1 files changed, 512 insertions, 0 deletions

diff --git a/library/SubcircuitLibrary/SN54LVC157A/SN54LVC157A.sch b/library/SubcircuitLibrary/SN54LVC157A/SN54LVC157A.sch
new file mode 100644
index 00000000..717125ed
--- /dev/null
+++ b/library/SubcircuitLibrary/SN54LVC157A/SN54LVC157A.sch
@@ -0,0 +1,512 @@
+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
+$Comp
+L d_and U9
+U 1 1 68591A7D
+P 6000 2050
+F 0 "U9" H 6000 2050 60  0000 C CNN
+F 1 "d_and" H 6050 2150 60  0000 C CNN
+F 2 "" H 6000 2050 60  0000 C CNN
+F 3 "" H 6000 2050 60  0000 C CNN
+	1    6000 2050
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U10
+U 1 1 68591AE6
+P 6000 2800
+F 0 "U10" H 6000 2800 60  0000 C CNN
+F 1 "d_and" H 6050 2900 60  0000 C CNN
+F 2 "" H 6000 2800 60  0000 C CNN
+F 3 "" H 6000 2800 60  0000 C CNN
+	1    6000 2800
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_or U16
+U 1 1 68591B18
+P 7850 2350
+F 0 "U16" H 7850 2350 60  0000 C CNN
+F 1 "d_or" H 7850 2450 60  0000 C CNN
+F 2 "" H 7850 2350 60  0000 C CNN
+F 3 "" H 7850 2350 60  0000 C CNN
+	1    7850 2350
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U11
+U 1 1 68591C0A
+P 6100 3400
+F 0 "U11" H 6100 3400 60  0000 C CNN
+F 1 "d_and" H 6150 3500 60  0000 C CNN
+F 2 "" H 6100 3400 60  0000 C CNN
+F 3 "" H 6100 3400 60  0000 C CNN
+	1    6100 3400
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U12
+U 1 1 68591C10
+P 6100 4150
+F 0 "U12" H 6100 4150 60  0000 C CNN
+F 1 "d_and" H 6150 4250 60  0000 C CNN
+F 2 "" H 6100 4150 60  0000 C CNN
+F 3 "" H 6100 4150 60  0000 C CNN
+	1    6100 4150
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_or U17
+U 1 1 68591C16
+P 7950 3700
+F 0 "U17" H 7950 3700 60  0000 C CNN
+F 1 "d_or" H 7950 3800 60  0000 C CNN
+F 2 "" H 7950 3700 60  0000 C CNN
+F 3 "" H 7950 3700 60  0000 C CNN
+	1    7950 3700
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U13
+U 1 1 68591D55
+P 6200 4550
+F 0 "U13" H 6200 4550 60  0000 C CNN
+F 1 "d_and" H 6250 4650 60  0000 C CNN
+F 2 "" H 6200 4550 60  0000 C CNN
+F 3 "" H 6200 4550 60  0000 C CNN
+	1    6200 4550
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U14
+U 1 1 68591D5B
+P 6200 5300
+F 0 "U14" H 6200 5300 60  0000 C CNN
+F 1 "d_and" H 6250 5400 60  0000 C CNN
+F 2 "" H 6200 5300 60  0000 C CNN
+F 3 "" H 6200 5300 60  0000 C CNN
+	1    6200 5300
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_or U18
+U 1 1 68591D61
+P 8050 4850
+F 0 "U18" H 8050 4850 60  0000 C CNN
+F 1 "d_or" H 8050 4950 60  0000 C CNN
+F 2 "" H 8050 4850 60  0000 C CNN
+F 3 "" H 8050 4850 60  0000 C CNN
+	1    8050 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U7
+U 1 1 68591E52
+P 6000 1000
+F 0 "U7" H 6000 1000 60  0000 C CNN
+F 1 "d_and" H 6050 1100 60  0000 C CNN
+F 2 "" H 6000 1000 60  0000 C CNN
+F 3 "" H 6000 1000 60  0000 C CNN
+	1    6000 1000
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U8
+U 1 1 68591E58
+P 6000 1750
+F 0 "U8" H 6000 1750 60  0000 C CNN
+F 1 "d_and" H 6050 1850 60  0000 C CNN
+F 2 "" H 6000 1750 60  0000 C CNN
+F 3 "" H 6000 1750 60  0000 C CNN
+	1    6000 1750
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_or U15
+U 1 1 68591E5E
+P 7850 1300
+F 0 "U15" H 7850 1300 60  0000 C CNN
+F 1 "d_or" H 7850 1400 60  0000 C CNN
+F 2 "" H 7850 1300 60  0000 C CNN
+F 3 "" H 7850 1300 60  0000 C CNN
+	1    7850 1300
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U5
+U 1 1 68591F04
+P 3600 6150
