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:SN74ALS280-cache
EELAYER 25 0
EELAYER END
$Descr A2 23386 16535
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L d_and U13
U 1 1 666D7FE8
P 10650 4450
F 0 "U13" H 10650 4450 60  0000 C CNN
F 1 "d_and" H 10700 4550 60  0000 C CNN
F 2 "" H 10650 4450 60  0000 C CNN
F 3 "" H 10650 4450 60  0000 C CNN
	1    10650 4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9350 4100 11400 4100
$Comp
L d_and U14
U 1 1 666D80A2
P 10650 5150
F 0 "U14" H 10650 5150 60  0000 C CNN
F 1 "d_and" H 10700 5250 60  0000 C CNN
F 2 "" H 10650 5150 60  0000 C CNN
F 3 "" H 10650 5150 60  0000 C CNN
	1    10650 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	9350 4800 11400 4800
$Comp
L d_and U15
U 1 1 666D81A8
P 10700 5900
F 0 "U15" H 10700 5900 60  0000 C CNN
F 1 "d_and" H 10750 6000 60  0000 C CNN
F 2 "" H 10700 5900 60  0000 C CNN
F 3 "" H 10700 5900 60  0000 C CNN
	1    10700 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	9350 5550 11450 5550
Wire Wire Line
	10200 4350 10050 4350
Wire Wire Line
	10050 4350 10050 5550
Wire Wire Line
	10050 5050 10200 5050
Connection ~ 10050 5550
Connection ~ 10050 5050
Wire Wire Line
	10250 5900 9750 5900
Wire Wire Line
	9750 5900 9750 4800
Connection ~ 9750 4800
Wire Wire Line
	9950 4800 9950 4450
Wire Wire Line
	9950 4450 10200 4450
Connection ~ 9950 4800
Wire Wire Line
	10200 5800 10250 5800
Wire Wire Line
	10200 4100 10200 5800
Connection ~ 10200 4100
Connection ~ 10200 5150
$Comp
L 3_and X19
U 1 1 666D82BA
P 12650 3450
F 0 "X19" H 12750 3400 60  0000 C CNN
F 1 "3_and" H 12800 3600 60  0000 C CNN
F 2 "" H 12650 3450 60  0000 C CNN
F 3 "" H 12650 3450 60  0000 C CNN
	1    12650 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	12300 3500 8450 3500
Wire Wire Line
	8450 3500 8450 4100
Wire Wire Line
	6400 4800 8750 4800
Wire Wire Line
	8300 4800 8300 3400
Wire Wire Line
	8300 3400 12300 3400
Wire Wire Line
	12300 3300 8150 3300
Wire Wire Line
	8150 3300 8150 5550
Wire Wire Line
	7500 5550 8750 5550
Connection ~ 8300 4800
Connection ~ 8150 5550
$Comp
L d_nand U22
U 1 1 666D83D2
P 12700 4200
F 0 "U22" H 12700 4200 60  0000 C CNN
F 1 "d_nand" H 12750 4300 60  0000 C CNN
F 2 "" H 12700 4200 60  0000 C CNN
F 3 "" H 12700 4200 60  0000 C CNN
	1    12700 4200
	1    0    0    -1  
$EndComp
$Comp
L d_nand U23
U 1 1 666D8416
P 12700 4900
F 0 "U23" H 12700 4900 60  0000 C CNN
F 1 "d_nand" H 12750 5000 60  0000 C CNN
F 2 "" H 12700 4900 60  0000 C CNN
F 3 "" H 12700 4900 60  0000 C CNN
	1    12700 4900
	1    0    0    -1  
$EndComp
$Comp
L d_nand U24
U 1 1 666D8468
P 12750 5650
F 0 "U24" H 12750 5650 60  0000 C CNN
F 1 "d_nand" H 12800 5750 60  0000 C CNN
F 2 "" H 12750 5650 60  0000 C CNN
F 3 "" H 12750 5650 60  0000 C CNN
	1    12750 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	12300 5650 12300 5850
Wire Wire Line
	12300 5850 11150 5850
Wire Wire Line
	11100 5100 12250 5100
Wire Wire Line
	12250 5100 12250 4900
Wire Wire Line
	11100 4400 12250 4400
Wire Wire Line
	12250 4400 12250 4200
$Comp
L 4_and X22
U 1 1 666D8599
P 14100 4650
F 0 "X22" H 14150 4600 60  0000 C CNN
F 1 "4_and" H 14200 4750 60  0000 C CNN
F 2 "" H 14100 4650 60  0000 C CNN
F 3 "" H 14100 4650 60  0000 C CNN
	1    14100 4650
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U31
U 1 1 666D85D2
P 13500 3750
