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-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and-cache.lib61
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.cir13
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.cir.out20
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.pro43
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.sch130
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.sub14
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/analysis1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72-cache.lib93
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir18
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir.out40
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sch299
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sub34
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72-cache.lib93
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir18
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir.out40
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sch299
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sub34
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff-cache.lib61
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir17
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir.out36
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sch230
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sub30
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-cache.lib141
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-rescue.lib25
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir24
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir.out36
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.pro74
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.proj1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.sch375
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72_Previous_Values.xml1
37 files changed, 2524 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and-cache.lib
new file mode 100644
index 00000000..af058641
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/3_and.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.cir
new file mode 100644
index 00000000..ba296cf0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/3_and.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.cir.out
new file mode 100644
index 00000000..d7cf79a0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/3_and.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.pro
new file mode 100644
index 00000000..00597a5a
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/3_and.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.sch
new file mode 100644
index 00000000..d6ac89f9
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/3_and.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and.sub
new file mode 100644
index 00000000..3d9120bb
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/3_and_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_and_Previous_Values.xml
new file mode 100644
index 00000000..abc5faaa
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/3_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/sn54ls72/analysis b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/analysis
new file mode 100644
index 00000000..c178a1dc
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/analysis
@@ -0,0 +1 @@
+.tran 1e-09 5e-06 0e-00 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72-cache.lib
new file mode 100644
index 00000000..1cdee83e
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72-cache.lib
@@ -0,0 +1,93 @@
+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_dff
+#
+DEF d_dff U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_dff" 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 350 450 -350 -400 0 1 0 N
+X Din 1 -550 350 200 R 50 50 1 1 I
+X Clk 2 -550 -300 200 R 50 50 1 1 I C
+X Set 3 0 650 200 D 50 50 1 1 I
+X Reset 4 0 -600 200 U 50 50 1 1 I
+X Dout 5 550 350 200 L 50 50 1 1 O
+X Ndout 6 550 -300 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nand
+#
+DEF d_nand U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nand" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir
new file mode 100644
index 00000000..f3277b9f
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir
@@ -0,0 +1,18 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\internal72\internal72.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/24/25 09:40:12
+
+* 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: /
+U3 Net-_U3-Pad1_ Net-_U1-Pad1_ Net-_U3-Pad3_ d_nand
+U4 Net-_U2-Pad2_ Net-_U4-Pad2_ Net-_U4-Pad3_ d_nand
+U5 Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U5-Pad3_ d_nand
+U2 Net-_U1-Pad3_ Net-_U2-Pad2_ d_inverter
+U7 Net-_U5-Pad3_ Net-_U1-Pad2_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U4-Pad2_ Net-_U3-Pad1_ d_dff
+U8 Net-_U4-Pad2_ Net-_U6-Pad2_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ d_dff
+U6 Net-_U1-Pad2_ Net-_U6-Pad2_ d_inverter
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ ? ? Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir.out
new file mode 100644
index 00000000..ec11a6c2
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.cir.out
@@ -0,0 +1,40 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\internal72\internal72.cir
+
+* u3 net-_u3-pad1_ net-_u1-pad1_ net-_u3-pad3_ d_nand
+* u4 net-_u2-pad2_ net-_u4-pad2_ net-_u4-pad3_ d_nand
+* u5 net-_u3-pad3_ net-_u4-pad3_ net-_u5-pad3_ d_nand
+* u2 net-_u1-pad3_ net-_u2-pad2_ d_inverter
+* u7 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ d_dff
+* u8 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ d_dff
+* u6 net-_u1-pad2_ net-_u6-pad2_ d_inverter
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ ? ? net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ port
+a1 [net-_u3-pad1_ net-_u1-pad1_ ] net-_u3-pad3_ u3
+a2 [net-_u2-pad2_ net-_u4-pad2_ ] net-_u4-pad3_ u4
+a3 [net-_u3-pad3_ net-_u4-pad3_ ] net-_u5-pad3_ u5
+a4 net-_u1-pad3_ net-_u2-pad2_ u2
+a5 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ u7
+a6 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ u8
+a7 net-_u1-pad2_ net-_u6-pad2_ u6
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u7 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u8 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.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/sn54ls72/internal72.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.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/sn54ls72/internal72.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sch
new file mode 100644
index 00000000..a5f97c98
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sch
@@ -0,0 +1,299 @@
+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:internal72-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_nand U3
+U 1 1 68314F2B
+P 4150 2800
+F 0 "U3" H 4150 2800 60 0000 C CNN
+F 1 "d_nand" H 4200 2900 60 0000 C CNN
