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:SN54F521-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 4_and X2
U 1 1 6814D2A3
P 6700 2500
F 0 "X2" H 6750 2450 60  0000 C CNN
F 1 "4_and" H 6800 2600 60  0000 C CNN
F 2 "" H 6700 2500 60  0000 C CNN
F 3 "" H 6700 2500 60  0000 C CNN
	1    6700 2500
	1    0    0    -1  
$EndComp
$Comp
L 4_and X1
U 1 1 6814D3CB
P 6650 3700
F 0 "X1" H 6700 3650 60  0000 C CNN
F 1 "4_and" H 6750 3800 60  0000 C CNN
F 2 "" H 6650 3700 60  0000 C CNN
F 3 "" H 6650 3700 60  0000 C CNN
	1    6650 3700
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U2
U 1 1 6814D68F
P 3700 1450
F 0 "U2" H 3700 1350 60  0000 C CNN
F 1 "d_inverter" H 3700 1600 60  0000 C CNN
F 2 "" H 3750 1400 60  0000 C CNN
F 3 "" H 3750 1400 60  0000 C CNN
	1    3700 1450
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U3
U 1 1 6814D96D
P 3700 1550
F 0 "U3" H 3700 1450 60  0000 C CNN
F 1 "d_inverter" H 3700 1700 60  0000 C CNN
F 2 "" H 3750 1500 60  0000 C CNN
F 3 "" H 3750 1500 60  0000 C CNN
	1    3700 1550
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U4
U 1 1 6814DB82
P 3750 2200
F 0 "U4" H 3750 2100 60  0000 C CNN
F 1 "d_inverter" H 3750 2350 60  0000 C CNN
F 2 "" H 3800 2150 60  0000 C CNN
F 3 "" H 3800 2150 60  0000 C CNN
	1    3750 2200
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U5
U 1 1 6814DB88
P 3750 2300
F 0 "U5" H 3750 2200 60  0000 C CNN
F 1 "d_inverter" H 3750 2450 60  0000 C CNN
F 2 "" H 3800 2250 60  0000 C CNN
F 3 "" H 3800 2250 60  0000 C CNN
	1    3750 2300
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U6
U 1 1 6814DD94
P 3750 2950
F 0 "U6" H 3750 2850 60  0000 C CNN
F 1 "d_inverter" H 3750 3100 60  0000 C CNN
F 2 "" H 3800 2900 60  0000 C CNN
F 3 "" H 3800 2900 60  0000 C CNN
	1    3750 2950
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U7
U 1 1 6814DD9A
P 3750 3050
F 0 "U7" H 3750 2950 60  0000 C CNN
F 1 "d_inverter" H 3750 3200 60  0000 C CNN
F 2 "" H 3800 3000 60  0000 C CNN
F 3 "" H 3800 3000 60  0000 C CNN
	1    3750 3050
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U10
U 1 1 6814DDA6
P 3800 3700
F 0 "U10" H 3800 3600 60  0000 C CNN
F 1 "d_inverter" H 3800 3850 60  0000 C CNN
F 2 "" H 3850 3650 60  0000 C CNN
F 3 "" H 3850 3650 60  0000 C CNN
	1    3800 3700
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U11
U 1 1 6814DDAC
P 3800 3800
F 0 "U11" H 3800 3700 60  0000 C CNN
F 1 "d_inverter" H 3800 3950 60  0000 C CNN
F 2 "" H 3850 3750 60  0000 C CNN
F 3 "" H 3850 3750 60  0000 C CNN
	1    3800 3800
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U8
U 1 1 6814E270
P 3750 4500
F 0 "U8" H 3750 4400 60  0000 C CNN
F 1 "d_inverter" H 3750 4650 60  0000 C CNN
F 2 "" H 3800 4450 60  0000 C CNN
