550 60 0000 C CNN
+F 2 "" H 7000 3450 60 0000 C CNN
+F 3 "" H 7000 3450 60 0000 C CNN
+ 1 7000 3450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 67F4E199
+P 8200 3450
+F 0 "U1" H 8250 3550 30 0000 C CNN
+F 1 "PORT" H 8200 3450 30 0000 C CNN
+F 2 "" H 8200 3450 60 0000 C CNN
+F 3 "" H 8200 3450 60 0000 C CNN
+ 5 8200 3450
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 2350 2100 2600 2100
+Wire Wire Line
+ 2600 2100 2600 2150
+Connection ~ 2350 2100
+Wire Wire Line
+ 3100 2100 3450 2100
+Wire Wire Line
+ 3450 2100 3450 2150
+Connection ~ 3100 2100
+Wire Wire Line
+ 4100 2050 3850 2050
+Wire Wire Line
+ 3850 2050 3850 2100
+Connection ~ 3850 2100
+Wire Wire Line
+ 4100 2050 4100 2100
+Wire Wire Line
+ 4800 1950 4450 1950
+Connection ~ 4450 1950
+Wire Wire Line
+ 4800 1950 4800 2000
+Wire Wire Line
+ 6650 3600 6650 4850
+Wire Wire Line
+ 7550 3450 7950 3450
+Wire Wire Line
+ 2600 2750 2600 4750
+Wire Wire Line
+ 2600 3150 5350 3150
+Wire Wire Line
+ 3450 2750 3450 3550
+Wire Wire Line
+ 3450 3050 5350 3050
+Wire Wire Line
+ 3450 3550 5350 3550
+Connection ~ 3450 3050
+Wire Wire Line
+ 4100 2700 4100 4100
+Wire Wire Line
+ 4100 3650 5350 3650
+Wire Wire Line
+ 4100 4100 5300 4100
+Connection ~ 4100 3650
+Wire Wire Line
+ 4800 2600 4800 4200
+Wire Wire Line
+ 4800 4200 5300 4200
+Wire Wire Line
+ 2600 4750 5300 4750
+Connection ~ 2600 3150
+Wire Wire Line
+ 3850 1550 3850 4850
+Wire Wire Line
+ 3850 4850 5300 4850
+Wire Wire Line
+ 4450 1550 4450 4950
+Wire Wire Line
+ 4450 4950 5300 4950
+Wire Wire Line
+ 3100 1550 3100 2100
+Wire Wire Line
+ 2350 1550 2350 2100
+$Comp
+L 3_and X1
+U 1 1 67F4E4E1
+P 5650 4900
+F 0 "X1" H 5750 4850 60 0000 C CNN
+F 1 "3_and" H 5800 5050 60 0000 C CNN
+F 2 "" H 5650 4900 60 0000 C CNN
+F 3 "" H 5650 4900 60 0000 C CNN
+ 1 5650 4900
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 67F4E574
+P 5750 4200
+F 0 "U6" H 5750 4200 60 0000 C CNN
+F 1 "d_and" H 5800 4300 60 0000 C CNN
+F 2 "" H 5750 4200 60 0000 C CNN
+F 3 "" H 5750 4200 60 0000 C CNN
+ 1 5750 4200
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U8
+U 1 1 67F4E5DF
+P 5800 3650
+F 0 "U8" H 5800 3650 60 0000 C CNN
+F 1 "d_and" H 5850 3750 60 0000 C CNN
+F 2 "" H 5800 3650 60 0000 C CNN
+F 3 "" H 5800 3650 60 0000 C CNN
+ 1 5800 3650
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U7
+U 1 1 67F4E62C
+P 5800 3150
+F 0 "U7" H 5800 3150 60 0000 C CNN
+F 1 "d_and" H 5850 3250 60 0000 C CNN
+F 2 "" H 5800 3150 60 0000 C CNN
+F 3 "" H 5800 3150 60 0000 C CNN
+ 1 5800 3150
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6250 3100 6650 3100
+Wire Wire Line
+ 6650 3100 6650 3300
+Wire Wire Line
+ 6250 3600 6250 3400
+Wire Wire Line
+ 6250 3400 6650 3400
+Wire Wire Line
+ 6200 4150 6500 4150
+Wire Wire Line
+ 6500 4150 6500 3500
+Wire Wire Line
+ 6500 3500 6650 3500
+Wire Wire Line
+ 6650 4850 6150 4850
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sub
new file mode 100644
index 00000000..320abfc6
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin.sub
@@ -0,0 +1,38 @@
+* Subcircuit b_origin
+.subckt b_origin /w /x /y /z net-_u1-pad5_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\b_origin\b_origin.cir
+.include 3_and.sub
+.include 4_OR.sub
+* u2 /w net-_u2-pad2_ d_inverter
+* u3 /x net-_u3-pad2_ d_inverter
+* u4 /y net-_u4-pad2_ d_inverter
+* u5 /z net-_u5-pad2_ d_inverter
+x2 net-_u7-pad3_ net-_u8-pad3_ net-_u6-pad3_ net-_x1-pad4_ net-_u1-pad5_ 4_OR
+x1 net-_u2-pad2_ /y /z net-_x1-pad4_ 3_and
+* u6 net-_u4-pad2_ net-_u5-pad2_ net-_u6-pad3_ d_and
+* u8 net-_u3-pad2_ net-_u4-pad2_ net-_u8-pad3_ d_and
+* u7 net-_u3-pad2_ net-_u2-pad2_ net-_u7-pad3_ d_and
+a1 /w net-_u2-pad2_ u2
+a2 /x net-_u3-pad2_ u3
+a3 /y net-_u4-pad2_ u4
+a4 /z net-_u5-pad2_ u5
+a5 [net-_u4-pad2_ net-_u5-pad2_ ] net-_u6-pad3_ u6
+a6 [net-_u3-pad2_ net-_u4-pad2_ ] net-_u8-pad3_ u8
+a7 [net-_u3-pad2_ net-_u2-pad2_ ] net-_u7-pad3_ u7
+* 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_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 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 u7 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends b_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin_Previous_Values.xml
new file mode 100644
index 00000000..497562ca
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/b_origin_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_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)" /></u6><u8 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)" /></u8><u7 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)" /></u7></model><devicemodel /><subcircuit><x2><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\4_OR</field></x2><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1></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/esim_ic_files/sn54ls48/c_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin-cache.lib
new file mode 100644
index 00000000..889b4267
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin-cache.lib
@@ -0,0 +1,94 @@
+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_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/esim_ic_files/sn54ls48/c_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir
new file mode 100644
index 00000000..da0eb176
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir
@@ -0,0 +1,19 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\c_origin\c_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/10/25 00:45:18
+
+* 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: /
+U1 /w /x /y /z Net-_U1-Pad5_ PORT
+U2 /w Net-_U2-Pad2_ d_inverter
+U3 /x Net-_U3-Pad2_ d_inverter
+U4 /y Net-_U4-Pad2_ d_inverter
+U5 Net-_U3-Pad2_ Net-_U4-Pad2_ Net-_U5-Pad3_ d_and
+U6 Net-_U3-Pad2_ /z Net-_U6-Pad3_ d_and
+U7 Net-_U2-Pad2_ /x Net-_U7-Pad3_ d_and
+U8 Net-_U5-Pad3_ Net-_U6-Pad3_ Net-_U8-Pad3_ d_or
+U9 Net-_U8-Pad3_ Net-_U7-Pad3_ Net-_U1-Pad5_ d_or
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir.out
new file mode 100644
index 00000000..6eb3a7d8
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.cir.out
@@ -0,0 +1,44 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\c_origin\c_origin.cir
+
+* u1 /w /x /y /z net-_u1-pad5_ port
+* u2 /w net-_u2-pad2_ d_inverter
+* u3 /x net-_u3-pad2_ d_inverter
+* u4 /y net-_u4-pad2_ d_inverter
+* u5 net-_u3-pad2_ net-_u4-pad2_ net-_u5-pad3_ d_and
+* u6 net-_u3-pad2_ /z net-_u6-pad3_ d_and
+* u7 net-_u2-pad2_ /x net-_u7-pad3_ d_and
