EESchema Schematic File Version 2
LIBS:power
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:valves
LIBS:eSim_Analog
LIBS:eSim_Devices
LIBS:eSim_Digital
LIBS:eSim_Hybrid
LIBS:eSim_Miscellaneous
LIBS:eSim_Plot
LIBS:eSim_Power
LIBS:eSim_PSpice
LIBS:eSim_Sources
LIBS:eSim_User
LIBS:eSim_Subckt
LIBS:4_bit_FA-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_or U2
U 1 1 5C963B95
P 3050 3050
F 0 "U2" H 3050 3050 60  0000 C CNN
F 1 "d_or" H 3050 3150 60  0000 C CNN
F 2 "" H 3050 3050 60  0000 C CNN
F 3 "" H 3050 3050 60  0000 C CNN
	1    3050 3050
	1    0    0    -1  
$EndComp
$Comp
L d_and U3
U 1 1 5C963C4C
P 3050 3450
F 0 "U3" H 3050 3450 60  0000 C CNN
F 1 "d_and" H 3100 3550 60  0000 C CNN
F 2 "" H 3050 3450 60  0000 C CNN
F 3 "" H 3050 3450 60  0000 C CNN
	1    3050 3450
	1    0    0    -1  
$EndComp
$Comp
L d_or U4
U 1 1 5C963CD9
P 3050 4000
F 0 "U4" H 3050 4000 60  0000 C CNN
F 1 "d_or" H 3050 4100 60  0000 C CNN
F 2 "" H 3050 4000 60  0000 C CNN
F 3 "" H 3050 4000 60  0000 C CNN
	1    3050 4000
	1    0    0    -1  
$EndComp
$Comp
L d_and U5
U 1 1 5C963CDF
P 3050 4400
F 0 "U5" H 3050 4400 60  0000 C CNN
F 1 "d_and" H 3100 4500 60  0000 C CNN
F 2 "" H 3050 4400 60  0000 C CNN
F 3 "" H 3050 4400 60  0000 C CNN
	1    3050 4400
	1    0    0    -1  
$EndComp
$Comp
L d_or U6
U 1 1 5C963D79
P 3050 4850
F 0 "U6" H 3050 4850 60  0000 C CNN
F 1 "d_or" H 3050 4950 60  0000 C CNN
F 2 "" H 3050 4850 60  0000 C CNN
F 3 "" H 3050 4850 60  0000 C CNN
	1    3050 4850
	1    0    0    -1  
$EndComp
$Comp
L d_and U7
U 1 1 5C963D7F
P 3050 5250
F 0 "U7" H 3050 5250 60  0000 C CNN
F 1 "d_and" H 3100 5350 60  0000 C CNN
F 2 "" H 3050 5250 60  0000 C CNN
F 3 "" H 3050 5250 60  0000 C CNN
	1    3050 5250
	1    0    0    -1  
$EndComp
$Comp
L d_or U8
U 1 1 5C963D85
P 3050 5800
F 0 "U8" H 3050 5800 60  0000 C CNN
F 1 "d_or" H 3050 5900 60  0000 C CNN
F 2 "" H 3050 5800 60  0000 C CNN
F 3 "" H 3050 5800 60  0000 C CNN
	1    3050 5800
	1    0    0    -1  
$EndComp
$Comp
L d_and U9
U 1 1 5C963D8B
P 3050 6200
F 0 "U9" H 3050 6200 60  0000 C CNN
F 1 "d_and" H 3100 6300 60  0000 C CNN
F 2 "" H 3050 6200 60  0000 C CNN
F 3 "" H 3050 6200 60  0000 C CNN
	1    3050 6200
	1    0    0    -1  
$EndComp
$Comp
L d_and U16
U 1 1 5C963D9B
P 5550 3200
F 0 "U16" H 5550 3200 60  0000 C CNN
F 1 "d_and" H 5600 3300 60  0000 C CNN
F 2 "" H 5550 3200 60  0000 C CNN
F 3 "" H 5550 3200 60  0000 C CNN
	1    5550 3200
	1    0    0    -1  
$EndComp
$Comp
L d_or U24
U 1 1 5C963DFB
P 6450 3400
F 0 "U24" H 6450 3400 60  0000 C CNN
F 1 "d_or" H 6450 3500 60  0000 C CNN
F 2 "" H 6450 3400 60  0000 C CNN
F 3 "" H 6450 3400 60  0000 C CNN
	1    6450 3400
	1    0    0    -1  
$EndComp
$Comp
