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:serial_d_4-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_dff U3
U 1 1 67E7DBBC
P 2550 1350
F 0 "U3" H 2550 1350 60  0000 C CNN
F 1 "d_dff" H 2550 1500 60  0000 C CNN
F 2 "" H 2550 1350 60  0000 C CNN
F 3 "" H 2550 1350 60  0000 C CNN
	1    2550 1350
	1    0    0    -1  
$EndComp
$Comp
L d_dff U5
U 1 1 67E7DC6C
P 2550 4900
F 0 "U5" H 2550 4900 60  0000 C CNN
F 1 "d_dff" H 2550 5050 60  0000 C CNN
F 2 "" H 2550 4900 60  0000 C CNN
F 3 "" H 2550 4900 60  0000 C CNN
	1    2550 4900
	1    0    0    -1  
$EndComp
$Comp
L d_dff U6
U 1 1 67E7DCDE
P 2550 6700
F 0 "U6" H 2550 6700 60  0000 C CNN
F 1 "d_dff" H 2550 6850 60  0000 C CNN
F 2 "" H 2550 6700 60  0000 C CNN
F 3 "" H 2550 6700 60  0000 C CNN
	1    2550 6700
	1    0    0    -1  
$EndComp
$Comp
L d_dff U7
U 1 1 67E7DDEF
P 4950 1350
F 0 "U7" H 4950 1350 60  0000 C CNN
F 1 "d_dff" H 4950 1500 60  0000 C CNN
F 2 "" H 4950 1350 60  0000 C CNN
F 3 "" H 4950 1350 60  0000 C CNN
	1    4950 1350
	1    0    0    -1  
$EndComp
$Comp
L d_dff U8
U 1 1 67E7DE36
P 4950 3150
F 0 "U8" H 4950 3150 60  0000 C CNN
F 1 "d_dff" H 4950 3300 60  0000 C CNN
F 2 "" H 4950 3150 60  0000 C CNN
F 3 "" H 4950 3150 60  0000 C CNN
	1    4950 3150
	1    0    0    -1  
$EndComp
$Comp
L d_dff U9
U 1 1 67E7DE63
P 4950 4900
F 0 "U9" H 4950 4900 60  0000 C CNN
F 1 "d_dff" H 4950 5050 60  0000 C CNN
F 2 "" H 4950 4900 60  0000 C CNN
F 3 "" H 4950 4900 60  0000 C CNN
	1    4950 4900
	1    0    0    -1  
$EndComp
$Comp
L d_dff U10
U 1 1 67E7DE96
P 4950 6700
F 0 "U10" H 4950 6700 60  0000 C CNN
F 1 "d_dff" H 4950 6850 60  0000 C CNN
F 2 "" H 4950 6700 60  0000 C CNN
F 3 "" H 4950 6700 60  0000 C CNN
	1    4950 6700
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U13
U 1 1 67E7E539
P 6850 1350
F 0 "U13" H 6600 1600 60  0000 C CNN
F 1 "d_tristate" H 6650 1800 60  0000 C CNN
F 2 "" H 6750 1700 60  0000 C CNN
F 3 "" H 6750 1700 60  0000 C CNN
	1    6850 1350
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U14
U 1 1 67E7E5E0
P 6850 3150
F 0 "U14" H 6600 3400 60  0000 C CNN
F 1 "d_tristate" H 6650 3600 60  0000 C CNN
F 2 "" H 6750 3500 60  0000 C CNN
F 3 "" H 6750 3500 60  0000 C CNN
	1    6850 3150
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U11
U 1 1 67E7E617
P 6800 4900
F 0 "U11" H 6550 5150 60  0000 C CNN
F 1 "d_tristate" H 6600 5350 60  0000 C CNN
F 2 "" H 6700 5250 60  0000 C CNN
F 3 "" H 6700 5250 60  0000 C CNN
	1    6800 4900
	1    0    0    -1  
$EndComp
$Comp
L d_tristate U12
U 1 1 67E7E9CB
P 6800 6700
F 0 "U12" H 6550 6950 60  0000 C CNN
F 1 "d_tristate" H 6600 7150 60  0000 C CNN
F 2 "" H 6700 7050 60  0000 C CNN
F 3 "" H 6700 7050 60  0000 C CNN
	1    6800 6700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 1 1 67E7F8D1
P 750 1650
F 0 "U1" H 800 1750 30  0000 C CNN
F 1 "PORT" H 750 1650 30  0000 C CNN
F 2 "" H 750 1650 60  0000 C CNN
F 3 "" H 750 1650 60  0000 C CNN
	1    750  1650