F 0 "U31" H 13500 3650 60  0000 C CNN
F 1 "d_inverter" H 13500 3900 60  0000 C CNN
F 2 "" H 13550 3700 60  0000 C CNN
F 3 "" H 13550 3700 60  0000 C CNN
	1    13500 3750
	0    1    1    0   
$EndComp
Wire Wire Line
	13500 3450 13500 3400
Wire Wire Line
	13500 3400 13150 3400
Wire Wire Line
	13500 4050 13500 4500
Wire Wire Line
	13500 4500 13700 4500
Wire Wire Line
	13700 4600 13450 4600
Wire Wire Line
	13450 4600 13450 4150
Wire Wire Line
	13450 4150 13150 4150
Wire Wire Line
	13200 5600 13500 5600
Wire Wire Line
	13500 5600 13500 4800
Wire Wire Line
	13500 4800 13700 4800
Wire Wire Line
	13700 4700 13450 4700
Wire Wire Line
	13450 4700 13450 4850
Wire Wire Line
	13450 4850 13150 4850
$Comp
L d_inverter U34
U 1 1 666D876F
P 14900 4650
F 0 "U34" H 14900 4550 60  0000 C CNN
F 1 "d_inverter" H 14900 4800 60  0000 C CNN
F 2 "" H 14950 4600 60  0000 C CNN
F 3 "" H 14950 4600 60  0000 C CNN
	1    14900 4650
	1    0    0    1   
$EndComp
$Comp
L d_inverter U35
U 1 1 666D9CCF
P 15000 8150
F 0 "U35" H 15000 8050 60  0000 C CNN
F 1 "d_inverter" H 15000 8300 60  0000 C CNN
F 2 "" H 15050 8100 60  0000 C CNN
F 3 "" H 15050 8100 60  0000 C CNN
	1    15000 8150
	1    0    0    1   
$EndComp
$Comp
L d_inverter U36
U 1 1 666DA3CF
P 15050 11650
F 0 "U36" H 15050 11550 60  0000 C CNN
F 1 "d_inverter" H 15050 11800 60  0000 C CNN
F 2 "" H 15100 11600 60  0000 C CNN
F 3 "" H 15100 11600 60  0000 C CNN
	1    15050 11650
	1    0    0    1   
$EndComp
$Comp
L 3_and X29
U 1 1 666DA527
P 18200 5400
F 0 "X29" H 18300 5350 60  0000 C CNN
F 1 "3_and" H 18350 5550 60  0000 C CNN
F 2 "" H 18200 5400 60  0000 C CNN
F 3 "" H 18200 5400 60  0000 C CNN
	1    18200 5400
	1    0    0    -1  
$EndComp
$Comp
L 3_and X30
U 1 1 666DA6F4
P 18200 5900
F 0 "X30" H 18300 5850 60  0000 C CNN
F 1 "3_and" H 18350 6050 60  0000 C CNN
F 2 "" H 18200 5900 60  0000 C CNN
F 3 "" H 18200 5900 60  0000 C CNN
	1    18200 5900
	1    0    0    -1  
$EndComp
$Comp
L 3_and X31
U 1 1 666DA7AA
P 18200 6400
F 0 "X31" H 18300 6350 60  0000 C CNN
F 1 "3_and" H 18350 6550 60  0000 C CNN
F 2 "" H 18200 6400 60  0000 C CNN
F 3 "" H 18200 6400 60  0000 C CNN
	1    18200 6400
	1    0    0    -1  
$EndComp
$Comp
L 3_and X32
U 1 1 666DA867
P 18200 6900
F 0 "X32" H 18300 6850 60  0000 C CNN
F 1 "3_and" H 18350 7050 60  0000 C CNN
F 2 "" H 18200 6900 60  0000 C CNN
F 3 "" H 18200 6900 60  0000 C CNN
	1    18200 6900
	1    0    0    -1  
$EndComp
$Comp
L 4_OR X34
U 1 1 666DA8F1
P 19350 6100
F 0 "X34" H 19500 6000 60  0000 C CNN
F 1 "4_OR" H 19500 6200 60  0000 C CNN
F 2 "" H 19350 6100 60  0000 C CNN
F 3 "" H 19350 6100 60  0000 C CNN
	1    19350 6100
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U38
U 1 1 666DA984
P 20200 6100
F 0 "U38" H 20200 6000 60  0000 C CNN
F 1 "d_inverter" H 20200 6250 60  0000 C CNN
F 2 "" H 20250 6050 60  0000 C CNN
F 3 "" H 20250 6050 60  0000 C CNN
	1    20200 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	19000 5950 19000 5350
Wire Wire Line
	19000 5350 18700 5350
Wire Wire Line
	18700 5850 18900 5850
Wire Wire Line
	18900 5850 18900 6050
Wire Wire Line
	18900 6050 19000 6050
Wire Wire Line
	19000 6150 18900 6150
Wire Wire Line
	18900 6150 18900 6350
Wire Wire Line
	18900 6350 18700 6350
Wire Wire Line
	18700 6850 19000 6850
Wire Wire Line
	19000 6850 19000 6250
$Comp
L 3_and X25
U 1 1 666DB38E
