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-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90-cache.lib99
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir21
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir.out52
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sch494
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sub46
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90_Previous_Values.xml1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/analysis1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90-cache.lib147
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir29
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir.out47
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.pro73
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.proj1
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.sch440
-rw-r--r--library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90_Previous_Values.xml1
15 files changed, 1525 insertions, 0 deletions
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90-cache.lib
new file mode 100644
index 00000000..268e1bb1
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90-cache.lib
@@ -0,0 +1,99 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# PORT
+#
+DEF PORT U 0 40 Y Y 26 F N
+F0 "U" 50 100 30 H V C CNN
+F1 "PORT" 0 0 30 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 325 225 285 -1421 -1278 0 1 0 N 100 50 150 0
+A 376 -275 356 1294 1408 0 1 0 N 150 0 100 -50
+S -100 50 100 -50 0 1 0 N
+X ~ 1 250 0 100 L 30 30 1 1 B
+X ~ 2 250 0 100 L 30 30 2 1 B
+X ~ 3 250 0 100 L 30 30 3 1 B
+X ~ 4 250 0 100 L 30 30 4 1 B
+X ~ 5 250 0 100 L 30 30 5 1 B
+X ~ 6 250 0 100 L 30 30 6 1 B
+X ~ 7 250 0 100 L 30 30 7 1 B
+X ~ 8 250 0 100 L 30 30 8 1 B
+X ~ 9 250 0 100 L 30 30 9 1 B
+X ~ 10 250 0 100 L 30 30 10 1 B
+X ~ 11 250 0 100 L 30 30 11 1 B
+X ~ 12 250 0 100 L 30 30 12 1 B
+X ~ 13 250 0 100 L 30 30 13 1 B
+X ~ 14 250 0 100 L 30 30 14 1 B
+X ~ 15 250 0 100 L 30 30 15 1 B
+X ~ 16 250 0 100 L 30 30 16 1 B
+X ~ 17 250 0 100 L 30 30 17 1 B
+X ~ 18 250 0 100 L 30 30 18 1 B
+X ~ 19 250 0 100 L 30 30 19 1 B
+X ~ 20 250 0 100 L 30 30 20 1 B
+X ~ 21 250 0 100 L 30 30 21 1 B
+X ~ 22 250 0 100 L 30 30 22 1 B
+X ~ 23 250 0 100 L 30 30 23 1 B
+X ~ 24 250 0 100 L 30 30 24 1 B
+X ~ 25 250 0 100 L 30 30 25 1 B
+X ~ 26 250 0 100 L 30 30 26 1 B
+ENDDRAW
+ENDDEF
+#
+# d_and
+#
+DEF d_and U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_and" 50 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A 149 50 100 -894 0 0 1 0 N 150 -50 250 50
+A 150 49 100 6 900 0 1 0 N 250 50 150 150
+P 4 0 1 0 150 -50 -250 -50 -250 150 150 150 N
+X IN1 1 -450 100 200 R 50 50 1 1 I
+X IN2 2 -450 0 200 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# d_jkff
+#
+DEF d_jkff U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_jkff" 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 600 550 -600 -600 0 1 0 N
+X J 1 -800 400 200 R 50 50 1 1 I
+X K 2 -800 -450 200 R 50 50 1 1 I
+X Clk 3 -800 0 200 R 50 50 1 1 I C
+X Set 4 0 750 200 D 50 50 1 1 I
+X Reset 5 0 -800 200 U 50 50 1 1 I
+X Out 6 800 400 200 L 50 50 1 1 O
+X Nout 7 800 -450 200 L 50 50 1 1 O I
+ENDDRAW
+ENDDEF
+#
+# d_or
+#
+DEF d_or U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "d_or" 0 100 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+A -450 50 224 266 -266 0 1 0 N -250 150 -250 -50
+A -25 -124 325 574 323 0 1 0 N 150 150 250 50
+A 74 125 191 -665 -231 0 1 0 N 150 -50 250 50
+P 2 0 1 0 -250 -50 150 -50 N
+P 2 0 1 0 -250 150 150 150 N
+X IN1 1 -450 100 215 R 50 50 1 1 I
+X IN2 2 -450 0 215 R 50 50 1 1 I
+X OUT 3 450 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir
new file mode 100644
index 00000000..78ecb37d
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir
@@ -0,0 +1,21 @@
