Apple-2-HW
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RAM128
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "RAM128 (GW4208B)"
Date "2020-09-30"
Rev "1.0"
Comp "Garrett's Workshop"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
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$EndComp
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$EndComp
$Comp
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$Comp
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$Comp
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$Comp
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$EndComp
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$EndComp
$Comp
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$Comp
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$Comp
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1750 3700 1650 3800
Entry Wire Line
1750 3600 1650 3700
Entry Wire Line
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Entry Wire Line
1850 3150 1950 3050
Entry Wire Line
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Entry Wire Line
1850 3650 1950 3550
Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Wire Wire Line
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Text Label 1250 4750 0 50 ~ 0
INTout
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DMAout
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DMAin
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INTin
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~IOSEL~
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A0
Text Label 1450 4000 0 50 ~ 0
A1
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A2
Text Label 1450 3800 0 50 ~ 0
A3
Text Label 1450 3700 0 50 ~ 0
A4
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A5
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A7
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A8
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A9
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A10
Text Label 1450 3000 0 50 ~ 0
A11
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A12
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A13
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A14
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A15
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R~W~
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VIDSYNC
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~IOSTRB~
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RDY
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DMA
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INTout
Text Label 1450 1900 0 50 ~ 0
DMAout
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DMAin
Text Label 950 2000 2 50 ~ 0
INTin
Text Label 950 2100 2 50 ~ 0
~NMI~
Text Label 950 2200 2 50 ~ 0
~IRQ~
Text Label 950 2300 2 50 ~ 0
~RES~
Text Label 950 2400 2 50 ~ 0
~INH~
$Comp
L power:-5V #PWR0101
U 1 1 5CFEFECE
P 950 2600
F 0 "#PWR0101" H 950 2700 50 0001 C CNN
F 1 "-5V" V 950 2750 50 0000 L CNN
F 2 "" H 950 2600 50 0001 C CNN
F 3 "" H 950 2600 50 0001 C CNN
1 950 2600
0 -1 -1 0
$EndComp
$Comp
L power:-12V #PWR0102
U 1 1 5CFEEC44
P 950 2500
F 0 "#PWR0102" H 950 2600 50 0001 C CNN
F 1 "-12V" V 950 2650 50 0000 L CNN
F 2 "" H 950 2500 50 0001 C CNN