L d_or U33
U 1 1 5C963F8F
P 7800 3450
F 0 "U33" H 7800 3450 60  0000 C CNN
F 1 "d_or" H 7800 3550 60  0000 C CNN
F 2 "" H 7800 3450 60  0000 C CNN
F 3 "" H 7800 3450 60  0000 C CNN
	1    7800 3450
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U23
U 1 1 5C963FFF
P 6450 2950
F 0 "U23" H 6450 2850 60  0000 C CNN
F 1 "d_inverter" H 6450 3100 60  0000 C CNN
F 2 "" H 6500 2900 60  0000 C CNN
F 3 "" H 6500 2900 60  0000 C CNN
	1    6450 2950
	1    0    0    -1  
$EndComp
$Comp
L d_xor U38
U 1 1 5C9640A4
P 8900 3400
F 0 "U38" H 8900 3400 60  0000 C CNN
F 1 "d_xor" H 8950 3500 47  0000 C CNN
F 2 "" H 8900 3400 60  0000 C CNN
F 3 "" H 8900 3400 60  0000 C CNN
	1    8900 3400
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U42
U 1 1 5C96410A
P 9750 3350
F 0 "U42" H 9750 3250 60  0000 C CNN
F 1 "d_inverter" H 9750 3500 60  0000 C CNN
F 2 "" H 9800 3300 60  0000 C CNN
F 3 "" H 9800 3300 60  0000 C CNN
	1    9750 3350
	1    0    0    -1  
$EndComp
$Comp
L d_and U17
U 1 1 5C964222
P 5550 4150
F 0 "U17" H 5550 4150 60  0000 C CNN
F 1 "d_and" H 5600 4250 60  0000 C CNN
F 2 "" H 5550 4150 60  0000 C CNN
F 3 "" H 5550 4150 60  0000 C CNN
	1    5550 4150
	1    0    0    -1  
$EndComp
$Comp
L d_or U26
U 1 1 5C964228
P 6450 4350
F 0 "U26" H 6450 4350 60  0000 C CNN
F 1 "d_or" H 6450 4450 60  0000 C CNN
F 2 "" H 6450 4350 60  0000 C CNN
F 3 "" H 6450 4350 60  0000 C CNN
	1    6450 4350
	1    0    0    -1  
$EndComp
$Comp
L d_or U34
U 1 1 5C96422E
P 7800 4400
F 0 "U34" H 7800 4400 60  0000 C CNN
F 1 "d_or" H 7800 4500 60  0000 C CNN
F 2 "" H 7800 4400 60  0000 C CNN
F 3 "" H 7800 4400 60  0000 C CNN
	1    7800 4400
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U25
U 1 1 5C964234
P 6450 3900
F 0 "U25" H 6450 3800 60  0000 C CNN
F 1 "d_inverter" H 6450 4050 60  0000 C CNN
F 2 "" H 6500 3850 60  0000 C CNN
F 3 "" H 6500 3850 60  0000 C CNN
	1    6450 3900
	1    0    0    -1  
$EndComp
$Comp
L d_xor U39
U 1 1 5C96423A
P 8900 4350
F 0 "U39" H 8900 4350 60  0000 C CNN
F 1 "d_xor" H 8950 4450 47  0000 C CNN
F 2 "" H 8900 4350 60  0000 C CNN
F 3 "" H 8900 4350 60  0000 C CNN
	1    8900 4350
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U44
U 1 1 5C964240
P 9800 4300
F 0 "U44" H 9800 4200 60  0000 C CNN
F 1 "d_inverter" H 9800 4450 60  0000 C CNN
F 2 "" H 9850 4250 60  0000 C CNN
F 3 "" H 9850 4250 60  0000 C CNN
	1    9800 4300
	1    0    0    -1  
$EndComp
$Comp
L d_and U18
U 1 1 5C964304
P 5600 4950
F 0 "U18" H 5600 4950 60  0000 C CNN
F 1 "d_and" H 5650 5050 60  0000 C CNN
F 2 "" H 5600 4950 60  0000 C CNN
F 3 "" H 5600 4950 60  0000 C CNN
	1    5600 4950
	1    0    0    -1  
$EndComp
$Comp
L d_or U28
U 1 1 5C96430A
P 6500 5150
F 0 "U28" H 6500 5150 60  0000 C CNN