+F 2 "" H 4150 2800 60 0000 C CNN
+F 3 "" H 4150 2800 60 0000 C CNN
+ 1 4150 2800
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U4
+U 1 1 68314FDD
+P 4150 3350
+F 0 "U4" H 4150 3350 60 0000 C CNN
+F 1 "d_nand" H 4200 3450 60 0000 C CNN
+F 2 "" H 4150 3350 60 0000 C CNN
+F 3 "" H 4150 3350 60 0000 C CNN
+ 1 4150 3350
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U5
+U 1 1 68315038
+P 5250 3100
+F 0 "U5" H 5250 3100 60 0000 C CNN
+F 1 "d_nand" H 5300 3200 60 0000 C CNN
+F 2 "" H 5250 3100 60 0000 C CNN
+F 3 "" H 5250 3100 60 0000 C CNN
+ 1 5250 3100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4600 2750 4800 2750
+Wire Wire Line
+ 4800 2750 4800 3000
+Wire Wire Line
+ 4600 3300 4800 3300
+Wire Wire Line
+ 4800 3300 4800 3100
+$Comp
+L d_inverter U2
+U 1 1 68315089
+P 3200 3250
+F 0 "U2" H 3200 3150 60 0000 C CNN
+F 1 "d_inverter" H 3200 3400 60 0000 C CNN
+F 2 "" H 3250 3200 60 0000 C CNN
+F 3 "" H 3250 3200 60 0000 C CNN
+ 1 3200 3250
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3500 3250 3700 3250
+Wire Wire Line
+ 3700 2800 2600 2800
+Wire Wire Line
+ 2650 3250 2900 3250
+$Comp
+L d_dff U7
+U 1 1 683150F6
+P 6850 3400
+F 0 "U7" H 6850 3400 60 0000 C CNN
+F 1 "d_dff" H 6850 3550 60 0000 C CNN
+F 2 "" H 6850 3400 60 0000 C CNN
+F 3 "" H 6850 3400 60 0000 C CNN
+ 1 6850 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_dff U8
+U 1 1 68315165
+P 8650 3400
+F 0 "U8" H 8650 3400 60 0000 C CNN
+F 1 "d_dff" H 8650 3550 60 0000 C CNN
+F 2 "" H 8650 3400 60 0000 C CNN
+F 3 "" H 8650 3400 60 0000 C CNN
+ 1 8650 3400
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 5700 3050 6300 3050
+Wire Wire Line
+ 3700 3350 3400 3350
+Wire Wire Line
+ 3400 3350 3400 4300
+Wire Wire Line
+ 3400 4300 7650 4300
+Wire Wire Line
+ 7400 3050 8100 3050
+Wire Wire Line
+ 7650 4300 7650 3050
+Connection ~ 7650 3050
+Wire Wire Line
+ 7400 3700 7700 3700
+Wire Wire Line
+ 7700 3700 7700 1950
+Wire Wire Line
+ 7700 1950 3400 1950
+Wire Wire Line
+ 3400 1950 3400 2700
+Wire Wire Line
+ 3400 2700 3700 2700
+Wire Wire Line
+ 6300 3700 2600 3700
+$Comp
+L d_inverter U6
+U 1 1 68315227
+P 6300 4750
+F 0 "U6" H 6300 4650 60 0000 C CNN
+F 1 "d_inverter" H 6300 4900 60 0000 C CNN
+F 2 "" H 6350 4700 60 0000 C CNN
+F 3 "" H 6350 4700 60 0000 C CNN
+ 1 6300 4750
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6000 4750 5550 4750
+Wire Wire Line
+ 5550 4750 5550 3700
+Connection ~ 5550 3700
+Wire Wire Line
+ 6600 4750 7900 4750
+Wire Wire Line
+ 7900 4750 7900 3700
+Wire Wire Line
+ 7900 3700 8100 3700
+Wire Wire Line
+ 6850 4200 8650 4200
+Wire Wire Line
+ 8650 4000 8650 5000
+Connection ~ 8650 4200
+Wire Wire Line
+ 6850 2750 6850 2350
+Wire Wire Line
+ 6850 2350 8650 2350
+Wire Wire Line
+ 8650 1400 8650 2750
+Connection ~ 8650 2350
+Wire Wire Line
+ 6850 4200 6850 4000
+$Comp
+L PORT U1
+U 1 1 683153A5
+P 2350 2800
+F 0 "U1" H 2400 2900 30 0000 C CNN
+F 1 "PORT" H 2350 2800 30 0000 C CNN
+F 2 "" H 2350 2800 60 0000 C CNN
+F 3 "" H 2350 2800 60 0000 C CNN
+ 1 2350 2800
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 683153DC
+P 2400 3250
+F 0 "U1" H 2450 3350 30 0000 C CNN
+F 1 "PORT" H 2400 3250 30 0000 C CNN
+F 2 "" H 2400 3250 60 0000 C CNN
+F 3 "" H 2400 3250 60 0000 C CNN
+ 3 2400 3250
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6831542D
+P 2350 3700
+F 0 "U1" H 2400 3800 30 0000 C CNN
+F 1 "PORT" H 2350 3700 30 0000 C CNN
+F 2 "" H 2350 3700 60 0000 C CNN
+F 3 "" H 2350 3700 60 0000 C CNN
+ 2 2350 3700
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 7 1 6831548B
+P 8400 5000
+F 0 "U1" H 8450 5100 30 0000 C CNN
+F 1 "PORT" H 8400 5000 30 0000 C CNN
+F 2 "" H 8400 5000 60 0000 C CNN
+F 3 "" H 8400 5000 60 0000 C CNN
+ 7 8400 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 6 1 68315516
+P 8400 1400
+F 0 "U1" H 8450 1500 30 0000 C CNN
+F 1 "PORT" H 8400 1400 30 0000 C CNN
+F 2 "" H 8400 1400 60 0000 C CNN
+F 3 "" H 8400 1400 60 0000 C CNN
+ 6 8400 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 8 1 68315583
+P 9450 3050
+F 0 "U1" H 9500 3150 30 0000 C CNN
+F 1 "PORT" H 9450 3050 30 0000 C CNN
+F 2 "" H 9450 3050 60 0000 C CNN
+F 3 "" H 9450 3050 60 0000 C CNN
+ 8 9450 3050
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 683155FA
+P 9450 3700
+F 0 "U1" H 9500 3800 30 0000 C CNN
+F 1 "PORT" H 9450 3700 30 0000 C CNN
+F 2 "" H 9450 3700 60 0000 C CNN
+F 3 "" H 9450 3700 60 0000 C CNN
+ 9 9450 3700
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 6831563D
+P 7050 5450
+F 0 "U1" H 7100 5550 30 0000 C CNN
+F 1 "PORT" H 7050 5450 30 0000 C CNN
+F 2 "" H 7050 5450 60 0000 C CNN
+F 3 "" H 7050 5450 60 0000 C CNN
+ 4 7050 5450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 68315682
+P 7050 5650
+F 0 "U1" H 7100 5750 30 0000 C CNN
+F 1 "PORT" H 7050 5650 30 0000 C CNN
+F 2 "" H 7050 5650 60 0000 C CNN
+F 3 "" H 7050 5650 60 0000 C CNN
+ 5 7050 5650
+ 1 0 0 -1
+$EndComp
+NoConn ~ 7300 5450
+NoConn ~ 7300 5650
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sub
new file mode 100644
index 00000000..4ff0c262
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72.sub
@@ -0,0 +1,34 @@
+* Subcircuit internal72
+.subckt internal72 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ ? ? net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\internal72\internal72.cir
+* u3 net-_u3-pad1_ net-_u1-pad1_ net-_u3-pad3_ d_nand
+* u4 net-_u2-pad2_ net-_u4-pad2_ net-_u4-pad3_ d_nand
+* u5 net-_u3-pad3_ net-_u4-pad3_ net-_u5-pad3_ d_nand
+* u2 net-_u1-pad3_ net-_u2-pad2_ d_inverter
+* u7 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ d_dff
+* u8 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ d_dff
+* u6 net-_u1-pad2_ net-_u6-pad2_ d_inverter
+a1 [net-_u3-pad1_ net-_u1-pad1_ ] net-_u3-pad3_ u3
+a2 [net-_u2-pad2_ net-_u4-pad2_ ] net-_u4-pad3_ u4
+a3 [net-_u3-pad3_ net-_u4-pad3_ ] net-_u5-pad3_ u5
+a4 net-_u1-pad3_ net-_u2-pad2_ u2
+a5 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ u7
+a6 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ u8
+a7 net-_u1-pad2_ net-_u6-pad2_ u6
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u7 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u8 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends internal72 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72_Previous_Values.xml
new file mode 100644