+* C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\74ls90\74ls90.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/15/25 15:54:08
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+U2 /JK /JK /CLK /R01 /R91 /QA ? d_jkff
+U4 Net-_U3-Pad3_ Net-_U3-Pad3_ /CLK /R01 /R91 /QB ? d_jkff
+U8 Net-_U5-Pad3_ Net-_U5-Pad3_ /CLK /R01 /R91 /QC ? d_jkff
+U11 Net-_U10-Pad3_ Net-_U10-Pad3_ /CLK /R01 /R91 /QD Net-_U11-Pad7_ d_jkff
+U3 Net-_U11-Pad7_ /QA Net-_U3-Pad3_ d_and
+U5 /QA /QB Net-_U5-Pad3_ d_and
+U7 /QA /QD Net-_U10-Pad2_ d_and
+U6 /QA /QB Net-_U6-Pad3_ d_and
+U9 Net-_U6-Pad3_ /QC Net-_U10-Pad1_ d_and
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ d_or
+U1 /R91 /CLK /R01 /JK ? ? ? ? /QA /QB /QC /QD PORT
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir.out
new file mode 100644
index 00000000..b942ea4d
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.cir.out
@@ -0,0 +1,52 @@
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\74ls90\74ls90.cir
+
+* u2 /jk /jk /clk /r01 /r91 /qa ? d_jkff
+* u4 net-_u3-pad3_ net-_u3-pad3_ /clk /r01 /r91 /qb ? d_jkff
+* u8 net-_u5-pad3_ net-_u5-pad3_ /clk /r01 /r91 /qc ? d_jkff
+* u11 net-_u10-pad3_ net-_u10-pad3_ /clk /r01 /r91 /qd net-_u11-pad7_ d_jkff
+* u3 net-_u11-pad7_ /qa net-_u3-pad3_ d_and
+* u5 /qa /qb net-_u5-pad3_ d_and
+* u7 /qa /qd net-_u10-pad2_ d_and
+* u6 /qa /qb net-_u6-pad3_ d_and
+* u9 net-_u6-pad3_ /qc net-_u10-pad1_ d_and
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_or
+* u1 /r91 /clk /r01 /jk ? ? ? ? /qa /qb /qc /qd port
+a1 /jk /jk /clk /r01 /r91 /qa ? u2
+a2 net-_u3-pad3_ net-_u3-pad3_ /clk /r01 /r91 /qb ? u4
+a3 net-_u5-pad3_ net-_u5-pad3_ /clk /r01 /r91 /qc ? u8
+a4 net-_u10-pad3_ net-_u10-pad3_ /clk /r01 /r91 /qd net-_u11-pad7_ u11
+a5 [net-_u11-pad7_ /qa ] net-_u3-pad3_ u3
+a6 [/qa /qb ] net-_u5-pad3_ u5
+a7 [/qa /qd ] net-_u10-pad2_ u7
+a8 [/qa /qb ] net-_u6-pad3_ u6
+a9 [net-_u6-pad3_ /qc ] net-_u10-pad1_ u9
+a10 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+* Schematic Name: d_jkff, NgSpice Name: d_jkff
+.model u2 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_jkff, NgSpice Name: d_jkff
+.model u4 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_jkff, NgSpice Name: d_jkff
+.model u8 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_jkff, NgSpice Name: d_jkff
+.model u11 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_and, NgSpice Name: d_and
+.model u3 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u5 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u7 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u6 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u9 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u10 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+.tran 0e-00 0e-00 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+.endc
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.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/sn54ls90/74ls90.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sch
new file mode 100644
index 00000000..b8a1d6e2
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sch
@@ -0,0 +1,494 @@
+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
+$Comp
+L d_jkff U2
+U 1 1 6825B2FF
+P 2800 3400
+F 0 "U2" H 2800 3400 60 0000 C CNN
+F 1 "d_jkff" H 2850 3550 60 0000 C CNN
+F 2 "" H 2800 3400 60 0000 C CNN
+F 3 "" H 2800 3400 60 0000 C CNN
+ 1 2800 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_jkff U4
+U 1 1 6825B328
+P 5000 3400
+F 0 "U4" H 5000 3400 60 0000 C CNN
+F 1 "d_jkff" H 5050 3550 60 0000 C CNN
+F 2 "" H 5000 3400 60 0000 C CNN
+F 3 "" H 5000 3400 60 0000 C CNN
+ 1 5000 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_jkff U8
+U 1 1 6825B407
+P 7250 3400
+F 0 "U8" H 7250 3400 60 0000 C CNN
+F 1 "d_jkff" H 7300 3550 60 0000 C CNN