F 3 "" H 950 2500 50 0001 C CNN
1 950 2500
0 -1 -1 0
$EndComp
Text Label 950 2700 2 50 ~ 0
COLORREF
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7M
Text Label 950 2900 2 50 ~ 0
Q3
Text Label 950 3000 2 50 ~ 0
PHI1
Text Label 950 3100 2 50 ~ 0
USER1
Text Label 950 3200 2 50 ~ 0
PHI0
Text Label 950 3300 2 50 ~ 0
~DEVSEL~
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D7
Text Label 950 3500 2 50 ~ 0
D6
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D5
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D4
Text Label 950 3800 2 50 ~ 0
D3
Text Label 950 3900 2 50 ~ 0
D2
Text Label 950 4000 2 50 ~ 0
D1
Text Label 950 4100 2 50 ~ 0
D0
$Comp
L power:+12V #PWR0103
U 1 1 5CFFF62F
P 950 4200
F 0 "#PWR0103" H 950 4050 50 0001 C CNN
F 1 "+12V" V 850 4150 50 0000 L CNN
F 2 "" H 950 4200 50 0001 C CNN
F 3 "" H 950 4200 50 0001 C CNN
1 950 4200
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5D11FEA8
P 950 1800
F 0 "#PWR0108" H 950 1550 50 0001 C CNN
F 1 "GND" V 950 1600 50 0000 C CNN
F 2 "" H 950 1800 50 0001 C CNN
F 3 "" H 950 1800 50 0001 C CNN
1 950 1800
0 1 -1 0
$EndComp
$Comp
L power:+5V #PWR0109
U 1 1 5D120CE1
P 1450 1800
F 0 "#PWR0109" H 1450 1650 50 0001 C CNN
F 1 "+5V" V 1450 2000 50 0000 C CNN
F 2 "" H 1450 1800 50 0001 C CNN
F 3 "" H 1450 1800 50 0001 C CNN
1 1450 1800
0 1 1 0
$EndComp
Wire Bus Line
1850 4450 650 4450
Text Label 5800 4600 2 50 ~ 0
R~W~
Text Label 5800 4400 2 50 ~ 0
ENRD
Text Label 5800 4800 2 50 ~ 0
ENWR
Text Label 5200 5000 2 50 ~ 0
R~W~
Text Label 5800 5600 2 50 ~ 0
A13
Text Label 5800 5800 2 50 ~ 0
A12
Wire Wire Line
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Wire Wire Line
6400 5600 6400 5700
Wire Wire Line
6400 4500 6400 4600
Wire Wire Line
6400 4800 6400 4900
Wire Wire Line
7000 4700 7000 5000
Wire Wire Line
7000 5200 7000 5500
Text Label 7600 5100 0 50 ~ 0
INHOE
Text Label 5800 6300 2 50 ~ 0
PHI0
$Comp
L power:+5V #PWR0113
U 1 1 61B3A3D0
P 8650 5100
F 0 "#PWR0113" H 8650 4950 50 0001 C CNN
F 1 "+5V" H 8650 5250 50 0000 C CNN
F 2 "" H 8650 5100 50 0001 C CNN
F 3 "" H 8650 5100 50 0001 C CNN
1 8650 5100
1 0 0 -1
$EndComp
Text Label 7100 6200 0 50 ~ 0
R~CS~
Wire Wire Line
6400 6200 6500 6200
$Comp
L Device:R_Small R1
U 1 1 5E6C502A
P 8650 5200
F 0 "R1" H 8709 5246 50 0000 L CNN
F 1 "3k3" H 8709 5155 50 0000 L CNN
F 2 "stdpads:R_0805" H 8650 5200 50 0001 C CNN
F 3 "~" H 8650 5200 50 0001 C CNN
F 4 "C26010" H 8650 5200 50 0001 C CNN "LCSC Part"
1 8650 5200
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 4 1 61A79955
P 6100 5700
F 0 "U10" H 6100 5700 50 0000 C CNN
F 1 "74HCT32PW" H 6100 5900 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 5700 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6100 5700 50 0001 C CNN
F 4 "C132266" H 6100 5700 50 0001 C CNN "LCSC Part"
4 6100 5700
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 3 1 61A941F5
P 6700 4700
F 0 "U10" H 6700 4700 50 0000 C CNN
F 1 "74HCT32PW" H 6700 4900 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6700 4700 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6700 4700 50 0001 C CNN
F 4 "C132266" H 6700 4700 50 0001 C CNN "LCSC Part"
3 6700 4700
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 3 1 61AA432E
P 7300 5100
F 0 "U9" H 7300 5100 50 0000 C CNN
