bus_interface.sch

EESchema Schematic File Version 4
LIBS:isavideo-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 5
Title "ISA Bus Interface"
Date ""
Rev "2"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	2250 4400 2350 4400
Wire Wire Line
	2250 4400 2250 2300
Wire Wire Line
	2250 2300 2350 2300
Connection ~ 2250 4400
Wire Wire Line
	2250 2300 2250 1400
Wire Wire Line
	2250 1400 2350 1400
Connection ~ 2250 2300
$Comp
L power:GND #PWR022
U 1 1 600417AC
P 2250 4500
F 0 "#PWR022" H 2250 4250 50  0001 C CNN
F 1 "GND" H 2255 4327 50  0000 C CNN
F 2 "" H 2250 4500 50  0001 C CNN
F 3 "" H 2250 4500 50  0001 C CNN
	1    2250 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 1200 2150 1600
Wire Wire Line
	2150 1600 2350 1600
Wire Wire Line
	2150 1600 2150 4200
Wire Wire Line
	2150 4200 2350 4200
Connection ~ 2150 1600
Entry Wire Line
	4050 1500 4150 1400
Wire Wire Line
	4050 1500 3650 1500
Wire Wire Line
	3650 1600 4050 1600
Entry Wire Line
	4050 1600 4150 1500
Entry Wire Line
	4050 1700 4150 1600
Wire Wire Line
	4050 1700 3650 1700
Wire Wire Line
	3650 1800 4050 1800
Entry Wire Line
	4050 1800 4150 1700
Entry Wire Line
	4050 1900 4150 1800
Wire Wire Line
	4050 1900 3650 1900
Wire Wire Line
	3650 2000 4050 2000
Entry Wire Line
	4050 2000 4150 1900
Entry Wire Line
	4050 2100 4150 2000
Wire Wire Line
	4050 2100 3650 2100
Wire Wire Line
	3650 2200 4050 2200
Entry Wire Line
	4050 2200 4150 2100
Entry Wire Line
	4250 2500 4350 2400
Wire Wire Line
	4250 2500 3650 2500
Wire Wire Line
	3650 2600 4250 2600
Entry Wire Line
	4250 2600 4350 2500
Entry Wire Line
	4250 2700 4350 2600
Wire Wire Line
	4250 2700 3650 2700
Entry Wire Line
	4250 2800 4350 2700
Wire Wire Line
	4250 2900 3650 2900
Wire Wire Line
	3650 3000 4250 3000
Entry Wire Line
	4250 3000 4350 2900
Entry Wire Line
	4250 3100 4350 3000
Wire Wire Line
	4250 3100 3650 3100
Wire Wire Line
	3650 3200 4250 3200
Entry Wire Line
	4250 3200 4350 3100
Entry Wire Line
	4250 3300 4350 3200
Wire Wire Line
	4250 3300 3650 3300
Wire Wire Line
	3650 3400 4250 3400
Entry Wire Line
	4250 3400 4350 3300
Entry Wire Line
	4250 3500 4350 3400
Wire Wire Line
	4250 3500 3650 3500
Wire Wire Line
	3650 3600 4250 3600
Entry Wire Line
	4250 3600 4350 3500
Entry Wire Line
	4250 3700 4350 3600
Wire Wire Line
	4250 3700 3650 3700
Wire Wire Line
	3650 3800 4250 3800
Entry Wire Line
	4250 3800 4350 3700
Entry Wire Line
	4250 3900 4350 3800
Wire Wire Line
	4250 3900 3650 3900
Wire Wire Line
	3650 4000 4250 4000
Entry Wire Line
	4250 4000 4350 3900
Entry Wire Line
	4250 4100 4350 4000
Wire Wire Line
	4250 4100 3650 4100
Wire Wire Line
	3650 4200 4250 4200