+F 2 "" H 7250 3400 60 0000 C CNN
+F 3 "" H 7250 3400 60 0000 C CNN
+ 1 7250 3400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_jkff U11
+U 1 1 6825B40D
+P 9450 3400
+F 0 "U11" H 9450 3400 60 0000 C CNN
+F 1 "d_jkff" H 9500 3550 60 0000 C CNN
+F 2 "" H 9450 3400 60 0000 C CNN
+F 3 "" H 9450 3400 60 0000 C CNN
+ 1 9450 3400
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2800 2650 9450 2650
+Connection ~ 5000 2650
+Connection ~ 7250 2650
+Wire Wire Line
+ 2800 4200 9450 4200
+Connection ~ 7250 4200
+Connection ~ 5000 4200
+Wire Wire Line
+ 3550 800 3550 2650
+Wire Wire Line
+ 1850 800 3550 800
+Connection ~ 3550 2650
+Wire Wire Line
+ 2000 3850 1850 3850
+Wire Wire Line
+ 1850 3850 1850 1100
+Wire Wire Line
+ 2000 3000 1850 3000
+Connection ~ 1850 3000
+Wire Wire Line
+ 2000 3400 1750 3400
+Wire Wire Line
+ 1750 1400 1750 4600
+Wire Wire Line
+ 1750 4600 8350 4600
+Wire Wire Line
+ 3950 4600 3950 3400
+Wire Wire Line
+ 3950 3400 4200 3400
+Connection ~ 1750 3400
+Wire Wire Line
+ 6150 4600 6150 3400
+Wire Wire Line
+ 6150 3400 6450 3400
+Connection ~ 3950 4600
+Wire Wire Line
+ 8350 4600 8350 3400
+Wire Wire Line
+ 8350 3400 8650 3400
+Connection ~ 6150 4600
+$Comp
+L d_and U3
+U 1 1 6825B512
+P 4200 1600
+F 0 "U3" H 4200 1600 60 0000 C CNN
+F 1 "d_and" H 4250 1700 60 0000 C CNN
+F 2 "" H 4200 1600 60 0000 C CNN
+F 3 "" H 4200 1600 60 0000 C CNN
+ 1 4200 1600
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 3750 1600 3750 5850
+Wire Wire Line
+ 3750 3000 3600 3000
+Connection ~ 3750 3000
+NoConn ~ 3600 3850
+NoConn ~ 5800 3850
+NoConn ~ 8050 3850
+Wire Wire Line
+ 4200 3000 4200 2000
+Wire Wire Line
+ 4200 2000 4650 2000
+Wire Wire Line
+ 4650 2000 4650 1550
+Wire Wire Line
+ 4200 3850 4050 3850
+Wire Wire Line
+ 4050 3850 4050 2950
+Wire Wire Line
+ 4050 2950 4200 2950
+Connection ~ 4200 2950
+$Comp
+L d_and U5
+U 1 1 6825B774
+P 6150 1700
+F 0 "U5" H 6150 1700 60 0000 C CNN
+F 1 "d_and" H 6200 1800 60 0000 C CNN
+F 2 "" H 6150 1700 60 0000 C CNN
+F 3 "" H 6150 1700 60 0000 C CNN
+ 1 6150 1700
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U7
+U 1 1 6825B7B9
+P 6600 1400
+F 0 "U7" H 6600 1400 60 0000 C CNN
+F 1 "d_and" H 6650 1500 60 0000 C CNN
+F 2 "" H 6600 1400 60 0000 C CNN
+F 3 "" H 6600 1400 60 0000 C CNN
+ 1 6600 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U6
+U 1 1 6825B80C
+P 6450 650
+F 0 "U6" H 6450 650 60 0000 C CNN
+F 1 "d_and" H 6500 750 60 0000 C CNN
+F 2 "" H 6450 650 60 0000 C CNN
+F 3 "" H 6450 650 60 0000 C CNN
+ 1 6450 650
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_and U9
+U 1 1 6825B87D
+P 7750 700
+F 0 "U9" H 7750 700 60 0000 C CNN
+F 1 "d_and" H 7800 800 60 0000 C CNN
+F 2 "" H 7750 700 60 0000 C CNN
+F 3 "" H 7750 700 60 0000 C CNN
+ 1 7750 700
+ 1 0 0 -1
+$EndComp
+$Comp
+L d_or U10
+U 1 1 6825B8B4
+P 8300 1050
+F 0 "U10" H 8300 1050 60 0000 C CNN
+F 1 "d_or" H 8300 1150 60 0000 C CNN
+F 2 "" H 8300 1050 60 0000 C CNN
+F 3 "" H 8300 1050 60 0000 C CNN
+ 1 8300 1050
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 5700 1700 5700 2850
+Wire Wire Line
+ 5700 2850 5800 2850
+Wire Wire Line
+ 5800 2850 5800 5850
+Connection ~ 5800 3000
+Wire Wire Line
+ 5700 1600 4850 1600
+Wire Wire Line
+ 4850 550 4850 1800
+Wire Wire Line
+ 4850 1800 3750 1800
+Connection ~ 3750 1800
+Wire Wire Line
+ 4850 550 6000 550
+Connection ~ 4850 1600
+Wire Wire Line
+ 6000 650 5500 650
+Wire Wire Line
+ 5500 650 5500 1700
+Wire Wire Line
+ 5500 1700 5700 1700
+Wire Wire Line
+ 6150 1400 5200 1400
+Wire Wire Line
+ 5200 1400 5200 2050
+Wire Wire Line
+ 5200 2050 10250 2050
+Wire Wire Line
+ 10250 2050 10250 3000
+Wire Wire Line
+ 10250 3000 10450 3000
+Wire Wire Line
+ 10450 3000 10450 5850
+Wire Wire Line
+ 7050 1350 7850 1350
+Wire Wire Line