P 18150 9050
F 0 "X25" H 18250 9000 60  0000 C CNN
F 1 "3_and" H 18300 9200 60  0000 C CNN
F 2 "" H 18150 9050 60  0000 C CNN
F 3 "" H 18150 9050 60  0000 C CNN
	1    18150 9050
	1    0    0    -1  
$EndComp
$Comp
L 3_and X26
U 1 1 666DB394
P 18150 9550
F 0 "X26" H 18250 9500 60  0000 C CNN
F 1 "3_and" H 18300 9700 60  0000 C CNN
F 2 "" H 18150 9550 60  0000 C CNN
F 3 "" H 18150 9550 60  0000 C CNN
	1    18150 9550
	1    0    0    -1  
$EndComp
$Comp
L 3_and X27
U 1 1 666DB39A
P 18150 10050
F 0 "X27" H 18250 10000 60  0000 C CNN
F 1 "3_and" H 18300 10200 60  0000 C CNN
F 2 "" H 18150 10050 60  0000 C CNN
F 3 "" H 18150 10050 60  0000 C CNN
	1    18150 10050
	1    0    0    -1  
$EndComp
$Comp
L 3_and X28
U 1 1 666DB3A0
P 18150 10550
F 0 "X28" H 18250 10500 60  0000 C CNN
F 1 "3_and" H 18300 10700 60  0000 C CNN
F 2 "" H 18150 10550 60  0000 C CNN
F 3 "" H 18150 10550 60  0000 C CNN
	1    18150 10550
	1    0    0    -1  
$EndComp
$Comp
L 4_OR X33
U 1 1 666DB3A6
P 19300 9750
F 0 "X33" H 19450 9650 60  0000 C CNN
F 1 "4_OR" H 19450 9850 60  0000 C CNN
F 2 "" H 19300 9750 60  0000 C CNN
F 3 "" H 19300 9750 60  0000 C CNN
	1    19300 9750
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U37
U 1 1 666DB3AC
P 20150 9750
F 0 "U37" H 20150 9650 60  0000 C CNN
F 1 "d_inverter" H 20150 9900 60  0000 C CNN
F 2 "" H 20200 9700 60  0000 C CNN
F 3 "" H 20200 9700 60  0000 C CNN
	1    20150 9750
	1    0    0    -1  
$EndComp
Wire Wire Line
	18950 9600 18950 9000
Wire Wire Line
	18950 9000 18650 9000
Wire Wire Line
	18650 9500 18850 9500
Wire Wire Line
	18850 9500 18850 9700
Wire Wire Line
	18850 9700 18950 9700
Wire Wire Line
	18950 9800 18850 9800
Wire Wire Line
	18850 9800 18850 10000
Wire Wire Line
	18850 10000 18650 10000
Wire Wire Line
	18650 10500 18950 10500
Wire Wire Line
	18950 10500 18950 9900
Wire Wire Line
	15950 10600 17800 10600
Wire Wire Line
	15950 5450 15950 12050
Wire Wire Line
	15950 12050 14750 12050
Wire Wire Line
	14750 12050 14750 11650
Wire Wire Line
	15950 10100 17800 10100
Connection ~ 15950 10600
Wire Wire Line
	15950 5950 17850 5950
Connection ~ 15950 10100
Wire Wire Line
	15950 5450 17850 5450
Connection ~ 15950 5950
Wire Wire Line
	15200 4650 17200 4650
Wire Wire Line
	17200 4650 17200 9900
Wire Wire Line
	17200 5250 17850 5250
Wire Wire Line
	14600 4650 14600 5150
Wire Wire Line
	14600 5150 16800 5150
Wire Wire Line
	16800 5150 16800 10400
Wire Wire Line
	16800 5750 17850 5750
Wire Wire Line
	17200 6750 17850 6750
Connection ~ 17200 5250
Wire Wire Line
	16800 6250 17850 6250
Connection ~ 16800 5750
Wire Wire Line
	17850 5350 17000 5350
Wire Wire Line
	17000 5350 17000 10500
Wire Wire Line
	17000 6450 17850 6450
Wire Wire Line
	17850 5850 17400 5850
Wire Wire Line
	17400 5850 17400 10000
Wire Wire Line
	17400 6950 17850 6950
Wire Wire Line
	17550 6350 17850 6350
Wire Wire Line
	17550 6350 17550 11650
Wire Wire Line
	17550 6850 17850 6850
Wire Wire Line
	17400 8150 15300 8150
Connection ~ 17400 6950
Wire Wire Line
	17000 8700 14700 8700
Wire Wire Line
	14700 8700 14700 8150
Connection ~ 17000 6450
Wire Wire Line
	17000 10500 17800 10500
Connection ~ 17000 8700
Wire Wire Line
	17800 9600 17000 9600
Connection ~ 17000 9600
Wire Wire Line
	17550 9000 17800 9000
Connection ~ 17550 6850
Wire Wire Line
	17550 9500 17800 9500
Connection ~ 17550 9000