index 00000000..ec31c02b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internal72_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_jkff<field1 name="Enter Clk Delay (default=1.0e-9)" /><field2 name="Enter Set Delay (default=1.0e-9)" /><field3 name="Enter Reset Delay (default=1.0)" /><field4 name="Enter IC (default=0)" /><field5 name="Enter value for JK Load (default=1.0e-12)" /><field6 name="Enter value for Clk Load (default=1.0e-12)" /><field7 name="Enter value for Set Load (default=1.0e-12)" /><field8 name="Enter value for Reset Load (default=1.0e-12)" /><field9 name="Enter Rise Delay (default=1.0e-9)" /><field10 name="Enter Fall Delay (default=1.0e-9)" /></u2><u4 name="type">d_jkff<field11 name="Enter Clk Delay (default=1.0e-9)" /><field12 name="Enter Set Delay (default=1.0e-9)" /><field13 name="Enter Reset Delay (default=1.0)" /><field14 name="Enter IC (default=0)" /><field15 name="Enter value for JK Load (default=1.0e-12)" /><field16 name="Enter value for Clk Load (default=1.0e-12)" /><field17 name="Enter value for Set Load (default=1.0e-12)" /><field18 name="Enter value for Reset Load (default=1.0e-12)" /><field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /></u4><u3 name="type">d_inverter<field21 name="Enter Rise Delay (default=1.0e-9)" /><field22 name="Enter Fall Delay (default=1.0e-9)" /><field23 name="Enter Input Load (default=1.0e-12)" /></u3><u3 name="type">d_srlatch<field1 name="Enter SR Delay (default=1.0e-9)" /><field2 name="Enter Enable Delay (default=1.0e-9)" /><field3 name="Enter Set Delay (default=1.0e-9)" /><field4 name="Enter Reset Delay (default=1.0)" /><field5 name="Enter IC (default=0)" /><field6 name="Enter value for SR Load (default=1.0e-12)" /><field7 name="Enter value for Enable Load (default=1.0e-12)" /><field8 name="Enter value for Set Load (default=1.0e-12)" /><field9 name="Enter value for Reset Load (default=1.0e-12)" /><field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /></u3><u6 name="type">d_srlatch<field12 name="Enter SR Delay (default=1.0e-9)" /><field13 name="Enter Enable Delay (default=1.0e-9)" /><field14 name="Enter Set Delay (default=1.0e-9)" /><field15 name="Enter Reset Delay (default=1.0)" /><field16 name="Enter IC (default=0)" /><field17 name="Enter value for SR Load (default=1.0e-12)" /><field18 name="Enter value for Enable Load (default=1.0e-12)" /><field19 name="Enter value for Set Load (default=1.0e-12)" /><field20 name="Enter value for Reset Load (default=1.0e-12)" /><field21 name="Enter Rise Delay (default=1.0e-9)" /><field22 name="Enter Fall Delay (default=1.0e-9)" /></u6><u2 name="type">d_inverter<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)" /></u2><u4 name="type">d_and<field26 name="Enter Rise Delay (default=1.0e-9)" /><field27 name="Enter Fall Delay (default=1.0e-9)" /><field28 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_and<field29 name="Enter Rise Delay (default=1.0e-9)" /><field30 name="Enter Fall Delay (default=1.0e-9)" /><field31 name="Enter Input Load (default=1.0e-12)" /></u5><u2 name="type">d_and<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_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)" /></u3><u6 name="type">d_inverter<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_inverter<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_inverter<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_and<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u9><u10 name="type">d_and<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u10><u11 name="type">d_and<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u11><u12 name="type">d_and<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u12><u13 name="type">d_and<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u13><u14 name="type">d_and<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u14><u3 name="type">d_nand<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_nand<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_nand<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u5><u7 name="type">d_dff<field13 name="Enter Clk Delay (default=1.0e-9)" /><field14 name="Enter Set Delay (default=1.0e-9)" /><field15 name="Enter Reset Delay (default=1.0)" /><field16 name="Enter IC (default=0)" /><field17 name="Enter value for Data Load (default=1.0e-12)" /><field18 name="Enter value for Clk Load (default=1.0e-12)" /><field19 name="Enter value for Set Load (default=1.0e-12)" /><field20 name="Enter value for Reset Load (default=1.0e-12)" /><field21 name="Enter Rise Delay (default=1.0e-9)" /><field22 name="Enter Fall Delay (default=1.0e-9)" /></u7><u8 name="type">d_dff<field23 name="Enter Clk Delay (default=1.0e-9)" /><field24 name="Enter Set Delay (default=1.0e-9)" /><field25 name="Enter Reset Delay (default=1.0)" /><field26 name="Enter IC (default=0)" /><field27 name="Enter value for Data Load (default=1.0e-12)" /><field28 name="Enter value for Clk Load (default=1.0e-12)" /><field29 name="Enter value for Set Load (default=1.0e-12)" /><field30 name="Enter value for Reset Load (default=1.0e-12)" /><field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /></u8></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/sn54ls72/internalsn54ls72-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72-cache.lib
new file mode 100644
index 00000000..1cdee83e
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72-cache.lib
@@ -0,0 +1,93 @@
+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_dff
+#
+DEF d_dff U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_dff" 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 350 450 -350 -400 0 1 0 N
+X Din 1 -550 350 200 R 50 50 1 1 I
+X Clk 2 -550 -300 200 R 50 50 1 1 I C
+X Set 3 0 650 200 D 50 50 1 1 I
+X Reset 4 0 -600 200 U 50 50 1 1 I
+X Dout 5 550 350 200 L 50 50 1 1 O
+X Ndout 6 550 -300 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_inverter
+#
+DEF d_inverter U 0 40 Y Y 1 F N
+F0 "U" 0 -100 60 H V C CNN
+F1 "d_inverter" 0 150 60 H V C CNN
+F2 "" 50 -50 60 H V C CNN
+F3 "" 50 -50 60 H V C CNN
+DRAW
+P 4 0 1 0 -100 50 -100 -50 100 0 -100 50 N
+X ~ 1 -300 0 200 R 50 50 1 1 I
+X ~ 2 300 0 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_nand
+#
+DEF d_nand U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nand" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir
new file mode 100644
index 00000000..f3277b9f
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir
@@ -0,0 +1,18 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\internal72\internal72.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/24/25 09:40:12
+
+* 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: /
+U3 Net-_U3-Pad1_ Net-_U1-Pad1_ Net-_U3-Pad3_ d_nand
+U4 Net-_U2-Pad2_ Net-_U4-Pad2_ Net-_U4-Pad3_ d_nand
+U5 Net-_U3-Pad3_ Net-_U4-Pad3_ Net-_U5-Pad3_ d_nand
+U2 Net-_U1-Pad3_ Net-_U2-Pad2_ d_inverter
+U7 Net-_U5-Pad3_ Net-_U1-Pad2_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U4-Pad2_ Net-_U3-Pad1_ d_dff
+U8 Net-_U4-Pad2_ Net-_U6-Pad2_ Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ d_dff
+U6 Net-_U1-Pad2_ Net-_U6-Pad2_ d_inverter
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ Net-_U1-Pad3_ ? ? Net-_U1-Pad6_ Net-_U1-Pad7_ Net-_U1-Pad8_ Net-_U1-Pad9_ PORT
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir.out
new file mode 100644
index 00000000..ec11a6c2
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.cir.out
@@ -0,0 +1,40 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\internal72\internal72.cir
+
+* u3 net-_u3-pad1_ net-_u1-pad1_ net-_u3-pad3_ d_nand