+* u8 net-_u5-pad3_ net-_u6-pad3_ net-_u8-pad3_ d_or
+* u9 net-_u8-pad3_ net-_u7-pad3_ net-_u1-pad5_ d_or
+a1 /w net-_u2-pad2_ u2
+a2 /x net-_u3-pad2_ u3
+a3 /y net-_u4-pad2_ u4
+a4 [net-_u3-pad2_ net-_u4-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u3-pad2_ /z ] net-_u6-pad3_ u6
+a6 [net-_u2-pad2_ /x ] net-_u7-pad3_ u7
+a7 [net-_u5-pad3_ net-_u6-pad3_ ] net-_u8-pad3_ u8
+a8 [net-_u8-pad3_ net-_u7-pad3_ ] net-_u1-pad5_ u9
+* 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_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_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 )
+.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/esim_ic_files/sn54ls48/c_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.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/esim_ic_files/sn54ls48/c_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sch
new file mode 100644
index 00000000..6fec8e04
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sch
@@ -0,0 +1,260 @@
+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:c_origin-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
+$Comp
+L PORT U1
+U 1 1 67F4E33E
+P 2350 1300
+F 0 "U1" H 2400 1400 30 0000 C CNN
+F 1 "PORT" H 2350 1300 30 0000 C CNN
+F 2 "" H 2350 1300 60 0000 C CNN
+F 3 "" H 2350 1300 60 0000 C CNN
+ 1 2350 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F4E33F
+P 3100 1300
+F 0 "U1" H 3150 1400 30 0000 C CNN
+F 1 "PORT" H 3100 1300 30 0000 C CNN
+F 2 "" H 3100 1300 60 0000 C CNN
+F 3 "" H 3100 1300 60 0000 C CNN
+ 2 3100 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F4E340
+P 3850 1300
+F 0 "U1" H 3900 1400 30 0000 C CNN
+F 1 "PORT" H 3850 1300 30 0000 C CNN
+F 2 "" H 3850 1300 60 0000 C CNN
+F 3 "" H 3850 1300 60 0000 C CNN
+ 3 3850 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 4 1 67F4E341
+P 4450 1300
+F 0 "U1" H 4500 1400 30 0000 C CNN
+F 1 "PORT" H 4450 1300 30 0000 C CNN
+F 2 "" H 4450 1300 60 0000 C CNN
+F 3 "" H 4450 1300 60 0000 C CNN
+ 4 4450 1300
+ 0 -1 1 0
+$EndComp
+Text Label 2350 1650 3 60 ~ 0
+w
+Text Label 3100 1700 3 60 ~ 0
+x
+Text Label 3850 1700 3 60 ~ 0
+y
+Text Label 4450 1700 3 60 ~ 0
+z
+$Comp
+L d_inverter U2
+U 1 1 67F4E342
+P 2600 2450
+F 0 "U2" H 2600 2350 60 0000 C CNN
+F 1 "d_inverter" H 2600 2600 60 0000 C CNN
+F 2 "" H 2650 2400 60 0000 C CNN
+F 3 "" H 2650 2400 60 0000 C CNN
+ 1 2600 2450
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 67F4E343
+P 3450 2450
+F 0 "U3" H 3450 2350 60 0000 C CNN
+F 1 "d_inverter" H 3450 2600 60 0000 C CNN
+F 2 "" H 3500 2400 60 0000 C CNN
+F 3 "" H 3500 2400 60 0000 C CNN
+ 1 3450 2450
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U4
+U 1 1 67F4E344
+P 4100 2400
+F 0 "U4" H 4100 2300 60 0000 C CNN
+F 1 "d_inverter" H 4100 2550 60 0000 C CNN
+F 2 "" H 4150 2350 60 0000 C CNN
+F 3 "" H 4150 2350 60 0000 C CNN
+ 1 4100 2400
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 2350 2100 2600 2100
+Wire Wire Line
+ 2600 2100 2600 2150
+Connection ~ 2350 2100
+Wire Wire Line
+ 3100 2100 3450 2100
+Wire Wire Line
+ 3450 2100 3450 2150
+Connection ~ 3100 2100
+Wire Wire Line
+ 4100 2050 4100 2100
+Connection ~ 4450 1950
+Wire Wire Line
+ 3100 1550 3100 3800
+Wire Wire Line
+ 2350 1550 2350 2100
+Wire Wire Line
+ 3450 2900 5400 2900
+Connection ~ 3450 2900
+Wire Wire Line
+ 4100 3000 5400 3000
+Connection ~ 4100 3000
+Wire Wire Line
+ 3450 3200 5400 3200
+Connection ~ 3450 3200
+Wire Wire Line
+ 4450 3300 5400 3300
+Connection ~ 4450 3300
+Wire Wire Line
+ 2600 3700 5400 3700
+Connection ~ 2600 3700
+Wire Wire Line
+ 3100 3800 5400 3800
+Wire Wire Line
+ 3450 3200 3450 2750
+Wire Wire Line
+ 2600 3700 2600 2750
+Wire Wire Line
+ 4100 3000 4100 2700
+Wire Wire Line
+ 4450 3300 4450 1550
+Wire Wire Line
+ 4100 2050 3850 2050
+Wire Wire Line
+ 3850 2050 3850 1550
+$Comp
+L d_and U5
+U 1 1 67F4E64B
+P 5850 3000
+F 0 "U5" H 5850 3000 60 0000 C CNN
+F 1 "d_and" H 5900 3100 60 0000 C CNN
+F 2 "" H 5850 3000 60 0000 C CNN
+F 3 "" H 5850 3000 60 0000 C CNN
+ 1 5850 3000
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 67F4E6B2
+P 5850 3300
+F 0 "U6" H 5850 3300 60 0000 C CNN
+F 1 "d_and" H 5900 3400 60 0000 C CNN
+F 2 "" H 5850 3300 60 0000 C CNN
+F 3 "" H 5850 3300 60 0000 C CNN
+ 1 5850 3300
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U7
+U 1 1 67F4E707
+P 5850 3800
+F 0 "U7" H 5850 3800 60 0000 C CNN
+F 1 "d_and" H 5900 3900 60 0000 C CNN
+F 2 "" H 5850 3800 60 0000 C CNN
+F 3 "" H 5850 3800 60 0000 C CNN
+ 1 5850 3800
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U8
+U 1 1 67F4E744
+P 6750 3050
+F 0 "U8" H 6750 3050 60 0000 C CNN
+F 1 "d_or" H 6750 3150 60 0000 C CNN
+F 2 "" H 6750 3050 60 0000 C CNN
+F 3 "" H 6750 3050 60 0000 C CNN
+ 1 6750 3050
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6300 3050 6300 3250
+$Comp
+L d_or U9
+U 1 1 67F4E7EF
+P 7650 3100
+F 0 "U9" H 7650 3100 60 0000 C CNN
+F 1 "d_or" H 7650 3200 60 0000 C CNN
+F 2 "" H 7650 3100 60 0000 C CNN
+F 3 "" H 7650 3100 60 0000 C CNN
+ 1 7650 3100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6300 3750 7200 3750
+Wire Wire Line
+ 7200 3750 7200 3100
+$Comp
+L PORT U1
+U 5 1 67F4E938
+P 8350 3050
+F 0 "U1" H 8400 3150 30 0000 C CNN
+F 1 "PORT" H 8350 3050 30 0000 C CNN
+F 2 "" H 8350 3050 60 0000 C CNN
+F 3 "" H 8350 3050 60 0000 C CNN
+ 5 8350 3050
+ -1 0 0 1
+$EndComp
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sub
new file mode 100644
index 00000000..fbe2fd03
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin.sub
@@ -0,0 +1,38 @@
+* Subcircuit c_origin
+.subckt c_origin /w /x /y /z net-_u1-pad5_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\c_origin\c_origin.cir
+* u2 /w net-_u2-pad2_ d_inverter
+* u3 /x net-_u3-pad2_ d_inverter
+* u4 /y net-_u4-pad2_ d_inverter
+* u5 net-_u3-pad2_ net-_u4-pad2_ net-_u5-pad3_ d_and
+* u6 net-_u3-pad2_ /z net-_u6-pad3_ d_and
+* u7 net-_u2-pad2_ /x net-_u7-pad3_ d_and
+* u8 net-_u5-pad3_ net-_u6-pad3_ net-_u8-pad3_ d_or
+* u9 net-_u8-pad3_ net-_u7-pad3_ net-_u1-pad5_ d_or
+a1 /w net-_u2-pad2_ u2
+a2 /x net-_u3-pad2_ u3
+a3 /y net-_u4-pad2_ u4
+a4 [net-_u3-pad2_ net-_u4-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u3-pad2_ /z ] net-_u6-pad3_ u6
+a6 [net-_u2-pad2_ /x ] net-_u7-pad3_ u7
+a7 [net-_u5-pad3_ net-_u6-pad3_ ] net-_u8-pad3_ u8
+a8 [net-_u8-pad3_ net-_u7-pad3_ ] net-_u1-pad5_ u9