Wire Wire Line
	17200 9400 17800 9400
Wire Wire Line
	17400 10000 17800 10000
Connection ~ 17200 6750
Connection ~ 17200 9400
Connection ~ 16800 6250
Connection ~ 16800 8900
Wire Wire Line
	16800 8900 17800 8900
Wire Wire Line
	16800 10400 17800 10400
Wire Wire Line
	17200 9900 17800 9900
Connection ~ 17400 8150
Connection ~ 17400 9100
Wire Wire Line
	17800 9100 17400 9100
Wire Wire Line
	17550 11650 15350 11650
Connection ~ 17550 9500
Wire Wire Line
	20450 9750 20450 8050
Wire Wire Line
	20450 8050 20700 8050
Wire Wire Line
	20700 7950 20450 7950
Wire Wire Line
	20450 7950 20450 6200
Wire Wire Line
	20450 6200 20500 6200
Wire Wire Line
	20500 6200 20500 6100
Wire Wire Line
	6400 4900 7500 4900
Wire Wire Line
	7500 4900 7500 5550
Wire Wire Line
	7500 4100 8750 4100
Wire Wire Line
	7500 4100 7500 4700
Wire Wire Line
	7500 4700 6400 4700
$Comp
L d_inverter U17
U 1 1 666ECAE4
P 9050 4800
F 0 "U17" H 9050 4700 60  0000 C CNN
F 1 "d_inverter" H 9050 4950 60  0000 C CNN
F 2 "" H 9100 4750 60  0000 C CNN
F 3 "" H 9100 4750 60  0000 C CNN
	1    9050 4800
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U43
U 1 1 666ED171
P 11700 4100
F 0 "U43" H 11700 4000 60  0000 C CNN
F 1 "d_inverter" H 11700 4250 60  0000 C CNN
F 2 "" H 11750 4050 60  0000 C CNN
F 3 "" H 11750 4050 60  0000 C CNN
	1    11700 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	12000 4100 12250 4100
$Comp
L d_inverter U16
U 1 1 666ED179
P 9050 4100
F 0 "U16" H 9050 4000 60  0000 C CNN
F 1 "d_inverter" H 9050 4250 60  0000 C CNN
F 2 "" H 9100 4050 60  0000 C CNN
F 3 "" H 9100 4050 60  0000 C CNN
	1    9050 4100
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U44
U 1 1 666ED8A2
P 11700 4800
F 0 "U44" H 11700 4700 60  0000 C CNN
F 1 "d_inverter" H 11700 4950 60  0000 C CNN
F 2 "" H 11750 4750 60  0000 C CNN
F 3 "" H 11750 4750 60  0000 C CNN
	1    11700 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	12000 4800 12250 4800
$Comp
L d_inverter U18
U 1 1 666EDB41
P 9050 5550
F 0 "U18" H 9050 5450 60  0000 C CNN
F 1 "d_inverter" H 9050 5700 60  0000 C CNN
F 2 "" H 9100 5500 60  0000 C CNN
F 3 "" H 9100 5500 60  0000 C CNN
	1    9050 5550
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U45
U 1 1 666EDC64
P 11750 5550
F 0 "U45" H 11750 5450 60  0000 C CNN
F 1 "d_inverter" H 11750 5700 60  0000 C CNN
F 2 "" H 11800 5500 60  0000 C CNN
F 3 "" H 11800 5500 60  0000 C CNN
	1    11750 5550
	1    0    0    -1  
$EndComp
Wire Wire Line
	12050 5550 12300 5550
$Comp
L d_and U28
U 1 1 666EEBD7
P 10700 7950
F 0 "U28" H 10700 7950 60  0000 C CNN
F 1 "d_and" H 10750 8050 60  0000 C CNN
F 2 "" H 10700 7950 60  0000 C CNN
F 3 "" H 10700 7950 60  0000 C CNN
	1    10700 7950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9400 7600 11450 7600
$Comp
L d_and U29
U 1 1 666EEBDE
P 10700 8650
F 0 "U29" H 10700 8650 60  0000 C CNN
F 1 "d_and" H 10750 8750 60  0000 C CNN
F 2 "" H 10700 8650 60  0000 C CNN
F 3 "" H 10700 8650 60  0000 C CNN
	1    10700 8650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9400 8300 11450 8300
$Comp
L d_and U30
U 1 1 666EEBE5
P 10750 9400
F 0 "U30" H 10750 9400 60  0000 C CNN
F 1 "d_and" H 10800 9500 60  0000 C CNN
F 2 "" H 10750 9400 60  0000 C CNN
F 3 "" H 10750 9400 60  0000 C CNN
	1    10750 9400
	1    0    0    -1  
$EndComp
Wire Wire Line
	9400 9050 11500 9050
Wire Wire Line