F 1 "74HCT08PW" H 7300 5300 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 7300 5100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 7300 5100 50 0001 C CNN
F 4 "C8181" H 7300 5100 50 0001 C CNN "LCSC Part"
3 7300 5100
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 1 1 61A83C83
P 6700 5500
F 0 "U9" H 6700 5500 50 0000 C CNN
F 1 "74HCT08PW" H 6700 5700 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6700 5500 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 5500 50 0001 C CNN
F 4 "C8181" H 6700 5500 50 0001 C CNN "LCSC Part"
1 6700 5500
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U8
U 4 1 61A70000
P 6100 5300
F 0 "U8" H 6100 5300 50 0000 C CNN
F 1 "74HCT08PW" H 6100 5500 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 5300 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 5300 50 0001 C CNN
F 4 "C8181" H 6100 5300 50 0001 C CNN "LCSC Part"
4 6100 5300
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 4 1 61A65C14
P 6100 4500
F 0 "U9" H 6100 4500 50 0000 C CNN
F 1 "74HCT08PW" H 6100 4700 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 4500 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 4500 50 0001 C CNN
F 4 "C8181" H 6100 4500 50 0001 C CNN "LCSC Part"
4 6100 4500
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0126
U 1 1 61DE1282
P 7800 5300
F 0 "#PWR0126" H 7800 5050 50 0001 C CNN
F 1 "GND" H 7800 5150 50 0000 C CNN
F 2 "" H 7800 5300 50 0001 C CNN
F 3 "" H 7800 5300 50 0001 C CNN
1 7800 5300
1 0 0 -1
$EndComp
Wire Wire Line
8650 5300 8600 5300
$Comp
L GW_Logic:741G126GW U11
U 1 1 61E07386
P 8200 5200
F 0 "U11" H 8200 5200 50 0000 C CNN
F 1 "74AHCT1G126GW" H 8200 4950 50 0000 C CNN
F 2 "stdpads:SOT-353" H 8200 4900 50 0001 C TNN
F 3 "" H 8200 5000 60 0001 C CNN
F 4 "C7485" H 8200 5200 50 0001 C CNN "LCSC Part"
1 8200 5200
1 0 0 -1
$EndComp
Wire Wire Line
8600 5100 8650 5100
Connection ~ 8650 5100
Wire Wire Line
7800 5300 7800 5200
Connection ~ 7800 5300
Wire Wire Line
7800 5100 7600 5100
Text Label 7850 6050 2 50 ~ 0
INHOE
Text Label 5800 5200 2 50 ~ 0
A14
Text Label 5800 5400 2 50 ~ 0
A15
$Comp
L 74xx:74LS04 U5
U 6 1 61A7839B
P 5500 5000
F 0 "U5" H 5450 5000 50 0000 C CNN
F 1 "74HCT04PW" H 5500 5200 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 5500 5000 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 5500 5000 50 0001 C CNN
F 4 "C131317" H 5500 5000 50 0001 C CNN "LCSC Part"
6 5500 5000
1 0 0 -1
$EndComp
Text Label 5800 3900 2 50 ~ 0
A13
Text Label 5800 4100 2 50 ~ 0
A12
Text Label 7800 3750 2 50 ~ 0
~DEVSEL~
Text Label 8800 2950 2 50 ~ 0
A0
Text Label 8800 2850 2 50 ~ 0
~A0XOR1~
Text Label 8400 3050 0 50 ~ 0
ENWR1A0
Text Label 7800 3050 2 50 ~ 0
ENWR1
Text Label 7800 3250 2 50 ~ 0
A0
Wire Wire Line
8400 3050 8800 3050
$Comp
L 74xx:74LS08 U6
U 4 1 619D9080
P 8100 3150
F 0 "U6" H 8100 3150 50 0000 C CNN
F 1 "74HCT08PW" H 8100 3350 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 8100 3150 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8100 3150 50 0001 C CNN
F 4 "C8181" H 8100 3150 50 0001 C CNN "LCSC Part"
4 8100 3150
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 1 1 61B525ED
P 8100 2750
F 0 "U10" H 8100 2750 50 0000 C CNN
F 1 "74HCT32PW" H 8100 2950 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 8100 2750 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 8100 2750 50 0001 C CNN