+* 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_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_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 )
+* Control Statements
+
+.ends c_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin_Previous_Values.xml
new file mode 100644
index 00000000..4a1451aa
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/c_origin_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_and<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_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)" /></u6><u7 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)" /></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></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/esim_ic_files/sn54ls48/d_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin-cache.lib
new file mode 100644
index 00000000..6bcc3103
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin-cache.lib
@@ -0,0 +1,114 @@
+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_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
+#
+# 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
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir
new file mode 100644
index 00000000..d11eba94
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir
@@ -0,0 +1,19 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\d_origin\d_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/10/25 00:47:35
+
+* 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: /
+U1 /x /y /z Net-_U1-Pad4_ PORT
+U2 /x Net-_U2-Pad2_ d_inverter
+U3 /y Net-_U3-Pad2_ d_inverter
+U4 /z Net-_U4-Pad2_ d_inverter
+X2 Net-_U5-Pad3_ Net-_U6-Pad3_ Net-_U7-Pad3_ Net-_X1-Pad4_ Net-_U1-Pad4_ 4_OR
+U5 Net-_U2-Pad2_ Net-_U4-Pad2_ Net-_U5-Pad3_ d_and
+U6 Net-_U2-Pad2_ /y Net-_U6-Pad3_ d_and
+U7 /y Net-_U4-Pad2_ Net-_U7-Pad3_ d_and
+X1 /x Net-_U3-Pad2_ /z Net-_X1-Pad4_ 3_and
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir.out
new file mode 100644
index 00000000..53010be0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.cir.out
@@ -0,0 +1,40 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\d_origin\d_origin.cir
+
+.include 3_and.sub
+.include 4_OR.sub
+* u1 /x /y /z net-_u1-pad4_ port
+* u2 /x net-_u2-pad2_ d_inverter
+* u3 /y net-_u3-pad2_ d_inverter
+* u4 /z net-_u4-pad2_ d_inverter
+x2 net-_u5-pad3_ net-_u6-pad3_ net-_u7-pad3_ net-_x1-pad4_ net-_u1-pad4_ 4_OR
+* u5 net-_u2-pad2_ net-_u4-pad2_ net-_u5-pad3_ d_and
+* u6 net-_u2-pad2_ /y net-_u6-pad3_ d_and
+* u7 /y net-_u4-pad2_ net-_u7-pad3_ d_and
+x1 /x net-_u3-pad2_ /z net-_x1-pad4_ 3_and
+a1 /x net-_u2-pad2_ u2
+a2 /y net-_u3-pad2_ u3
+a3 /z net-_u4-pad2_ u4
+a4 [net-_u2-pad2_ net-_u4-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u2-pad2_ /y ] net-_u6-pad3_ u6
+a6 [/y net-_u4-pad2_ ] net-_u7-pad3_ u7
+* 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_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 )
+.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/esim_ic_files/sn54ls48/d_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.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/esim_ic_files/sn54ls48/d_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sch
new file mode 100644
index 00000000..ec9a3d9e
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sch
@@ -0,0 +1,270 @@
+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:d_origin-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 PORT U1
+U 1 1 67F4E50B
+P 3100 1300
+F 0 "U1" H 3150 1400 30 0000 C CNN
+F 1 "PORT" H 3100 1300 30 0000 C CNN
+F 2 "" H 3100 1300 60 0000 C CNN
+F 3 "" H 3100 1300 60 0000 C CNN
+ 1 3100 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F4E50C
+P 3850 1300
+F 0 "U1" H 3900 1400 30 0000 C CNN
+F 1 "PORT" H 3850 1300 30 0000 C CNN
+F 2 "" H 3850 1300 60 0000 C CNN
+F 3 "" H 3850 1300 60 0000 C CNN
+ 2 3850 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F4E50D
+P 4450 1300
+F 0 "U1" H 4500 1400 30 0000 C CNN
+F 1 "PORT" H 4450 1300 30 0000 C CNN
+F 2 "" H 4450 1300 60 0000 C CNN
+F 3 "" H 4450 1300 60 0000 C CNN
+ 3 4450 1300
+ 0 -1 1 0
+$EndComp
+Text Label 3100 1700 3 60 ~ 0
+x
+Text Label 3850 1700 3 60 ~ 0
+y
+Text Label 4450 1700 3 60 ~ 0
+z
+$Comp
+L d_inverter U2
+U 1 1 67F4E50F
+P 3450 2450
+F 0 "U2" H 3450 2350 60 0000 C CNN
+F 1 "d_inverter" H 3450 2600 60 0000 C CNN
+F 2 "" H 3500 2400 60 0000 C CNN
+F 3 "" H 3500 2400 60 0000 C CNN
+ 1 3450 2450
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 67F4E510
+P 4100 2400
+F 0 "U3" H 4100 2300 60 0000 C CNN
+F 1 "d_inverter" H 4100 2550 60 0000 C CNN
+F 2 "" H 4150 2350 60 0000 C CNN
+F 3 "" H 4150 2350 60 0000 C CNN
+ 1 4100 2400
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U4
+U 1 1 67F4E511
+P 4800 2300
+F 0 "U4" H 4800 2200 60 0000 C CNN
+F 1 "d_inverter" H 4800 2450 60 0000 C CNN
+F 2 "" H 4850 2250 60 0000 C CNN
+F 3 "" H 4850 2250 60 0000 C CNN
+ 1 4800 2300
+ 0 1 1 0
+$EndComp
+$Comp
+L 4_OR X2
+U 1 1 67F4E512
+P 7050 3400
+F 0 "X2" H 7200 3300 60 0000 C CNN
+F 1 "4_OR" H 7200 3500 60 0000 C CNN
+F 2 "" H 7050 3400 60 0000 C CNN
+F 3 "" H 7050 3400 60 0000 C CNN
+ 1 7050 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 67F4E513
+P 8250 3400
+F 0 "U1" H 8300 3500 30 0000 C CNN
+F 1 "PORT" H 8250 3400 30 0000 C CNN
+F 2 "" H 8250 3400 60 0000 C CNN
+F 3 "" H 8250 3400 60 0000 C CNN
+ 4 8250 3400
+ -1 0 0 1
+$EndComp
+$Comp
+L d_and U5
+U 1 1 67F4E754
+P 5650 3000
+F 0 "U5" H 5650 3000 60 0000 C CNN
+F 1 "d_and" H 5700 3100 60 0000 C CNN
+F 2 "" H 5650 3000 60 0000 C CNN
+F 3 "" H 5650 3000 60 0000 C CNN
+ 1 5650 3000
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 67F4E7A8
+P 5650 3300
+F 0 "U6" H 5650 3300 60 0000 C CNN
+F 1 "d_and" H 5700 3400 60 0000 C CNN
+F 2 "" H 5650 3300 60 0000 C CNN
+F 3 "" H 5650 3300 60 0000 C CNN
+ 1 5650 3300
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U7
+U 1 1 67F4E7E1
+P 5700 3600
+F 0 "U7" H 5700 3600 60 0000 C CNN
+F 1 "d_and" H 5750 3700 60 0000 C CNN
+F 2 "" H 5700 3600 60 0000 C CNN
+F 3 "" H 5700 3600 60 0000 C CNN
+ 1 5700 3600
+ 1 0 0 -1
+$EndComp
+$Comp
+L 3_and X1
+U 1 1 67F4E85E
+P 5550 4050
+F 0 "X1" H 5650 4000 60 0000 C CNN
+F 1 "3_and" H 5700 4200 60 0000 C CNN
+F 2 "" H 5550 4050 60 0000 C CNN
+F 3 "" H 5550 4050 60 0000 C CNN
+ 1 5550 4050
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3100 2100 3450 2100
+Wire Wire Line
+ 3450 2100 3450 2150
+Connection ~ 3100 2100
+Wire Wire Line
+ 4100 2050 3850 2050