+* u4 net-_u2-pad2_ net-_u4-pad2_ net-_u4-pad3_ d_nand
+* u5 net-_u3-pad3_ net-_u4-pad3_ net-_u5-pad3_ d_nand
+* u2 net-_u1-pad3_ net-_u2-pad2_ d_inverter
+* u7 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ d_dff
+* u8 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ d_dff
+* u6 net-_u1-pad2_ net-_u6-pad2_ d_inverter
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ ? ? net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ port
+a1 [net-_u3-pad1_ net-_u1-pad1_ ] net-_u3-pad3_ u3
+a2 [net-_u2-pad2_ net-_u4-pad2_ ] net-_u4-pad3_ u4
+a3 [net-_u3-pad3_ net-_u4-pad3_ ] net-_u5-pad3_ u5
+a4 net-_u1-pad3_ net-_u2-pad2_ u2
+a5 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ u7
+a6 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ u8
+a7 net-_u1-pad2_ net-_u6-pad2_ u6
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u7 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u8 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.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/sn54ls72/internalsn54ls72.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.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/sn54ls72/internalsn54ls72.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sch
new file mode 100644
index 00000000..a5f97c98
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sch
@@ -0,0 +1,299 @@
+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:internal72-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
+$Comp
+L d_nand U3
+U 1 1 68314F2B
+P 4150 2800
+F 0 "U3" H 4150 2800 60 0000 C CNN
+F 1 "d_nand" H 4200 2900 60 0000 C CNN
+F 2 "" H 4150 2800 60 0000 C CNN
+F 3 "" H 4150 2800 60 0000 C CNN
+ 1 4150 2800
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U4
+U 1 1 68314FDD
+P 4150 3350
+F 0 "U4" H 4150 3350 60 0000 C CNN
+F 1 "d_nand" H 4200 3450 60 0000 C CNN
+F 2 "" H 4150 3350 60 0000 C CNN
+F 3 "" H 4150 3350 60 0000 C CNN
+ 1 4150 3350
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U5
+U 1 1 68315038
+P 5250 3100
+F 0 "U5" H 5250 3100 60 0000 C CNN
+F 1 "d_nand" H 5300 3200 60 0000 C CNN
+F 2 "" H 5250 3100 60 0000 C CNN
+F 3 "" H 5250 3100 60 0000 C CNN
+ 1 5250 3100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4600 2750 4800 2750
+Wire Wire Line
+ 4800 2750 4800 3000
+Wire Wire Line
+ 4600 3300 4800 3300
+Wire Wire Line
+ 4800 3300 4800 3100
+$Comp
+L d_inverter U2
+U 1 1 68315089
+P 3200 3250
+F 0 "U2" H 3200 3150 60 0000 C CNN
+F 1 "d_inverter" H 3200 3400 60 0000 C CNN
+F 2 "" H 3250 3200 60 0000 C CNN
+F 3 "" H 3250 3200 60 0000 C CNN
+ 1 3200 3250
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3500 3250 3700 3250
+Wire Wire Line
+ 3700 2800 2600 2800
+Wire Wire Line
+ 2650 3250 2900 3250
+$Comp
+L d_dff U7
+U 1 1 683150F6
+P 6850 3400
+F 0 "U7" H 6850 3400 60 0000 C CNN
+F 1 "d_dff" H 6850 3550 60 0000 C CNN
+F 2 "" H 6850 3400 60 0000 C CNN
+F 3 "" H 6850 3400 60 0000 C CNN
+ 1 6850 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_dff U8
+U 1 1 68315165
+P 8650 3400
+F 0 "U8" H 8650 3400 60 0000 C CNN
+F 1 "d_dff" H 8650 3550 60 0000 C CNN
+F 2 "" H 8650 3400 60 0000 C CNN
+F 3 "" H 8650 3400 60 0000 C CNN
+ 1 8650 3400
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 5700 3050 6300 3050
+Wire Wire Line
+ 3700 3350 3400 3350
+Wire Wire Line
+ 3400 3350 3400 4300
+Wire Wire Line
+ 3400 4300 7650 4300
+Wire Wire Line
+ 7400 3050 8100 3050
+Wire Wire Line
+ 7650 4300 7650 3050
+Connection ~ 7650 3050
+Wire Wire Line
+ 7400 3700 7700 3700
+Wire Wire Line
+ 7700 3700 7700 1950
+Wire Wire Line
+ 7700 1950 3400 1950
+Wire Wire Line
+ 3400 1950 3400 2700
+Wire Wire Line
+ 3400 2700 3700 2700
+Wire Wire Line
+ 6300 3700 2600 3700
+$Comp
+L d_inverter U6
+U 1 1 68315227
+P 6300 4750
+F 0 "U6" H 6300 4650 60 0000 C CNN
+F 1 "d_inverter" H 6300 4900 60 0000 C CNN
+F 2 "" H 6350 4700 60 0000 C CNN
+F 3 "" H 6350 4700 60 0000 C CNN
+ 1 6300 4750
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6000 4750 5550 4750
+Wire Wire Line
+ 5550 4750 5550 3700
+Connection ~ 5550 3700
+Wire Wire Line
+ 6600 4750 7900 4750
+Wire Wire Line
+ 7900 4750 7900 3700
+Wire Wire Line
+ 7900 3700 8100 3700
+Wire Wire Line
+ 6850 4200 8650 4200
+Wire Wire Line
+ 8650 4000 8650 5000
+Connection ~ 8650 4200
+Wire Wire Line
+ 6850 2750 6850 2350
+Wire Wire Line
+ 6850 2350 8650 2350
+Wire Wire Line
+ 8650 1400 8650 2750
+Connection ~ 8650 2350
+Wire Wire Line
+ 6850 4200 6850 4000
+$Comp
+L PORT U1
+U 1 1 683153A5
+P 2350 2800
+F 0 "U1" H 2400 2900 30 0000 C CNN
+F 1 "PORT" H 2350 2800 30 0000 C CNN
+F 2 "" H 2350 2800 60 0000 C CNN
+F 3 "" H 2350 2800 60 0000 C CNN
+ 1 2350 2800
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 683153DC
+P 2400 3250
+F 0 "U1" H 2450 3350 30 0000 C CNN
+F 1 "PORT" H 2400 3250 30 0000 C CNN
+F 2 "" H 2400 3250 60 0000 C CNN
+F 3 "" H 2400 3250 60 0000 C CNN
+ 3 2400 3250
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6831542D
+P 2350 3700
+F 0 "U1" H 2400 3800 30 0000 C CNN
+F 1 "PORT" H 2350 3700 30 0000 C CNN
+F 2 "" H 2350 3700 60 0000 C CNN
+F 3 "" H 2350 3700 60 0000 C CNN
+ 2 2350 3700
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 7 1 6831548B
+P 8400 5000
+F 0 "U1" H 8450 5100 30 0000 C CNN
+F 1 "PORT" H 8400 5000 30 0000 C CNN
+F 2 "" H 8400 5000 60 0000 C CNN
+F 3 "" H 8400 5000 60 0000 C CNN
+ 7 8400 5000
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 6 1 68315516
+P 8400 1400
+F 0 "U1" H 8450 1500 30 0000 C CNN
+F 1 "PORT" H 8400 1400 30 0000 C CNN
+F 2 "" H 8400 1400 60 0000 C CNN
+F 3 "" H 8400 1400 60 0000 C CNN
+ 6 8400 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 8 1 68315583
+P 9450 3050
+F 0 "U1" H 9500 3150 30 0000 C CNN
+F 1 "PORT" H 9450 3050 30 0000 C CNN
+F 2 "" H 9450 3050 60 0000 C CNN
+F 3 "" H 9450 3050 60 0000 C CNN
+ 8 9450 3050
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 683155FA
+P 9450 3700
+F 0 "U1" H 9500 3800 30 0000 C CNN
+F 1 "PORT" H 9450 3700 30 0000 C CNN
+F 2 "" H 9450 3700 60 0000 C CNN
+F 3 "" H 9450 3700 60 0000 C CNN
+ 9 9450 3700
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 6831563D
+P 7050 5450
+F 0 "U1" H 7100 5550 30 0000 C CNN
+F 1 "PORT" H 7050 5450 30 0000 C CNN
+F 2 "" H 7050 5450 60 0000 C CNN
+F 3 "" H 7050 5450 60 0000 C CNN
+ 4 7050 5450
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 68315682
+P 7050 5650
+F 0 "U1" H 7100 5750 30 0000 C CNN
+F 1 "PORT" H 7050 5650 30 0000 C CNN
+F 2 "" H 7050 5650 60 0000 C CNN
+F 3 "" H 7050 5650 60 0000 C CNN
+ 5 7050 5650
+ 1 0 0 -1
+$EndComp
+NoConn ~ 7300 5450
+NoConn ~ 7300 5650
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sub
new file mode 100644
index 00000000..4ff0c262
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72.sub
@@ -0,0 +1,34 @@
+* Subcircuit internal72
+.subckt internal72 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ ? ? net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\internal72\internal72.cir