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+Wire Wire Line
+ 7850 950 7750 950
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+ 8900 1000 8900 2400
+Wire Wire Line
+ 8900 2400 8400 2400
+Wire Wire Line
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+Wire Wire Line
+ 8400 3000 8650 3000
+Wire Wire Line
+ 8650 3850 8500 3850
+Wire Wire Line
+ 8500 3850 8500 3000
+Connection ~ 8500 3000
+Wire Wire Line
+ 8050 3000 8250 3000
+Wire Wire Line
+ 8250 1500 8250 5850
+Wire Wire Line
+ 8250 1500 7300 1500
+Wire Wire Line
+ 7300 1500 7300 700
+Connection ~ 8250 3000
+Wire Wire Line
+ 7300 600 6900 600
+Wire Wire Line
+ 6600 1650 6600 2550
+Wire Wire Line
+ 6600 2550 6250 2550
+Wire Wire Line
+ 6250 2550 6250 3850
+Wire Wire Line
+ 6250 3850 6450 3850
+Wire Wire Line
+ 6450 3000 6250 3000
+Connection ~ 6250 3000
+Wire Wire Line
+ 6150 1300 5850 1300
+Wire Wire Line
+ 5850 1300 5850 550
+Connection ~ 5850 550
+Wire Wire Line
+ 3750 1500 3750 1150
+Wire Wire Line
+ 3750 1150 10850 1150
+Wire Wire Line
+ 10850 1150 10850 3850
+Wire Wire Line
+ 10850 3850 10250 3850
+Wire Wire Line
+ 3300 4200 3300 4300
+Wire Wire Line
+ 3300 4300 1650 4300
+Wire Wire Line
+ 1650 4300 1650 1750
+Connection ~ 3300 4200
+$Comp
+L PORT U1
+U 3 1 6825C341
+P 1600 800
+F 0 "U1" H 1650 900 30 0000 C CNN
+F 1 "PORT" H 1600 800 30 0000 C CNN
+F 2 "" H 1600 800 60 0000 C CNN
+F 3 "" H 1600 800 60 0000 C CNN
+ 3 1600 800
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 4 1 6825C3B9
+P 1600 1100
+F 0 "U1" H 1650 1200 30 0000 C CNN
+F 1 "PORT" H 1600 1100 30 0000 C CNN
+F 2 "" H 1600 1100 60 0000 C CNN
+F 3 "" H 1600 1100 60 0000 C CNN
+ 4 1600 1100
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 2 1 6825C422
+P 1500 1400
+F 0 "U1" H 1550 1500 30 0000 C CNN
+F 1 "PORT" H 1500 1400 30 0000 C CNN
+F 2 "" H 1500 1400 60 0000 C CNN
+F 3 "" H 1500 1400 60 0000 C CNN
+ 2 1500 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 1 1 6825C479
+P 1400 1750
+F 0 "U1" H 1450 1850 30 0000 C CNN
+F 1 "PORT" H 1400 1750 30 0000 C CNN
+F 2 "" H 1400 1750 60 0000 C CNN
+F 3 "" H 1400 1750 60 0000 C CNN
+ 1 1400 1750
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 9 1 6825C4DE
+P 3500 5850
+F 0 "U1" H 3550 5950 30 0000 C CNN
+F 1 "PORT" H 3500 5850 30 0000 C CNN
+F 2 "" H 3500 5850 60 0000 C CNN
+F 3 "" H 3500 5850 60 0000 C CNN
+ 9 3500 5850
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 10 1 6825C543
+P 5550 5850
+F 0 "U1" H 5600 5950 30 0000 C CNN
+F 1 "PORT" H 5550 5850 30 0000 C CNN
+F 2 "" H 5550 5850 60 0000 C CNN
+F 3 "" H 5550 5850 60 0000 C CNN
+ 10 5550 5850
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 11 1 6825C5B8
+P 8000 5850
+F 0 "U1" H 8050 5950 30 0000 C CNN
+F 1 "PORT" H 8000 5850 30 0000 C CNN
+F 2 "" H 8000 5850 60 0000 C CNN
+F 3 "" H 8000 5850 60 0000 C CNN
+ 11 8000 5850
+ 1 0 0 -1
+$EndComp
+$Comp
+L PORT U1
+U 12 1 6825C637
+P 10200 5850
+F 0 "U1" H 10250 5950 30 0000 C CNN
+F 1 "PORT" H 10200 5850 30 0000 C CNN
+F 2 "" H 10200 5850 60 0000 C CNN
+F 3 "" H 10200 5850 60 0000 C CNN
+ 12 10200 5850
+ 1 0 0 -1
+$EndComp
+Text Label 2650 800 0 60 ~ 0
+R01
+$Comp
+L PORT U1
+U 5 1 6825C6D3
+P 1750 5100
+F 0 "U1" H 1800 5200 30 0000 C CNN
+F 1 "PORT" H 1750 5100 30 0000 C CNN
+F 2 "" H 1750 5100 60 0000 C CNN
+F 3 "" H 1750 5100 60 0000 C CNN
+ 5 1750 5100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2000 5100 2600 5100
+NoConn ~ 2600 5100
+Text Label 2250 5100 0 60 ~ 0
+R02
+Text Label 1850 1200 0 60 ~ 0
+JK
+Text Label 1750 1600 0 60 ~ 0
+CLK
+Text Label 1650 2200 0 60 ~ 0
+R91
+$Comp
+L PORT U1
+U 6 1 6825C88D
+P 1750 5450
+F 0 "U1" H 1800 5550 30 0000 C CNN
+F 1 "PORT" H 1750 5450 30 0000 C CNN
+F 2 "" H 1750 5450 60 0000 C CNN
+F 3 "" H 1750 5450 60 0000 C CNN
+ 6 1750 5450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2000 5450 2600 5450