F 1 "d_or" H 6500 5250 60  0000 C CNN
F 2 "" H 6500 5150 60  0000 C CNN
F 3 "" H 6500 5150 60  0000 C CNN
	1    6500 5150
	1    0    0    -1  
$EndComp
$Comp
L d_or U35
U 1 1 5C964310
P 7850 5200
F 0 "U35" H 7850 5200 60  0000 C CNN
F 1 "d_or" H 7850 5300 60  0000 C CNN
F 2 "" H 7850 5200 60  0000 C CNN
F 3 "" H 7850 5200 60  0000 C CNN
	1    7850 5200
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U27
U 1 1 5C964316
P 6500 4700
F 0 "U27" H 6500 4600 60  0000 C CNN
F 1 "d_inverter" H 6500 4850 60  0000 C CNN
F 2 "" H 6550 4650 60  0000 C CNN
F 3 "" H 6550 4650 60  0000 C CNN
	1    6500 4700
	1    0    0    -1  
$EndComp
$Comp
L d_xor U40
U 1 1 5C96431C
P 8950 5150
F 0 "U40" H 8950 5150 60  0000 C CNN
F 1 "d_xor" H 9000 5250 47  0000 C CNN
F 2 "" H 8950 5150 60  0000 C CNN
F 3 "" H 8950 5150 60  0000 C CNN
	1    8950 5150
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U45
U 1 1 5C964322
P 9850 5100
F 0 "U45" H 9850 5000 60  0000 C CNN
F 1 "d_inverter" H 9850 5250 60  0000 C CNN
F 2 "" H 9900 5050 60  0000 C CNN
F 3 "" H 9900 5050 60  0000 C CNN
	1    9850 5100
	1    0    0    -1  
$EndComp
$Comp
L d_or U31
U 1 1 5C964476
P 7750 6200
F 0 "U31" H 7750 6200 60  0000 C CNN
F 1 "d_or" H 7750 6300 60  0000 C CNN
F 2 "" H 7750 6200 60  0000 C CNN
F 3 "" H 7750 6200 60  0000 C CNN
	1    7750 6200
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U21
U 1 1 5C96447C
P 6400 5700
F 0 "U21" H 6400 5600 60  0000 C CNN
F 1 "d_inverter" H 6400 5850 60  0000 C CNN
F 2 "" H 6450 5650 60  0000 C CNN
F 3 "" H 6450 5650 60  0000 C CNN
	1    6400 5700
	1    0    0    -1  
$EndComp
$Comp
L d_xor U37
U 1 1 5C964482
P 8850 6150
F 0 "U37" H 8850 6150 60  0000 C CNN
F 1 "d_xor" H 8900 6250 47  0000 C CNN
F 2 "" H 8850 6150 60  0000 C CNN
F 3 "" H 8850 6150 60  0000 C CNN
	1    8850 6150
	1    0    0    -1  
$EndComp
$Comp
L d_inverter U43
U 1 1 5C964488
P 9750 6100
F 0 "U43" H 9750 6000 60  0000 C CNN
F 1 "d_inverter" H 9750 6250 60  0000 C CNN
F 2 "" H 9800 6050 60  0000 C CNN
F 3 "" H 9800 6050 60  0000 C CNN
	1    9750 6100
	1    0    0    -1  
$EndComp
$Comp
L d_and U10
U 1 1 5C966120
P 5450 1650
F 0 "U10" H 5450 1650 60  0000 C CNN
F 1 "d_and" H 5500 1750 60  0000 C CNN
F 2 "" H 5450 1650 60  0000 C CNN
F 3 "" H 5450 1650 60  0000 C CNN
	1    5450 1650
	1    0    0    -1  
$EndComp
$Comp
L d_and U32
U 1 1 5C968A9C
P 7800 1150
F 0 "U32" H 7800 1150 60  0000 C CNN
F 1 "d_and" H 7850 1250 60  0000 C CNN
F 2 "" H 7800 1150 60  0000 C CNN
F 3 "" H 7800 1150 60  0000 C CNN
	1    7800 1150
	1    0    0    -1  
$EndComp
$Comp
L d_or U41
U 1 1 5C968DBD
P 9400 1500
F 0 "U41" H 9400 1500 60  0000 C CNN
F 1 "d_or" H 9400 1600 60  0000 C CNN