F 3 "" H 3800 4450 60  0000 C CNN
	1    3750 4500
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U9
U 1 1 6814E276
P 3750 4600
F 0 "U9" H 3750 4500 60  0000 C CNN
F 1 "d_inverter" H 3750 4750 60  0000 C CNN
F 2 "" H 3800 4550 60  0000 C CNN
F 3 "" H 3800 4550 60  0000 C CNN
	1    3750 4600
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U12
U 1 1 6814E282
P 3800 5250
F 0 "U12" H 3800 5150 60  0000 C CNN
F 1 "d_inverter" H 3800 5400 60  0000 C CNN
F 2 "" H 3850 5200 60  0000 C CNN
F 3 "" H 3850 5200 60  0000 C CNN
	1    3800 5250
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U13
U 1 1 6814E288
P 3800 5350
F 0 "U13" H 3800 5250 60  0000 C CNN
F 1 "d_inverter" H 3800 5500 60  0000 C CNN
F 2 "" H 3850 5300 60  0000 C CNN
F 3 "" H 3850 5300 60  0000 C CNN
	1    3800 5350
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U14
U 1 1 6814E294
P 3800 6000
F 0 "U14" H 3800 5900 60  0000 C CNN
F 1 "d_inverter" H 3800 6150 60  0000 C CNN
F 2 "" H 3850 5950 60  0000 C CNN
F 3 "" H 3850 5950 60  0000 C CNN
	1    3800 6000
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U15
U 1 1 6814E29A
P 3800 6100
F 0 "U15" H 3800 6000 60  0000 C CNN
F 1 "d_inverter" H 3800 6250 60  0000 C CNN
F 2 "" H 3850 6050 60  0000 C CNN
F 3 "" H 3850 6050 60  0000 C CNN
	1    3800 6100
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U16
U 1 1 6814E2A6
P 3850 6750
F 0 "U16" H 3850 6650 60  0000 C CNN
F 1 "d_inverter" H 3850 6900 60  0000 C CNN
F 2 "" H 3900 6700 60  0000 C CNN
F 3 "" H 3900 6700 60  0000 C CNN
	1    3850 6750
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U17
U 1 1 6814E2AC
P 3850 6850
F 0 "U17" H 3850 6750 60  0000 C CNN
F 1 "d_inverter" H 3850 7000 60  0000 C CNN
F 2 "" H 3900 6800 60  0000 C CNN
F 3 "" H 3900 6800 60  0000 C CNN
	1    3850 6850
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U18
U 1 1 6814E384
P 3850 7300
F 0 "U18" H 3850 7200 60  0000 C CNN
F 1 "d_inverter" H 3850 7450 60  0000 C CNN
F 2 "" H 3900 7250 60  0000 C CNN
F 3 "" H 3900 7250 60  0000 C CNN
	1    3850 7300
	1    0    0    -1  
$EndComp
$Comp
L d_buffer U27
U 1 1 6814E664
P 4650 7300
F 0 "U27" H 4650 7250 60  0000 C CNN
F 1 "d_buffer" H 4650 7350 60  0000 C CNN
F 2 "" H 4650 7300 60  0000 C CNN
F 3 "" H 4650 7300 60  0000 C CNN
	1    4650 7300
	1    0    0    -1  
$EndComp
$Comp
L d_and U28
U 1 1 6814E9D7
P 8050 3050
F 0 "U28" H 8050 3050 60  0000 C CNN
F 1 "d_and" H 8100 3150 60  0000 C CNN
F 2 "" H 8050 3050 60  0000 C CNN
F 3 "" H 8050 3050 60  0000 C CNN
	1    8050 3050
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U30
U 1 1 6814EA58
P 10150 3050
F 0 "U30" H 10150 2950 60  0000 C CNN
F 1 "d_inverter" H 10150 3200 60  0000 C CNN
F 2 "" H 10200 3000 60  0000 C CNN
