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_dff U2
U 1 1 682EB53F
P 1950 1350
F 0 "U2" H 1950 1350 60  0000 C CNN
F 1 "d_dff" H 1950 1500 60  0000 C CNN
F 2 "" H 1950 1350 60  0000 C CNN
F 3 "" H 1950 1350 60  0000 C CNN
	1    1950 1350
	1    0    0    -1  
$EndComp
$Comp
L d_dff U3
U 1 1 682EB66B
P 1950 3000
F 0 "U3" H 1950 3000 60  0000 C CNN
F 1 "d_dff" H 1950 3150 60  0000 C CNN
F 2 "" H 1950 3000 60  0000 C CNN
F 3 "" H 1950 3000 60  0000 C CNN
	1    1950 3000
	1    0    0    -1  
$EndComp
$Comp
L d_dff U16
U 1 1 682EB6C3
P 6050 1200
F 0 "U16" H 6050 1200 60  0000 C CNN
F 1 "d_dff" H 6050 1350 60  0000 C CNN
F 2 "" H 6050 1200 60  0000 C CNN
F 3 "" H 6050 1200 60  0000 C CNN
	1    6050 1200
	1    0    0    -1  
$EndComp
$Comp
L d_dff U17
U 1 1 682EB6C9
P 6050 3000
F 0 "U17" H 6050 3000 60  0000 C CNN
F 1 "d_dff" H 6050 3150 60  0000 C CNN
F 2 "" H 6050 3000 60  0000 C CNN
F 3 "" H 6050 3000 60  0000 C CNN
	1    6050 3000
	1    0    0    -1  
$EndComp
$Comp
L d_dff U4
U 1 1 682EB7E3
P 1950 4600
F 0 "U4" H 1950 4600 60  0000 C CNN
F 1 "d_dff" H 1950 4750 60  0000 C CNN
F 2 "" H 1950 4600 60  0000 C CNN
F 3 "" H 1950 4600 60  0000 C CNN
	1    1950 4600
	1    0    0    -1  
$EndComp
$Comp
L d_dff U5
U 1 1 682EB7E9
P 1950 6250
F 0 "U5" H 1950 6250 60  0000 C CNN
F 1 "d_dff" H 1950 6400 60  0000 C CNN
F 2 "" H 1950 6250 60  0000 C CNN
F 3 "" H 1950 6250 60  0000 C CNN
	1    1950 6250
	1    0    0    -1  
$EndComp
$Comp
L d_dff U18
U 1 1 682EB7EF
P 6050 4750
F 0 "U18" H 6050 4750 60  0000 C CNN
F 1 "d_dff" H 6050 4900 60  0000 C CNN
F 2 "" H 6050 4750 60  0000 C CNN
F 3 "" H 6050 4750 60  0000 C CNN
	1    6050 4750
	1    0    0    -1  
$EndComp
$Comp
L d_dff U15
U 1 1 682EB7F5
P 6000 6550
F 0 "U15" H 6000 6550 60  0000 C CNN
F 1 "d_dff" H 6000 6700 60  0000 C CNN
F 2 "" H 6000 6550 60  0000 C CNN
F 3 "" H 6000 6550 60  0000 C CNN
	1    6000 6550
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U6
U 1 1 682EC7C0
P 3150 1650
F 0 "U6" H 3150 1550 60  0000 C CNN
F 1 "d_inverter" H 3150 1800 60  0000 C CNN
F 2 "" H 3200 1600 60  0000 C CNN
F 3 "" H 3200 1600 60  0000 C CNN
	1    3150 1650
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U10
U 1 1 682EC879
P 4050 2000
F 0 "U10" H 3800 2250 60  0000 C CNN
F 1 "d_tristate" H 3850 2450 60  0000 C CNN
F 2 "" H 3950 2350 60  0000 C CNN
F 3 "" H 3950 2350 60  0000 C CNN
	1    4050 2000
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U7
U 1 1 682ED017
P 3150 3300
F 0 "U7" H 3150 3200 60  0000 C CNN
F 1 "d_inverter" H 3150 3450 60  0000 C CNN
F 2 "" H 3200 3250 60  0000 C CNN
F 3 "" H 3200 3250 60  0000 C CNN
	1    3150 3300
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U11
U 1 1 682ED01D
P 4050 3650
F 0 "U11" H 3800 3900 60  0000 C CNN
F 1 "d_tristate" H 3850 4100 60  0000 C CNN
F 2 "" H 3950 4000 60  0000 C CNN
F 3 "" H 3950 4000 60  0000 C CNN
	1    4050 3650