+Wire Wire Line
+ 3850 2050 3850 2100
+Connection ~ 3850 2100
+Wire Wire Line
+ 4100 2050 4100 2100
+Wire Wire Line
+ 4800 1950 4450 1950
+Connection ~ 4450 1950
+Wire Wire Line
+ 4800 1950 4800 2000
+Wire Wire Line
+ 7600 3400 8000 3400
+Wire Wire Line
+ 3100 1550 3100 3900
+Wire Wire Line
+ 3450 2900 5200 2900
+Connection ~ 3450 2900
+Wire Wire Line
+ 4800 3000 5200 3000
+Connection ~ 4800 3000
+Wire Wire Line
+ 3450 3200 5200 3200
+Connection ~ 3450 3200
+Wire Wire Line
+ 3850 3300 5200 3300
+Connection ~ 3850 3300
+Wire Wire Line
+ 3850 3500 5250 3500
+Connection ~ 3850 3500
+Wire Wire Line
+ 4800 3600 5250 3600
+Connection ~ 4800 3600
+Wire Wire Line
+ 3100 3900 5200 3900
+Wire Wire Line
+ 4100 4000 5200 4000
+Connection ~ 4100 4000
+Wire Wire Line
+ 4450 4100 5200 4100
+Connection ~ 4450 4100
+Wire Wire Line
+ 4450 4100 4450 1550
+Wire Wire Line
+ 4100 4000 4100 2700
+Wire Wire Line
+ 4800 3600 4800 2600
+Wire Wire Line
+ 3850 1550 3850 3500
+Wire Wire Line
+ 3450 2750 3450 3200
+Wire Wire Line
+ 6100 2950 6700 2950
+Wire Wire Line
+ 6700 2950 6700 3250
+Wire Wire Line
+ 6100 3250 6550 3250
+Wire Wire Line
+ 6550 3250 6550 3350
+Wire Wire Line
+ 6550 3350 6700 3350
+Wire Wire Line
+ 6150 3550 6150 3450
+Wire Wire Line
+ 6150 3450 6700 3450
+Wire Wire Line
+ 6050 4000 6700 4000
+Wire Wire Line
+ 6700 4000 6700 3550
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sub
new file mode 100644
index 00000000..142ad7c3
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin.sub
@@ -0,0 +1,34 @@
+* Subcircuit d_origin
+.subckt d_origin /x /y /z net-_u1-pad4_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\d_origin\d_origin.cir
+.include 3_and.sub
+.include 4_OR.sub
+* u2 /x net-_u2-pad2_ d_inverter
+* u3 /y net-_u3-pad2_ d_inverter
+* u4 /z net-_u4-pad2_ d_inverter
+x2 net-_u5-pad3_ net-_u6-pad3_ net-_u7-pad3_ net-_x1-pad4_ net-_u1-pad4_ 4_OR
+* u5 net-_u2-pad2_ net-_u4-pad2_ net-_u5-pad3_ d_and
+* u6 net-_u2-pad2_ /y net-_u6-pad3_ d_and
+* u7 /y net-_u4-pad2_ net-_u7-pad3_ d_and
+x1 /x net-_u3-pad2_ /z net-_x1-pad4_ 3_and
+a1 /x net-_u2-pad2_ u2
+a2 /y net-_u3-pad2_ u3
+a3 /z net-_u4-pad2_ u4
+a4 [net-_u2-pad2_ net-_u4-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u2-pad2_ /y ] net-_u6-pad3_ u6
+a6 [/y net-_u4-pad2_ ] net-_u7-pad3_ u7
+* 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_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 )
+* Control Statements
+
+.ends d_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin_Previous_Values.xml
new file mode 100644
index 00000000..a999d337
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/d_origin_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_and<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_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)" /></u6><u7 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)" /></u7></model><devicemodel /><subcircuit><x2><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\4_OR</field></x2><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\3_and</field></x1></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/esim_ic_files/sn54ls48/eSim b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/eSim
new file mode 160000
+Subproject de13d725c1ffd3e0754b22c0070c0a8be8b829e
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin-cache.lib
new file mode 100644
index 00000000..889b4267
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin-cache.lib
@@ -0,0 +1,94 @@
+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_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/esim_ic_files/sn54ls48/e_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir
new file mode 100644
index 00000000..6f011078
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir
@@ -0,0 +1,16 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\e_origin\e_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/11/25 01:14:48
+
+* 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: /
+U1 /x /y /z Net-_U1-Pad4_ PORT
+U2 /x Net-_U2-Pad2_ d_inverter
+U3 /z Net-_U3-Pad2_ d_inverter
+U4 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U4-Pad3_ d_and
+U5 /y Net-_U3-Pad2_ Net-_U5-Pad3_ d_and
+U6 Net-_U4-Pad3_ Net-_U5-Pad3_ Net-_U1-Pad4_ d_or
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir.out
new file mode 100644
index 00000000..9aa2614a
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.cir.out
@@ -0,0 +1,32 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\e_origin\e_origin.cir
+
+* u1 /x /y /z net-_u1-pad4_ port
+* u2 /x net-_u2-pad2_ d_inverter
+* u3 /z net-_u3-pad2_ d_inverter
+* u4 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad3_ d_and
+* u5 /y net-_u3-pad2_ net-_u5-pad3_ d_and
+* u6 net-_u4-pad3_ net-_u5-pad3_ net-_u1-pad4_ d_or
+a1 /x net-_u2-pad2_ u2
+a2 /z net-_u3-pad2_ u3
+a3 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u4-pad3_ u4
+a4 [/y net-_u3-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u4-pad3_ net-_u5-pad3_ ] net-_u1-pad4_ u6
+* 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 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_or, NgSpice Name: d_or
+.model u6 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/esim_ic_files/sn54ls48/e_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.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/esim_ic_files/sn54ls48/e_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sch
new file mode 100644
index 00000000..6054d4fa
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sch
@@ -0,0 +1,189 @@
+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:e_origin-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
+$Comp
+L PORT U1
+U 1 1 67F6CA9D
+P 3600 2450
+F 0 "U1" H 3650 2550 30 0000 C CNN
+F 1 "PORT" H 3600 2450 30 0000 C CNN
+F 2 "" H 3600 2450 60 0000 C CNN
+F 3 "" H 3600 2450 60 0000 C CNN
+ 1 3600 2450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F6CAC2
+P 3600 2850
+F 0 "U1" H 3650 2950 30 0000 C CNN
+F 1 "PORT" H 3600 2850 30 0000 C CNN
+F 2 "" H 3600 2850 60 0000 C CNN
+F 3 "" H 3600 2850 60 0000 C CNN
+ 2 3600 2850
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F6CAED
+P 3600 3250
+F 0 "U1" H 3650 3350 30 0000 C CNN
+F 1 "PORT" H 3600 3250 30 0000 C CNN
+F 2 "" H 3600 3250 60 0000 C CNN
+F 3 "" H 3600 3250 60 0000 C CNN
+ 3 3600 3250
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3850 2450 4250 2450
+$Comp
+L d_inverter U2