F 4 "C132266" H 8100 2750 50 0001 C CNN "LCSC Part"
1 8100 2750
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U6
U 2 1 61B5B3A5
P 7500 2850
F 0 "U6" H 7500 2850 50 0000 C CNN
F 1 "74HCT08PW" H 7500 3050 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 7500 2850 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 7500 2850 50 0001 C CNN
F 4 "C8181" H 7500 2850 50 0001 C CNN "LCSC Part"
2 7500 2850
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U6
U 1 1 61B54EF4
P 7500 2450
F 0 "U6" H 7500 2450 50 0000 C CNN
F 1 "74HCT08PW" H 7500 2650 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 7500 2450 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 7500 2450 50 0001 C CNN
F 4 "C8181" H 7500 2450 50 0001 C CNN "LCSC Part"
1 7500 2450
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 2 1 61B5C2F6
P 6900 2550
F 0 "U5" H 6850 2550 50 0000 C CNN
F 1 "74HCT04PW" H 6900 2750 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6900 2550 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 6900 2550 50 0001 C CNN
F 4 "C131317" H 6900 2550 50 0001 C CNN "LCSC Part"
2 6900 2550
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 1 1 61B62B56
P 6900 2150
F 0 "U5" H 6850 2150 50 0000 C CNN
F 1 "74HCT04PW" H 6900 2350 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6900 2150 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 6900 2150 50 0001 C CNN
F 4 "C131317" H 6900 2150 50 0001 C CNN "LCSC Part"
1 6900 2150
1 0 0 -1
$EndComp
Text Label 6600 2550 2 50 ~ 0
A1
Text Label 6600 2150 2 50 ~ 0
A0
Text Label 7200 2950 2 50 ~ 0
A1
Text Label 7200 2750 2 50 ~ 0
A0
Text Label 7800 3550 2 50 ~ 0
A2
Wire Wire Line
7800 2450 7800 2650
Wire Wire Line
8400 2850 8800 2850
Text Label 9800 2750 0 50 ~ 0
BankAB
Text Label 9800 2950 0 50 ~ 0
ENWR1
Text Label 9800 2850 0 50 ~ 0
ENRD
Text Label 9800 3050 0 50 ~ 0
ENWR
$Comp
L power:+5V #PWR0119
U 1 1 61D326E3
P 9300 2450
F 0 "#PWR0119" H 9300 2300 50 0001 C CNN
F 1 "+5V" H 9300 2600 50 0000 C CNN
F 2 "" H 9300 2450 50 0001 C CNN
F 3 "" H 9300 2450 50 0001 C CNN
1 9300 2450
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U8
U 1 1 61A43FF7
P 6100 3600
F 0 "U8" H 6100 3600 50 0000 C CNN
F 1 "74HCT08PW" H 6100 3800 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 3600 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 3600 50 0001 C CNN
F 4 "C8181" H 6100 3600 50 0001 C CNN "LCSC Part"
1 6100 3600
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 2 1 61A4204D
P 6700 3800
F 0 "U10" H 6700 3800 50 0000 C CNN
F 1 "74HCT32PW" H 6700 4000 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6700 3800 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6700 3800 50 0001 C CNN
F 4 "C132266" H 6700 3800 50 0001 C CNN "LCSC Part"
2 6700 3800
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 4 1 61A5ADDA
P 5500 3500
F 0 "U5" H 5450 3500 50 0000 C CNN
F 1 "74HCT04PW" H 5500 3700 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 5500 3500 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 5500 3500 50 0001 C CNN
F 4 "C131317" H 5500 3500 50 0001 C CNN "LCSC Part"
4 5500 3500
1 0 0 -1
$EndComp
Text Label 5800 3700 2 50 ~ 0
BankAB
Text Label 5200 3500 2 50 ~ 0
A13
Wire Wire Line
6400 3700 6400 3600
Wire Wire Line
6400 3900 6400 4000