F 3 "" H 10200 3000 60  0000 C CNN
	1    10150 3050
	1    0    0    -1  
$EndComp
$Comp
L d_and U29
U 1 1 6814EC25
P 9400 3100
F 0 "U29" H 9400 3100 60  0000 C CNN
F 1 "d_and" H 9450 3200 60  0000 C CNN
F 2 "" H 9400 3100 60  0000 C CNN
F 3 "" H 9400 3100 60  0000 C CNN
	1    9400 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 2500 7200 2950
Wire Wire Line
	7200 2950 7600 2950
Wire Wire Line
	7150 3700 7150 3050
Wire Wire Line
	7150 3050 7600 3050
Wire Wire Line
	8500 3000 8950 3000
Wire Wire Line
	5300 7300 6000 7300
Wire Wire Line
	6000 7300 6000 4600
Wire Wire Line
	6000 4600 8850 4600
Wire Wire Line
	8850 4600 8850 3100
Wire Wire Line
	8850 3100 8950 3100
Wire Wire Line
	5050 6800 5400 6800
Wire Wire Line
	5400 6800 5400 3850
Wire Wire Line
	5400 3850 6250 3850
Wire Wire Line
	5000 6050 5200 6050
Wire Wire Line
	5200 6050 5200 3750
Wire Wire Line
	5200 3750 6250 3750
Wire Wire Line
	5000 5300 5100 5300
Wire Wire Line
	5100 5300 5100 3650
Wire Wire Line
	5100 3650 6250 3650
Wire Wire Line
	4950 4550 4950 3550
Wire Wire Line
	4950 3550 6250 3550
Wire Wire Line
	5000 3750 5000 2650
Wire Wire Line
	5000 2650 6300 2650
Wire Wire Line
	4950 3000 4950 2550
Wire Wire Line
	4950 2550 6300 2550
Wire Wire Line
	4950 2250 6200 2250
Wire Wire Line
	6200 2250 6200 2450
Wire Wire Line
	6200 2450 6300 2450
Wire Wire Line
	4900 1500 6300 1500
Wire Wire Line
	6300 1500 6300 2350
$Comp
L PORT U1
U 4 1 681D28CC
P 3250 6000
F 0 "U1" H 3300 6100 30  0000 C CNN
F 1 "PORT" H 3250 6000 30  0000 C CNN
F 2 "" H 3250 6000 60  0000 C CNN
F 3 "" H 3250 6000 60  0000 C CNN
	4    3250 6000
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 2 1 681D2D2D
P 3300 6750
F 0 "U1" H 3350 6850 30  0000 C CNN
F 1 "PORT" H 3300 6750 30  0000 C CNN
F 2 "" H 3300 6750 60  0000 C CNN
F 3 "" H 3300 6750 60  0000 C CNN
	2    3300 6750
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 3 1 681D2DB5
P 3300 6850
F 0 "U1" H 3350 6950 30  0000 C CNN
F 1 "PORT" H 3300 6850 30  0000 C CNN
F 2 "" H 3300 6850 60  0000 C CNN
F 3 "" H 3300 6850 60  0000 C CNN
	3    3300 6850
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 19 1 681D2E22
P 10450 3300
F 0 "U1" H 10500 3400 30  0000 C CNN
F 1 "PORT" H 10450 3300 30  0000 C CNN
F 2 "" H 10450 3300 60  0000 C CNN
F 3 "" H 10450 3300 60  0000 C CNN
	19   10450 3300
	0    -1   -1   0   
$EndComp
$Comp
L PORT U1
U 20 1 681D2E89
P 1650 5000
F 0 "U1" H 1700 5100 30  0000 C CNN
F 1 "PORT" H 1650 5000 30  0000 C CNN
F 2 "" H 1650 5000 60  0000 C CNN
F 3 "" H 1650 5000 60  0000 C CNN
	20   1650 5000
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 17 1 681D2F36
P 3150 1450
F 0 "U1" H 3200 1550 30  0000 C CNN
F 1 "PORT" H 3150 1450 30  0000 C CNN
F 2 "" H 3150 1450 60  0000 C CNN
