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
$Comp
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$EndComp
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$EndComp
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$EndComp
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$EndComp
$Comp
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$EndComp
$Comp
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$EndComp
$Comp
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$EndComp
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$EndComp
$Comp
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$EndComp
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$EndComp
$Comp
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$EndComp
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$EndComp
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$EndComp
$Comp
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$EndComp
$Comp
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$EndComp
$Comp
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$Comp
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$EndComp
$Comp
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$Comp
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$EndComp
$Comp
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$EndComp
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$Comp
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$EndComp
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1 5150 7350
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$EndComp
$Comp
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1 5550 7350
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$EndComp
$Comp
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$EndComp
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$Comp
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$EndComp
$Comp
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$EndComp
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$EndComp
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$Comp
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$Comp
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Text Label 1450 3600 0 50 ~ 0
A5
Text Label 1450 3500 0 50 ~ 0
A6
Text Label 1450 3400 0 50 ~ 0
A7
Text Label 1450 3300 0 50 ~ 0
A8
Text Label 1450 3200 0 50 ~ 0
A9
Text Label 1450 3100 0 50 ~ 0
A10
Text Label 1450 3000 0 50 ~ 0
A11
Text Label 1450 2900 0 50 ~ 0
A12
Text Label 1450 2800 0 50 ~ 0
A13
Text Label 1450 2700 0 50 ~ 0
A14
Text Label 1450 2600 0 50 ~ 0
A15
Text Label 1450 2500 0 50 ~ 0
R~W~
Text Label 1450 2400 0 50 ~ 0
VIDSYNC
Text Label 1450 2300 0 50 ~ 0
~IOSTRB~
Text Label 1450 2200 0 50 ~ 0
RDY
Text Label 1450 2100 0 50 ~ 0
DMA
Text Label 1450 2000 0 50 ~ 0
INTout
Text Label 1450 1900 0 50 ~ 0
DMAout
Text Label 950 1900 2 50 ~ 0
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
Text Label 950 2800 2 50 ~ 0
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~
Text Label 950 3400 2 50 ~ 0
D7
Text Label 950 3500 2 50 ~ 0
D6
Text Label 950 3600 2 50 ~ 0
D5
Text Label 950 3700 2 50 ~ 0
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 4000 2 50 ~ 0
R~W~
Text Label 5800 3800 2 50 ~ 0
ENRD
Text Label 5800 4200 2 50 ~ 0
ENWR
Text Label 4700 4300 2 50 ~ 0
R~W~
Text Label 5800 5000 2 50 ~ 0
A13