Text Label 7000 3800 0 50 ~ 0
RA12
$Comp
L 74xx:74LS273 U3
U 1 1 5FA968ED
P 9300 3250
F 0 "U3" H 9300 3550 50 0000 C CNN
F 1 "74HCT273PW" V 9300 3250 50 0000 C CNN
F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 9300 3250 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS273" H 9300 3250 50 0001 C CNN
F 4 "C5983" H 9300 3250 50 0001 C CNN "LCSC Part"
1 9300 3250
1 0 0 -1
$EndComp
Text Label 8800 3650 2 50 ~ 0
~A2~clk
Wire Wire Line
8800 3650 8400 3650
Text Label 8800 3750 2 50 ~ 0
~RES~
$Comp
L power:GND #PWR0115
U 1 1 61D2A2FE
P 9300 4050
F 0 "#PWR0115" H 9300 3800 50 0001 C CNN
F 1 "GND" H 9300 3900 50 0000 C CNN
F 2 "" H 9300 4050 50 0001 C CNN
F 3 "" H 9300 4050 50 0001 C CNN
1 9300 4050
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 5FB82124
P 8650 3150
F 0 "#PWR0125" H 8650 2900 50 0001 C CNN
F 1 "GND" H 8650 3000 50 0000 C CNN
F 2 "" H 8650 3150 50 0001 C CNN
F 3 "" H 8650 3150 50 0001 C CNN
1 8650 3150
1 0 0 -1
$EndComp
Wire Wire Line
8800 3250 8750 3250
Wire Wire Line
8800 3450 8750 3450
Wire Wire Line
8750 3450 8750 3350
Connection ~ 8750 3250
Wire Wire Line
8800 3350 8750 3350
Connection ~ 8750 3350
Wire Wire Line
8750 3350 8750 3250
Wire Wire Line
8650 3150 8750 3150
$Comp
L 74xx:74LS08 U8
U 2 1 61A46228
P 6100 4000
F 0 "U8" H 6100 4000 50 0000 C CNN
F 1 "74HCT08PW" H 6100 4200 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 4000 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 4000 50 0001 C CNN
F 4 "C8181" H 6100 4000 50 0001 C CNN "LCSC Part"
2 6100 4000
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U8
U 3 1 61A685E7
P 6100 4900
F 0 "U8" H 6100 4900 50 0000 C CNN
F 1 "74HCT08PW" H 6100 5100 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 4900 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 4900 50 0001 C CNN
F 4 "C8181" H 6100 4900 50 0001 C CNN "LCSC Part"
3 6100 4900
1 0 0 -1
$EndComp
Wire Wire Line
8400 3050 8400 3150
Wire Wire Line
8800 3150 8750 3150
Wire Wire Line
8750 3150 8750 3250
Connection ~ 8750 3150
NoConn ~ 9800 3150
NoConn ~ 9800 3250
NoConn ~ 9800 3350
NoConn ~ 9800 3450
Wire Wire Line
8400 2750 8400 2850
Text Label 8800 2750 2 50 ~ 0
A3
$Comp
L Device:C_Small C12
U 1 1 5E8640A9
P 3950 6850
F 0 "C12" H 4000 6900 50 0000 L CNN
F 1 "10u" H 4000 6800 50 0000 L CNN
F 2 "stdpads:C_0805" H 3950 6850 50 0001 C CNN
F 3 "~" H 3950 6850 50 0001 C CNN
F 4 "C15850" H 3950 6850 50 0001 C CNN "LCSC Part"
1 3950 6850
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C1
U 1 1 5D136B08
P 4750 6850
F 0 "C1" H 4800 6900 50 0000 L CNN
F 1 "2u2" H 4800 6800 50 0000 L CNN
F 2 "stdpads:C_0603" H 4750 6850 50 0001 C CNN
F 3 "~" H 4750 6850 50 0001 C CNN
F 4 "C23630" H 4750 6850 50 0001 C CNN "LCSC Part"
1 4750 6850
1 0 0 -1
$EndComp
Connection ~ 5950 7450
Connection ~ 4350 7250
Connection ~ 5950 6950
Wire Wire Line
3950 6950 4350 6950
$Comp
L Device:C_Small C11
U 1 1 5F64DEF7
P 4350 6850
F 0 "C11" H 4400 6900 50 0000 L CNN
F 1 "10u" H 4400 6800 50 0000 L CNN
F 2 "stdpads:C_0805" H 4350 6850 50 0001 C CNN
F 3 "~" H 4350 6850 50 0001 C CNN
F 4 "C15850" H 4350 6850 50 0001 C CNN "LCSC Part"
1 4350 6850
1 0 0 -1
$EndComp
Connection ~ 4350 6750
Connection ~ 4350 6950
Wire Wire Line
4350 6950 4750 6950
$Comp
L 74xx:74LS04 U5
U 5 1 61B3B06B
P 6800 6200