+U 1 1 67F6CB20
+P 4550 2450
+F 0 "U2" H 4550 2350 60 0000 C CNN
+F 1 "d_inverter" H 4550 2600 60 0000 C CNN
+F 2 "" H 4600 2400 60 0000 C CNN
+F 3 "" H 4600 2400 60 0000 C CNN
+ 1 4550 2450
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 67F6CB80
+P 4600 3250
+F 0 "U3" H 4600 3150 60 0000 C CNN
+F 1 "d_inverter" H 4600 3400 60 0000 C CNN
+F 2 "" H 4650 3200 60 0000 C CNN
+F 3 "" H 4650 3200 60 0000 C CNN
+ 1 4600 3250
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3850 3250 4300 3250
+Wire Wire Line
+ 4850 2450 5600 2450
+Wire Wire Line
+ 4900 3250 5250 3250
+Wire Wire Line
+ 5050 3250 5050 2550
+Wire Wire Line
+ 5050 2550 5600 2550
+Wire Wire Line
+ 3850 2850 5600 2850
+Wire Wire Line
+ 5250 3250 5250 2950
+Wire Wire Line
+ 5250 2950 5600 2950
+Connection ~ 5050 3250
+$Comp
+L d_and U4
+U 1 1 67F6CBCC
+P 6050 2550
+F 0 "U4" H 6050 2550 60 0000 C CNN
+F 1 "d_and" H 6100 2650 60 0000 C CNN
+F 2 "" H 6050 2550 60 0000 C CNN
+F 3 "" H 6050 2550 60 0000 C CNN
+ 1 6050 2550
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U5
+U 1 1 67F6CC03
+P 6050 2950
+F 0 "U5" H 6050 2950 60 0000 C CNN
+F 1 "d_and" H 6100 3050 60 0000 C CNN
+F 2 "" H 6050 2950 60 0000 C CNN
+F 3 "" H 6050 2950 60 0000 C CNN
+ 1 6050 2950
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U6
+U 1 1 67F6CC38
+P 7200 2600
+F 0 "U6" H 7200 2600 60 0000 C CNN
+F 1 "d_or" H 7200 2700 60 0000 C CNN
+F 2 "" H 7200 2600 60 0000 C CNN
+F 3 "" H 7200 2600 60 0000 C CNN
+ 1 7200 2600
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6500 2500 6750 2500
+Wire Wire Line
+ 6500 2900 6750 2900
+Wire Wire Line
+ 6750 2900 6750 2600
+Wire Wire Line
+ 7650 2550 7900 2550
+$Comp
+L PORT U1
+U 4 1 67F6CCD0
+P 8150 2550
+F 0 "U1" H 8200 2650 30 0000 C CNN
+F 1 "PORT" H 8150 2550 30 0000 C CNN
+F 2 "" H 8150 2550 60 0000 C CNN
+F 3 "" H 8150 2550 60 0000 C CNN
+ 4 8150 2550
+ -1 0 0 1
+$EndComp
+Text Label 3950 2450 0 60 ~ 0
+x
+Text Label 4000 2850 0 60 ~ 0
+y
+Text Label 3950 3250 0 60 ~ 0
+z
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sub
new file mode 100644
index 00000000..7be62924
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin.sub
@@ -0,0 +1,26 @@
+* Subcircuit e_origin
+.subckt e_origin /x /y /z net-_u1-pad4_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\e_origin\e_origin.cir
+* u2 /x net-_u2-pad2_ d_inverter
+* u3 /z net-_u3-pad2_ d_inverter
+* u4 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad3_ d_and
+* u5 /y net-_u3-pad2_ net-_u5-pad3_ d_and
+* u6 net-_u4-pad3_ net-_u5-pad3_ net-_u1-pad4_ d_or
+a1 /x net-_u2-pad2_ u2
+a2 /z net-_u3-pad2_ u3
+a3 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u4-pad3_ u4
+a4 [/y net-_u3-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u4-pad3_ net-_u5-pad3_ ] net-_u1-pad4_ u6
+* 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 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_or, NgSpice Name: d_or
+.model u6 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends e_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin_Previous_Values.xml
new file mode 100644
index 00000000..54d54feb
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/e_origin_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_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)" /></u4><u5 name="type">d_and<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_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)" /></u6></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/esim_ic_files/sn54ls48/f_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin-cache.lib
new file mode 100644
index 00000000..20f5c6cc
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin-cache.lib
@@ -0,0 +1,96 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 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
+#
+# 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
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir
new file mode 100644
index 00000000..f630a09c
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir
@@ -0,0 +1,18 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\f_origin\f_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/10/25 01:12:40
+
+* 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: /
+U1 /w /x /y /z Net-_U1-Pad5_ PORT
+U2 /y Net-_U2-Pad2_ d_inverter
+U3 /z Net-_U3-Pad2_ d_inverter
+X1 Net-_U4-Pad3_ Net-_U5-Pad3_ Net-_U6-Pad3_ Net-_U7-Pad3_ Net-_U1-Pad5_ 4_OR
+U4 Net-_U2-Pad2_ Net-_U3-Pad2_ Net-_U4-Pad3_ d_and
+U5 /x Net-_U2-Pad2_ Net-_U5-Pad3_ d_and
+U6 /x Net-_U3-Pad2_ Net-_U6-Pad3_ d_and
+U7 /w Net-_U2-Pad2_ Net-_U7-Pad3_ d_and
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir.out
new file mode 100644
index 00000000..2a00b16f
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.cir.out
@@ -0,0 +1,38 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\f_origin\f_origin.cir
+
+.include 4_OR.sub
+* u1 /w /x /y /z net-_u1-pad5_ port
+* u2 /y net-_u2-pad2_ d_inverter
+* u3 /z net-_u3-pad2_ d_inverter
+x1 net-_u4-pad3_ net-_u5-pad3_ net-_u6-pad3_ net-_u7-pad3_ net-_u1-pad5_ 4_OR
+* u4 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad3_ d_and
+* u5 /x net-_u2-pad2_ net-_u5-pad3_ d_and
+* u6 /x net-_u3-pad2_ net-_u6-pad3_ d_and
+* u7 /w net-_u2-pad2_ net-_u7-pad3_ d_and
+a1 /y net-_u2-pad2_ u2
+a2 /z net-_u3-pad2_ u3
+a3 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u4-pad3_ u4
+a4 [/x net-_u2-pad2_ ] net-_u5-pad3_ u5
+a5 [/x net-_u3-pad2_ ] net-_u6-pad3_ u6
+a6 [/w net-_u2-pad2_ ] net-_u7-pad3_ u7
+* 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 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 )
+.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/esim_ic_files/sn54ls48/f_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.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/esim_ic_files/sn54ls48/f_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sch
new file mode 100644
index 00000000..fc4bf555
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sch
@@ -0,0 +1,259 @@
+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:a_origin-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 PORT U1
+U 1 1 67F6CCB0
+P 2350 1300
+F 0 "U1" H 2400 1400 30 0000 C CNN
+F 1 "PORT" H 2350 1300 30 0000 C CNN
+F 2 "" H 2350 1300 60 0000 C CNN
+F 3 "" H 2350 1300 60 0000 C CNN
+ 1 2350 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F6CCB1
+P 3100 1300
+F 0 "U1" H 3150 1400 30 0000 C CNN