F 3 "" H 3150 1450 60  0000 C CNN
	17   3150 1450
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 18 1 681D2F9B
P 3150 1550
F 0 "U1" H 3200 1650 30  0000 C CNN
F 1 "PORT" H 3150 1550 30  0000 C CNN
F 2 "" H 3150 1550 60  0000 C CNN
F 3 "" H 3150 1550 60  0000 C CNN
	18   3150 1550
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 13 1 681D3004
P 3200 2950
F 0 "U1" H 3250 3050 30  0000 C CNN
F 1 "PORT" H 3200 2950 30  0000 C CNN
F 2 "" H 3200 2950 60  0000 C CNN
F 3 "" H 3200 2950 60  0000 C CNN
	13   3200 2950
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 14 1 681D3071
P 3200 3050
F 0 "U1" H 3250 3150 30  0000 C CNN
F 1 "PORT" H 3200 3050 30  0000 C CNN
F 2 "" H 3200 3050 60  0000 C CNN
F 3 "" H 3200 3050 60  0000 C CNN
	14   3200 3050
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 681D30EC
P 3300 7300
F 0 "U1" H 3350 7400 30  0000 C CNN
F 1 "PORT" H 3300 7300 30  0000 C CNN
F 2 "" H 3300 7300 60  0000 C CNN
F 3 "" H 3300 7300 60  0000 C CNN
	1    3300 7300
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 15 1 681D3167
P 3200 2200
F 0 "U1" H 3250 2300 30  0000 C CNN
F 1 "PORT" H 3200 2200 30  0000 C CNN
F 2 "" H 3200 2200 60  0000 C CNN
F 3 "" H 3200 2200 60  0000 C CNN
	15   3200 2200
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 16 1 681D3254
P 3200 2300
F 0 "U1" H 3250 2400 30  0000 C CNN
F 1 "PORT" H 3200 2300 30  0000 C CNN
F 2 "" H 3200 2300 60  0000 C CNN
F 3 "" H 3200 2300 60  0000 C CNN
	16   3200 2300
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 11 1 681D36BF
P 3250 3700
F 0 "U1" H 3300 3800 30  0000 C CNN
F 1 "PORT" H 3250 3700 30  0000 C CNN
F 2 "" H 3250 3700 60  0000 C CNN
F 3 "" H 3250 3700 60  0000 C CNN
	11   3250 3700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 12 1 681D37BC
P 3250 3800
F 0 "U1" H 3300 3900 30  0000 C CNN
F 1 "PORT" H 3250 3800 30  0000 C CNN
F 2 "" H 3250 3800 60  0000 C CNN
F 3 "" H 3250 3800 60  0000 C CNN
	12   3250 3800
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 9 1 681D3835
P 3200 4600
F 0 "U1" H 3250 4700 30  0000 C CNN
F 1 "PORT" H 3200 4600 30  0000 C CNN
F 2 "" H 3200 4600 60  0000 C CNN
F 3 "" H 3200 4600 60  0000 C CNN
	9    3200 4600
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 10 1 681D38BA
P 1600 4650
F 0 "U1" H 1650 4750 30  0000 C CNN
F 1 "PORT" H 1600 4650 30  0000 C CNN
F 2 "" H 1600 4650 60  0000 C CNN
F 3 "" H 1600 4650 60  0000 C CNN
	10   1600 4650
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 7 1 681D393B
P 3250 5350
F 0 "U1" H 3300 5450 30  0000 C CNN
F 1 "PORT" H 3250 5350 30  0000 C CNN
F 2 "" H 3250 5350 60  0000 C CNN
F 3 "" H 3250 5350 60  0000 C CNN
	7    3250 5350
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 8 1 681D39C0
P 3200 4500