F 2 "" H 9400 1500 60  0000 C CNN
F 3 "" H 9400 1500 60  0000 C CNN
	1    9400 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 3350 9350 3350
Wire Wire Line
	6750 2950 7350 2950
Wire Wire Line
	7350 2950 7350 3350
Wire Wire Line
	6000 3150 6000 3300
Wire Wire Line
	9500 4300 9350 4300
Wire Wire Line
	9550 5100 9400 5100
Wire Wire Line
	9450 6100 9300 6100
Wire Wire Line
	7350 4300 7350 3900
Wire Wire Line
	7350 3900 6750 3900
Wire Wire Line
	7400 5100 7400 4700
Wire Wire Line
	7400 4700 6800 4700
Wire Wire Line
	7300 6100 7300 5700
Wire Wire Line
	7300 5700 6700 5700
Wire Wire Line
	6050 4900 6050 5050
Wire Wire Line
	6000 4100 6000 4250
Wire Wire Line
	8250 3400 8450 3400
Wire Wire Line
	8250 4350 8450 4350
Wire Wire Line
	8200 6150 8400 6150
Wire Wire Line
	8500 5150 8300 5150
Wire Wire Line
	8450 2700 8450 3300
Wire Wire Line
	3400 2700 8450 2700
Wire Wire Line
	4950 2700 4950 3100
Wire Wire Line
	4950 3100 5100 3100
Wire Wire Line
	3500 2950 6150 2950
Wire Wire Line
	3500 2950 3500 3000
Wire Wire Line
	5100 3200 4850 3200
Wire Wire Line
	4850 3200 4850 2950
Connection ~ 4850 2950
Wire Wire Line
	3500 3400 6000 3400
Wire Wire Line
	5850 3400 5850 3500
Wire Wire Line
	5850 3500 7350 3500
Wire Wire Line
	7350 3500 7350 3450
Connection ~ 5850 3400
Wire Wire Line
	5100 4050 5000 4050
Wire Wire Line
	5000 4050 5000 3700
Wire Wire Line
	5000 3700 8400 3700
Wire Wire Line
	8400 3700 8400 4250
Wire Wire Line
	8400 4250 8450 4250
Wire Wire Line
	6900 3350 6900 3700
Connection ~ 6900 3700
Wire Wire Line
	3500 3900 6150 3900
Wire Wire Line
	3500 3900 3500 3950
Wire Wire Line
	5100 4150 4950 4150
Wire Wire Line
	4950 4150 4950 3900
Connection ~ 4950 3900
Wire Wire Line
	3500 4350 6000 4350
Wire Wire Line
	7350 4400 7350 4450
Wire Wire Line
	7350 4450 5850 4450
Wire Wire Line
	5850 4450 5850 4350
Connection ~ 5850 4350
Wire Wire Line
	8500 5050 8400 5050
Wire Wire Line
	8400 5050 8400 4500
Wire Wire Line
	8400 4500 5050 4500
Wire Wire Line
	5050 4500 5050 4850
Wire Wire Line
	5050 4850 5150 4850
Wire Wire Line
	6900 4300 7000 4300
Wire Wire Line
	7000 4300 7000 4500
Connection ~ 7000 4500
Wire Wire Line
	3500 4700 6200 4700
Wire Wire Line
	3500 4700 3500 4800
Wire Wire Line
	5150 4950 4950 4950
Wire Wire Line
	4950 4950 4950 4700
Connection ~ 4950 4700
Wire Wire Line
	3500 5150 6050 5150
Wire Wire Line
	3500 5150 3500 5200
Wire Wire Line
	7400 5200 7400 5250
Wire Wire Line
	7400 5250 5900 5250
Wire Wire Line
	5900 5250 5900 5150
Connection ~ 5900 5150
Wire Wire Line
	3500 5700 6100 5700
Wire Wire Line
	3500 5700 3500 5750
Wire Wire Line
	3500 6150 7100 6150
Wire Wire Line
	8250 5500 8250 6050
Wire Wire Line
	8250 6050 8400 6050
Wire Wire Line