+NoConn ~ 2600 5450
+Text Label 2300 5450 0 60 ~ 0
+R92
+Text Label 3750 5050 0 60 ~ 0
+QA
+Text Label 5800 4950 0 60 ~ 0
+QB
+Text Label 8250 4900 0 60 ~ 0
+QC
+Text Label 10450 4800 0 60 ~ 0
+QD
+$Comp
+L PORT U1
+U 7 1 6825CE65
+P 1750 5800
+F 0 "U1" H 1800 5900 30 0000 C CNN
+F 1 "PORT" H 1750 5800 30 0000 C CNN
+F 2 "" H 1750 5800 60 0000 C CNN
+F 3 "" H 1750 5800 60 0000 C CNN
+ 7 1750 5800
+ 1 0 0 -1
+$EndComp
+NoConn ~ 2000 5800
+$Comp
+L PORT U1
+U 8 1 6825CEDB
+P 1750 6000
+F 0 "U1" H 1800 6100 30 0000 C CNN
+F 1 "PORT" H 1750 6000 30 0000 C CNN
+F 2 "" H 1750 6000 60 0000 C CNN
+F 3 "" H 1750 6000 60 0000 C CNN
+ 8 1750 6000
+ 1 0 0 -1
+$EndComp
+NoConn ~ 2000 6000
+$EndSCHEMATC
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sub b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sub
new file mode 100644
index 00000000..1830a145
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90.sub
@@ -0,0 +1,46 @@
+* Subcircuit 74ls90
+.subckt 74ls90 /r91 /clk /r01 /jk ? ? ? ? /qa /qb /qc /qd
+* c:\users\shanthipriya\desktop\madeeasy\fossee\esim\library\subcircuitlibrary\74ls90\74ls90.cir
+* u2 /jk /jk /clk /r01 /r91 /qa ? d_jkff
+* u4 net-_u3-pad3_ net-_u3-pad3_ /clk /r01 /r91 /qb ? d_jkff
+* u8 net-_u5-pad3_ net-_u5-pad3_ /clk /r01 /r91 /qc ? d_jkff
+* u11 net-_u10-pad3_ net-_u10-pad3_ /clk /r01 /r91 /qd net-_u11-pad7_ d_jkff
+* u3 net-_u11-pad7_ /qa net-_u3-pad3_ d_and
+* u5 /qa /qb net-_u5-pad3_ d_and
+* u7 /qa /qd net-_u10-pad2_ d_and
+* u6 /qa /qb net-_u6-pad3_ d_and
+* u9 net-_u6-pad3_ /qc net-_u10-pad1_ d_and
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ d_or
+a1 /jk /jk /clk /r01 /r91 /qa ? u2
+a2 net-_u3-pad3_ net-_u3-pad3_ /clk /r01 /r91 /qb ? u4
+a3 net-_u5-pad3_ net-_u5-pad3_ /clk /r01 /r91 /qc ? u8
+a4 net-_u10-pad3_ net-_u10-pad3_ /clk /r01 /r91 /qd net-_u11-pad7_ u11
+a5 [net-_u11-pad7_ /qa ] net-_u3-pad3_ u3
+a6 [/qa /qb ] net-_u5-pad3_ u5
+a7 [/qa /qd ] net-_u10-pad2_ u7
+a8 [/qa /qb ] net-_u6-pad3_ u6
+a9 [net-_u6-pad3_ /qc ] net-_u10-pad1_ u9
+a10 [net-_u10-pad1_ net-_u10-pad2_ ] net-_u10-pad3_ u10
+* Schematic Name: d_jkff, NgSpice Name: d_jkff
+.model u2 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_jkff, NgSpice Name: d_jkff
+.model u4 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_jkff, NgSpice Name: d_jkff
+.model u8 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_jkff, NgSpice Name: d_jkff
+.model u11 d_jkff(clk_delay=1.0e-9 set_delay=1.0e-9 reset_delay=1.0 ic=0 jk_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_and, NgSpice Name: d_and
+.model u3 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u5 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u7 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u6 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_and, NgSpice Name: d_and
+.model u9 d_and(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Schematic Name: d_or, NgSpice Name: d_or
+.model u10 d_or(rise_delay=1.0e-9 fall_delay=1.0e-9 input_load=1.0e-12 )
+* Control Statements
+
+.ends 74ls90 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90_Previous_Values.xml
new file mode 100644
index 00000000..05fccb1a
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/74ls90_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_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><u8 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)" /></u8><u11 name="type">d_jkff<field31 name="Enter Clk Delay (default=1.0e-9)" /><field32 name="Enter Set Delay (default=1.0e-9)" /><field33 name="Enter Reset Delay (default=1.0)" /><field34 name="Enter IC (default=0)" /><field35 name="Enter value for JK Load (default=1.0e-12)" /><field36 name="Enter value for Clk Load (default=1.0e-12)" /><field37 name="Enter value for Set