F 0 "U1" H 3250 4600 30  0000 C CNN
F 1 "PORT" H 3200 4500 30  0000 C CNN
F 2 "" H 3200 4500 60  0000 C CNN
F 3 "" H 3200 4500 60  0000 C CNN
	8    3200 4500
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 6 1 681D3C91
P 3250 5250
F 0 "U1" H 3300 5350 30  0000 C CNN
F 1 "PORT" H 3250 5250 30  0000 C CNN
F 2 "" H 3250 5250 60  0000 C CNN
F 3 "" H 3250 5250 60  0000 C CNN
	6    3250 5250
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 5 1 681D3D12
P 3250 6100
F 0 "U1" H 3300 6200 30  0000 C CNN
F 1 "PORT" H 3250 6100 30  0000 C CNN
F 2 "" H 3250 6100 60  0000 C CNN
F 3 "" H 3250 6100 60  0000 C CNN
	5    3250 6100
	1    0    0    -1  
$EndComp
NoConn ~ 2350 4650
NoConn ~ 2350 5000
Wire Wire Line
	1900 5000 2350 5000
Wire Wire Line
	1850 4650 2350 4650
$Comp
L d_xnor U19
U 1 1 681E9288
P 4450 1550
F 0 "U19" H 4450 1550 60  0000 C CNN
F 1 "d_xnor" H 4500 1650 47  0000 C CNN
F 2 "" H 4450 1550 60  0000 C CNN
F 3 "" H 4450 1550 60  0000 C CNN
	1    4450 1550
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U20
U 1 1 681E9755
P 4500 2300
F 0 "U20" H 4500 2300 60  0000 C CNN
F 1 "d_xnor" H 4550 2400 47  0000 C CNN
F 2 "" H 4500 2300 60  0000 C CNN
F 3 "" H 4500 2300 60  0000 C CNN
	1    4500 2300
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U21
U 1 1 681E988C
P 4500 3050
F 0 "U21" H 4500 3050 60  0000 C CNN
F 1 "d_xnor" H 4550 3150 47  0000 C CNN
F 2 "" H 4500 3050 60  0000 C CNN
F 3 "" H 4500 3050 60  0000 C CNN
	1    4500 3050
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U23
U 1 1 681E9EAB
P 4550 3800
F 0 "U23" H 4550 3800 60  0000 C CNN
F 1 "d_xnor" H 4600 3900 47  0000 C CNN
F 2 "" H 4550 3800 60  0000 C CNN
F 3 "" H 4550 3800 60  0000 C CNN
	1    4550 3800
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U22
U 1 1 681EA044
P 4500 4600
F 0 "U22" H 4500 4600 60  0000 C CNN
F 1 "d_xnor" H 4550 4700 47  0000 C CNN
F 2 "" H 4500 4600 60  0000 C CNN
F 3 "" H 4500 4600 60  0000 C CNN
	1    4500 4600
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U24
U 1 1 681EA0C9
P 4550 5350
F 0 "U24" H 4550 5350 60  0000 C CNN
F 1 "d_xnor" H 4600 5450 47  0000 C CNN
F 2 "" H 4550 5350 60  0000 C CNN
F 3 "" H 4550 5350 60  0000 C CNN
	1    4550 5350
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U25
U 1 1 681EA1D9
P 4550 6100
F 0 "U25" H 4550 6100 60  0000 C CNN
F 1 "d_xnor" H 4600 6200 47  0000 C CNN
F 2 "" H 4550 6100 60  0000 C CNN
F 3 "" H 4550 6100 60  0000 C CNN
	1    4550 6100
	1    0    0    -1  
$EndComp
$Comp
L d_xnor U26
U 1 1 681EA450
P 4600 6850
F 0 "U26" H 4600 6850 60  0000 C CNN
F 1 "d_xnor" H 4650 6950 47  0000 C CNN
F 2 "" H 4600 6850 60  0000 C CNN
F 3 "" H 4600 6850 60  0000 C CNN
	1    4600 6850
	1    0    0    -1  
$EndComp
$EndSCHEMATC