+F 1 "PORT" H 3100 1300 30 0000 C CNN
+F 2 "" H 3100 1300 60 0000 C CNN
+F 3 "" H 3100 1300 60 0000 C CNN
+ 2 3100 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F6CCB2
+P 3850 1300
+F 0 "U1" H 3900 1400 30 0000 C CNN
+F 1 "PORT" H 3850 1300 30 0000 C CNN
+F 2 "" H 3850 1300 60 0000 C CNN
+F 3 "" H 3850 1300 60 0000 C CNN
+ 3 3850 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 4 1 67F6CCB3
+P 4450 1300
+F 0 "U1" H 4500 1400 30 0000 C CNN
+F 1 "PORT" H 4450 1300 30 0000 C CNN
+F 2 "" H 4450 1300 60 0000 C CNN
+F 3 "" H 4450 1300 60 0000 C CNN
+ 4 4450 1300
+ 0 -1 1 0
+$EndComp
+Text Label 2350 1650 3 60 ~ 0
+w
+Text Label 3100 1700 3 60 ~ 0
+x
+Text Label 3850 1700 3 60 ~ 0
+y
+Text Label 4450 1700 3 60 ~ 0
+z
+$Comp
+L d_inverter U2
+U 1 1 67F6CCB6
+P 4100 2400
+F 0 "U2" H 4100 2300 60 0000 C CNN
+F 1 "d_inverter" H 4100 2550 60 0000 C CNN
+F 2 "" H 4150 2350 60 0000 C CNN
+F 3 "" H 4150 2350 60 0000 C CNN
+ 1 4100 2400
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 67F6CCB7
+P 4800 2300
+F 0 "U3" H 4800 2200 60 0000 C CNN
+F 1 "d_inverter" H 4800 2450 60 0000 C CNN
+F 2 "" H 4850 2250 60 0000 C CNN
+F 3 "" H 4850 2250 60 0000 C CNN
+ 1 4800 2300
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 3850 1550 3850 2100
+Wire Wire Line
+ 4800 1950 4450 1950
+Connection ~ 4450 1950
+Wire Wire Line
+ 4800 1950 4800 2000
+Wire Wire Line
+ 4100 2700 4100 4100
+Wire Wire Line
+ 3100 1550 3100 3600
+Wire Wire Line
+ 2350 1550 2350 4000
+$Comp
+L 4_OR X1
+U 1 1 67F6CCBC
+P 7000 3450
+F 0 "X1" H 7150 3350 60 0000 C CNN
+F 1 "4_OR" H 7150 3550 60 0000 C CNN
+F 2 "" H 7000 3450 60 0000 C CNN
+F 3 "" H 7000 3450 60 0000 C CNN
+ 1 7000 3450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6650 2900 6650 3300
+Wire Wire Line
+ 7550 3450 7950 3450
+$Comp
+L PORT U1
+U 5 1 67F6CCBD
+P 8200 3450
+F 0 "U1" H 8250 3550 30 0000 C CNN
+F 1 "PORT" H 8200 3450 30 0000 C CNN
+F 2 "" H 8200 3450 60 0000 C CNN
+F 3 "" H 8200 3450 60 0000 C CNN
+ 5 8200 3450
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 4100 2900 4100 2850
+Wire Wire Line
+ 4100 2850 5150 2850
+Connection ~ 4100 2900
+Wire Wire Line
+ 4800 2950 5150 2950
+Connection ~ 4800 2950
+Wire Wire Line
+ 3100 3250 5150 3250
+Wire Wire Line
+ 4100 3350 5150 3350
+Connection ~ 4100 3350
+Wire Wire Line
+ 3100 3600 5150 3600
+Connection ~ 3100 3250
+Wire Wire Line
+ 4800 3700 5150 3700
+Connection ~ 4800 3700
+Wire Wire Line
+ 2350 4000 5150 4000
+Wire Wire Line
+ 4100 4100 5150 4100
+Wire Wire Line
+ 4450 1950 4450 1550
+Wire Wire Line
+ 3850 2100 4100 2100
+$Comp
+L d_and U4
+U 1 1 67F6D0F4
+P 5600 2950
+F 0 "U4" H 5600 2950 60 0000 C CNN
+F 1 "d_and" H 5650 3050 60 0000 C CNN
+F 2 "" H 5600 2950 60 0000 C CNN
+F 3 "" H 5600 2950 60 0000 C CNN
+ 1 5600 2950
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U5
+U 1 1 67F6D131
+P 5600 3350
+F 0 "U5" H 5600 3350 60 0000 C CNN
+F 1 "d_and" H 5650 3450 60 0000 C CNN
+F 2 "" H 5600 3350 60 0000 C CNN
+F 3 "" H 5600 3350 60 0000 C CNN
+ 1 5600 3350
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 67F6D172
+P 5600 3700
+F 0 "U6" H 5600 3700 60 0000 C CNN
+F 1 "d_and" H 5650 3800 60 0000 C CNN
+F 2 "" H 5600 3700 60 0000 C CNN
+F 3 "" H 5600 3700 60 0000 C CNN
+ 1 5600 3700
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U7
+U 1 1 67F6D1AD
+P 5600 4100
+F 0 "U7" H 5600 4100 60 0000 C CNN
+F 1 "d_and" H 5650 4200 60 0000 C CNN
+F 2 "" H 5600 4100 60 0000 C CNN
+F 3 "" H 5600 4100 60 0000 C CNN
+ 1 5600 4100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6650 2900 6050 2900
+Wire Wire Line
+ 6050 3300 6350 3300
+Wire Wire Line
+ 6350 3300 6350 3400
+Wire Wire Line
+ 6350 3400 6650 3400
+Wire Wire Line
+ 6050 3650 6050 3500
+Wire Wire Line
+ 6050 3500 6650 3500
+Wire Wire Line
+ 6050 4050 6650 4050
+Wire Wire Line
+ 6650 4050 6650 3600
+Wire Wire Line
+ 4800 3700 4800 2600
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sub
new file mode 100644
index 00000000..275719f1
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin.sub
@@ -0,0 +1,32 @@
+* Subcircuit f_origin
+.subckt f_origin /w /x /y /z net-_u1-pad5_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\f_origin\f_origin.cir
+.include 4_OR.sub
+* u2 /y net-_u2-pad2_ d_inverter
+* u3 /z net-_u3-pad2_ d_inverter
+x1 net-_u4-pad3_ net-_u5-pad3_ net-_u6-pad3_ net-_u7-pad3_ net-_u1-pad5_ 4_OR
+* u4 net-_u2-pad2_ net-_u3-pad2_ net-_u4-pad3_ d_and
+* u5 /x net-_u2-pad2_ net-_u5-pad3_ d_and
+* u6 /x net-_u3-pad2_ net-_u6-pad3_ d_and
+* u7 /w net-_u2-pad2_ net-_u7-pad3_ d_and
+a1 /y net-_u2-pad2_ u2
+a2 /z net-_u3-pad2_ u3
+a3 [net-_u2-pad2_ net-_u3-pad2_ ] net-_u4-pad3_ u4
+a4 [/x net-_u2-pad2_ ] net-_u5-pad3_ u5
+a5 [/x net-_u3-pad2_ ] net-_u6-pad3_ u6
+a6 [/w net-_u2-pad2_ ] net-_u7-pad3_ u7
+* 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 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 )
+* Control Statements
+
+.ends f_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin_Previous_Values.xml
new file mode 100644
index 00000000..592103c4
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/f_origin_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><u4 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)" /></u4><u5 name="type">d_and<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_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)" /></u6><u7 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)" /></u7></model><devicemodel /><subcircuit><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\4_OR</field></x1></subcircuit></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin-cache.lib
new file mode 100644
index 00000000..20f5c6cc
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin-cache.lib
@@ -0,0 +1,96 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 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
+#
+# 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
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir
new file mode 100644
index 00000000..0a0e3f41
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir
@@ -0,0 +1,19 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\g_origin\g_origin.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/11/25 01:54:27
+
+* 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: /
+U1 /w /x /y /z Net-_U1-Pad5_ PORT
+U3 /y Net-_U3-Pad2_ d_inverter
+U4 /z Net-_U4-Pad2_ d_inverter