+* u3 net-_u3-pad1_ net-_u1-pad1_ net-_u3-pad3_ d_nand
+* u4 net-_u2-pad2_ net-_u4-pad2_ net-_u4-pad3_ d_nand
+* u5 net-_u3-pad3_ net-_u4-pad3_ net-_u5-pad3_ d_nand
+* u2 net-_u1-pad3_ net-_u2-pad2_ d_inverter
+* u7 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ d_dff
+* u8 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ d_dff
+* u6 net-_u1-pad2_ net-_u6-pad2_ d_inverter
+a1 [net-_u3-pad1_ net-_u1-pad1_ ] net-_u3-pad3_ u3
+a2 [net-_u2-pad2_ net-_u4-pad2_ ] net-_u4-pad3_ u4
+a3 [net-_u3-pad3_ net-_u4-pad3_ ] net-_u5-pad3_ u5
+a4 net-_u1-pad3_ net-_u2-pad2_ u2
+a5 net-_u5-pad3_ net-_u1-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u4-pad2_ net-_u3-pad1_ u7
+a6 net-_u4-pad2_ net-_u6-pad2_ net-_u1-pad6_ net-_u1-pad7_ net-_u1-pad8_ net-_u1-pad9_ u8
+a7 net-_u1-pad2_ net-_u6-pad2_ u6
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u2 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u7 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_dff, NgSpice Name: d_dff
+.model u8 d_dff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 data_load=1.0e-12 clk_load=1.0e-12 set_load=1.0e-12 reset_load=1.0e-12 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: d_inverter, NgSpice Name: d_inverter
+.model u6 d_inverter(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends internal72 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72_Previous_Values.xml
new file mode 100644
index 00000000..ec31c02b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/internalsn54ls72_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source /><model><u2 name="type">d_jkff<field1 name="Enter Clk Delay (default=1.0e-9)" /><field2 name="Enter Set Delay (default=1.0e-9)" /><field3 name="Enter Reset Delay (default=1.0)" /><field4 name="Enter IC (default=0)" /><field5 name="Enter value for JK Load (default=1.0e-12)" /><field6 name="Enter value for Clk Load (default=1.0e-12)" /><field7 name="Enter value for Set Load (default=1.0e-12)" /><field8 name="Enter value for Reset Load (default=1.0e-12)" /><field9 name="Enter Rise Delay (default=1.0e-9)" /><field10 name="Enter Fall Delay (default=1.0e-9)" /></u2><u4 name="type">d_jkff<field11 name="Enter Clk Delay (default=1.0e-9)" /><field12 name="Enter Set Delay (default=1.0e-9)" /><field13 name="Enter Reset Delay (default=1.0)" /><field14 name="Enter IC (default=0)" /><field15 name="Enter value for JK Load (default=1.0e-12)" /><field16 name="Enter value for Clk Load (default=1.0e-12)" /><field17 name="Enter value for Set Load (default=1.0e-12)" /><field18 name="Enter value for Reset Load (default=1.0e-12)" /><field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /></u4><u3 name="type">d_inverter<field21 name="Enter Rise Delay (default=1.0e-9)" /><field22 name="Enter Fall Delay (default=1.0e-9)" /><field23 name="Enter Input Load (default=1.0e-12)" /></u3><u3 name="type">d_srlatch<field1 name="Enter SR Delay (default=1.0e-9)" /><field2 name="Enter Enable Delay (default=1.0e-9)" /><field3 name="Enter Set Delay (default=1.0e-9)" /><field4 name="Enter Reset Delay (default=1.0)" /><field5 name="Enter IC (default=0)" /><field6 name="Enter value for SR Load (default=1.0e-12)" /><field7 name="Enter value for Enable Load (default=1.0e-12)" /><field8 name="Enter value for Set Load (default=1.0e-12)" /><field9 name="Enter value for Reset Load (default=1.0e-12)" /><field10 name="Enter Rise Delay (default=1.0e-9)" /><field11 name="Enter Fall Delay (default=1.0e-9)" /></u3><u6 name="type">d_srlatch<field12 name="Enter SR Delay (default=1.0e-9)" /><field13 name="Enter Enable Delay (default=1.0e-9)" /><field14 name="Enter Set Delay (default=1.0e-9)" /><field15 name="Enter Reset Delay (default=1.0)" /><field16 name="Enter IC (default=0)" /><field17 name="Enter value for SR Load (default=1.0e-12)" /><field18 name="Enter value for Enable Load (default=1.0e-12)" /><field19 name="Enter value for Set Load (default=1.0e-12)" /><field20 name="Enter value for Reset Load (default=1.0e-12)" /><field21 name="Enter Rise Delay (default=1.0e-9)" /><field22 name="Enter Fall Delay (default=1.0e-9)" /></u6><u2 name="type">d_inverter<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)" /></u2><u4 name="type">d_and<field26 name="Enter Rise Delay (default=1.0e-9)" /><field27 name="Enter Fall Delay (default=1.0e-9)" /><field28 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_and<field29 name="Enter Rise Delay (default=1.0e-9)" /><field30 name="Enter Fall Delay (default=1.0e-9)" /><field31 name="Enter Input Load (default=1.0e-12)" /></u5><u2 name="type">d_and<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_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)" /></u3><u6 name="type">d_inverter<field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /><field15 name="Enter Input Load (default=1.0e-12)" /></u6><u7 name="type">d_inverter<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u7><u8 name="type">d_inverter<field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /><field21 name="Enter Input Load (default=1.0e-12)" /></u8><u9 name="type">d_and<field22 name="Enter Rise Delay (default=1.0e-9)" /><field23 name="Enter Fall Delay (default=1.0e-9)" /><field24 name="Enter Input Load (default=1.0e-12)" /></u9><u10 name="type">d_and<field25 name="Enter Rise Delay (default=1.0e-9)" /><field26 name="Enter Fall Delay (default=1.0e-9)" /><field27 name="Enter Input Load (default=1.0e-12)" /></u10><u11 name="type">d_and<field28 name="Enter Rise Delay (default=1.0e-9)" /><field29 name="Enter Fall Delay (default=1.0e-9)" /><field30 name="Enter Input Load (default=1.0e-12)" /></u11><u12 name="type">d_and<field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /><field33 name="Enter Input Load (default=1.0e-12)" /></u12><u13 name="type">d_and<field34 name="Enter Rise Delay (default=1.0e-9)" /><field35 name="Enter Fall Delay (default=1.0e-9)" /><field36 name="Enter Input Load (default=1.0e-12)" /></u13><u14 name="type">d_and<field37 name="Enter Rise Delay (default=1.0e-9)" /><field38 name="Enter Fall Delay (default=1.0e-9)" /><field39 name="Enter Input Load (default=1.0e-12)" /></u14><u3 name="type">d_nand<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u3><u4 name="type">d_nand<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u4><u5 name="type">d_nand<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u5><u7 name="type">d_dff<field13 name="Enter Clk Delay (default=1.0e-9)" /><field14 name="Enter Set Delay (default=1.0e-9)" /><field15 name="Enter Reset Delay (default=1.0)" /><field16 name="Enter IC (default=0)" /><field17 name="Enter value for Data Load (default=1.0e-12)" /><field18 name="Enter value for Clk Load (default=1.0e-12)" /><field19 name="Enter value for Set Load (default=1.0e-12)" /><field20 name="Enter value for Reset Load (default=1.0e-12)" /><field21 name="Enter Rise Delay (default=1.0e-9)" /><field22 name="Enter Fall Delay (default=1.0e-9)" /></u7><u8 name="type">d_dff<field23 name="Enter Clk Delay (default=1.0e-9)" /><field24 name="Enter Set Delay (default=1.0e-9)" /><field25 name="Enter Reset Delay (default=1.0)" /><field26 name="Enter IC (default=0)" /><field27 name="Enter value for Data Load (default=1.0e-12)" /><field28 name="Enter value for Clk Load (default=1.0e-12)" /><field29 name="Enter value for Set Load (default=1.0e-12)" /><field30 name="Enter value for Reset Load (default=1.0e-12)" /><field31 name="Enter Rise Delay (default=1.0e-9)" /><field32 name="Enter Fall Delay (default=1.0e-9)" /></u8></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/sn54ls72/jkff-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff-cache.lib