Load (default=1.0e-12)" /><field38 name="Enter value for Reset Load (default=1.0e-12)" /><field39 name="Enter Rise Delay (default=1.0e-9)" /><field40 name="Enter Fall Delay (default=1.0e-9)" /></u11><u3 name="type">d_and<field41 name="Enter Rise Delay (default=1.0e-9)" /><field42 name="Enter Fall Delay (default=1.0e-9)" /><field43 name="Enter Input Load (default=1.0e-12)" /></u3><u5 name="type">d_and<field44 name="Enter Rise Delay (default=1.0e-9)" /><field45 name="Enter Fall Delay (default=1.0e-9)" /><field46 name="Enter Input Load (default=1.0e-12)" /></u5><u7 name="type">d_and<field47 name="Enter Rise Delay (default=1.0e-9)" /><field48 name="Enter Fall Delay (default=1.0e-9)" /><field49 name="Enter Input Load (default=1.0e-12)" /></u7><u6 name="type">d_and<field50 name="Enter Rise Delay (default=1.0e-9)" /><field51 name="Enter Fall Delay (default=1.0e-9)" /><field52 name="Enter Input Load (default=1.0e-12)" /></u6><u9 name="type">d_and<field53 name="Enter Rise Delay (default=1.0e-9)" /><field54 name="Enter Fall Delay (default=1.0e-9)" /><field55 name="Enter Input Load (default=1.0e-12)" /></u9><u10 name="type">d_or<field56 name="Enter Rise Delay (default=1.0e-9)" /><field57 name="Enter Fall Delay (default=1.0e-9)" /><field58 name="Enter Input Load (default=1.0e-12)" /></u10></model><devicemodel /><subcircuit /></KicadtoNgspice> \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/analysis b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/analysis
new file mode 100644
index 00000000..af548eb1
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/analysis
@@ -0,0 +1 @@
+.tran 0.1e-06 100e-06 0e-00 \ No newline at end of file
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90-cache.lib b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90-cache.lib
new file mode 100644
index 00000000..6ac291da
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90-cache.lib
@@ -0,0 +1,147 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# 54LS90
+#
+DEF 54LS90 X 0 40 Y Y 1 F N
+F0 "X" -100 -550 60 H V C CNN
+F1 "54LS90" 50 1100 60 H V C CNN
+F2 "" 50 1100 60 H I C CNN
+F3 "" 50 1100 60 H I C CNN
+DRAW
+S 300 1000 -400 -400 0 1 0 N
+X R91 1 -600 100 200 R 50 50 1 1 I
+X CLK 2 -600 300 200 R 50 50 1 1 I
+X R01 3 -600 900 200 R 50 50 1 1 I
+X JK 4 -600 500 200 R 50 50 1 1 I
+X R02 5 -600 700 200 R 50 50 1 1 I
+X R92 6 -600 -100 200 R 50 50 1 1 I
+X VCC 7 -600 -300 200 R 50 50 1 1 I
+X GND 8 500 900 200 L 50 50 1 1 O
+X QA 9 500 700 200 L 50 50 1 1 O
+X QB 10 500 500 200 L 50 50 1 1 O
+X QC 11 500 300 200 L 50 50 1 1 O
+X QD 12 500 100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# DC
+#
+DEF DC v 0 40 Y Y 1 F N
+F0 "v" -200 100 60 H V C CNN
+F1 "DC" -200 -50 60 H V C CNN
+F2 "R1" -300 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+$FPLIST
+ 1_pin
+$ENDFPLIST
+DRAW
+C 0 0 150 0 1 0 N
+X + 1 0 450 300 D 50 50 1 1 w
+X - 2 0 -450 300 U 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
+# GND
+#
+DEF GND #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -250 50 H I C CNN
+F1 "GND" 0 -150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 -50 50 -50 0 -100 -50 -50 0 -50 N
+X GND 1 0 0 0 D 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+# adc_bridge_1
+#
+DEF adc_bridge_1 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "adc_bridge_1" 0 150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -400 200 350 -50 0 1 0 N
+X IN1 1 -600 50 200 R 50 50 1 1 I
+X OUT1 2 550 50 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# dac_bridge_4
+#
+DEF dac_bridge_4 U 0 40 Y Y 1 F N
+F0 "U" 0 0 60 H V C CNN
+F1 "dac_bridge_4" 0 300 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -350 350 350 -200 0 1 0 N
+X IN1 1 -550 200 200 R 50 50 1 1 I
+X IN2 2 -550 100 200 R 50 50 1 1 I
+X IN3 3 -550 0 200 R 50 50 1 1 I