Entry Wire Line
	4250 4200 4350 4100
Entry Wire Line
	4250 4300 4350 4200
Wire Wire Line
	4250 4300 3650 4300
Wire Wire Line
	3650 4400 4250 4400
Entry Wire Line
	4250 4400 4350 4300
Entry Wire Line
	4600 1450 4700 1550
Entry Wire Line
	4600 1550 4700 1650
Entry Wire Line
	4600 1650 4700 1750
Entry Wire Line
	4600 1750 4700 1850
Text Label 3950 1500 2    50   ~ 0
D7_5V
Text Label 3950 1600 2    50   ~ 0
D6_5V
Text Label 3950 1700 2    50   ~ 0
D5_5V
Text Label 3950 1800 2    50   ~ 0
D4_5V
Text Label 3950 1900 2    50   ~ 0
D3_5V
Text Label 3950 2000 2    50   ~ 0
D2_5V
Text Label 3950 2100 2    50   ~ 0
D1_5V
Text Label 3950 2200 2    50   ~ 0
D0_5V
Wire Wire Line
	2350 1500 1400 1500
Text Label 1450 1500 0    50   ~ 0
RESET_5V
Wire Wire Line
	3650 2400 3950 2400
Text Label 3950 2400 2    50   ~ 0
AEN_5V
Wire Wire Line
	3650 2300 3950 2300
Text Label 3950 2300 2    50   ~ 0
RDY_5V
NoConn ~ 3650 1400
Wire Wire Line
	2350 2100 1600 2100
Text Notes 750  2100 0    50   ~ 0
OD, AKA CARD_SLCTD
NoConn ~ 2350 3400
NoConn ~ 2350 3500
NoConn ~ 2350 3600
NoConn ~ 2350 3700
NoConn ~ 2350 3800
NoConn ~ 2350 3900
NoConn ~ 2350 4000
NoConn ~ 2350 3200
NoConn ~ 2350 3100
NoConn ~ 2350 3000
NoConn ~ 2350 2900
NoConn ~ 2350 2800
Text Notes 4000 2300 0    50   ~ 0
OD
Text Label 1600 2100 0    50   ~ 0
~0WS_5V
Wire Wire Line
	2350 4300 1450 4300
Text Label 1550 4300 0    50   ~ 0
OSC_14M318_5V
Wire Wire Line
	2350 3300 1450 3300
Text Label 1550 3300 0    50   ~ 0
BUSCLK_5V
Wire Wire Line
	2350 4100 1450 4100
Text Label 1550 4100 0    50   ~ 0
ALE_5V
NoConn ~ 2350 1900
Wire Wire Line
	1600 2700 2350 2700
Text Label 1600 2600 0    50   ~ 0
~IOW_5V
Text Label 1600 2700 0    50   ~ 0
~IOR_5V
Wire Wire Line
	2350 2400 1600 2400
Wire Wire Line
	2350 2500 1600 2500
Text Label 1600 2400 0    50   ~ 0
~SMEMW_5V
Text Label 1600 2500 0    50   ~ 0
~SMEMR_5V
Text Label 3950 2500 2    50   ~ 0
A19_5V
Text Label 3950 2600 2    50   ~ 0
A18_5V
Text Label 3950 2700 2    50   ~ 0
A17_5V
Text Label 3950 2800 2    50   ~ 0
A16_5V
Text Label 4900 1850 0    50   ~ 0
A19_5V
Text Label 4900 1750 0    50   ~ 0
A18_5V
Text Label 4900 1650 0    50   ~ 0
A17_5V
Text Label 4900 1550 0    50   ~ 0
A16_5V
Text Label 4900 2250 0    50   ~ 0
~SMEMW_5V
Text Label 4900 2150 0    50   ~ 0
~SMEMR_5V
Text Label 4900 2050 0    50   ~ 0
~IOW_5V
Text Label 4900 1950 0    50   ~ 0
~IOR_5V
Wire Wire Line
	5250 2350 5250 3450
$Comp
L power:GND #PWR023
U 1 1 6004182C
P 5250 3450
F 0 "#PWR023" H 5250 3200 50  0001 C CNN
F 1 "GND" H 5255 3277 50  0000 C CNN
F 2 "" H 5250 3450 50  0001 C CNN
F 3 "" H 5250 3450 50  0001 C CNN
	1    5250 3450