+X1 Net-_U5-Pad3_ Net-_U6-Pad3_ Net-_U7-Pad3_ Net-_U8-Pad3_ Net-_U1-Pad5_ 4_OR
+U2 /x Net-_U2-Pad2_ d_inverter
+U5 Net-_U2-Pad2_ /y Net-_U5-Pad3_ d_and
+U6 /y Net-_U4-Pad2_ Net-_U6-Pad3_ d_and
+U7 /x Net-_U3-Pad2_ Net-_U7-Pad3_ d_and
+U8 /w Net-_U2-Pad2_ Net-_U8-Pad3_ d_and
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir.out
new file mode 100644
index 00000000..bb3b0ad0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.cir.out
@@ -0,0 +1,42 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\g_origin\g_origin.cir
+
+.include 4_OR.sub
+* u1 /w /x /y /z net-_u1-pad5_ port
+* u3 /y net-_u3-pad2_ d_inverter
+* u4 /z net-_u4-pad2_ d_inverter
+x1 net-_u5-pad3_ net-_u6-pad3_ net-_u7-pad3_ net-_u8-pad3_ net-_u1-pad5_ 4_OR
+* u2 /x net-_u2-pad2_ d_inverter
+* u5 net-_u2-pad2_ /y net-_u5-pad3_ d_and
+* u6 /y net-_u4-pad2_ net-_u6-pad3_ d_and
+* u7 /x net-_u3-pad2_ net-_u7-pad3_ d_and
+* u8 /w net-_u2-pad2_ net-_u8-pad3_ d_and
+a1 /y net-_u3-pad2_ u3
+a2 /z net-_u4-pad2_ u4
+a3 /x net-_u2-pad2_ u2
+a4 [net-_u2-pad2_ /y ] net-_u5-pad3_ u5
+a5 [/y net-_u4-pad2_ ] net-_u6-pad3_ u6
+a6 [/x net-_u3-pad2_ ] net-_u7-pad3_ u7
+a7 [/w net-_u2-pad2_ ] net-_u8-pad3_ u8
+* 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 u2 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_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 )
+.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/esim_ic_files/sn54ls48/g_origin.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.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/esim_ic_files/sn54ls48/g_origin.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sch
new file mode 100644
index 00000000..c0ef7cdd
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sch
@@ -0,0 +1,272 @@
+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:g_origin-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
+$Comp
+L PORT U1
+U 1 1 67F6CE89
+P 2350 1300
+F 0 "U1" H 2400 1400 30 0000 C CNN
+F 1 "PORT" H 2350 1300 30 0000 C CNN
+F 2 "" H 2350 1300 60 0000 C CNN
+F 3 "" H 2350 1300 60 0000 C CNN
+ 1 2350 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 2 1 67F6CE8A
+P 3100 1300
+F 0 "U1" H 3150 1400 30 0000 C CNN
+F 1 "PORT" H 3100 1300 30 0000 C CNN
+F 2 "" H 3100 1300 60 0000 C CNN
+F 3 "" H 3100 1300 60 0000 C CNN
+ 2 3100 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 3 1 67F6CE8B
+P 3850 1300
+F 0 "U1" H 3900 1400 30 0000 C CNN
+F 1 "PORT" H 3850 1300 30 0000 C CNN
+F 2 "" H 3850 1300 60 0000 C CNN
+F 3 "" H 3850 1300 60 0000 C CNN
+ 3 3850 1300
+ 0 -1 1 0
+$EndComp
+$Comp
+L PORT U1
+U 4 1 67F6CE8C
+P 4450 1300
+F 0 "U1" H 4500 1400 30 0000 C CNN
+F 1 "PORT" H 4450 1300 30 0000 C CNN
+F 2 "" H 4450 1300 60 0000 C CNN
+F 3 "" H 4450 1300 60 0000 C CNN
+ 4 4450 1300
+ 0 -1 1 0
+$EndComp
+Text Label 2350 1650 3 60 ~ 0
+w
+Text Label 3100 1700 3 60 ~ 0
+x
+Text Label 3850 1700 3 60 ~ 0
+y
+Text Label 4450 1700 3 60 ~ 0
+z
+$Comp
+L d_inverter U3
+U 1 1 67F6CE8D
+P 4100 2400
+F 0 "U3" H 4100 2300 60 0000 C CNN
+F 1 "d_inverter" H 4100 2550 60 0000 C CNN
+F 2 "" H 4150 2350 60 0000 C CNN
+F 3 "" H 4150 2350 60 0000 C CNN
+ 1 4100 2400
+ 0 1 1 0
+$EndComp
+$Comp
+L d_inverter U4
+U 1 1 67F6CE8E
+P 4800 2300
+F 0 "U4" H 4800 2200 60 0000 C CNN
+F 1 "d_inverter" H 4800 2450 60 0000 C CNN
+F 2 "" H 4850 2250 60 0000 C CNN
+F 3 "" H 4850 2250 60 0000 C CNN
+ 1 4800 2300
+ 0 1 1 0
+$EndComp
+$Comp
+L 4_OR X1
+U 1 1 67F6CE8F
+P 7000 3450
+F 0 "X1" H 7150 3350 60 0000 C CNN
+F 1 "4_OR" H 7150 3550 60 0000 C CNN
+F 2 "" H 7000 3450 60 0000 C CNN
+F 3 "" H 7000 3450 60 0000 C CNN
+ 1 7000 3450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 67F6CE90
+P 8200 3450
+F 0 "U1" H 8250 3550 30 0000 C CNN
+F 1 "PORT" H 8200 3450 30 0000 C CNN
+F 2 "" H 8200 3450 60 0000 C CNN
+F 3 "" H 8200 3450 60 0000 C CNN
+ 5 8200 3450
+ -1 0 0 1
+$EndComp
+Wire Wire Line
+ 3850 1550 3850 3500
+Wire Wire Line
+ 4800 1950 4450 1950
+Connection ~ 4450 1950
+Wire Wire Line
+ 4800 1950 4800 2000
+Wire Wire Line
+ 3100 1550 3100 3900
+Wire Wire Line
+ 2350 1550 2350 4250
+Wire Wire Line
+ 7550 3450 7950 3450
+Wire Wire Line
+ 4450 1950 4450 1550
+Wire Wire Line
+ 3850 2100 4100 2100
+Wire Wire Line
+ 6650 3600 6650 4300
+$Comp
+L d_inverter U2
+U 1 1 67F6CFF0
+P 3350 2350
+F 0 "U2" H 3350 2250 60 0000 C CNN
+F 1 "d_inverter" H 3350 2500 60 0000 C CNN
+F 2 "" H 3400 2300 60 0000 C CNN
+F 3 "" H 3400 2300 60 0000 C CNN
+ 1 3350 2350
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 3350 2650 3350 4350
+Wire Wire Line
+ 3350 3000 5250 3000
+Wire Wire Line
+ 3850 3100 5250 3100
+Connection ~ 3850 2100
+Wire Wire Line
+ 3850 3500 5250 3500
+Connection ~ 3850 3100
+Wire Wire Line
+ 4800 3600 5250 3600
+Connection ~ 4800 3600
+Wire Wire Line
+ 3100 3900 5250 3900
+Wire Wire Line
+ 4100 2700 4100 4000
+Wire Wire Line
+ 4100 4000 5250 4000
+Wire Wire Line
+ 2350 4250 5250 4250
+Wire Wire Line
+ 3350 4350 5250 4350
+Connection ~ 3350 3000
+Wire Wire Line
+ 4800 3600 4800 2600
+$Comp
+L d_and U5
+U 1 1 67F6D168
+P 5700 3100
+F 0 "U5" H 5700 3100 60 0000 C CNN
+F 1 "d_and" H 5750 3200 60 0000 C CNN
+F 2 "" H 5700 3100 60 0000 C CNN
+F 3 "" H 5700 3100 60 0000 C CNN
+ 1 5700 3100
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 67F6D1A7
+P 5700 3600
+F 0 "U6" H 5700 3600 60 0000 C CNN
+F 1 "d_and" H 5750 3700 60 0000 C CNN
+F 2 "" H 5700 3600 60 0000 C CNN
+F 3 "" H 5700 3600 60 0000 C CNN
+ 1 5700 3600
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U7
+U 1 1 67F6D1E4
+P 5700 4000
+F 0 "U7" H 5700 4000 60 0000 C CNN
+F 1 "d_and" H 5750 4100 60 0000 C CNN
+F 2 "" H 5700 4000 60 0000 C CNN
+F 3 "" H 5700 4000 60 0000 C CNN
+ 1 5700 4000
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U8
+U 1 1 67F6D21B
+P 5700 4350
+F 0 "U8" H 5700 4350 60 0000 C CNN
+F 1 "d_and" H 5750 4450 60 0000 C CNN
+F 2 "" H 5700 4350 60 0000 C CNN
+F 3 "" H 5700 4350 60 0000 C CNN
+ 1 5700 4350
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6650 4300 6150 4300
+Wire Wire Line
+ 6150 3950 6500 3950
+Wire Wire Line
+ 6500 3950 6500 3500
+Wire Wire Line
+ 6500 3500 6650 3500
+Wire Wire Line
+ 6150 3550 6150 3400
+Wire Wire Line
+ 6150 3400 6650 3400
+Wire Wire Line
+ 6150 3050 6650 3050
+Wire Wire Line
+ 6650 3050 6650 3300
+Wire Wire Line
+ 3350 2050 3100 2050
+Connection ~ 3100 2050
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sub
new file mode 100644
index 00000000..e87dde76