+X IN4 4 -550 -100 200 R 50 50 1 1 I
+X OUT1 5 550 200 200 L 50 50 1 1 O
+X OUT2 6 550 100 200 L 50 50 1 1 O
+X OUT3 7 550 0 200 L 50 50 1 1 O
+X OUT4 8 550 -100 200 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
+# eSim_R
+#
+DEF eSim_R R 0 0 N Y 1 F N
+F0 "R" 50 130 50 H V C CNN
+F1 "eSim_R" 50 -50 50 H V C CNN
+F2 "" 50 -20 30 H V C CNN
+F3 "" 50 50 30 V V C CNN
+ALIAS resistor
+$FPLIST
+ R_*
+ Resistor_*
+$ENDFPLIST
+DRAW
+S 150 10 -50 90 0 1 10 N
+X ~ 1 -100 50 50 R 60 60 1 1 P
+X ~ 2 200 50 50 L 60 60 1 1 P
+ENDDRAW
+ENDDEF
+#
+# plot_v1
+#
+DEF plot_v1 U 0 40 Y Y 1 F N
+F0 "U" 0 500 60 H V C CNN
+F1 "plot_v1" 200 350 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+C 0 500 100 0 1 0 N
+X ~ ~ 0 200 200 U 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# pulse
+#
+DEF pulse v 0 40 Y Y 1 F N
+F0 "v" -200 100 60 H V C CNN
+F1 "pulse" -200 -50 60 H V C CNN
+F2 "R1" -300 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+$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/sn54ls90/sn54ls90.cir b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir
new file mode 100644
index 00000000..1374b669
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir
@@ -0,0 +1,29 @@
+* C:\Users\Shanthipriya\eSim-Workspace\sn74ls90\sn74ls90.cir
+
+* EESchema Netlist Version 1.1 (Spice format) creation date: 05/15/25 17:30:55
+
+* To exclude a component from the Spice Netlist add [Spice_Netlist_Enabled] user FIELD set to: N
+* To reorder the component spice node sequence add [Spice_Node_Sequence] user FIELD and define sequence: 2,1,0
+
+* Sheet Name: /
+X1 Net-_U4-Pad2_ clock Net-_U3-Pad2_ Net-_U1-Pad2_ ? ? ? ? Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ Net-_U10-Pad4_ 54LS90
+v3 Net-_U2-Pad1_ GND pulse
+U2 Net-_U2-Pad1_ clock adc_bridge_1
+U5 clock plot_v1
+v1 Net-_U1-Pad1_ GND DC
+U1 Net-_U1-Pad1_ Net-_U1-Pad2_ adc_bridge_1
+v2 Net-_U3-Pad1_ GND DC
+U3 Net-_U3-Pad1_ Net-_U3-Pad2_ adc_bridge_1
+v4 Net-_U4-Pad1_ GND DC
+U4 Net-_U4-Pad1_ Net-_U4-Pad2_ adc_bridge_1
+U6 QA plot_v1
+U7 QB plot_v1
+U8 QC plot_v1
+U9 QD plot_v1
+R4 QD GND 10K
+R3 QC GND 10K
+R2 QB GND 10K
+R1 QA GND 10K
+U10 Net-_U10-Pad1_ Net-_U10-Pad2_ Net-_U10-Pad3_ Net-_U10-Pad4_ QA QB QC QD dac_bridge_4
+
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir.out b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir.out
new file mode 100644
index 00000000..61732f8b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.cir.out
@@ -0,0 +1,47 @@
+* c:\users\shanthipriya\esim-workspace\sn74ls90\sn74ls90.cir
+
+.include 74ls90.sub
+x1 net-_u4-pad2_ clock net-_u3-pad2_ net-_u1-pad2_ ? ? ? ? net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ net-_u10-pad4_ 74ls90
+v3 net-_u2-pad1_ gnd pulse(0 5 0 1n 1n 5u 10u)
+* u2 net-_u2-pad1_ clock adc_bridge_1
+* u5 clock plot_v1
+v1 net-_u1-pad1_ gnd dc 5
+* u1 net-_u1-pad1_ net-_u1-pad2_ adc_bridge_1
+v2 net-_u3-pad1_ gnd dc 1
+* u3 net-_u3-pad1_ net-_u3-pad2_ adc_bridge_1
+v4 net-_u4-pad1_ gnd dc 1
+* u4 net-_u4-pad1_ net-_u4-pad2_ adc_bridge_1
+* u6 qa plot_v1
+* u7 qb plot_v1
+* u8 qc plot_v1
+* u9 qd plot_v1
+r4 qd gnd 10k
+r3 qc gnd 10k
+r2 qb gnd 10k
+r1 qa gnd 10k
+* u10 net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ net-_u10-pad4_ qa qb qc qd dac_bridge_4
+a1 [net-_u2-pad1_ ] [clock ] u2
+a2 [net-_u1-pad1_ ] [net-_u1-pad2_ ] u1
+a3 [net-_u3-pad1_ ] [net-_u3-pad2_ ] u3
+a4 [net-_u4-pad1_ ] [net-_u4-pad2_ ] u4
+a5 [net-_u10-pad1_ net-_u10-pad2_ net-_u10-pad3_ net-_u10-pad4_ ] [qa qb qc qd ] u10
+* Schematic Name: adc_bridge_1, NgSpice Name: adc_bridge
+.model u2 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: adc_bridge_1, NgSpice Name: adc_bridge
+.model u1 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: adc_bridge_1, NgSpice Name: adc_bridge