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR021
U 1 1 60041832
P 2150 1200
F 0 "#PWR021" H 2150 1050 50  0001 C CNN
F 1 "+5V" H 2165 1373 50  0000 C CNN
F 2 "" H 2150 1200 50  0001 C CNN
F 3 "" H 2150 1200 50  0001 C CNN
	1    2150 1200
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR025
U 1 1 60041838
P 5900 1150
F 0 "#PWR025" H 5900 1000 50  0001 C CNN
F 1 "+5V" H 5915 1323 50  0000 C CNN
F 2 "" H 5900 1150 50  0001 C CNN
F 3 "" H 5900 1150 50  0001 C CNN
	1    5900 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 1250 5900 1250
Wire Wire Line
	5900 1250 5900 1150
Connection ~ 5900 1250
$Comp
L power:GND #PWR029
U 1 1 60041841
P 6400 3700
F 0 "#PWR029" H 6400 3450 50  0001 C CNN
F 1 "GND" H 6405 3527 50  0000 C CNN
F 2 "" H 6400 3700 50  0001 C CNN
F 3 "" H 6400 3700 50  0001 C CNN
	1    6400 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 3650 5800 3650
Wire Wire Line
	6400 3650 6400 3700
Connection ~ 6400 3650
Connection ~ 6300 3650
Wire Wire Line
	6300 3650 6400 3650
Connection ~ 6200 3650
Wire Wire Line
	6200 3650 6300 3650
Connection ~ 6100 3650
Wire Wire Line
	6100 3650 6200 3650
Connection ~ 6000 3650
Wire Wire Line
	6000 3650 6100 3650
Connection ~ 5900 3650
Wire Wire Line
	5900 3650 6000 3650
Connection ~ 5800 3650
Wire Wire Line
	5800 3650 5900 3650
$Comp
L power:+3V3 #PWR027
U 1 1 60041856
P 6250 1150
F 0 "#PWR027" H 6250 1000 50  0001 C CNN
F 1 "+3V3" H 6265 1323 50  0000 C CNN
F 2 "" H 6250 1150 50  0001 C CNN
F 3 "" H 6250 1150 50  0001 C CNN
	1    6250 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6250 1150 6250 1250
Wire Wire Line
	6250 1250 6150 1250
Connection ~ 6250 1250
Wire Bus Line
	4750 1300 4150 1300
Wire Wire Line
	3650 2800 4250 2800
Wire Bus Line
	4350 1400 4600 1400
Entry Wire Line
	4250 2900 4350 2800
$Comp
L logic:74ALVC164245 U5
U 1 1 60041863
P 5450 4450
F 0 "U5" H 6350 4650 50  0000 C CNN
F 1 "74ALVC164245" H 6550 4550 50  0000 C CNN
F 2 "Active:TSSOP50P810X120-48" H 5600 4450 50  0001 C CNN
F 3 "" H 5600 4450 50  0001 C CNN
F 4 "771-74ALVC164245" H 0   0   50  0001 C CNN "Mouser"
	1    5450 4450
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR026
U 1 1 60041869
P 5900 4150
F 0 "#PWR026" H 5900 4000 50  0001 C CNN
F 1 "+5V" H 5915 4323 50  0000 C CNN
F 2 "" H 5900 4150 50  0001 C CNN
F 3 "" H 5900 4150 50  0001 C CNN
	1    5900 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 4250 5900 4250
Wire Wire Line
	5900 4250 5900 4350
Wire Wire Line
	6000 4250 6000 4350
Wire Wire Line
	5900 4250 5900 4150
Connection ~ 5900 4250
$Comp
L power:GND #PWR030
U 1 1 60041874
P 6400 6700
F 0 "#PWR030" H 6400 6450 50  0001 C CNN