	7100 6150 7100 6200
Wire Wire Line
	7100 6200 7300 6200
Wire Wire Line
	8250 5500 7050 5500
Wire Wire Line
	7050 5500 7050 5100
Wire Wire Line
	7050 5100 6950 5100
Wire Wire Line
	2000 2950 2600 2950
Wire Wire Line
	2000 3450 2600 3450
Wire Wire Line
	2600 3050 2350 3050
Wire Wire Line
	2350 3050 2350 3450
Connection ~ 2350 3450
Wire Wire Line
	2600 3350 2500 3350
Wire Wire Line
	2500 3350 2500 2950
Connection ~ 2500 2950
Wire Wire Line
	2000 3900 2600 3900
Wire Wire Line
	2000 4400 2600 4400
Wire Wire Line
	2600 4300 2450 4300
Wire Wire Line
	2450 4300 2450 3900
Connection ~ 2450 3900
Wire Wire Line
	2600 4000 2350 4000
Wire Wire Line
	2350 4000 2350 4400
Connection ~ 2350 4400
Wire Wire Line
	2000 4750 2600 4750
Wire Wire Line
	2000 5250 2600 5250
Wire Wire Line
	2600 4850 2350 4850
Wire Wire Line
	2350 4850 2350 5250
Connection ~ 2350 5250
Wire Wire Line
	2600 5150 2450 5150
Wire Wire Line
	2450 5150 2450 4750
Connection ~ 2450 4750
Wire Wire Line
	2050 5700 2600 5700
Wire Wire Line
	2100 6200 2600 6200
Wire Wire Line
	2600 6100 2450 6100
Wire Wire Line
	2450 6100 2450 5700
Connection ~ 2450 5700
Wire Wire Line
	2600 5800 2500 5800
Wire Wire Line
	2500 5800 2500 6200
Connection ~ 2500 6200
Wire Wire Line
	4600 3400 4600 2500
Wire Wire Line
	4600 2500 5450 2500
Connection ~ 4600 3400
Wire Wire Line
	4400 2400 5450 2400
Wire Wire Line
	4400 1200 4400 3900
Wire Wire Line
	4500 2950 4500 1300
Wire Wire Line
	4500 1300 5450 1300
Connection ~ 4500 2950
Wire Wire Line
	4100 2300 5450 2300
Wire Wire Line
	3800 2200 5450 2200
Wire Wire Line
	3800 1000 3800 5700
Connection ~ 3800 5700
Wire Wire Line
	5950 2100 4300 2100
Wire Wire Line
	4300 2100 4300 4350
Connection ~ 4300 4350
Connection ~ 4400 3900
Wire Wire Line
	4100 2300 4100 4700
Connection ~ 4100 4700
Wire Wire Line
	4100 2000 5950 2000
Wire Wire Line
	4100 1100 4100 2350
Connection ~ 4100 2350
Wire Wire Line
	3800 1900 5950 1900
Connection ~ 3800 2200
Wire Wire Line
	5000 1550 3800 1550
Connection ~ 3800 1900
Wire Wire Line
	5000 1650 3950 1650
Wire Wire Line
	3950 1650 3950 5150
Connection ~ 3950 5150
Wire Wire Line
	4400 1200 5450 1200
Connection ~ 4400 2400
Wire Wire Line
	4100 1100 5450 1100
Connection ~ 4100 2000
Wire Wire Line
	3800 1000 5450 1000
Connection ~ 3800 1550
Wire Wire Line
	5900 1600 7550 1600
Wire Wire Line
	7150 900  7150 1500
Wire Wire Line
	7150 900  3700 900 
Wire Wire Line
	3700 900  3700 6150
Connection ~ 3700 6150
Wire Wire Line
	6350 1150 7350 1150
Wire Wire Line
	7350 750  7350 1050
Wire Wire Line
	2000 750  7350 750 
Wire Wire Line
	8950 1500 8950 1750
Wire Wire Line
	8950 1400 8950 1100
Wire Wire Line
	8950 1100 8250 1100
Wire Wire Line
	9850 1450 10500 1450
Wire Wire Line