+.model u3 adc_bridge(in_low=1.0 in_high=2.0 rise_delay=1.0e-9 fall_delay=1.0e-9 )
+* Schematic Name: adc_bridge_1, 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 )
+* Schematic Name: dac_bridge_4, NgSpice Name: dac_bridge
+.model u10 dac_bridge(out_low=0.0 out_high=5.0 out_undef=0.5 input_load=1.0e-12 t_rise=1.0e-9 t_fall=1.0e-9 )
+.tran 0.1e-06 100e-06 0e-00
+
+* Control Statements
+.control
+run
+print allv > plot_data_v.txt
+print alli > plot_data_i.txt
+plot v(qd)+6 v(qc)+12 v(qb)+18v(qa)+24 v(clock)
+.endc
+.end
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.pro b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.pro
new file mode 100644
index 00000000..e27a398b
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.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/sn54ls90/sn54ls90.proj b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.proj
new file mode 100644
index 00000000..015ebc9c
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.proj
@@ -0,0 +1 @@
+schematicFile sn74ls90.sch
diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.sch b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.sch
new file mode 100644
index 00000000..3cd9bdbf
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90.sch
@@ -0,0 +1,440 @@
+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
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diff --git a/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90_Previous_Values.xml b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90_Previous_Values.xml
new file mode 100644
index 00000000..36b30476
--- /dev/null
+++ b/library/SubcircuitLibrary/esim_ic_files/sn54ls90/sn54ls90_Previous_Values.xml
@@ -0,0 +1 @@
+<KicadtoNgspice><source><v3 name="Source type">pulse<field1 name="Initial Value">0</field1><field2 name="Pulse Value">5</field2><field3 name="Delay Time">0</field3><field4 name="Rise Time">1n</field4><field5 name="Fall Time">1n</field5><field5 name="Pulse width">5u</field5><field5 name="Period">10u</field5></v3><v1 name="Source type">dc<field1 name="Value">5</field1></v1><v2 name="Source type">dc<field1 name="Value">1</field1></v2><v4 name="Source type">dc<field1 name="Value">1</field1></v4></source><model><u2 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)" /></u2><u1 name="type">adc_bridge<field5 name="Enter value for in_low (default=1.0)" /><field6 name="Enter value for in_high (default=2.0)" /><field7 name="Enter Rise Delay (default=1.0e-9)" /><field8 name="Enter Fall Delay (default=1.0e-9)" /></u1><u3 name="type">adc_bridge<field9 name="Enter value for in_low (default=1.0)" /><field10 name="Enter value for in_high (default=2.0)" /><field11 name="Enter Rise Delay (default=1.0e-9)" /><field12 name="Enter Fall Delay (default=1.0e-9)" /></u3><u4 name="type">adc_bridge<field13 name="Enter value for in_low (default=1.0)" /><field14 name="Enter value for in_high (default=2.0)" /><field15 name="Enter Rise Delay (default=1.0e-9)" /><field16 name="Enter Fall Delay (default=1.0e-9)" /></u4><u10 name="type">dac_bridge<field17 name="Enter value for out_low (default=0.0)" /><field18 name="Enter value for out_high (default=5.0)" /><field19 name="Enter value for out_undef (default=0.5)" /><field20 name="Enter value for input load (default=1.0e-12)" /><field21 name="Enter the Rise Time (default=1.0e-9)" /><field22 name="Enter the Fall Time (default=1.0e-9)" /></u10></model><devicemodel /><subcircuit><x1><field>C:\Users\Shanthipriya\Desktop\madeeasy\FOSSEE\eSim\library\SubcircuitLibrary\74ls90</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">0.1</field2><field3 name="Stop Time">100</field3><field4 name="Start Combo">sec</field4><field5 name="Step Combo">us</field5><field6 name="Stop Combo">us</field6></tran></analysis></KicadtoNgspice> \ No newline at end of file