Text Label 5800 5200 2 50 ~ 0
A12
Wire Wire Line
6400 4700 6400 4800
Wire Wire Line
6400 5000 6400 5100
Wire Wire Line
6400 3900 6400 4000
Wire Wire Line
6400 4200 6400 4300
Wire Wire Line
7000 4100 7000 4400
Wire Wire Line
7000 4600 7000 4900
Text Label 7600 4500 0 50 ~ 0
INHOE
Text Label 5100 5600 2 50 ~ 0
PHI0
$Comp
L power:+5V #PWR0113
U 1 1 61B3A3D0
P 8650 4500
F 0 "#PWR0113" H 8650 4350 50 0001 C CNN
F 1 "+5V" H 8650 4650 50 0000 C CNN
F 2 "" H 8650 4500 50 0001 C CNN
F 3 "" H 8650 4500 50 0001 C CNN
1 8650 4500
1 0 0 -1
$EndComp
Text Label 7500 5600 0 50 ~ 0
R~CS~
$Comp
L Device:R_Small R1
U 1 1 5E6C502A
P 8650 4600
F 0 "R1" H 8709 4646 50 0000 L CNN
F 1 "3k3" H 8709 4555 50 0000 L CNN
F 2 "stdpads:R_0805" H 8650 4600 50 0001 C CNN
F 3 "~" H 8650 4600 50 0001 C CNN
F 4 "C26010" H 8650 4600 50 0001 C CNN "LCSC Part"
1 8650 4600
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 4 1 61A79955
P 6100 5100
F 0 "U10" H 6100 5100 50 0000 C CNN
F 1 "74AHCT32PW" H 6100 5300 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 5100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6100 5100 50 0001 C CNN
F 4 "C129435" H 6100 5100 50 0001 C CNN "LCSC Part"
4 6100 5100
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 3 1 61A941F5
P 6700 4100
F 0 "U10" H 6700 4100 50 0000 C CNN
F 1 "74AHCT32PW" H 6700 4300 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6700 4100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6700 4100 50 0001 C CNN
F 4 "C129435" H 6700 4100 50 0001 C CNN "LCSC Part"
3 6700 4100
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 3 1 61AA432E
P 7300 4500
F 0 "U9" H 7300 4500 50 0000 C CNN
F 1 "74AHCT08PW" H 7300 4700 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 7300 4500 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 7300 4500 50 0001 C CNN
F 4 "C155175" H 7300 4500 50 0001 C CNN "LCSC Part"
3 7300 4500
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 1 1 61A83C83
P 6700 4900
F 0 "U9" H 6700 4900 50 0000 C CNN
F 1 "74AHCT08PW" H 6700 5100 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6700 4900 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 4900 50 0001 C CNN
F 4 "C155175" H 6700 4900 50 0001 C CNN "LCSC Part"
1 6700 4900
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U9
U 4 1 61A65C14
P 6100 3900
F 0 "U9" H 6100 3900 50 0000 C CNN
F 1 "74AHCT08PW" H 6100 4100 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 3900 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 3900 50 0001 C CNN
F 4 "C155175" H 6100 3900 50 0001 C CNN "LCSC Part"
4 6100 3900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0126
U 1 1 61DE1282
P 7800 4700
F 0 "#PWR0126" H 7800 4450 50 0001 C CNN
F 1 "GND" H 7800 4550 50 0000 C CNN
F 2 "" H 7800 4700 50 0001 C CNN
F 3 "" H 7800 4700 50 0001 C CNN
1 7800 4700
1 0 0 -1
$EndComp
Wire Wire Line
8650 4700 8600 4700
$Comp
L GW_Logic:741G126GW U11
U 1 1 61E07386
P 8200 4600
F 0 "U11" H 8200 4600 50 0000 C CNN
F 1 "74AHCT1G126GW" H 8200 4350 50 0000 C CNN
F 2 "stdpads:SOT-353" H 8200 4300 50 0001 C TNN
F 3 "" H 8200 4400 60 0001 C CNN
F 4 "C7485" H 8200 4600 50 0001 C CNN "LCSC Part"
1 8200 4600
1 0 0 -1
$EndComp
Wire Wire Line
8600 4500 8650 4500
Connection ~ 8650 4500
Wire Wire Line
7800 4700 7800 4600
Connection ~ 7800 4700
Wire Wire Line
7800 4500 7600 4500
Text Label 5800 4800 2 50 ~ 0
A14
Text Label 5800 4600 2 50 ~ 0