	10050 3350 10450 3350
Wire Wire Line
	3400 750  3400 2700
Connection ~ 4950 2700
Connection ~ 3400 750 
Wire Wire Line
	10100 4300 10400 4300
Wire Wire Line
	10150 5100 10400 5100
Wire Wire Line
	10050 6100 10400 6100
$Comp
L PORT U1
U 1 1 5C969A23
P 1750 750
F 0 "U1" H 1800 850 30  0000 C CNN
F 1 "PORT" H 1750 750 30  0000 C CNN
F 2 "" H 1750 750 60  0000 C CNN
F 3 "" H 1750 750 60  0000 C CNN
	1    1750 750 
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 2 1 5C969AF9
P 1750 2950
F 0 "U1" H 1800 3050 30  0000 C CNN
F 1 "PORT" H 1750 2950 30  0000 C CNN
F 2 "" H 1750 2950 60  0000 C CNN
F 3 "" H 1750 2950 60  0000 C CNN
	2    1750 2950
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 3 1 5C969BCD
P 1750 3450
F 0 "U1" H 1800 3550 30  0000 C CNN
F 1 "PORT" H 1750 3450 30  0000 C CNN
F 2 "" H 1750 3450 60  0000 C CNN
F 3 "" H 1750 3450 60  0000 C CNN
	3    1750 3450
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 4 1 5C969C7A
P 1750 3900
F 0 "U1" H 1800 4000 30  0000 C CNN
F 1 "PORT" H 1750 3900 30  0000 C CNN
F 2 "" H 1750 3900 60  0000 C CNN
F 3 "" H 1750 3900 60  0000 C CNN
	4    1750 3900
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 5 1 5C969D28
P 1750 4400
F 0 "U1" H 1800 4500 30  0000 C CNN
F 1 "PORT" H 1750 4400 30  0000 C CNN
F 2 "" H 1750 4400 60  0000 C CNN
F 3 "" H 1750 4400 60  0000 C CNN
	5    1750 4400
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 6 1 5C969DDF
P 1750 4750
F 0 "U1" H 1800 4850 30  0000 C CNN
F 1 "PORT" H 1750 4750 30  0000 C CNN
F 2 "" H 1750 4750 60  0000 C CNN
F 3 "" H 1750 4750 60  0000 C CNN
	6    1750 4750
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 7 1 5C969E93
P 1750 5250
F 0 "U1" H 1800 5350 30  0000 C CNN
F 1 "PORT" H 1750 5250 30  0000 C CNN
F 2 "" H 1750 5250 60  0000 C CNN
F 3 "" H 1750 5250 60  0000 C CNN
	7    1750 5250
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 8 1 5C969F4E
P 1800 5700
F 0 "U1" H 1850 5800 30  0000 C CNN
F 1 "PORT" H 1800 5700 30  0000 C CNN
F 2 "" H 1800 5700 60  0000 C CNN
F 3 "" H 1800 5700 60  0000 C CNN
	8    1800 5700
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 9 1 5C96A00E
P 1850 6200
F 0 "U1" H 1900 6300 30  0000 C CNN
F 1 "PORT" H 1850 6200 30  0000 C CNN
F 2 "" H 1850 6200 60  0000 C CNN
F 3 "" H 1850 6200 60  0000 C CNN
	9    1850 6200
	1    0    0    -1  
$EndComp
$Comp
L PORT U1
U 14 1 5C96A0CF
P 10750 1450
F 0 "U1" H 10800 1550 30  0000 C CNN
F 1 "PORT" H 10750 1450 30  0000 C CNN
F 2 "" H 10750 1450 60  0000 C CNN
F 3 "" H 10750 1450 60  0000 C CNN
	14   10750 1450
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 13 1 5C96A273
P 10700 3350
F 0 "U1" H 10750 3450 30  0000 C CNN
F 1 "PORT" H 10700 3350 30  0000 C CNN