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U8
U 1 1 682ED16B
P 3250 4900
F 0 "U8" H 3250 4800 60  0000 C CNN
F 1 "d_inverter" H 3250 5050 60  0000 C CNN
F 2 "" H 3300 4850 60  0000 C CNN
F 3 "" H 3300 4850 60  0000 C CNN
	1    3250 4900
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U12
U 1 1 682ED171
P 4150 5250
F 0 "U12" H 3900 5500 60  0000 C CNN
F 1 "d_tristate" H 3950 5700 60  0000 C CNN
F 2 "" H 4050 5600 60  0000 C CNN
F 3 "" H 4050 5600 60  0000 C CNN
	1    4150 5250
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U9
U 1 1 682ED177
P 3250 6550
F 0 "U9" H 3250 6450 60  0000 C CNN
F 1 "d_inverter" H 3250 6700 60  0000 C CNN
F 2 "" H 3300 6500 60  0000 C CNN
F 3 "" H 3300 6500 60  0000 C CNN
	1    3250 6550
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U13
U 1 1 682ED17D
P 4150 6900
F 0 "U13" H 3900 7150 60  0000 C CNN
F 1 "d_tristate" H 3950 7350 60  0000 C CNN
F 2 "" H 4050 7250 60  0000 C CNN
F 3 "" H 4050 7250 60  0000 C CNN
	1    4150 6900
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U19
U 1 1 682ED401
P 7200 1200
F 0 "U19" H 7200 1100 60  0000 C CNN
F 1 "d_inverter" H 7200 1350 60  0000 C CNN
F 2 "" H 7250 1150 60  0000 C CNN
F 3 "" H 7250 1150 60  0000 C CNN
	1    7200 1200
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U23
U 1 1 682ED407
P 8100 1550
F 0 "U23" H 7850 1800 60  0000 C CNN
F 1 "d_tristate" H 7900 2000 60  0000 C CNN
F 2 "" H 8000 1900 60  0000 C CNN
F 3 "" H 8000 1900 60  0000 C CNN
	1    8100 1550
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U20
U 1 1 682ED40D
P 7200 2850
F 0 "U20" H 7200 2750 60  0000 C CNN
F 1 "d_inverter" H 7200 3000 60  0000 C CNN
F 2 "" H 7250 2800 60  0000 C CNN
F 3 "" H 7250 2800 60  0000 C CNN
	1    7200 2850
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U24
U 1 1 682ED413
P 8100 3200
F 0 "U24" H 7850 3450 60  0000 C CNN
F 1 "d_tristate" H 7900 3650 60  0000 C CNN
F 2 "" H 8000 3550 60  0000 C CNN
F 3 "" H 8000 3550 60  0000 C CNN
	1    8100 3200
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U21
U 1 1 682ED419
P 7300 4450
F 0 "U21" H 7300 4350 60  0000 C CNN
F 1 "d_inverter" H 7300 4600 60  0000 C CNN
F 2 "" H 7350 4400 60  0000 C CNN
F 3 "" H 7350 4400 60  0000 C CNN
	1    7300 4450
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U25
U 1 1 682ED41F
P 8200 4800
F 0 "U25" H 7950 5050 60  0000 C CNN
F 1 "d_tristate" H 8000 5250 60  0000 C CNN
F 2 "" H 8100 5150 60  0000 C CNN
F 3 "" H 8100 5150 60  0000 C CNN
	1    8200 4800
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U22
U 1 1 682ED425
P 7300 6100
F 0 "U22" H 7300 6000 60  0000 C CNN
F 1 "d_inverter" H 7300 6250 60  0000 C CNN
F 2 "" H 7350 6050 60  0000 C CNN
F 3 "" H 7350 6050 60  0000 C CNN
	1    7300 6100
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U26
U 1 1 682ED42B
P 8200 6450
F 0 "U26" H 7950 6700 60  0000 C CNN
F 1 "d_tristate" H 8000 6900 60  0000 C CNN