A15
Text Label 5800 3500 2 50 ~ 0
A13
Text Label 5800 3300 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 3 1 619D9080
P 8100 3150
F 0 "U6" H 8100 3150 50 0000 C CNN
F 1 "74AHCT08PW" 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 "C155175" H 8100 3150 50 0001 C CNN "LCSC Part"
3 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 "74AHCT32PW" 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 "C129435" 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 "74AHCT08PW" 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 "C155175" 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 "74AHCT08PW" 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 "C155175" H 7500 2450 50 0001 C CNN "LCSC Part"
1 7500 2450
1 0 0 -1
$EndComp
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 2 1 61A43FF7
P 6100 3000
F 0 "U8" H 6100 3000 50 0000 C CNN
F 1 "74AHCT08PW" H 6100 3200 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 3000 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 3000 50 0001 C CNN
F 4 "C155175" H 6100 3000 50 0001 C CNN "LCSC Part"
2 6100 3000
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U10
U 2 1 61A4204D
P 6700 3200
F 0 "U10" H 6700 3200 50 0000 C CNN
F 1 "74AHCT32PW" H 6700 3400 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6700 3200 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6700 3200 50 0001 C CNN
F 4 "C129435" H 6700 3200 50 0001 C CNN "LCSC Part"
2 6700 3200
1 0 0 -1
$EndComp
Wire Wire Line
6400 3100 6400 3000
Wire Wire Line
6400 3300 6400 3400
Text Label 7000 3200 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 1 1 61A46228
P 6100 3400
F 0 "U8" H 6100 3400 50 0000 C CNN
F 1 "74AHCT08PW" H 6100 3600 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 3400 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 3400 50 0001 C CNN
F 4 "C155175" H 6100 3400 50 0001 C CNN "LCSC Part"
1 6100 3400
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS08 U8
U 3 1 61A685E7
P 6100 4300
F 0 "U8" H 6100 4300 50 0000 C CNN
F 1 "74AHCT08PW" H 6100 4500 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 4300 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 4300 50 0001 C CNN
F 4 "C155175" H 6100 4300 50 0001 C CNN "LCSC Part"
3 6100 4300
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:74LS08 U9
U 2 1 61AB3A41
P 6300 5600
F 0 "U9" H 6300 5600 50 0000 C CNN
F 1 "74AHCT08PW" H 6300 5800 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6300 5600 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6300 5600 50 0001 C CNN
F 4 "C155175" H 6300 5600 50 0001 C CNN "LCSC Part"
2 6300 5600
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U7
U 2 2 5F7DF4EE
P 8100 3650
F 0 "U7" H 8100 3650 50 0000 C CNN
F 1 "74AHCT32PW" 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/sn74LS32" H 8100 3650 50 0001 C CNN
F 4 "C129435" H 8100 3650 50 0001 C CNN "LCSC Part"
2 8100 3650
1 0 0 -1
$EndComp
Text Label 8200 2050 2 50 ~ 0
~DEVSEL~
$Comp
L 74xx:74LS32 U7
U 1 2 5F7DD697
P 8500 1950
F 0 "U7" H 8500 1950 50 0000 C CNN
F 1 "74AHCT32PW" H 8500 2150 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 8500 1950 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 8500 1950 50 0001 C CNN
F 4 "C129435" H 8500 1950 50 0001 C CNN "LCSC Part"
1 8500 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
Wire Wire Line
10200 1050 10000 1050
Wire Wire Line