new file mode 100644
index 00000000..ce6d8814
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff-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_nand
+#
+DEF d_nand U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_nand" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir
new file mode 100644
index 00000000..2a7b848b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir
@@ -0,0 +1,17 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\jkff\jkff.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/13/25 23:38:58
+
+* 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-Pad5_ Net-_U1-Pad1_ Net-_U2-Pad3_ d_nand
+U4 Net-_U2-Pad3_ Net-_U1-Pad2_ Net-_U4-Pad3_ d_nand
+U3 Net-_U1-Pad3_ Net-_U1-Pad4_ Net-_U3-Pad3_ d_nand
+U5 Net-_U3-Pad3_ Net-_U1-Pad2_ Net-_U5-Pad3_ d_nand
+U6 Net-_U4-Pad3_ Net-_U1-Pad5_ Net-_U1-Pad4_ d_nand
+U7 Net-_U1-Pad4_ Net-_U5-Pad3_ Net-_U1-Pad5_ d_nand
+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/sn54ls72/jkff.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir.out
new file mode 100644
index 00000000..03c161c5
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.cir.out
@@ -0,0 +1,36 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\jkff\jkff.cir
+
+* u2 net-_u1-pad5_ net-_u1-pad1_ net-_u2-pad3_ d_nand
+* u4 net-_u2-pad3_ net-_u1-pad2_ net-_u4-pad3_ d_nand
+* u3 net-_u1-pad3_ net-_u1-pad4_ net-_u3-pad3_ d_nand
+* u5 net-_u3-pad3_ net-_u1-pad2_ net-_u5-pad3_ d_nand
+* u6 net-_u4-pad3_ net-_u1-pad5_ net-_u1-pad4_ d_nand
+* u7 net-_u1-pad4_ net-_u5-pad3_ net-_u1-pad5_ d_nand
+* u1 net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_ port
+a1 [net-_u1-pad5_ net-_u1-pad1_ ] net-_u2-pad3_ u2
+a2 [net-_u2-pad3_ net-_u1-pad2_ ] net-_u4-pad3_ u4
+a3 [net-_u1-pad3_ net-_u1-pad4_ ] net-_u3-pad3_ u3
+a4 [net-_u3-pad3_ net-_u1-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u4-pad3_ net-_u1-pad5_ ] net-_u1-pad4_ u6
+a6 [net-_u1-pad4_ net-_u5-pad3_ ] net-_u1-pad5_ u7
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u2 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u6 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u7 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.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/sn54ls72/jkff.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.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/sn54ls72/jkff.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sch
new file mode 100644
index 00000000..82e3efd9
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sch
@@ -0,0 +1,230 @@
+EESchema Schematic File Version 2
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:power
+LIBS:eSim_Plot
+LIBS:transistors
+LIBS:conn
+LIBS:eSim_User
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:eSim_Analog
+LIBS:eSim_Devices
+LIBS:eSim_Digital
+LIBS:eSim_Hybrid
+LIBS:eSim_Miscellaneous
+LIBS:eSim_Power
+LIBS:eSim_Sources
+LIBS:eSim_Subckt
+LIBS:eSim_Nghdl
+LIBS:eSim_Ngveri
+LIBS:eSim_SKY130
+LIBS:eSim_SKY130_Subckts
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L d_nand U2
+U 1 1 68238979
+P 3900 2300
+F 0 "U2" H 3900 2300 60 0000 C CNN
+F 1 "d_nand" H 3950 2400 60 0000 C CNN
+F 2 "" H 3900 2300 60 0000 C CNN
+F 3 "" H 3900 2300 60 0000 C CNN
+ 1 3900 2300
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U4
+U 1 1 6823899E
+P 4900 2350
+F 0 "U4" H 4900 2350 60 0000 C CNN
+F 1 "d_nand" H 4950 2450 60 0000 C CNN
+F 2 "" H 4900 2350 60 0000 C CNN
+F 3 "" H 4900 2350 60 0000 C CNN
+ 1 4900 2350
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U3
+U 1 1 68238A3B
+P 3900 3500
+F 0 "U3" H 3900 3500 60 0000 C CNN
+F 1 "d_nand" H 3950 3600 60 0000 C CNN
+F 2 "" H 3900 3500 60 0000 C CNN
+F 3 "" H 3900 3500 60 0000 C CNN
+ 1 3900 3500
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U5
+U 1 1 68238A41
+P 4950 3550
+F 0 "U5" H 4950 3550 60 0000 C CNN
+F 1 "d_nand" H 5000 3650 60 0000 C CNN
+F 2 "" H 4950 3550 60 0000 C CNN
+F 3 "" H 4950 3550 60 0000 C CNN
+ 1 4950 3550
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4450 2250 4350 2250
+Wire Wire Line
+ 4500 3450 4350 3450
+$Comp
+L d_nand U6
+U 1 1 68238A9E
+P 6300 2400
+F 0 "U6" H 6300 2400 60 0000 C CNN
+F 1 "d_nand" H 6350 2500 60 0000 C CNN
+F 2 "" H 6300 2400 60 0000 C CNN
+F 3 "" H 6300 2400 60 0000 C CNN
+ 1 6300 2400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_nand U7
+U 1 1 68238B01
+P 6300 3500
+F 0 "U7" H 6300 3500 60 0000 C CNN
+F 1 "d_nand" H 6350 3600 60 0000 C CNN
+F 2 "" H 6300 3500 60 0000 C CNN
+F 3 "" H 6300 3500 60 0000 C CNN
+ 1 6300 3500
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3450 2200 3450 1950
+Wire Wire Line
+ 3450 1950 7250 1950
+Wire Wire Line
+ 6750 2350 7600 2350
+Wire Wire Line
+ 6750 3450 7650 3450
+Wire Wire Line
+ 7250 1950 7250 3450
+Connection ~ 7250 3450
+Wire Wire Line
+ 7100 2350 7100 3850
+Wire Wire Line
+ 7100 3850 3450 3850
+Wire Wire Line
+ 3450 3850 3450 3500
+Connection ~ 7100 2350
+Wire Wire Line
+ 7000 2350 7000 3050
+Wire Wire Line
+ 7000 3050 5850 3050
+Wire Wire Line
+ 5850 3050 5850 3400
+Connection ~ 7000 2350
+Wire Wire Line
+ 5850 2400 5850 2800
+Wire Wire Line
+ 5850 2800 6900 2800
+Wire Wire Line
+ 6900 2800 6900 3450
+Connection ~ 6900 3450
+Wire Wire Line
+ 5850 2300 5350 2300
+Wire Wire Line
+ 5850 3500 5400 3500
+Wire Wire Line
+ 4450 2350 4400 2350
+Wire Wire Line
+ 4400 2350 4400 3550
+Wire Wire Line
+ 4400 3550 4500 3550
+Wire Wire Line
+ 3450 2300 3000 2300
+Wire Wire Line
+ 3450 3400 3000 3400
+Wire Wire Line
+ 4400 2800 3000 2800
+Connection ~ 4400 2800
+$Comp
+L PORT U1
+U 1 1 68238C95
+P 2750 2300
+F 0 "U1" H 2800 2400 30 0000 C CNN
+F 1 "PORT" H 2750 2300 30 0000 C CNN
+F 2 "" H 2750 2300 60 0000 C CNN
+F 3 "" H 2750 2300 60 0000 C CNN
+ 1 2750 2300
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 68238CDA
+P 2750 2800
+F 0 "U1" H 2800 2900 30 0000 C CNN
+F 1 "PORT" H 2750 2800 30 0000 C CNN
+F 2 "" H 2750 2800 60 0000 C CNN
+F 3 "" H 2750 2800 60 0000 C CNN
+ 2 2750 2800
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 3 1 68238D13
+P 2750 3400
+F 0 "U1" H 2800 3500 30 0000 C CNN
+F 1 "PORT" H 2750 3400 30 0000 C CNN
+F 2 "" H 2750 3400 60 0000 C CNN
+F 3 "" H 2750 3400 60 0000 C CNN
+ 3 2750 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 68238D5C