F 1 "GND" H 6405 6527 50  0000 C CNN
F 2 "" H 6400 6700 50  0001 C CNN
F 3 "" H 6400 6700 50  0001 C CNN
	1    6400 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 6550 5700 6650
Wire Wire Line
	5700 6650 5800 6650
Wire Wire Line
	6400 6650 6400 6700
Wire Wire Line
	6400 6650 6400 6550
Connection ~ 6400 6650
Wire Wire Line
	6300 6550 6300 6650
Connection ~ 6300 6650
Wire Wire Line
	6300 6650 6400 6650
Wire Wire Line
	6200 6550 6200 6650
Connection ~ 6200 6650
Wire Wire Line
	6200 6650 6300 6650
Wire Wire Line
	6100 6550 6100 6650
Connection ~ 6100 6650
Wire Wire Line
	6100 6650 6200 6650
Wire Wire Line
	6000 6550 6000 6650
Connection ~ 6000 6650
Wire Wire Line
	6000 6650 6100 6650
Wire Wire Line
	5900 6550 5900 6650
Connection ~ 5900 6650
Wire Wire Line
	5900 6650 6000 6650
Wire Wire Line
	5800 6550 5800 6650
Connection ~ 5800 6650
Wire Wire Line
	5800 6650 5900 6650
$Comp
L power:+3V3 #PWR028
U 1 1 60041891
P 6250 4150
F 0 "#PWR028" H 6250 4000 50  0001 C CNN
F 1 "+3V3" H 6265 4323 50  0000 C CNN
F 2 "" H 6250 4150 50  0001 C CNN
F 3 "" H 6250 4150 50  0001 C CNN
	1    6250 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6250 4150 6250 4250
Wire Wire Line
	6250 4250 6150 4250
Wire Wire Line
	6150 4250 6150 4350
Connection ~ 6250 4250
Wire Wire Line
	6250 4250 6250 4350
Text Label 3950 2900 2    50   ~ 0
A15_5V
Text Label 3950 3000 2    50   ~ 0
A14_5V
Text Label 3950 3100 2    50   ~ 0
A13_5V
Text Label 3950 3200 2    50   ~ 0
A12_5V
Text Label 3950 3300 2    50   ~ 0
A11_5V
Text Label 3950 3400 2    50   ~ 0
A10_5V
Text Label 3950 3500 2    50   ~ 0
A9_5V
Text Label 3950 3600 2    50   ~ 0
A8_5V
Text Label 3950 3700 2    50   ~ 0
A7_5V
Text Label 3950 3800 2    50   ~ 0
A6_5V
Text Label 3950 3900 2    50   ~ 0
A5_5V
Text Label 3950 4000 2    50   ~ 0
A4_5V
Text Label 3950 4100 2    50   ~ 0
A3_5V
Text Label 3950 4200 2    50   ~ 0
A2_5V
Text Label 3950 4300 2    50   ~ 0
A1_5V
Text Label 3950 4400 2    50   ~ 0
A0_5V
Text Label 5000 4550 0    50   ~ 0
A0_5V
Text Label 5000 4650 0    50   ~ 0
A1_5V
Text Label 5000 4750 0    50   ~ 0
A2_5V
Text Label 5000 4850 0    50   ~ 0
A3_5V
Text Label 5000 4950 0    50   ~ 0
A4_5V
Text Label 5000 5050 0    50   ~ 0
A5_5V
Text Label 5000 5150 0    50   ~ 0
A6_5V
Text Label 5000 5250 0    50   ~ 0
A7_5V
Text Label 5000 5550 0    50   ~ 0
A8_5V
Text Label 5000 5650 0    50   ~ 0
A9_5V
Text Label 5000 5750 0    50   ~ 0
A10_5V
Text Label 5000 5850 0    50   ~ 0
A11_5V
Text Label 5000 5950 0    50   ~ 0
A12_5V
Text Label 5000 6050 0    50   ~ 0
A13_5V
Text Label 5000 6150 0    50   ~ 0
A14_5V
Text Label 5000 6250 0    50   ~ 0
A15_5V