10000 1150 10200 1150
Wire Wire Line
10200 1250 10000 1250
Text Label 10200 1250 2 50 ~ 0
RA14
Text Label 10200 1150 2 50 ~ 0
RA15
Text Label 10200 1050 2 50 ~ 0
RA16
Text Label 9000 2050 2 50 ~ 0
~RES~
Text Label 9000 1950 2 50 ~ 0
A2clk
Text Label 9000 1250 2 50 ~ 0
A0
Text Label 9000 1150 2 50 ~ 0
A1
Text Label 9000 1050 2 50 ~ 0
A3
Text Label 7400 1750 2 50 ~ 0
A2
$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 "C5980" 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
Text Label 5100 5700 2 50 ~ 0
DMAin
Text Label 7500 6100 0 50 ~ 0
DMAout
Connection ~ 8650 4700
Wire Wire Line
8650 4700 8950 4700
Text Label 8950 4700 2 50 ~ 0
~INH~
Text Label 5100 5400 2 50 ~ 0
INHOE
Text Label 4550 6000 2 50 ~ 0
DMAin
Text Label 5800 3100 2 50 ~ 0
BankAB
Wire Wire Line
5700 5500 5700 5900
$Comp
L 74xx:74LS08 U6
U 4 1 62D8945C
P 5400 5500
F 0 "U6" H 5400 5500 50 0000 C CNN
F 1 "74AHCT08PW" H 5400 5700 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 5400 5500 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 5400 5500 50 0001 C CNN
F 4 "C155175" H 5400 5500 50 0001 C CNN "LCSC Part"
4 5400 5500
1 0 0 -1
$EndComp
Wire Wire Line
5700 5500 6000 5500
Connection ~ 5700 5500
$Comp
L 74xx:74LS32 U7
U 3 2 62D952DF
P 6300 6000
F 0 "U7" H 6300 6000 50 0000 C CNN
F 1 "74AHCT32PW" H 6300 6200 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6300 6000 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6300 6000 50 0001 C CNN
F 4 "C129435" H 6300 6000 50 0001 C CNN "LCSC Part"
3 6300 6000
1 0 0 -1
$EndComp
$Comp
L Device:Jumper_NC_Small JP1
U 1 1 5FA9DE46
P 5800 5900
F 0 "JP1" H 5800 5850 50 0000 C TNN
F 1 "D" H 5800 5750 50 0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm" H 5800 5900 50 0001 C CNN
F 3 "~" H 5800 5900 50 0001 C CNN
1 5800 5900
1 0 0 -1
$EndComp
Wire Wire Line
5100 5700 6000 5700
$Comp
L Device:R_Small R2
U 1 1 5FB1D703
P 5950 6300
F 0 "R2" H 6009 6346 50 0000 L CNN
F 1 "3k3" H 6009 6255 50 0000 L CNN
F 2 "stdpads:R_0805" H 5950 6300 50 0001 C CNN
F 3 "~" H 5950 6300 50 0001 C CNN
F 4 "C26010" H 5950 6300 50 0001 C CNN "LCSC Part"
1 5950 6300
1 0 0 -1
$EndComp
Wire Wire Line
5950 5900 5950 6200
$Comp
L power:GND #PWR0123
U 1 1 5FB31C47
P 5950 6400
F 0 "#PWR0123" H 5950 6150 50 0001 C CNN
F 1 "GND" H 5950 6250 50 0000 C CNN
F 2 "" H 5950 6400 50 0001 C CNN
F 3 "" H 5950 6400 50 0001 C CNN
1 5950 6400
1 0 0 -1
$EndComp
Wire Wire Line
5900 5900 5950 5900
Wire Wire Line
5950 5900 6000 5900
Connection ~ 5950 5900
$Comp
L GW_Logic:741G04GW U15
U 1 1 5FB80274
P 5400 2800
F 0 "U15" H 5400 3167 50 0000 C CNN
F 1 "741G04GW" H 5400 3076 50 0000 C CNN
F 2 "stdpads:SOT-353" H 5400 2500 50 0001 C TNN
F 3 "" H 5400 2600 60 0001 C CNN
F 4 "C148199" H 5400 2800 50 0001 C CNN "LCSC Part"
1 5400 2800
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0124
U 1 1 5FB8027A
P 5000 2900
F 0 "#PWR0124" H 5000 2650 50 0001 C CNN
F 1 "GND" H 5000 2750 50 0000 C CNN
F 2 "" H 5000 2900 50 0001 C CNN
F 3 "" H 5000 2900 50 0001 C CNN
1 5000 2900
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0127
U 1 1 5FB80280
P 5800 2700
F 0 "#PWR0127" H 5800 2550 50 0001 C CNN
F 1 "+5V" H 5800 2850 50 0000 C CNN
F 2 "" H 5800 2700 50 0001 C CNN
F 3 "" H 5800 2700 50 0001 C CNN
1 5800 2700
1 0 0 -1
$EndComp
Text Label 5000 2800 2 50 ~ 0
A13
$Comp
L GW_Logic:741G04GW U13
U 1 1 5FB92B54
P 6700 1850
F 0 "U13" H 6750 1850 50 0000 C CNN