+P 7850 2350
+F 0 "U1" H 7900 2450 30 0000 C CNN
+F 1 "PORT" H 7850 2350 30 0000 C CNN
+F 2 "" H 7850 2350 60 0000 C CNN
+F 3 "" H 7850 2350 60 0000 C CNN
+ 4 7850 2350
+ -1 0 0 1
+$EndComp
+$Comp
+L PORT U1
+U 5 1 68238DF5
+P 7900 3450
+F 0 "U1" H 7950 3550 30 0000 C CNN
+F 1 "PORT" H 7900 3450 30 0000 C CNN
+F 2 "" H 7900 3450 60 0000 C CNN
+F 3 "" H 7900 3450 60 0000 C CNN
+ 5 7900 3450
+ -1 0 0 1
+$EndComp
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sub
new file mode 100644
index 00000000..2d292618
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff.sub
@@ -0,0 +1,30 @@
+* Subcircuit jkff
+.subckt jkff net-_u1-pad1_ net-_u1-pad2_ net-_u1-pad3_ net-_u1-pad4_ net-_u1-pad5_
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\jkff\jkff.cir
+* u2 net-_u1-pad5_ net-_u1-pad1_ net-_u2-pad3_ d_nand
+* u4 net-_u2-pad3_ net-_u1-pad2_ net-_u4-pad3_ d_nand
+* u3 net-_u1-pad3_ net-_u1-pad4_ net-_u3-pad3_ d_nand
+* u5 net-_u3-pad3_ net-_u1-pad2_ net-_u5-pad3_ d_nand
+* u6 net-_u4-pad3_ net-_u1-pad5_ net-_u1-pad4_ d_nand
+* u7 net-_u1-pad4_ net-_u5-pad3_ net-_u1-pad5_ d_nand
+a1 [net-_u1-pad5_ net-_u1-pad1_ ] net-_u2-pad3_ u2
+a2 [net-_u2-pad3_ net-_u1-pad2_ ] net-_u4-pad3_ u4
+a3 [net-_u1-pad3_ net-_u1-pad4_ ] net-_u3-pad3_ u3
+a4 [net-_u3-pad3_ net-_u1-pad2_ ] net-_u5-pad3_ u5
+a5 [net-_u4-pad3_ net-_u1-pad5_ ] net-_u1-pad4_ u6
+a6 [net-_u1-pad4_ net-_u5-pad3_ ] net-_u1-pad5_ u7
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u2 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u4 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u3 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u5 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u6 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_nand, NgSpice Name: d_nand
+.model u7 d_nand(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends jkff \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff_Previous_Values.xml
new file mode 100644
index 00000000..2493eac7
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/jkff_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_nand<field1 name="Enter Rise Delay (default=1.0e-9)" /><field2 name="Enter Fall Delay (default=1.0e-9)" /><field3 name="Enter Input Load (default=1.0e-12)" /></u2><u4 name="type">d_nand<field4 name="Enter Rise Delay (default=1.0e-9)" /><field5 name="Enter Fall Delay (default=1.0e-9)" /><field6 name="Enter Input Load (default=1.0e-12)" /></u4><u3 name="type">d_nand<field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /><field9 name="Enter Input Load (default=1.0e-12)" /></u3><u5 name="type">d_nand<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_nand<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_nand<field16 name="Enter Rise Delay (default=1.0e-9)" /><field17 name="Enter Fall Delay (default=1.0e-9)" /><field18 name="Enter Input Load (default=1.0e-12)" /></u7></model><devicemodel /><subcircuit /></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-cache.lib
new file mode 100644
index 00000000..d4d3e35d
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-cache.lib
@@ -0,0 +1,141 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# DC
+#
+DEF DC v 0 40 Y Y 1 F N
+F0 "v" -200 100 60 H V C CNN
+F1 "DC" -200 -50 60 H V C CNN
+F2 "R1" -300 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+$FPLIST
+ 1_pin
+$ENDFPLIST
+DRAW
+C 0 0 150 0 1 0 N
+X + 1 0 450 300 D 50 50 1 1 w
+X - 2 0 -450 300 U 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# adc_bridge_2
+#
+DEF adc_bridge_2 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "adc_bridge_2" 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 -100 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 OUT1 3 550 50 200 L 50 50 1 1 O
+X OUT2 4 550 -50 200 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
+#
+# dac_bridge_2
+#
+DEF dac_bridge_2 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "dac_bridge_2" 50 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -250 200 350 -100 0 1 0 N
+X IN1 1 -450 50 200 R 50 50 1 1 I
+X IN2 2 -450 -50 200 R 50 50 1 1 I
+X OUT1 3 550 50 200 L 50 50 1 1 O
+X OUT4 4 550 -50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# internal72
+#
+DEF internal72 x 0 40 Y Y 1 F N
+F0 "x" 0 -150 60 H V C CNN
+F1 "internal72" 0 650 60 H V C CNN
+F2 "" 0 -150 60 H I C CNN
+F3 "" 0 -150 60 H I C CNN
+DRAW
+S 200 550 -250 -100 0 1 0 N
+X j 1 -450 500 200 R 50 50 1 1 I
+X clk 2 -450 400 200 R 50 50 1 1 I
+X k 3 -450 300 200 R 50 50 1 1 I
+X vcc 4 -450 0 200 R 50 50 1 1 I
+X gnd 5 400 450 200 L 50 50 1 1 O
+X pre 6 -450 200 200 R 50 50 1 1 I
+X clr 7 -450 100 200 R 50 50 1 1 I
+X Q 8 400 350 200 L 50 50 1 1 O
+X Qnot 9 400 250 200 L 50 50 1 1 O
+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/sn54ls72/sn54ls72-rescue.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-rescue.lib
new file mode 100644
index 00000000..00ebd155
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72-rescue.lib
@@ -0,0 +1,25 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# internal72-RESCUE-72
+#
+DEF internal72-RESCUE-72 x 0 40 Y Y 1 F N
+F0 "x" 0 -150 60 H V C CNN
+F1 "internal72-RESCUE-72" 0 650 60 H V C CNN
+F2 "" 0 -150 60 H I C CNN
+F3 "" 0 -150 60 H I C CNN
+DRAW
+S 200 550 -250 -100 0 1 0 N
+X j 1 -450 500 200 R 50 50 1 1 I
+X k 2 -450 300 200 R 50 50 1 1 I
+X clk 3 -450 400 200 R 50 50 1 1 I
+X pre 4 -450 200 200 R 50 50 1 1 I
+X gnd 5 400 450 200 L 50 50 1 1 O
+X vcc 6 -450 0 200 R 50 50 1 1 I
+X clr 7 -450 100 200 R 50 50 1 1 I
+X Q 8 400 350 200 L 50 50 1 1 O
+X Qnot 9 400 250 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir
new file mode 100644
index 00000000..cbc2fbb8
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir
@@ -0,0 +1,24 @@
+* C:\Users\Shanthipriya\eSim-Workspace\72\72.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/24/25 09:48:04
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U8 Qnot plot_v1
+U7 Q plot_v1
+U3 k plot_v1
+U1 j plot_v1
+U2 clk plot_v1
+v3 k GND pulse
+v2 clk GND pulse
+v1 j GND pulse
+U6 Net-_U6-Pad1_ Net-_U6-Pad2_ Q Qnot dac_bridge_2
+U5 j clk k Net-_U5-Pad4_ Net-_U5-Pad5_ Net-_U5-Pad6_ adc_bridge_3
+x1 Net-_U5-Pad4_ Net-_U5-Pad5_ Net-_U5-Pad6_ ? ? Net-_U4-Pad3_ Net-_U4-Pad4_ Net-_U6-Pad1_ Net-_U6-Pad2_ internal72
+v4 pre GND DC
+U4 pre clr Net-_U4-Pad3_ Net-_U4-Pad4_ adc_bridge_2
+v5 clr GND DC
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir.out
new file mode 100644
index 00000000..f43756bd
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.cir.out
@@ -0,0 +1,36 @@
+* c:\users\shanthipriya\esim-workspace\72\72.cir
+
+.include internal72.sub
+* u8 qnot plot_v1
+* u7 q plot_v1
+* u3 k plot_v1
+* u1 j plot_v1
+* u2 clk plot_v1
+v3 k gnd pulse(5 0 0.3u 1n 1n 1u 2.1u)
+v2 clk gnd pulse(0 5 0.1u 1n 1n 20n 45n)
+v1 j gnd pulse(0 5 0.5u 1n 1n 1u 2.1u)
+* u6 net-_u6-pad1_ net-_u6-pad2_ q qnot dac_bridge_2
+* u5 j clk k net-_u5-pad4_ net-_u5-pad5_ net-_u5-pad6_ adc_bridge_3