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 9 1 67E80DFA
P 9350 2100
F 0 "U1" H 9400 2200 30  0000 C CNN
F 1 "PORT" H 9350 2100 30  0000 C CNN
F 2 "" H 9350 2100 60  0000 C CNN
F 3 "" H 9350 2100 60  0000 C CNN
	9    9350 2100
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 10 1 67E81E1B
P 10100 1600
F 0 "U1" H 10150 1700 30  0000 C CNN
F 1 "PORT" H 10100 1600 30  0000 C CNN
F 2 "" H 10100 1600 60  0000 C CNN
F 3 "" H 10100 1600 60  0000 C CNN
	10   10100 1600
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 2 1 67E83BEE
P 800 3050
F 0 "U1" H 850 3150 30  0000 C CNN
F 1 "PORT" H 800 3050 30  0000 C CNN
F 2 "" H 800 3050 60  0000 C CNN
F 3 "" H 800 3050 60  0000 C CNN
	2    800  3050
	0    -1   -1   0   
$EndComp
$Comp
L PORT U1
U 3 1 67E83DAD
P 1650 1000
F 0 "U1" H 1700 1100 30  0000 C CNN
F 1 "PORT" H 1650 1000 30  0000 C CNN
F 2 "" H 1650 1000 60  0000 C CNN
F 3 "" H 1650 1000 60  0000 C CNN
	3    1650 1000
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 4 1 67E83EBA
P 3450 6800
F 0 "U1" H 3500 6900 30  0000 C CNN
F 1 "PORT" H 3450 6800 30  0000 C CNN
F 2 "" H 3450 6800 60  0000 C CNN
F 3 "" H 3450 6800 60  0000 C CNN
	4    3450 6800
	0    -1   -1   0   
$EndComp
$Comp
L PORT U1
U 7 1 67E83F95
P 7850 1000
F 0 "U1" H 7900 1100 30  0000 C CNN
F 1 "PORT" H 7850 1000 30  0000 C CNN
F 2 "" H 7850 1000 60  0000 C CNN
F 3 "" H 7850 1000 60  0000 C CNN
	7    7850 1000
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 8 1 67E84036
P 7850 2800
F 0 "U1" H 7900 2900 30  0000 C CNN
F 1 "PORT" H 7850 2800 30  0000 C CNN
F 2 "" H 7850 2800 60  0000 C CNN
F 3 "" H 7850 2800 60  0000 C CNN
	8    7850 2800
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 5 1 67E8413E
P 7800 4550
F 0 "U1" H 7850 4650 30  0000 C CNN
F 1 "PORT" H 7800 4550 30  0000 C CNN
F 2 "" H 7800 4550 60  0000 C CNN
F 3 "" H 7800 4550 60  0000 C CNN
	5    7800 4550
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 6 1 67E841D1
P 7800 6350
F 0 "U1" H 7850 6450 30  0000 C CNN
F 1 "PORT" H 7800 6350 30  0000 C CNN
F 2 "" H 7800 6350 60  0000 C CNN
F 3 "" H 7800 6350 60  0000 C CNN
	6    7800 6350
	-1   0    0    1   
$EndComp
$Comp
L d_inverter U15
U 1 1 67E84422
P 9400 1600
F 0 "U15" H 9400 1500 60  0000 C CNN
F 1 "d_inverter" H 9400 1750 60  0000 C CNN
F 2 "" H 9450 1550 60  0000 C CNN
F 3 "" H 9450 1550 60  0000 C CNN
	1    9400 1600
	-1   0    0    1   
$EndComp
$Comp
L d_inverter U2
U 1 1 67E845AC
P 800 2350
F 0 "U2" H 800 2250 60  0000 C CNN
F 1 "d_inverter" H 800 2500 60  0000 C CNN
F 2 "" H 850 2300 60  0000 C CNN
F 3 "" H 850 2300 60  0000 C CNN
	1    800  2350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3100 1000 4400 1000
Wire Wire Line
	3100 2800 4400 2800
Wire Wire Line
	3100 4550 4400 4550
Wire Wire Line
	3100 6350 4400 6350
Wire Wire Line
	2000 2800 2000 2300
Wire Wire Line
	2000 2300 3650 2300
Wire Wire Line
	3650 2300 3650 1000
Connection ~ 3650 1000
Wire Wire Line
	2000 4550 2000 3950