F 1 "741G04GW" H 6700 1600 50 0000 C CNN
F 2 "stdpads:SOT-353" H 6700 1550 50 0001 C TNN
F 3 "" H 6700 1650 60 0001 C CNN
F 4 "C148199" H 6700 1850 50 0001 C CNN "LCSC Part"
1 6700 1850
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0129
U 1 1 5FB92B5A
P 6300 1950
F 0 "#PWR0129" H 6300 1700 50 0001 C CNN
F 1 "GND" H 6300 1800 50 0000 C CNN
F 2 "" H 6300 1950 50 0001 C CNN
F 3 "" H 6300 1950 50 0001 C CNN
1 6300 1950
1 0 0 -1
$EndComp
Text Label 6300 1850 2 50 ~ 0
A0
Wire Wire Line
7200 1950 7200 2350
$Comp
L power:GND #PWR0130
U 1 1 5FBD8B12
P 6300 2550
F 0 "#PWR0130" H 6300 2300 50 0001 C CNN
F 1 "GND" H 6300 2400 50 0000 C CNN
F 2 "" H 6300 2550 50 0001 C CNN
F 3 "" H 6300 2550 50 0001 C CNN
1 6300 2550
1 0 0 -1
$EndComp
Text Label 6300 2450 2 50 ~ 0
A1
$Comp
L power:+5V #PWR0131
U 1 1 5FBEAD2E
P 7100 1750
F 0 "#PWR0131" H 7100 1600 50 0001 C CNN
F 1 "+5V" H 7100 1900 50 0000 C CNN
F 2 "" H 7100 1750 50 0001 C CNN
F 3 "" H 7100 1750 50 0001 C CNN
1 7100 1750
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0133
U 1 1 5FBEB304
P 7100 2350
F 0 "#PWR0133" H 7100 2200 50 0001 C CNN
F 1 "+5V" H 7100 2500 50 0000 C CNN
F 2 "" H 7100 2350 50 0001 C CNN
F 3 "" H 7100 2350 50 0001 C CNN
1 7100 2350
1 0 0 -1
$EndComp
Wire Wire Line
7100 1950 7200 1950
Wire Wire Line
7200 2550 7100 2550
$Comp
L GW_Logic:741G04GW U20
U 1 1 5FC18E00
P 7100 6000
F 0 "U20" H 7150 6000 50 0000 C CNN
F 1 "741G04GW" H 7100 5750 50 0000 C CNN
F 2 "stdpads:SOT-353" H 7100 5700 50 0001 C TNN
F 3 "" H 7100 5800 60 0001 C CNN
F 4 "C148199" H 7100 6000 50 0001 C CNN "LCSC Part"
1 7100 6000
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 5FC18E06
P 6700 6100
F 0 "#PWR0136" H 6700 5850 50 0001 C CNN
F 1 "GND" H 6700 5950 50 0000 C CNN
F 2 "" H 6700 6100 50 0001 C CNN
F 3 "" H 6700 6100 50 0001 C CNN
1 6700 6100
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0137
U 1 1 5FC18E0C
P 7500 5900
F 0 "#PWR0137" H 7500 5750 50 0001 C CNN
F 1 "+5V" H 7500 6050 50 0000 C CNN
F 2 "" H 7500 5900 50 0001 C CNN
F 3 "" H 7500 5900 50 0001 C CNN
1 7500 5900
1 0 0 -1
$EndComp
$Comp
L GW_Logic:741G04GW U19
U 1 1 5FC35DDD
P 4950 6000
F 0 "U19" H 5000 6000 50 0000 C CNN
F 1 "741G04GW" H 4950 5750 50 0000 C CNN
F 2 "stdpads:SOT-353" H 4950 5700 50 0001 C TNN
F 3 "" H 4950 5800 60 0001 C CNN
F 4 "C148199" H 4950 6000 50 0001 C CNN "LCSC Part"
1 4950 6000
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0138
U 1 1 5FC35DE3
P 4550 6100
F 0 "#PWR0138" H 4550 5850 50 0001 C CNN
F 1 "GND" H 4550 5950 50 0000 C CNN
F 2 "" H 4550 6100 50 0001 C CNN
F 3 "" H 4550 6100 50 0001 C CNN
1 4550 6100
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0139
U 1 1 5FC35DE9
P 5350 5900
F 0 "#PWR0139" H 5350 5750 50 0001 C CNN
F 1 "+5V" H 5350 6050 50 0000 C CNN
F 2 "" H 5350 5900 50 0001 C CNN
F 3 "" H 5350 5900 50 0001 C CNN
1 5350 5900
1 0 0 -1
$EndComp
Wire Wire Line
8800 1950 9000 1950
$Comp
L GW_Logic:741G04GW U12
U 1 1 5FC8E893
P 7800 1750
F 0 "U12" H 7850 1750 50 0000 C CNN
F 1 "741G04GW" H 7800 2000 50 0000 C CNN
F 2 "stdpads:SOT-353" H 7800 1450 50 0001 C TNN
F 3 "" H 7800 1550 60 0001 C CNN
F 4 "C148199" H 7800 1750 50 0001 C CNN "LCSC Part"
1 7800 1750
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0140
U 1 1 5FC8E899
P 7400 1850
F 0 "#PWR0140" H 7400 1600 50 0001 C CNN
F 1 "GND" H 7400 1700 50 0000 C CNN
F 2 "" H 7400 1850 50 0001 C CNN