	10250 7850 10100 7850
Wire Wire Line
	10100 7850 10100 9050
Wire Wire Line
	10100 8550 10250 8550
Connection ~ 10100 9050
Connection ~ 10100 8550
Wire Wire Line
	10300 9400 9800 9400
Wire Wire Line
	9800 9400 9800 8300
Connection ~ 9800 8300
Wire Wire Line
	10000 8300 10000 7950
Wire Wire Line
	10000 7950 10250 7950
Connection ~ 10000 8300
Wire Wire Line
	10250 9300 10300 9300
Wire Wire Line
	10250 7600 10250 9300
Connection ~ 10250 7600
Connection ~ 10250 8650
$Comp
L 3_and X1
U 1 1 666EEBFB
P 12700 6950
F 0 "X1" H 12800 6900 60  0000 C CNN
F 1 "3_and" H 12850 7100 60  0000 C CNN
F 2 "" H 12700 6950 60  0000 C CNN
F 3 "" H 12700 6950 60  0000 C CNN
	1    12700 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	12350 7000 8500 7000
Wire Wire Line
	8500 7000 8500 7600
Wire Wire Line
	6450 8300 8800 8300
Wire Wire Line
	8350 8300 8350 6900
Wire Wire Line
	8350 6900 12350 6900
Wire Wire Line
	12350 6800 8200 6800
Wire Wire Line
	8200 6800 8200 9050
Wire Wire Line
	7550 9050 8800 9050
Connection ~ 8350 8300
Connection ~ 8200 9050
$Comp
L d_nand U52
U 1 1 666EEC0B
P 12750 7700
F 0 "U52" H 12750 7700 60  0000 C CNN
F 1 "d_nand" H 12800 7800 60  0000 C CNN
F 2 "" H 12750 7700 60  0000 C CNN
F 3 "" H 12750 7700 60  0000 C CNN
	1    12750 7700
	1    0    0    -1  
$EndComp
$Comp
L d_nand U53
U 1 1 666EEC11
P 12750 8400
F 0 "U53" H 12750 8400 60  0000 C CNN
F 1 "d_nand" H 12800 8500 60  0000 C CNN
F 2 "" H 12750 8400 60  0000 C CNN
F 3 "" H 12750 8400 60  0000 C CNN
	1    12750 8400
	1    0    0    -1  
$EndComp
$Comp
L d_nand U54
U 1 1 666EEC17
P 12800 9150
F 0 "U54" H 12800 9150 60  0000 C CNN
F 1 "d_nand" H 12850 9250 60  0000 C CNN
F 2 "" H 12800 9150 60  0000 C CNN
F 3 "" H 12800 9150 60  0000 C CNN
	1    12800 9150
	1    0    0    -1  
$EndComp
Wire Wire Line
	12350 9150 12350 9350
Wire Wire Line
	12350 9350 11200 9350
Wire Wire Line
	11150 8600 12300 8600
Wire Wire Line
	12300 8600 12300 8400
Wire Wire Line
	11150 7900 12300 7900
Wire Wire Line
	12300 7900 12300 7700
$Comp
L 4_and X3
U 1 1 666EEC23
P 14150 8150
F 0 "X3" H 14200 8100 60  0000 C CNN
F 1 "4_and" H 14250 8250 60  0000 C CNN
F 2 "" H 14150 8150 60  0000 C CNN
F 3 "" H 14150 8150 60  0000 C CNN
	1    14150 8150
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U58
U 1 1 666EEC29
P 13550 7250
F 0 "U58" H 13550 7150 60  0000 C CNN
F 1 "d_inverter" H 13550 7400 60  0000 C CNN
F 2 "" H 13600 7200 60  0000 C CNN
F 3 "" H 13600 7200 60  0000 C CNN
	1    13550 7250
	0    1    1    0   
$EndComp
Wire Wire Line
	13550 6950 13550 6900
Wire Wire Line
	13550 6900 13200 6900
Wire Wire Line
	13550 7550 13550 8000
Wire Wire Line
	13550 8000 13750 8000
Wire Wire Line
	13750 8100 13500 8100
Wire Wire Line
	13500 8100 13500 7650
Wire Wire Line
	13500 7650 13200 7650
Wire Wire Line
	13250 9100 13550 9100
Wire Wire Line
	13550 9100 13550 8300
Wire Wire Line
	13550 8300 13750 8300
Wire Wire Line
	13750 8200 13500 8200
Wire Wire Line
	13500 8200 13500 8350
Wire Wire Line
	13500 8350 13200 8350
Wire Wire Line
	6450 8400 7550 8400
Wire Wire Line
	7550 8400 7550 9050
Wire Wire Line
	7550 7600 8800 7600
Wire Wire Line
	7550 7600 7550 8200
Wire Wire Line
	7550 8200 6450 8200
$Comp
L d_inverter U20
U 1 1 666EEC41
P 9100 8300
F 0 "U20" H 9100 8200 60  0000 C CNN
F 1 "d_inverter" H 9100 8450 60  0000 C CNN
F 2 "" H 9150 8250 60  0000 C CNN