+x1 net-_u5-pad4_ net-_u5-pad5_ net-_u5-pad6_ ? ? net-_u4-pad3_ net-_u4-pad4_ net-_u6-pad1_ net-_u6-pad2_ internal72
+v4 pre gnd dc 0
+* u4 pre clr net-_u4-pad3_ net-_u4-pad4_ adc_bridge_2
+v5 clr gnd dc 0
+a1 [net-_u6-pad1_ net-_u6-pad2_ ] [q qnot ] u6
+a2 [j clk k ] [net-_u5-pad4_ net-_u5-pad5_ net-_u5-pad6_ ] u5
+a3 [pre clr ] [net-_u4-pad3_ net-_u4-pad4_ ] u4
+* Schematic Name: dac_bridge_2, NgSpice Name: dac_bridge
+.model u6 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: adc_bridge_3, NgSpice Name: adc_bridge
+.model u5 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: adc_bridge_2, NgSpice Name: adc_bridge
+.model u4 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+.tran 1e-09 5e-06 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+plot v(qnot)+6 v(q)+12 v(k)+18 v(j)+24 v(clk)
+.endc
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.pro
new file mode 100644
index 00000000..ae6dd82f
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.pro
@@ -0,0 +1,74 @@
+update=05/23/25 21:51:07
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=72-rescue
+LibName2=adc-dac
+LibName3=memory
+LibName4=xilinx
+LibName5=microcontrollers
+LibName6=dsp
+LibName7=microchip
+LibName8=analog_switches
+LibName9=motorola
+LibName10=texas
+LibName11=intel
+LibName12=audio
+LibName13=interface
+LibName14=digital-audio
+LibName15=philips
+LibName16=display
+LibName17=cypress
+LibName18=siliconi
+LibName19=opto
+LibName20=atmel
+LibName21=contrib
+LibName22=power
+LibName23=eSim_Plot
+LibName24=transistors
+LibName25=conn
+LibName26=eSim_User
+LibName27=regul
+LibName28=74xx
+LibName29=cmos4000
+LibName30=eSim_Analog
+LibName31=eSim_Devices
+LibName32=eSim_Digital
+LibName33=eSim_Hybrid
+LibName34=eSim_Miscellaneous
+LibName35=eSim_Power
+LibName36=eSim_Sources
+LibName37=eSim_Subckt
+LibName38=eSim_Nghdl
+LibName39=eSim_Ngveri
+LibName40=eSim_SKY130
+LibName41=eSim_SKY130_Subckts
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.proj b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.proj
new file mode 100644
index 00000000..a16f094e
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.proj
@@ -0,0 +1 @@
+schematicFile 72.sch
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.sch
new file mode 100644
index 00000000..658788a0
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72.sch
@@ -0,0 +1,375 @@
+EESchema Schematic File Version 2
+LIBS:72-rescue
+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:72-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
+Connection ~ 8450 3250
+Wire Wire Line
+ 8450 2850 8450 3250
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+Text GLabel 8350 2850 0 60 Input ~ 0
+Qnot
+Connection ~ 7850 3150
+Wire Wire Line
+ 7850 2800 7850 3150
+Wire Wire Line
+ 7550 2800 7850 2800
+Text GLabel 7550 2800 0 60 Input ~ 0
+Q
+Connection ~ 2250 2750
+Wire Wire Line
+ 1850 2750 2250 2750
+Text GLabel 1850 2750 0 60 Input ~ 0
+k
+Connection ~ 1050 2550
+Wire Wire Line
+ 650 2550 1050 2550
+Text GLabel 650 2550 0 60 Input ~ 0
+j
+Connection ~ 1600 2600
+Wire Wire Line
+ 1300 2600 1600 2600
+Text GLabel 1300 2600 0 60 Input ~ 0
+clk
+Wire Wire Line
+ 8650 3250 7400 3250
+Wire Wire Line
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+Wire Wire Line
+ 8000 3150 7400 3150
+Wire Wire Line
+ 8000 2700 8000 3150
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diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72_Previous_Values.xml
new file mode 100644
index 00000000..d2f9a188
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls72/sn54ls72_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source><v1 name="Source type">pulse<field1 name="Initial Value">0</field1><field2 name="Pulse Value">5</field2><field3 name="Delay Time">0.5u</field3><field4 name="Rise Time">1n</field4><field5 name="Fall Time">1n</field5><field5 name="Pulse width">1u</field5><field5 name="Period">2.1u</field5></v1><v2 name="Source type">pulse<field1 name="Initial Value">0</field1><field2 name="Pulse Value">5</field2><field3 name="Delay Time">0.1u</field3><field4 name="Rise Time">1n</field4><field5 name="Fall Time">1n</field5><field5 name="Pulse width">20n</field5><field5 name="Period">45n</field5></v2><v3 name="Source type">pulse<field1 name="Initial Value">5</field1><field2 name="Pulse Value">0</field2><field3 name="Delay Time">0.3u</field3><field4 name="Rise Time">1n</field4><field5 name="Fall Time">1n</field5><field5 name="Pulse width">1u</field5><field5 name="Period">2.1u</field5></v3><v4 name="Source type">dc<field1 name="Value">0</field1></v4><v5 name="Source type">dc<field1 name="Value">0</field1></v5></source><model><u5 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)" /></u5><u6 name="type">dac_bridge<field5 name="Enter value for out_low (default=0.0)" /><field6 name="Enter value for out_high (default=5.0)" /><field7 name="Enter value for out_undef (default=0.5)" /><field8 name="Enter value for input load (default=1.0e-12)" /><field9 name="Enter the Rise Time (default=1.0e-9)" /><field10 name="Enter the Fall Time (default=1.0e-9)" /></u6><u4 name="type">adc_bridge<field11 name="Enter value for in_low (default=1.0)" /><field12 name="Enter value for in_high (default=2.0)" /><field13 name="Enter Rise Delay (default=1.0e-9)" /><field14 name="Enter Fall Delay (default=1.0e-9)" /></u4><u4 name="type">d_inverter<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)" /></u4><u9 name="type">d_jkff<field11 name="Enter Clk Delay (default=1.0e-9)" /><field12 name="Enter Set Delay (default=1.0e-9)" /><field13 name="Enter Reset Delay (default=1.0)" /><field14 name="Enter IC (default=0)" /><field15 name="Enter value for JK Load (default=1.0e-12)" /><field16 name="Enter value for Clk Load (default=1.0e-12)" /><field17 name="Enter value for Set Load (default=1.0e-12)" /><field18 name="Enter value for Reset Load (default=1.0e-12)" /><field19 name="Enter Rise Delay (default=1.0e-9)" /><field20 name="Enter Fall Delay (default=1.0e-9)" /></u9><u10 name="type">d_jkff<field21 name="Enter Clk Delay (default=1.0e-9)" /><field22 name="Enter Set Delay (default=1.0e-9)" /><field23 name="Enter Reset Delay (default=1.0)" /><field24 name="Enter IC (default=0)" /><field25 name="Enter value for JK Load (default=1.0e-12)" /><field26 name="Enter value for Clk Load (default=1.0e-12)" /><field27 name="Enter value for Set Load (default=1.0e-12)" /><field28 name="Enter value for Reset Load (default=1.0e-12)" /><field29 name="Enter Rise Delay (default=1.0e-9)" /><field30 name="Enter Fall Delay (default=1.0e-9)" /></u10></model><devicemodel /><subcircuit><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\internal72</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">0</field1><field2 name="Step Time">1</field2><field3 name="Stop Time">5</field3><field4 name="Start Combo">sec</field4><field5 name="Step Combo">ns</field5><field6 name="Stop Combo">us</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file