F 2 "" H 8100 6800 60  0000 C CNN
F 3 "" H 8100 6800 60  0000 C CNN
	1    8200 6450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 1650 1200 1650
Wire Wire Line
	1200 1650 1200 7600
Wire Wire Line
	2500 1650 2850 1650
Wire Wire Line
	2500 4900 2950 4900
Wire Wire Line
	2500 6550 2950 6550
Wire Wire Line
	2500 3300 2850 3300
Wire Wire Line
	1200 7300 5200 7300
Wire Wire Line
	1400 3300 1200 3300
Connection ~ 1200 3300
Wire Wire Line
	1400 6550 1200 6550
Connection ~ 1200 6550
Wire Wire Line
	1400 4900 1200 4900
Connection ~ 1200 4900
Wire Wire Line
	5200 7300 5200 1500
Wire Wire Line
	5200 1500 5500 1500
Wire Wire Line
	5500 3300 5200 3300
Connection ~ 5200 3300
Wire Wire Line
	5500 5050 5200 5050
Connection ~ 5200 5050
Wire Wire Line
	5450 6850 5200 6850
Connection ~ 5200 6850
Wire Wire Line
	4000 1950 5000 1950
Wire Wire Line
	5000 1950 5000 7550
Wire Wire Line
	4750 7550 6700 7550
Wire Wire Line
	8050 1500 9050 1500
Wire Wire Line
	9050 1500 9050 6450
Wire Wire Line
	9050 6450 6700 6450
Wire Wire Line
	6700 6450 6700 7550
Wire Wire Line
	8150 6400 8150 6450
Connection ~ 8150 6450
Wire Wire Line
	8150 4750 9050 4750
Connection ~ 9050 4750
Wire Wire Line
	8050 3150 9050 3150
Connection ~ 9050 3150
Wire Wire Line
	6600 1500 6900 1500
Wire Wire Line
	6900 1500 6900 1200
Wire Wire Line
	6600 3300 6900 3300
Wire Wire Line
	6900 3300 6900 2850
Wire Wire Line
	6600 5050 7000 5050
Wire Wire Line
	7000 5050 7000 4450
Wire Wire Line
	6550 6850 6550 6400
Wire Wire Line
	6550 6400 7000 6400
Wire Wire Line
	7000 6400 7000 6100
$Comp
L PORT U1
U 5 1 682F0A10
P 1750 7600
F 0 "U1" H 1800 7700 30  0000 C CNN
F 1 "PORT" H 1750 7600 30  0000 C CNN
F 2 "" H 1750 7600 60  0000 C CNN
F 3 "" H 1750 7600 60  0000 C CNN
	5    1750 7600
	-1   0    0    1   
$EndComp
Wire Wire Line
	1200 7600 1500 7600
Text Label 1350 7600 0    60   ~ 0
STB
$Comp
L d_inverter U14
U 1 1 682F0F8C
P 4450 7550
F 0 "U14" H 4450 7450 60  0000 C CNN
F 1 "d_inverter" H 4450 7700 60  0000 C CNN
F 2 "" H 4500 7500 60  0000 C CNN
F 3 "" H 4500 7500 60  0000 C CNN
	1    4450 7550
	1    0    0    -1  
$EndComp
Connection ~ 5000 7550
$Comp
L PORT U1
U 6 1 682F10A3
P 3600 7550
F 0 "U1" H 3650 7650 30  0000 C CNN
F 1 "PORT" H 3600 7550 30  0000 C CNN
F 2 "" H 3600 7550 60  0000 C CNN
F 3 "" H 3600 7550 60  0000 C CNN
	6    3600 7550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 7550 4150 7550
Text Label 3900 7550 0    60   ~ 0
OE_BAR
Wire Wire Line
	4000 3600 5000 3600
Connection ~ 5000 3600
Wire Wire Line
	4100 6850 5000 6850
Connection ~ 5000 6850
Wire Wire Line
	4100 5200 5000 5200
Connection ~ 5000 5200
$Comp
L PORT U1
U 2 1 682F1931
P 700 1000
F 0 "U1" H 750 1100 30  0000 C CNN
F 1 "PORT" H 700 1000 30  0000 C CNN
F 2 "" H 700 1000 60  0000 C CNN
F 3 "" H 700 1000 60  0000 C CNN
	2    700  1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  1000 1400 1000
$Comp