Wire Wire Line
	2000 3950 3650 3950
Wire Wire Line
	3650 3950 3650 2800
Connection ~ 3650 2800
Wire Wire Line
	2000 6350 2000 5750
Wire Wire Line
	2000 5750 3650 5750
Wire Wire Line
	3650 5750 3650 4550
Connection ~ 3650 4550
Wire Wire Line
	5500 6350 6200 6350
Wire Wire Line
	5500 4550 6200 4550
Wire Wire Line
	5500 1000 6250 1000
Wire Wire Line
	5500 2800 6250 2800
Wire Wire Line
	1000 1650 2000 1650
Connection ~ 1350 1650
Wire Wire Line
	1350 1650 1350 7000
Wire Wire Line
	1350 7000 2000 7000
Wire Wire Line
	2000 3450 1350 3450
Connection ~ 1350 3450
Wire Wire Line
	2000 5200 1350 5200
Connection ~ 1350 5200
Wire Wire Line
	9100 2100 4150 2100
Wire Wire Line
	4150 1650 4150 7000
Wire Wire Line
	4150 1650 4400 1650
Connection ~ 4150 2100
Wire Wire Line
	4150 7000 4400 7000
Wire Wire Line
	4400 3450 4150 3450
Connection ~ 4150 3450
Wire Wire Line
	4400 5200 4150 5200
Connection ~ 4150 5200
Wire Wire Line
	9100 1600 9100 6650
Wire Wire Line
	9100 6650 6750 6650
Wire Wire Line
	6800 1300 6800 1750
Wire Wire Line
	6800 1750 9100 1750
Connection ~ 9100 1750
Wire Wire Line
	6800 3100 9100 3100
Connection ~ 9100 3100
Wire Wire Line
	6750 4850 9100 4850
Connection ~ 9100 4850
Wire Wire Line
	1000 2050 1000 7300
Wire Wire Line
	1000 7300 2550 7300
Wire Wire Line
	2550 5500 1000 5500
Connection ~ 1000 5500
Wire Wire Line
	2550 3750 1000 3750
Connection ~ 1000 3750
Wire Wire Line
	2550 1950 2550 2200
Wire Wire Line
	2550 2200 1000 2200
Connection ~ 1000 2200
Wire Wire Line
	1900 1000 2000 1000
Wire Wire Line
	3450 6350 3450 6550
Connection ~ 3450 6350
Wire Wire Line
	7350 6350 7550 6350
Wire Wire Line
	7350 4550 7550 4550
Wire Wire Line
	7400 2800 7600 2800
Wire Wire Line
	7400 1000 7600 1000
Wire Wire Line
	9700 1600 9850 1600
Wire Wire Line
	800  2050 1000 2050
Wire Wire Line
	800  2650 800  2800
$Comp
L d_dff U4
U 1 1 67E7DC05
P 2550 3150
F 0 "U4" H 2550 3150 60  0000 C CNN
F 1 "d_dff" H 2550 3300 60  0000 C CNN
F 2 "" H 2550 3150 60  0000 C CNN
F 3 "" H 2550 3150 60  0000 C CNN
	1    2550 3150
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 11 1 67E94DA5
P 6050 7550
F 0 "U1" H 6100 7650 30  0000 C CNN
F 1 "PORT" H 6050 7550 30  0000 C CNN
F 2 "" H 6050 7550 60  0000 C CNN
F 3 "" H 6050 7550 60  0000 C CNN
	11   6050 7550
	-1   0    0    1   
$EndComp
Wire Wire Line
	5800 7550 3900 7550
Wire Wire Line
	3900 7550 3900 700 
Wire Wire Line
	2550 700  4950 700 
Connection ~ 3900 700 
Wire Wire Line
	4950 1950 3900 1950
Connection ~ 3900 1950
Wire Wire Line
	2550 2500 4950 2500
Connection ~ 3900 2500
Wire Wire Line
	4950 3750 3900 3750
Connection ~ 3900 3750
Wire Wire Line
	4950 4200 4950 4250
Wire Wire Line
	4950 4200 3900 4200
Connection ~ 3900 4200
Wire Wire Line
	4950 5500 3900 5500
Connection ~ 3900 5500
Wire Wire Line
	2550 6050 4950 6050
Connection ~ 3900 6050
Wire Wire Line
	4950 7300 3900 7300
Connection ~ 3900 7300
Wire Wire Line
	2550 4250 3900 4250
Connection ~ 3900 4250
$EndSCHEMATC