Wire Wire Line
	5350 4550 4700 4550
Wire Wire Line
	5350 4650 4700 4650
Wire Wire Line
	5350 4750 4700 4750
Wire Wire Line
	5350 4850 4700 4850
Wire Wire Line
	5350 4950 4700 4950
Wire Wire Line
	5350 5050 4700 5050
Wire Wire Line
	5350 5150 4700 5150
Wire Wire Line
	5350 5250 4700 5250
Wire Wire Line
	5350 5550 4700 5550
Wire Wire Line
	5350 5650 4700 5650
Wire Wire Line
	5350 5750 4700 5750
Wire Wire Line
	5350 5850 4700 5850
Wire Wire Line
	5350 5950 4700 5950
Wire Wire Line
	5350 6050 4700 6050
Wire Wire Line
	5350 6150 4700 6150
Wire Wire Line
	5350 6250 4700 6250
Entry Wire Line
	4700 4550 4600 4450
Entry Wire Line
	4700 4650 4600 4550
Entry Wire Line
	4700 4750 4600 4650
Entry Wire Line
	4700 4850 4600 4750
Entry Wire Line
	4700 5050 4600 4950
Entry Wire Line
	4700 5150 4600 5050
Entry Wire Line
	4700 5250 4600 5150
Entry Wire Line
	4700 5750 4600 5650
Entry Wire Line
	4700 5850 4600 5750
Entry Wire Line
	4700 5950 4600 5850
Entry Wire Line
	4700 5550 4600 5450
Entry Wire Line
	4700 5650 4600 5550
Entry Wire Line
	4700 4950 4600 4850
Entry Wire Line
	4700 6050 4600 5950
Entry Wire Line
	4700 6150 4600 6050
Entry Wire Line
	4700 6250 4600 6150
Wire Wire Line
	5900 1250 5900 1350
Wire Wire Line
	6400 3650 6400 3550
Wire Wire Line
	6250 1250 6250 1350
Wire Wire Line
	5700 3550 5700 3650
Wire Wire Line
	6300 3550 6300 3650
Wire Wire Line
	6200 3550 6200 3650
Wire Wire Line
	6150 1250 6150 1350
Wire Wire Line
	6100 3550 6100 3650
Wire Wire Line
	6000 3550 6000 3650
Wire Wire Line
	5350 2250 4900 2250
Wire Wire Line
	6000 1250 6000 1350
Wire Wire Line
	5900 3550 5900 3650
Wire Wire Line
	5800 3550 5800 3650
Wire Wire Line
	5350 2350 5250 2350
Entry Wire Line
	4750 2450 4850 2550
Entry Wire Line
	4750 2550 4850 2650
Entry Wire Line
	4750 2650 4850 2750
Entry Wire Line
	4750 2750 4850 2850
Entry Wire Line
	4750 2850 4850 2950
Entry Wire Line
	4750 2950 4850 3050
Entry Wire Line
	4750 3050 4850 3150
Entry Wire Line
	4750 3150 4850 3250
$Comp
L logic:74ALVC164245 U4
U 1 1 600418F9
P 5450 1450
F 0 "U4" H 6350 1650 50  0000 C CNN
F 1 "74ALVC164245" H 6550 1550 50  0000 C CNN
F 2 "Active:TSSOP50P810X120-48" H 5600 1450 50  0001 C CNN
F 3 "" H 5600 1450 50  0001 C CNN
F 4 "771-74ALVC164245" H 0   0   50  0001 C CNN "Mouser"
	1    5450 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 2550 4850 2550
Wire Wire Line
	5350 2650 4850 2650
Wire Wire Line
	5350 2750 4850 2750
Wire Wire Line
	5350 2850 4850 2850
Wire Wire Line
	5350 2950 4850 2950
Wire Wire Line
	5350 3050 4850 3050
Wire Wire Line
	5350 3150 4850 3150
Wire Wire Line
	5350 3250 4850 3250
Text Label 4950 3250 0    50   ~ 0
D7_5V