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin.sub
@@ -0,0 +1,36 @@
+* Subcircuit g_origin
+.subckt g_origin /w /x /y /z net-_u1-pad5_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\g_origin\g_origin.cir
+.include 4_OR.sub
+* u3 /y net-_u3-pad2_ d_inverter
+* u4 /z net-_u4-pad2_ d_inverter
+x1 net-_u5-pad3_ net-_u6-pad3_ net-_u7-pad3_ net-_u8-pad3_ net-_u1-pad5_ 4_OR
+* u2 /x net-_u2-pad2_ d_inverter
+* u5 net-_u2-pad2_ /y net-_u5-pad3_ d_and
+* u6 /y net-_u4-pad2_ net-_u6-pad3_ d_and
+* u7 /x net-_u3-pad2_ net-_u7-pad3_ d_and
+* u8 /w net-_u2-pad2_ net-_u8-pad3_ d_and
+a1 /y net-_u3-pad2_ u3
+a2 /z net-_u4-pad2_ u4
+a3 /x net-_u2-pad2_ u2
+a4 [net-_u2-pad2_ /y ] net-_u5-pad3_ u5
+a5 [/y net-_u4-pad2_ ] net-_u6-pad3_ u6
+a6 [/x net-_u3-pad2_ ] net-_u7-pad3_ u7
+a7 [/w net-_u2-pad2_ ] net-_u8-pad3_ u8
+* 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 u2 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_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 )
+* Control Statements
+
+.ends g_origin \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin_Previous_Values.xml
new file mode 100644
index 00000000..80c572a0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/g_origin_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u3 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)" /></u3><u4 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)" /></u4><u2 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)" /></u2><u5 name="type">d_and<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_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)" /></u6><u7 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)" /></u7><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></model><devicemodel /><subcircuit><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\4_OR</field></x1></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/esim_ic_files/sn54ls48/sn54ls48-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48-cache.lib
new file mode 100644
index 00000000..18dc2f16
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48-cache.lib
@@ -0,0 +1,98 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 74_48
+#
+DEF 74_48 X 0 40 Y Y 1 F N
+F0 "X" -700 100 60 H V C CNN
+F1 "74_48" -750 1150 60 H V C CNN
+F2 "" -700 350 60 H I C CNN
+F3 "" -700 350 60 H I C CNN
+DRAW
+S -300 1100 -1100 150 0 1 0 N
+X w 1 -1300 1050 200 R 50 50 1 1 I
+X x 2 -1300 950 200 R 50 50 1 1 I
+X y 3 -1300 850 200 R 50 50 1 1 I
+X z 4 -1300 750 200 R 50 50 1 1 I
+X LT 5 -1300 600 200 R 50 50 1 1 I
+X BI 6 -1300 500 200 R 50 50 1 1 I
+X RBI 7 -1300 400 200 R 50 50 1 1 I
+X a 8 -100 850 200 L 50 50 1 1 O
+X b 9 -100 750 200 L 50 50 1 1 O
+X c 10 -100 650 200 L 50 50 1 1 O
+X d 11 -100 550 200 L 50 50 1 1 O
+X e 12 -100 450 200 L 50 50 1 1 O
+X f 13 -100 350 200 L 50 50 1 1 O
+X g 14 -100 250 200 L 50 50 1 1 O
+X GND 15 -1300 250 200 R 50 50 1 1 N
+X vcc 16 -100 1000 200 L 50 50 1 1 N
+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
+$ENDFPLIST
+DRAW
+C 0 0 150 0 1 0 N
+X + 1 0 450 300 D 50 50 1 1 w
+X - 2 0 -450 300 U 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# plot_v1
+#
+DEF plot_v1 U 0 40 Y Y 1 F N
+F0 "U" 0 500 60 H V C CNN
+F1 "plot_v1" 200 350 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+C 0 500 100 0 1 0 N
+X ~ ~ 0 200 200 U 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# pulse
+#
+DEF pulse v 0 40 Y Y 1 F N
+F0 "v" -200 100 60 H V C CNN
+F1 "pulse" -200 -50 60 H V C CNN
+F2 "R1" -300 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+$FPLIST
+ 1_pin
+$ENDFPLIST
+DRAW
+A -25 -450 501 928 871 0 1 0 N -50 50 0 50
+A 25 400 451 -931 -868 0 1 0 N 0 -50 50 -50
+A 75 600 551 -926 -873 0 1 0 N 50 50 100 50
+A 350 0 403 -1728 1728 0 1 0 N -50 -50 -50 50
+A 450 0 453 1736 -1736 0 1 0 N 0 50 0 -50
+A 600 0 552 -1748 1748 0 1 0 N 50 -50 50 50
+C 0 0 150 0 1 0 N
+X + 1 0 450 300 D 50 50 1 1 P
+X - 2 0 -450 300 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir
new file mode 100644
index 00000000..bcc8495b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir
@@ -0,0 +1,29 @@
+* C:\Users\Shanthipriya\eSim-Workspace\7447\7447.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 04/11/25 02:00:36
+
+* 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: /
+v1 W GND pulse
+v2 X GND pulse
+v3 Y GND pulse
+v4 Z GND pulse
+v5 Net-_X1-Pad5_ GND DC
+v6 Net-_X1-Pad6_ GND DC
+v7 Net-_X1-Pad7_ GND DC
+U1 Z plot_v1
+U2 Y plot_v1
+U3 X plot_v1
+U4 W plot_v1
+U5 a plot_v1
+U6 b plot_v1
+U7 c plot_v1
+U8 d plot_v1
+U9 e plot_v1
+U10 f plot_v1
+U11 g plot_v1
+X1 W X Y Z Net-_X1-Pad5_ Net-_X1-Pad6_ Net-_X1-Pad7_ a b c d e f g ? ? 74_48
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir.out
new file mode 100644
index 00000000..2f14333c
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.cir.out
@@ -0,0 +1,32 @@
+* c:\users\shanthipriya\esim-workspace\7447\7447.cir
+
+.include 74ls47.sub
+v1 w gnd pulse(0 5 0 1n 1n 16m 32m)
+v2 x gnd pulse(0 5 0 1n 1n 8m 16m)
+v3 y gnd pulse(0 5 0 1n 1n 4m 8m)
+v4 z gnd pulse(0 5 0 1n 1n 2m 4m)
+v5 net-_x1-pad5_ gnd dc 5
+v6 net-_x1-pad6_ gnd dc 5
+v7 net-_x1-pad7_ gnd dc 5
+* u1 z plot_v1
+* u2 y plot_v1
+* u3 x plot_v1
+* u4 w plot_v1
+* u5 a plot_v1
+* u6 b plot_v1
+* u7 c plot_v1
+* u8 d plot_v1
+* u9 e plot_v1
+* u10 f plot_v1
+* u11 g plot_v1
+x1 w x y z net-_x1-pad5_ net-_x1-pad6_ net-_x1-pad7_ a b c d e f g ? ? 74ls47
+.tran 1e-03 32e-03 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+plot v(z)+6v(y)+12 v(x)+18 v(w)+24 v(a)+30v(b)+36 v(c)+42v(d)+48 v(e)+54v(f)+60v(g)
+.endc
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.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/esim_ic_files/sn54ls48/sn54ls48.proj b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.proj
new file mode 100644
index 00000000..4fc1deab
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.proj
@@ -0,0 +1 @@
+schematicFile 7447.sch
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.sch
new file mode 100644
index 00000000..fa498ac7
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48.sch
@@ -0,0 +1,442 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
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diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls48/sn54ls48_Previous_Values.xml
new file mode 100644
index 00000000..96049e0e
--- /dev/null
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