F 0 "U5" H 6750 6200 50 0000 C CNN
F 1 "74HCT04PW" H 6800 6400 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6800 6200 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 6800 6200 50 0001 C CNN
F 4 "C131317" H 6800 6200 50 0001 C CNN "LCSC Part"
5 6800 6200
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 2 1 61AB3A41
P 6100 6200
F 0 "U9" H 6100 6200 50 0000 C CNN
F 1 "74HCT08PW" H 6100 6400 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 6200 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 6200 50 0001 C CNN
F 4 "C8181" H 6100 6200 50 0001 C CNN "LCSC Part"
2 6100 6200
1 0 0 -1
$EndComp
Text Label 6500 6200 2 50 ~ 0
RCS
$Comp
L 74xx:74LS32 U7
U 2 2 5F7DF4EE
P 8100 3650
F 0 "U7" H 8100 3650 50 0000 C CNN
F 1 "74HCT32PW" H 8100 3850 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 8100 3650 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8100 3650 50 0001 C CNN
F 4 "C132266" H 8100 3650 50 0001 C CNN "LCSC Part"
2 8100 3650
1 0 0 -1
$EndComp
Wire Wire Line
7200 2150 7200 2350
Text Label 8000 2050 2 50 ~ 0
~DEVSEL~
$Comp
L 74xx:74LS32 U7
U 1 2 5F7DD697
P 8300 1950
F 0 "U7" H 8300 1950 50 0000 C CNN
F 1 "74HCT32PW" H 8300 2150 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 8300 1950 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8300 1950 50 0001 C CNN
F 4 "C132266" H 8300 1950 50 0001 C CNN "LCSC Part"
1 8300 1950
1 0 0 -1
$EndComp
NoConn ~ 10000 1750
NoConn ~ 10000 1650
NoConn ~ 10000 1550
NoConn ~ 10000 1450
NoConn ~ 10000 1350
Connection ~ 9000 1350
Wire Wire Line
8900 1350 9000 1350
$Comp
L power:GND #PWR0112
U 1 1 5FB6A7F4
P 8900 1350
F 0 "#PWR0112" H 8900 1100 50 0001 C CNN
F 1 "GND" H 8900 1200 50 0000 C CNN
F 2 "" H 8900 1350 50 0001 C CNN
F 3 "" H 8900 1350 50 0001 C CNN
1 8900 1350
1 0 0 -1
$EndComp
Wire Wire Line
9000 1650 9000 1750
Connection ~ 9000 1650
Wire Wire Line
9000 1550 9000 1650
Connection ~ 9000 1550
Wire Wire Line
9000 1450 9000 1550
Connection ~ 9000 1450
Wire Wire Line
9000 1350 9000 1450
$Comp
L 74xx:74LS273 U4
U 1 1 5FB03A58
P 9500 1550
F 0 "U4" H 9500 1850 50 0000 C CNN
F 1 "74HCT273PW" V 9500 1550 50 0000 C CNN
F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 9500 1550 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS273" H 9500 1550 50 0001 C CNN
F 4 "C5983" H 9500 1550 50 0001 C CNN "LCSC Part"
1 9500 1550
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS04 U5
U 3 1 619FD859
P 7700 1850
F 0 "U5" H 7650 1850 50 0000 C CNN
F 1 "74HCT04PW" H 7700 2050 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 7700 1850 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 7700 1850 50 0001 C CNN
F 4 "C131317" H 7700 1850 50 0001 C CNN "LCSC Part"
3 7700 1850
1 0 0 -1
$EndComp
Wire Wire Line
10200 1250 10000 1250
Wire Wire Line
10000 1150 10200 1150
Wire Wire Line
10200 1050 10000 1050
Text Label 10200 1050 2 50 ~ 0
RA14
Text Label 10200 1150 2 50 ~ 0
RA15
Text Label 10200 1250 2 50 ~ 0
RA16
Text Label 9000 2050 2 50 ~ 0
~RES~
Text Label 9000 1950 2 50 ~ 0
A2clk
Text Label 9000 1050 2 50 ~ 0
A0
Text Label 9000 1150 2 50 ~ 0
A1
Text Label 9000 1250 2 50 ~ 0
A3
Text Label 7400 1850 2 50 ~ 0
A2
Wire Wire Line
8600 1950 9000 1950
$Comp
L power:GND #PWR0116
U 1 1 61D2A77C
P 9500 2350
F 0 "#PWR0116" H 9500 2100 50 0001 C CNN
F 1 "GND" H 9500 2200 50 0000 C CNN