L PORT U1
U 3 1 682F1B5B
P 700 2650
F 0 "U1" H 750 2750 30  0000 C CNN
F 1 "PORT" H 700 2650 30  0000 C CNN
F 2 "" H 700 2650 60  0000 C CNN
F 3 "" H 700 2650 60  0000 C CNN
	3    700  2650
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 4 1 682F1E4B
P 700 4250
F 0 "U1" H 750 4350 30  0000 C CNN
F 1 "PORT" H 700 4250 30  0000 C CNN
F 2 "" H 700 4250 60  0000 C CNN
F 3 "" H 700 4250 60  0000 C CNN
	4    700  4250
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 682F210C
P 650 5900
F 0 "U1" H 700 6000 30  0000 C CNN
F 1 "PORT" H 650 5900 30  0000 C CNN
F 2 "" H 650 5900 60  0000 C CNN
F 3 "" H 650 5900 60  0000 C CNN
	1    650  5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 2650 950  2650
Wire Wire Line
	1400 4250 950  4250
Wire Wire Line
	1400 5900 900  5900
$Comp
L PORT U1
U 11 1 682F2986
P 5100 850
F 0 "U1" H 5150 950 30  0000 C CNN
F 1 "PORT" H 5100 850 30  0000 C CNN
F 2 "" H 5100 850 60  0000 C CNN
F 3 "" H 5100 850 60  0000 C CNN
	11   5100 850 
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 12 1 682F2FE5
P 5350 2300
F 0 "U1" H 5400 2400 30  0000 C CNN
F 1 "PORT" H 5350 2300 30  0000 C CNN
F 2 "" H 5350 2300 60  0000 C CNN
F 3 "" H 5350 2300 60  0000 C CNN
	12   5350 2300
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 13 1 682F305A
P 5350 4000
F 0 "U1" H 5400 4100 30  0000 C CNN
F 1 "PORT" H 5350 4000 30  0000 C CNN
F 2 "" H 5350 4000 60  0000 C CNN
F 3 "" H 5350 4000 60  0000 C CNN
	13   5350 4000
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 14 1 682F3277
P 5350 5800
F 0 "U1" H 5400 5900 30  0000 C CNN
F 1 "PORT" H 5350 5800 30  0000 C CNN
F 2 "" H 5350 5800 60  0000 C CNN
F 3 "" H 5350 5800 60  0000 C CNN
	14   5350 5800
	0    1    1    0   
$EndComp
Wire Wire Line
	5350 6050 5350 6200
Wire Wire Line
	5350 6200 5450 6200
Wire Wire Line
	5350 4250 5350 4400
Wire Wire Line
	5350 4400 5500 4400
Wire Wire Line
	5350 2550 5350 2650
Wire Wire Line
	5350 2650 5500 2650
Wire Wire Line
	5350 850  5500 850 
Text Label 1050 1000 0    60   ~ 0
A0
Text Label 1050 2650 0    60   ~ 0
A1
Text Label 1000 4250 0    60   ~ 0
A2
Text Label 1000 5900 0    60   ~ 0
A3
Text Label 5400 850  0    60   ~ 0
A4
Text Label 5400 2650 0    60   ~ 0
A5
Text Label 5400 4400 0    60   ~ 0
A6
Text Label 5400 6200 0    60   ~ 0
A7
$Comp
L PORT U1
U 7 1 682F4E1B
P 4600 1050
F 0 "U1" H 4650 1150 30  0000 C CNN
F 1 "PORT" H 4600 1050 30  0000 C CNN
F 2 "" H 4600 1050 60  0000 C CNN
F 3 "" H 4600 1050 60  0000 C CNN
	7    4600 1050
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 1300 4600 1650
$Comp
L PORT U1
U 8 1 682F544D
P 4600 2650
F 0 "U1" H 4650 2750 30  0000 C CNN
F 1 "PORT" H 4600 2650 30  0000 C CNN
F 2 "" H 4600 2650 60  0000 C CNN
F 3 "" H 4600 2650 60  0000 C CNN
	8    4600 2650
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 9 1 682F56ED
P 4700 4150
F 0 "U1" H 4750 4250 30  0000 C CNN