F 2 "" H 10700 3350 60  0000 C CNN
F 3 "" H 10700 3350 60  0000 C CNN
	13   10700 3350
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 10 1 5C96A464
P 10650 4300
F 0 "U1" H 10700 4400 30  0000 C CNN
F 1 "PORT" H 10650 4300 30  0000 C CNN
F 2 "" H 10650 4300 60  0000 C CNN
F 3 "" H 10650 4300 60  0000 C CNN
	10   10650 4300
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 11 1 5C96A53A
P 10650 5100
F 0 "U1" H 10700 5200 30  0000 C CNN
F 1 "PORT" H 10650 5100 30  0000 C CNN
F 2 "" H 10650 5100 60  0000 C CNN
F 3 "" H 10650 5100 60  0000 C CNN
	11   10650 5100
	-1   0    0    1   
$EndComp
$Comp
L PORT U1
U 12 1 5C96A619
P 10650 6100
F 0 "U1" H 10700 6200 30  0000 C CNN
F 1 "PORT" H 10650 6100 30  0000 C CNN
F 2 "" H 10650 6100 60  0000 C CNN
F 3 "" H 10650 6100 60  0000 C CNN
	12   10650 6100
	-1   0    0    1   
$EndComp
Text Notes 10200 3350 0    60   ~ 12
S0
Text Notes 10200 4300 0    60   ~ 12
S1\n
Text Notes 10200 5100 0    60   ~ 12
S2
Text Notes 10150 6100 0    60   ~ 12
S3
Text Notes 10050 1450 0    60   ~ 12
Cout\n
Text Notes 2250 750  0    60   ~ 12
Cin\n
Text Notes 2050 2950 0    60   ~ 12
A0\n
Text Notes 2050 3450 0    60   ~ 12
B0\n
Text Notes 2050 3900 0    60   ~ 12
A1
Text Notes 2050 4400 0    60   ~ 12
B1
Text Notes 2050 4750 0    60   ~ 12
A2
Text Notes 2050 5250 0    60   ~ 12
B2
Text Notes 2100 5700 0    60   ~ 12
A3
Text Notes 2150 6200 0    60   ~ 12
B3
$Comp
L 4_and X1
U 1 1 5C9D037C
P 4400 2250
F 0 "X1" H 5900 3300 60  0000 C CNN
F 1 "4_and" H 5950 3450 60  0000 C CNN
F 2 "" H 4400 2250 60  0000 C CNN
F 3 "" H 4400 2250 60  0000 C CNN
	1    4400 2250
	1    0    0    -1  
$EndComp
$Comp
L 3_and X4
U 1 1 5C9D0A45
P 5500 2400
F 0 "X4" H 6400 2700 60  0000 C CNN
F 1 "3_and" H 6450 2900 60  0000 C CNN
F 2 "" H 5500 2400 60  0000 C CNN
F 3 "" H 5500 2400 60  0000 C CNN
	1    5500 2400
	1    0    0    -1  
$EndComp
$Comp
L 4_and X2
U 1 1 5C9D0E20
P 4400 3450
F 0 "X2" H 5900 4500 60  0000 C CNN
F 1 "4_and" H 5950 4650 60  0000 C CNN
F 2 "" H 4400 3450 60  0000 C CNN
F 3 "" H 4400 3450 60  0000 C CNN
	1    4400 3450
	1    0    0    -1  
$EndComp
$Comp
L 4_OR X3
U 1 1 5C9D1513
P 4450 4900
F 0 "X3" H 8350 7950 60  0000 C CNN
F 1 "4_OR" H 8350 8150 60  0000 C CNN
F 2 "" H 4450 4900 60  0000 C CNN
F 3 "" H 4450 4900 60  0000 C CNN
	1    4450 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 1750 8750 1750
Wire Wire Line
	7150 1500 7850 1500
Wire Wire Line
	7850 1500 7850 1600
Wire Wire Line
	7550 1600 7550 1700
Wire Wire Line
	7550 1700 7850 1700
Wire Wire Line
	6800 2000 6800 1800
Wire Wire Line
	6800 1800 7850 1800
Wire Wire Line
	6350 2350 7850 2350
Wire Wire Line
	7850 2350 7850 1900
$EndSCHEMATC