+F 0 "U5" H 3600 6150 60  0000 C CNN
+F 1 "d_and" H 3650 6250 60  0000 C CNN
+F 2 "" H 3600 6150 60  0000 C CNN
+F 3 "" H 3600 6150 60  0000 C CNN
+	1    3600 6150
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_and U6
+U 1 1 68591FE5
+P 3600 6700
+F 0 "U6" H 3600 6700 60  0000 C CNN
+F 1 "d_and" H 3650 6800 60  0000 C CNN
+F 2 "" H 3600 6700 60  0000 C CNN
+F 3 "" H 3600 6700 60  0000 C CNN
+	1    3600 6700
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_inverter U2
+U 1 1 68592095
+P 2400 6050
+F 0 "U2" H 2400 5950 60  0000 C CNN
+F 1 "d_inverter" H 2400 6200 60  0000 C CNN
+F 2 "" H 2450 6000 60  0000 C CNN
+F 3 "" H 2450 6000 60  0000 C CNN
+	1    2400 6050
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_inverter U3
+U 1 1 68592131
+P 2400 6300
+F 0 "U3" H 2400 6200 60  0000 C CNN
+F 1 "d_inverter" H 2400 6450 60  0000 C CNN
+F 2 "" H 2450 6250 60  0000 C CNN
+F 3 "" H 2450 6250 60  0000 C CNN
+	1    2400 6300
+	1    0    0    -1  
+$EndComp
+$Comp
+L d_inverter U4
+U 1 1 68592177
+P 2450 6600
+F 0 "U4" H 2450 6500 60  0000 C CNN
+F 1 "d_inverter" H 2450 6750 60  0000 C CNN
+F 2 "" H 2500 6550 60  0000 C CNN
+F 3 "" H 2500 6550 60  0000 C CNN
+	1    2450 6600
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 7 1 685927F2
+P 3400 3200
+F 0 "U1" H 3450 3300 30  0000 C CNN
+F 1 "PORT" H 3400 3200 30  0000 C CNN
+F 2 "" H 3400 3200 60  0000 C CNN
+F 3 "" H 3400 3200 60  0000 C CNN
+	7    3400 3200
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 8 1 68592D2B
+P 3500 4050
+F 0 "U1" H 3550 4150 30  0000 C CNN
+F 1 "PORT" H 3500 4050 30  0000 C CNN
+F 2 "" H 3500 4050 60  0000 C CNN
+F 3 "" H 3500 4050 60  0000 C CNN
+	8    3500 4050
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 9 1 68592E33
+P 9100 3600
+F 0 "U1" H 9150 3700 30  0000 C CNN
+F 1 "PORT" H 9100 3600 30  0000 C CNN
+F 2 "" H 9100 3600 60  0000 C CNN
+F 3 "" H 9100 3600 60  0000 C CNN
+	9    9100 3600
+	-1   0    0    1   
+$EndComp
+$Comp
+L PORT U1
+U 4 1 68592E7A
+P 3100 1950
+F 0 "U1" H 3150 2050 30  0000 C CNN
+F 1 "PORT" H 3100 1950 30  0000 C CNN
+F 2 "" H 3100 1950 60  0000 C CNN
+F 3 "" H 3100 1950 60  0000 C CNN
+	4    3100 1950
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 5 1 68592ECF
+P 3250 2700
+F 0 "U1" H 3300 2800 30  0000 C CNN
+F 1 "PORT" H 3250 2700 30  0000 C CNN
+F 2 "" H 3250 2700 60  0000 C CNN
+F 3 "" H 3250 2700 60  0000 C CNN
+	5    3250 2700
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 6 1 685930D2
+P 9150 2300
+F 0 "U1" H 9200 2400 30  0000 C CNN
+F 1 "PORT" H 9150 2300 30  0000 C CNN
+F 2 "" H 9150 2300 60  0000 C CNN
+F 3 "" H 9150 2300 60  0000 C CNN
+	6    9150 2300
+	-1   0    0    1   
+$EndComp
+$Comp
+L PORT U1
+U 3 1 6859315B
+P 9300 1250
+F 0 "U1" H 9350 1350 30  0000 C CNN
+F 1 "PORT" H 9300 1250 30  0000 C CNN
+F 2 "" H 9300 1250 60  0000 C CNN
+F 3 "" H 9300 1250 60  0000 C CNN
+	3    9300 1250
+	-1   0    0    1   
+$EndComp
+$Comp
+L PORT U1
+U 10 1 68593284
+P 3650 4450
+F 0 "U1" H 3700 4550 30  0000 C CNN
+F 1 "PORT" H 3650 4450 30  0000 C CNN
+F 2 "" H 3650 4450 60  0000 C CNN
+F 3 "" H 3650 4450 60  0000 C CNN
+	10   3650 4450
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 1 1 68593403
+P 3200 900
+F 0 "U1" H 3250 1000 30  0000 C CNN
+F 1 "PORT" H 3200 900 30  0000 C CNN
+F 2 "" H 3200 900 60  0000 C CNN
+F 3 "" H 3200 900 60  0000 C CNN
+	1    3200 900 
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 2 1 68593484