F 1 "PORT" H 4700 4150 30  0000 C CNN
F 2 "" H 4700 4150 60  0000 C CNN
F 3 "" H 4700 4150 60  0000 C CNN
	9    4700 4150
	0    1    1    0   
$EndComp
$Comp
L PORT U1
U 10 1 682F5A50
P 4700 5900
F 0 "U1" H 4750 6000 30  0000 C CNN
F 1 "PORT" H 4700 5900 30  0000 C CNN
F 2 "" H 4700 5900 60  0000 C CNN
F 3 "" H 4700 5900 60  0000 C CNN
	10   4700 5900
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 2900 4600 3300
Wire Wire Line
	4700 4400 4700 4900
Wire Wire Line
	4700 6150 4700 6550
$Comp
L PORT U1
U 15 1 682F630E
P 9700 1200
F 0 "U1" H 9750 1300 30  0000 C CNN
F 1 "PORT" H 9700 1200 30  0000 C CNN
F 2 "" H 9700 1200 60  0000 C CNN
F 3 "" H 9700 1200 60  0000 C CNN
	15   9700 1200
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 16 1 682F6527
P 9700 2850
F 0 "U1" H 9750 2950 30  0000 C CNN
F 1 "PORT" H 9700 2850 30  0000 C CNN
F 2 "" H 9700 2850 60  0000 C CNN
F 3 "" H 9700 2850 60  0000 C CNN
	16   9700 2850
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 17 1 682F6BDA
P 9700 4450
F 0 "U1" H 9750 4550 30  0000 C CNN
F 1 "PORT" H 9700 4450 30  0000 C CNN
F 2 "" H 9700 4450 60  0000 C CNN
F 3 "" H 9700 4450 60  0000 C CNN
	17   9700 4450
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 18 1 682F6DA3
P 9750 6100
F 0 "U1" H 9800 6200 30  0000 C CNN
F 1 "PORT" H 9750 6100 30  0000 C CNN
F 2 "" H 9750 6100 60  0000 C CNN
F 3 "" H 9750 6100 60  0000 C CNN
	18   9750 6100
	-1   0    0    1   
$EndComp
Wire Wire Line
	8650 1200 9450 1200
Wire Wire Line
	8650 2850 9450 2850
Wire Wire Line
	8750 4450 9450 4450
Wire Wire Line
	8750 6100 9500 6100
Text Label 4600 1450 0    60   ~ 0
B0
Text Label 4600 3150 0    60   ~ 0
B1
Text Label 4700 4650 0    60   ~ 0
B2
Text Label 4700 6400 0    60   ~ 0
B3
Text Label 9000 1200 0    60   ~ 0
B4
Text Label 9200 2850 0    60   ~ 0
B5
Text Label 9200 4450 0    60   ~ 0
B6
Text Label 9250 6100 0    60   ~ 0
B7
NoConn ~ 1950 700 
NoConn ~ 2500 1000
NoConn ~ 1950 1950
NoConn ~ 1950 2350
NoConn ~ 2500 2650
NoConn ~ 1950 3600
NoConn ~ 1950 3950
NoConn ~ 2500 4250
NoConn ~ 1950 5200
NoConn ~ 1950 5600
NoConn ~ 2500 5900
NoConn ~ 1950 6850
NoConn ~ 6050 550 
NoConn ~ 6600 850 
NoConn ~ 6050 1800
NoConn ~ 6050 2350
NoConn ~ 6600 2650
NoConn ~ 6050 3600
NoConn ~ 6050 4100
NoConn ~ 6600 4400
NoConn ~ 6050 5350
NoConn ~ 6000 5900
NoConn ~ 6550 6200
NoConn ~ 6000 7150
Connection ~ 1200 7300
$Comp
L PORT U1
U 19 1 682FC089
P 10050 4850
F 0 "U1" H 10100 4950 30  0000 C CNN
F 1 "PORT" H 10050 4850 30  0000 C CNN
F 2 "" H 10050 4850 60  0000 C CNN
F 3 "" H 10050 4850 60  0000 C CNN
	19   10050 4850
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 20 1 682FC13C
P 10050 5400
F 0 "U1" H 10100 5500 30  0000 C CNN
F 1 "PORT" H 10050 5400 30  0000 C CNN
F 2 "" H 10050 5400 60  0000 C CNN
F 3 "" H 10050 5400 60  0000 C CNN
	20   10050 5400
	1    0    0    -1  
$EndComp
NoConn ~ 10300 4850
NoConn ~ 10300 5400
$EndSCHEMATC