F 3 "" H 9150 8250 60  0000 C CNN
	1    9100 8300
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U46
U 1 1 666EEC49
P 11750 7600
F 0 "U46" H 11750 7500 60  0000 C CNN
F 1 "d_inverter" H 11750 7750 60  0000 C CNN
F 2 "" H 11800 7550 60  0000 C CNN
F 3 "" H 11800 7550 60  0000 C CNN
	1    11750 7600
	1    0    0    -1  
$EndComp
Wire Wire Line
	12050 7600 12300 7600
$Comp
L d_inverter U19
U 1 1 666EEC51
P 9100 7600
F 0 "U19" H 9100 7500 60  0000 C CNN
F 1 "d_inverter" H 9100 7750 60  0000 C CNN
F 2 "" H 9150 7550 60  0000 C CNN
F 3 "" H 9150 7550 60  0000 C CNN
	1    9100 7600
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U47
U 1 1 666EEC59
P 11750 8300
F 0 "U47" H 11750 8200 60  0000 C CNN
F 1 "d_inverter" H 11750 8450 60  0000 C CNN
F 2 "" H 11800 8250 60  0000 C CNN
F 3 "" H 11800 8250 60  0000 C CNN
	1    11750 8300
	1    0    0    -1  
$EndComp
Wire Wire Line
	12050 8300 12300 8300
$Comp
L d_inverter U21
U 1 1 666EEC61
P 9100 9050
F 0 "U21" H 9100 8950 60  0000 C CNN
F 1 "d_inverter" H 9100 9200 60  0000 C CNN
F 2 "" H 9150 9000 60  0000 C CNN
F 3 "" H 9150 9000 60  0000 C CNN
	1    9100 9050
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U48
U 1 1 666EEC69
P 11800 9050
F 0 "U48" H 11800 8950 60  0000 C CNN
F 1 "d_inverter" H 11800 9200 60  0000 C CNN
F 2 "" H 11850 9000 60  0000 C CNN
F 3 "" H 11850 9000 60  0000 C CNN
	1    11800 9050
	1    0    0    -1  
$EndComp
Wire Wire Line
	12100 9050 12350 9050
Wire Wire Line
	14700 8150 14650 8150
$Comp
L d_and U32
U 1 1 666F08E4
P 10800 11450
F 0 "U32" H 10800 11450 60  0000 C CNN
F 1 "d_and" H 10850 11550 60  0000 C CNN
F 2 "" H 10800 11450 60  0000 C CNN
F 3 "" H 10800 11450 60  0000 C CNN
	1    10800 11450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 11100 11550 11100
$Comp
L d_and U33
U 1 1 666F08EB
P 10800 12150
F 0 "U33" H 10800 12150 60  0000 C CNN
F 1 "d_and" H 10850 12250 60  0000 C CNN
F 2 "" H 10800 12150 60  0000 C CNN
F 3 "" H 10800 12150 60  0000 C CNN
	1    10800 12150
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 11800 11550 11800
$Comp
L d_and U42
U 1 1 666F08F2
P 10850 12900
F 0 "U42" H 10850 12900 60  0000 C CNN
F 1 "d_and" H 10900 13000 60  0000 C CNN
F 2 "" H 10850 12900 60  0000 C CNN
F 3 "" H 10850 12900 60  0000 C CNN
	1    10850 12900
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 12550 11600 12550
Wire Wire Line
	10350 11350 10200 11350
Wire Wire Line
	10200 11350 10200 12550
Wire Wire Line
	10200 12050 10350 12050
Connection ~ 10200 12550
Connection ~ 10200 12050
Wire Wire Line
	10400 12900 9900 12900
Wire Wire Line
	9900 12900 9900 11800
Connection ~ 9900 11800
Wire Wire Line
	10100 11800 10100 11450
Wire Wire Line
	10100 11450 10350 11450
Connection ~ 10100 11800
Wire Wire Line
	10350 12800 10400 12800
Wire Wire Line
	10350 11100 10350 12800
Connection ~ 10350 11100
Connection ~ 10350 12150
$Comp
L 3_and X2
U 1 1 666F0908
P 12800 10450
F 0 "X2" H 12900 10400 60  0000 C CNN
F 1 "3_and" H 12950 10600 60  0000 C CNN
F 2 "" H 12800 10450 60  0000 C CNN
F 3 "" H 12800 10450 60  0000 C CNN
	1    12800 10450
	1    0    0    -1  
$EndComp
Wire Wire Line
	12450 10500 8600 10500
Wire Wire Line
	8600 10500 8600 11100
Wire Wire Line
	6550 11800 8900 11800
Wire Wire Line
	8450 11800 8450 10400
Wire Wire Line
	8450 10400 12450 10400
Wire Wire Line