F 3 "" H 7400 1850 50 0001 C CNN
1 7400 1850
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0141
U 1 1 5FC8E89F
P 8200 1650
F 0 "#PWR0141" H 8200 1500 50 0001 C CNN
F 1 "+5V" H 8200 1800 50 0000 C CNN
F 2 "" H 8200 1650 50 0001 C CNN
F 3 "" H 8200 1650 50 0001 C CNN
1 8200 1650
1 0 0 -1
$EndComp
$Comp
L GW_Logic:741G04GW U16
U 1 1 5FC98278
P 5100 4300
F 0 "U16" H 5150 4300 50 0000 C CNN
F 1 "741G04GW" H 5100 4050 50 0000 C CNN
F 2 "stdpads:SOT-353" H 5100 4000 50 0001 C TNN
F 3 "" H 5100 4100 60 0001 C CNN
F 4 "C148199" H 5100 4300 50 0001 C CNN "LCSC Part"
1 5100 4300
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0142
U 1 1 5FC9827E
P 4700 4400
F 0 "#PWR0142" H 4700 4150 50 0001 C CNN
F 1 "GND" H 4700 4250 50 0000 C CNN
F 2 "" H 4700 4400 50 0001 C CNN
F 3 "" H 4700 4400 50 0001 C CNN
1 4700 4400
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0143
U 1 1 5FC98284
P 5500 4200
F 0 "#PWR0143" H 5500 4050 50 0001 C CNN
F 1 "+5V" H 5500 4350 50 0000 C CNN
F 2 "" H 5500 4200 50 0001 C CNN
F 3 "" H 5500 4200 50 0001 C CNN
1 5500 4200
1 0 0 -1
$EndComp
Wire Wire Line
5500 4400 5800 4400
$Comp
L GW_Logic:741G04GW U17
U 1 1 5FCCAC3E
P 7100 5500
F 0 "U17" H 7150 5500 50 0000 C CNN
F 1 "741G04GW" H 7100 5250 50 0000 C CNN
F 2 "stdpads:SOT-353" H 7100 5200 50 0001 C TNN
F 3 "" H 7100 5300 60 0001 C CNN
F 4 "C148199" H 7100 5500 50 0001 C CNN "LCSC Part"
1 7100 5500
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0144
U 1 1 5FCCAC44
P 6700 5600
F 0 "#PWR0144" H 6700 5350 50 0001 C CNN
F 1 "GND" H 6700 5450 50 0000 C CNN
F 2 "" H 6700 5600 50 0001 C CNN
F 3 "" H 6700 5600 50 0001 C CNN
1 6700 5600
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0145
U 1 1 5FCCAC4A
P 7500 5400
F 0 "#PWR0145" H 7500 5250 50 0001 C CNN
F 1 "+5V" H 7500 5550 50 0000 C CNN
F 2 "" H 7500 5400 50 0001 C CNN
F 3 "" H 7500 5400 50 0001 C CNN
1 7500 5400
1 0 0 -1
$EndComp
Wire Wire Line
6600 6000 6700 6000
Wire Wire Line
6700 5500 6600 5500
Wire Wire Line
6600 5500 6600 5600
$Comp
L Device:Jumper_NO_Small JP2
U 1 1 5FD23A23
P 5600 5900
F 0 "JP2" H 5600 5950 50 0000 C BNN
F 1 "D" H 5600 6050 50 0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 5600 5900 50 0001 C CNN
F 3 "~" H 5600 5900 50 0001 C CNN
1 5600 5900
1 0 0 1
$EndComp
Connection ~ 5700 5900
Wire Wire Line
5450 5800 5450 5900
Wire Wire Line
5450 5900 5500 5900
Text Label 5450 5800 0 50 ~ 0
INHOE
Wire Wire Line
5350 6100 6000 6100
Connection ~ 1100 6800
Text Label 4250 2550 0 50 ~ 0
A0
Text Label 4250 3150 0 50 ~ 0
A11
Entry Wire Line
4550 3050 4450 3150
$Comp
L GW_Logic:741G04GW U14
U 1 1 5FBD8B0C
P 6700 2450
F 0 "U14" H 6750 2450 50 0000 C CNN
F 1 "741G04GW" H 6700 2200 50 0000 C CNN
F 2 "stdpads:SOT-353" H 6700 2150 50 0001 C TNN
F 3 "" H 6700 2250 60 0001 C CNN
F 4 "C148199" H 6700 2450 50 0001 C CNN "LCSC Part"
1 6700 2450
1 0 0 -1
$EndComp
Text Label 7200 2950 2 50 ~ 0
A1
Text Label 7200 2750 2 50 ~ 0
A0
$Comp
L 74xx:74LS08 U8
U 4 1 61A70000
P 6100 4700
F 0 "U8" H 6100 4700 50 0000 C CNN
F 1 "74AHCT08PW" H 6100 4900 50 0000 C CNN
F 2 "stdpads:TSSOP-14_4.4x5mm_P0.65mm" H 6100 4700 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6100 4700 50 0001 C CNN
F 4 "C155175" H 6100 4700 50 0001 C CNN "LCSC Part"
4 6100 4700
1 0 0 -1
$EndComp
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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