F 2 "" H 9500 2350 50 0001 C CNN
F 3 "" H 9500 2350 50 0001 C CNN
1 9500 2350
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0118
U 1 1 61D31F3A
P 9500 750
F 0 "#PWR0118" H 9500 600 50 0001 C CNN
F 1 "+5V" H 9500 900 50 0000 C CNN
F 2 "" H 9500 750 50 0001 C CNN
F 3 "" H 9500 750 50 0001 C CNN
1 9500 750
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole_Pad H5
U 1 1 5F924B0A
P 5550 7650
F 0 "H5" H 5650 7701 50 0000 L CNN
F 1 " " H 5650 7610 50 0000 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 5550 7650 50 0001 C CNN
F 3 "~" H 5550 7650 50 0001 C CNN
1 5550 7650
1 0 0 -1
$EndComp
Wire Wire Line
5550 7750 5250 7750
Connection ~ 5550 7750
Connection ~ 5250 7750
$Comp
L GW_Logic:74245 U2
U 1 1 5F96867C
P 2450 3100
F 0 "U2" H 2450 3700 50 0000 C CNN
F 1 "74HCT245PW" V 2450 3100 50 0000 C CNN
F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 2450 2450 50 0001 C TNN
F 3 "" H 2450 3200 60 0001 C CNN
F 4 "C426701" H 2450 3100 50 0001 C CNN "LCSC Part"
1 2450 3100
-1 0 0 -1
$EndComp
Text Label 3450 3850 2 50 ~ 0
R~W~
$Comp
L power:GND #PWR0104
U 1 1 5F97BBE4
P 2850 3550
F 0 "#PWR0104" H 2850 3300 50 0001 C CNN
F 1 "GND" H 2850 3400 50 0000 C CNN
F 2 "" H 2850 3550 50 0001 C CNN
F 3 "" H 2850 3550 50 0001 C CNN
1 2850 3550
1 0 0 -1
$EndComp
Text Label 2050 2750 2 50 ~ 0
R~CS~
$Comp
L power:+5V #PWR0105
U 1 1 5F984E2E
P 2050 2650
F 0 "#PWR0105" H 2050 2500 50 0001 C CNN
F 1 "+5V" H 2050 2800 50 0000 C CNN
F 2 "" H 2050 2650 50 0001 C CNN
F 3 "" H 2050 2650 50 0001 C CNN
1 2050 2650
1 0 0 -1
$EndComp
Wire Bus Line
4550 2200 1750 2200
$Comp
L 74xx:74LS08 U6
U 3 1 62D8945C
P 5500 6100
F 0 "U6" H 5500 6100 50 0000 C CNN
F 1 "74HCT08PW" H 5500 6300 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 5500 6100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 5500 6100 50 0001 C CNN
F 4 "C8181" H 5500 6100 50 0001 C CNN "LCSC Part"
3 5500 6100
1 0 0 -1
$EndComp
Text Label 5200 6200 2 50 ~ 0
DMAin
Text Label 9600 6250 0 50 ~ 0
DMAout
$Comp
L 74xx:74LS32 U7
U 3 2 62D952DF
P 8550 6150
F 0 "U7" H 8550 6150 50 0000 C CNN
F 1 "74HCT32PW" H 8550 6350 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 8550 6150 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 8550 6150 50 0001 C CNN
F 4 "C8181" H 8550 6150 50 0001 C CNN "LCSC Part"
3 8550 6150
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U7
U 4 2 62D9A4DE
P 9150 6250
F 0 "U7" H 9150 6250 50 0000 C CNN
F 1 "74HCT32PW" H 9150 6450 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 9150 6250 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 9150 6250 50 0001 C CNN
F 4 "C8181" H 9150 6250 50 0001 C CNN "LCSC Part"
4 9150 6250
1 0 0 -1
$EndComp
Connection ~ 8650 5300
Wire Wire Line
8650 5300 8950 5300
Text Label 8950 5300 2 50 ~ 0
~INH~
Text Label 5200 6000 2 50 ~ 0
INHOE
$Comp
L power:GND #PWR?
U 1 1 62DFF365
P 8850 6350
F 0 "#PWR?" H 8850 6100 50 0001 C CNN
F 1 "GND" H 8850 6200 50 0000 C CNN
F 2 "" H 8850 6350 50 0001 C CNN
F 3 "" H 8850 6350 50 0001 C CNN
1 8850 6350
1 0 0 -1
$EndComp
Text Label 7850 6250 2 50 ~ 0
DMAin
Wire Bus Line
3150 2650 3150 3350
Wire Bus Line
650 3500 650 4450
Wire Bus Line
1850 2950 1850 4450
Wire Bus Line
4550 2200 4550 4050
Wire Bus Line
1750 2200 1750 4000
$EndSCHEMATC
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