	12450 10300 8300 10300
Wire Wire Line
	8300 10300 8300 12550
Wire Wire Line
	7650 12550 8900 12550
Connection ~ 8450 11800
Connection ~ 8300 12550
$Comp
L d_nand U55
U 1 1 666F0918
P 12850 11200
F 0 "U55" H 12850 11200 60  0000 C CNN
F 1 "d_nand" H 12900 11300 60  0000 C CNN
F 2 "" H 12850 11200 60  0000 C CNN
F 3 "" H 12850 11200 60  0000 C CNN
	1    12850 11200
	1    0    0    -1  
$EndComp
$Comp
L d_nand U56
U 1 1 666F091E
P 12850 11900
F 0 "U56" H 12850 11900 60  0000 C CNN
F 1 "d_nand" H 12900 12000 60  0000 C CNN
F 2 "" H 12850 11900 60  0000 C CNN
F 3 "" H 12850 11900 60  0000 C CNN
	1    12850 11900
	1    0    0    -1  
$EndComp
$Comp
L d_nand U57
U 1 1 666F0924
P 12900 12650
F 0 "U57" H 12900 12650 60  0000 C CNN
F 1 "d_nand" H 12950 12750 60  0000 C CNN
F 2 "" H 12900 12650 60  0000 C CNN
F 3 "" H 12900 12650 60  0000 C CNN
	1    12900 12650
	1    0    0    -1  
$EndComp
Wire Wire Line
	12450 12650 12450 12850
Wire Wire Line
	12450 12850 11300 12850
Wire Wire Line
	11250 12100 12400 12100
Wire Wire Line
	12400 12100 12400 11900
Wire Wire Line
	11250 11400 12400 11400
Wire Wire Line
	12400 11400 12400 11200
$Comp
L 4_and X4
U 1 1 666F0930
P 14250 11650
F 0 "X4" H 14300 11600 60  0000 C CNN
F 1 "4_and" H 14350 11750 60  0000 C CNN
F 2 "" H 14250 11650 60  0000 C CNN
F 3 "" H 14250 11650 60  0000 C CNN
	1    14250 11650
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U59
U 1 1 666F0936
P 13650 10750
F 0 "U59" H 13650 10650 60  0000 C CNN
F 1 "d_inverter" H 13650 10900 60  0000 C CNN
F 2 "" H 13700 10700 60  0000 C CNN
F 3 "" H 13700 10700 60  0000 C CNN
	1    13650 10750
	0    1    1    0   
$EndComp
Wire Wire Line
	13650 10450 13650 10400
Wire Wire Line
	13650 10400 13300 10400
Wire Wire Line
	13650 11050 13650 11500
Wire Wire Line
	13650 11500 13850 11500
Wire Wire Line
	13850 11600 13600 11600
Wire Wire Line
	13600 11600 13600 11150
Wire Wire Line
	13600 11150 13300 11150
Wire Wire Line
	13350 12600 13650 12600
Wire Wire Line
	13650 12600 13650 11800
Wire Wire Line
	13650 11800 13850 11800
Wire Wire Line
	13850 11700 13600 11700
Wire Wire Line
	13600 11700 13600 11850
Wire Wire Line
	13600 11850 13300 11850
Wire Wire Line
	6550 11900 7650 11900
Wire Wire Line
	7650 11900 7650 12550
Wire Wire Line
	7650 11100 8900 11100
Wire Wire Line
	7650 11100 7650 11700
Wire Wire Line
	7650 11700 6550 11700
$Comp
L d_inverter U26
U 1 1 666F094E
P 9200 11800
F 0 "U26" H 9200 11700 60  0000 C CNN
F 1 "d_inverter" H 9200 11950 60  0000 C CNN
F 2 "" H 9250 11750 60  0000 C CNN
F 3 "" H 9250 11750 60  0000 C CNN
	1    9200 11800
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U49
U 1 1 666F0954
P 11850 11100
F 0 "U49" H 11850 11000 60  0000 C CNN
F 1 "d_inverter" H 11850 11250 60  0000 C CNN
F 2 "" H 11900 11050 60  0000 C CNN
F 3 "" H 11900 11050 60  0000 C CNN
	1    11850 11100
	1    0    0    -1  
$EndComp
Wire Wire Line
	12150 11100 12400 11100
$Comp
L d_inverter U25
U 1 1 666F095B
P 9200 11100
F 0 "U25" H 9200 11000 60  0000 C CNN
F 1 "d_inverter" H 9200 11250 60  0000 C CNN
F 2 "" H 9250 11050 60  0000 C CNN
F 3 "" H 9250 11050 60  0000 C CNN
	1    9200 11100
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U50
U 1 1 666F0961
P 11850 11800
F 0 "U50" H 11850 11700 60  0000 C CNN
F 1 "d_inverter" H 11850 11950 60  0000 C CNN
F 2 "" H 11900 11750 60  0000 C CNN