+P 3150 1600
+F 0 "U1" H 3200 1700 30  0000 C CNN
+F 1 "PORT" H 3150 1600 30  0000 C CNN
+F 2 "" H 3150 1600 60  0000 C CNN
+F 3 "" H 3150 1600 60  0000 C CNN
+	2    3150 1600
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 12 1 6859378C
+P 9200 4800
+F 0 "U1" H 9250 4900 30  0000 C CNN
+F 1 "PORT" H 9200 4800 30  0000 C CNN
+F 2 "" H 9200 4800 60  0000 C CNN
+F 3 "" H 9200 4800 60  0000 C CNN
+	12   9200 4800
+	-1   0    0    1   
+$EndComp
+$Comp
+L PORT U1
+U 11 1 685939AD
+P 3750 5200
+F 0 "U1" H 3800 5300 30  0000 C CNN
+F 1 "PORT" H 3750 5200 30  0000 C CNN
+F 2 "" H 3750 5200 60  0000 C CNN
+F 3 "" H 3750 5200 60  0000 C CNN
+	11   3750 5200
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 13 1 68593B88
+P 1000 6050
+F 0 "U1" H 1050 6150 30  0000 C CNN
+F 1 "PORT" H 1000 6050 30  0000 C CNN
+F 2 "" H 1000 6050 60  0000 C CNN
+F 3 "" H 1000 6050 60  0000 C CNN
+	13   1000 6050
+	1    0    0    -1  
+$EndComp
+$Comp
+L PORT U1
+U 14 1 68593C95
+P 1000 6300
+F 0 "U1" H 1050 6400 30  0000 C CNN
+F 1 "PORT" H 1000 6300 30  0000 C CNN
+F 2 "" H 1000 6300 60  0000 C CNN
+F 3 "" H 1000 6300 60  0000 C CNN
+	14   1000 6300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6450 2000 6450 2250
+Wire Wire Line
+	6450 2250 7400 2250
+Wire Wire Line
+	6450 2750 6450 2350
+Wire Wire Line
+	6450 2350 7400 2350
+Wire Wire Line
+	6550 3350 6550 3600
+Wire Wire Line
+	6550 3600 7500 3600
+Wire Wire Line
+	6550 4100 6550 3700
+Wire Wire Line
+	6550 3700 7500 3700
+Wire Wire Line
+	6650 4500 6650 4750
+Wire Wire Line
+	6650 4750 7600 4750
+Wire Wire Line
+	6650 5250 6650 4850
+Wire Wire Line
+	6650 4850 7600 4850
+Wire Wire Line
+	6450 950  6450 1200
+Wire Wire Line
+	6450 1200 7400 1200
+Wire Wire Line
+	6450 1700 6450 1300
+Wire Wire Line
+	6450 1300 7400 1300
+Wire Wire Line
+	2750 6600 3150 6600
+Wire Wire Line
+	2700 6300 2700 6150
+Wire Wire Line
+	2700 6150 3150 6150
+Wire Wire Line
+	2700 6050 3150 6050
+Wire Wire Line
+	3450 900  5550 900 
+Wire Wire Line
+	5550 1650 3400 1650
+Wire Wire Line
+	3400 1650 3400 1600
+Wire Wire Line
+	5550 1950 3350 1950
+Wire Wire Line
+	5550 2700 3500 2700
+Wire Wire Line
+	3650 3200 5650 3200
+Wire Wire Line
+	5650 3200 5650 3300
+Wire Wire Line
+	5650 4050 3750 4050
+Wire Wire Line
+	5750 4450 3900 4450
+Wire Wire Line
+	5750 5200 4000 5200
+Wire Wire Line
+	1250 6050 2100 6050
+Wire Wire Line
+	2100 6300 1250 6300
+Wire Wire Line
+	1900 6050 1900 6600
+Wire Wire Line
+	1900 6600 2150 6600
+Connection ~ 1900 6050
+Wire Wire Line
+	1500 6700 3150 6700
+Wire Wire Line
+	1500 6700 1500 6300
+Connection ~ 1500 6300
+Wire Wire Line
+	5650 6650 4050 6650
+Wire Wire Line
+	5650 4150 5650 6650
+Wire Wire Line
+	5650 5300 5750 5300
+Connection ~ 5650 5300
+Wire Wire Line
+	5250 4150 5650 4150
+Wire Wire Line
+	5250 1750 5250 4150
+Wire Wire Line
+	5250 2800 5550 2800
+Wire Wire Line
+	5250 1750 5550 1750
+Connection ~ 5250 2800
+Wire Wire Line
+	5200 6100 4050 6100
+Wire Wire Line
+	5200 1000 5200 6100
+Wire Wire Line
+	5200 4550 5750 4550
+Wire Wire Line
+	5200 3400 5650 3400
+Connection ~ 5200 4550
+Wire Wire Line
+	5200 2050 5550 2050
+Connection ~ 5200 3400
+Wire Wire Line
+	5200 1000 5550 1000
+Connection ~ 5200 2050
+Wire Wire Line
+	8300 1250 9050 1250
+Wire Wire Line
+	8300 2300 8900 2300
+Wire Wire Line
+	8400 3650 8850 3650
+Wire Wire Line
+	8850 3650 8850 3600
+Wire Wire Line
+	8500 4800 8950 4800
+$EndSCHEMATC