F 3 "" H 11900 11750 60  0000 C CNN
	1    11850 11800
	1    0    0    -1  
$EndComp
Wire Wire Line
	12150 11800 12400 11800
$Comp
L d_inverter U27
U 1 1 666F0968
P 9200 12550
F 0 "U27" H 9200 12450 60  0000 C CNN
F 1 "d_inverter" H 9200 12700 60  0000 C CNN
F 2 "" H 9250 12500 60  0000 C CNN
F 3 "" H 9250 12500 60  0000 C CNN
	1    9200 12550
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U51
U 1 1 666F096E
P 11900 12550
F 0 "U51" H 11900 12450 60  0000 C CNN
F 1 "d_inverter" H 11900 12700 60  0000 C CNN
F 2 "" H 11950 12500 60  0000 C CNN
F 3 "" H 11950 12500 60  0000 C CNN
	1    11900 12550
	1    0    0    -1  
$EndComp
Wire Wire Line
	12200 12550 12450 12550
$Comp
L PORT U1
U 1 1 666DBC06
P 6150 4700
F 0 "U1" H 6200 4800 30  0000 C CNN
F 1 "PORT" H 6150 4700 30  0000 C CNN
F 2 "" H 6150 4700 60  0000 C CNN
F 3 "" H 6150 4700 60  0000 C CNN
	1    6150 4700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 2 1 666DBC97
P 6150 4800
F 0 "U1" H 6200 4900 30  0000 C CNN
F 1 "PORT" H 6150 4800 30  0000 C CNN
F 2 "" H 6150 4800 60  0000 C CNN
F 3 "" H 6150 4800 60  0000 C CNN
	2    6150 4800
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 3 1 666DBD28
P 6150 4900
F 0 "U1" H 6200 5000 30  0000 C CNN
F 1 "PORT" H 6150 4900 30  0000 C CNN
F 2 "" H 6150 4900 60  0000 C CNN
F 3 "" H 6150 4900 60  0000 C CNN
	3    6150 4900
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 4 1 666DC229
P 6200 8200
F 0 "U1" H 6250 8300 30  0000 C CNN
F 1 "PORT" H 6200 8200 30  0000 C CNN
F 2 "" H 6200 8200 60  0000 C CNN
F 3 "" H 6200 8200 60  0000 C CNN
	4    6200 8200
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 5 1 666DC2C2
P 6200 8300
F 0 "U1" H 6250 8400 30  0000 C CNN
F 1 "PORT" H 6200 8300 30  0000 C CNN
F 2 "" H 6200 8300 60  0000 C CNN
F 3 "" H 6200 8300 60  0000 C CNN
	5    6200 8300
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 6 1 666DC359
P 6200 8400
F 0 "U1" H 6250 8500 30  0000 C CNN
F 1 "PORT" H 6200 8400 30  0000 C CNN
F 2 "" H 6200 8400 60  0000 C CNN
F 3 "" H 6200 8400 60  0000 C CNN
	6    6200 8400
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 7 1 666DC854
P 6300 11700
F 0 "U1" H 6350 11800 30  0000 C CNN
F 1 "PORT" H 6300 11700 30  0000 C CNN
F 2 "" H 6300 11700 60  0000 C CNN
F 3 "" H 6300 11700 60  0000 C CNN
	7    6300 11700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 8 1 666DC8F1
P 6300 11800
F 0 "U1" H 6350 11900 30  0000 C CNN
F 1 "PORT" H 6300 11800 30  0000 C CNN
F 2 "" H 6300 11800 60  0000 C CNN
F 3 "" H 6300 11800 60  0000 C CNN
	8    6300 11800
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 9 1 666DC98E
P 6300 11900
F 0 "U1" H 6350 12000 30  0000 C CNN
F 1 "PORT" H 6300 11900 30  0000 C CNN
F 2 "" H 6300 11900 60  0000 C CNN
F 3 "" H 6300 11900 60  0000 C CNN
	9    6300 11900
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 10 1 666DD060
P 20950 7950
F 0 "U1" H 21000 8050 30  0000 C CNN
F 1 "PORT" H 20950 7950 30  0000 C CNN
F 2 "" H 20950 7950 60  0000 C CNN
F 3 "" H 20950 7950 60  0000 C CNN
	10   20950 7950
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 11 1 666DD105
P 20950 8050
F 0 "U1" H 21000 8150 30  0000 C CNN
F 1 "PORT" H 20950 8050 30  0000 C CNN
F 2 "" H 20950 8050 60  0000 C CNN
F 3 "" H 20950 8050 60  0000 C CNN
	11   20950 8050
	-1   0    0    1   
$EndComp
$EndSCHEMATC