Text Label 4950 3150 0    50   ~ 0
D6_5V
Text Label 4950 3050 0    50   ~ 0
D5_5V
Text Label 4950 2950 0    50   ~ 0
D4_5V
Text Label 4950 2850 0    50   ~ 0
D3_5V
Text Label 4950 2750 0    50   ~ 0
D2_5V
Text Label 4950 2650 0    50   ~ 0
D1_5V
Text Label 4950 2550 0    50   ~ 0
D0_5V
$Comp
L connectors:Conn_ISA_8bit J5
U 1 1 6004190F
P 2550 1300
F 0 "J5" H 3000 1467 50  0000 C CNN
F 1 "Conn_ISA_8bit" H 3000 1376 50  0000 C CNN
F 2 "Conn:BUS_PC_8BIT" H 3000 -1250 50  0001 C CNN
F 3 "" H 3000 -1250 50  0001 C CNN
	1    2550 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 4400 2250 4500
Wire Wire Line
	6750 1550 7650 1550
Wire Wire Line
	6750 1650 7650 1650
Entry Wire Line
	7650 1550 7750 1450
Entry Wire Line
	7650 1650 7750 1550
Entry Wire Line
	7650 1750 7750 1650
Entry Wire Line
	7650 1850 7750 1750
Wire Wire Line
	6750 1750 7650 1750
Wire Wire Line
	6750 1850 7650 1850
Wire Wire Line
	6750 2550 7200 2550
Wire Wire Line
	6750 2650 7200 2650
Entry Wire Line
	7200 2550 7300 2450
Entry Wire Line
	7200 2650 7300 2550
Entry Wire Line
	7200 2750 7300 2650
Entry Wire Line
	7200 2850 7300 2750
Entry Wire Line
	7200 2950 7300 2850
Wire Wire Line
	6750 2750 7200 2750
Wire Wire Line
	6750 2850 7200 2850
Wire Wire Line
	7200 2950 6750 2950
Wire Wire Line
	6750 3050 7200 3050
Entry Wire Line
	7200 3050 7300 2950
Entry Wire Line
	7200 3150 7300 3050
Entry Wire Line
	7200 3250 7300 3150
Wire Wire Line
	6750 3150 7200 3150
Wire Wire Line
	6750 3250 7200 3250
Wire Wire Line
	6750 5550 7650 5550
Wire Wire Line
	6750 5650 7650 5650
Entry Wire Line
	7650 5550 7750 5450
Entry Wire Line
	7650 5650 7750 5550
Entry Wire Line
	7650 5750 7750 5650
Entry Wire Line
	7650 5850 7750 5750
Entry Wire Line
	7650 5950 7750 5850
Wire Wire Line
	6750 5750 7650 5750
Wire Wire Line
	6750 5850 7650 5850
Wire Wire Line
	7650 5950 6750 5950
Wire Wire Line
	6750 6050 7650 6050
Entry Wire Line
	7650 6050 7750 5950
Entry Wire Line
	7650 6150 7750 6050
Entry Wire Line
	7650 6250 7750 6150
Wire Wire Line
	6750 6150 7650 6150
Wire Wire Line
	6750 6250 7650 6250
Wire Wire Line
	6750 4550 7650 4550
Wire Wire Line
	6750 4650 7650 4650
Entry Wire Line
	7650 4550 7750 4450
Entry Wire Line
	7650 4650 7750 4550
Entry Wire Line
	7650 4750 7750 4650
Entry Wire Line
	7650 4850 7750 4750
Entry Wire Line
	7650 4950 7750 4850
Wire Wire Line
	6750 4750 7650 4750
Wire Wire Line
	6750 4850 7650 4850
Wire Wire Line
	7650 4950 6750 4950
Wire Wire Line
	6750 5050 7650 5050
Entry Wire Line
	7650 5050 7750 4950
Entry Wire Line
	7650 5150 7750 5050
Entry Wire Line
	7650 5250 7750 5150
Wire Wire Line
	6750 5150 7650 5150
Wire Wire Line
	6750 5250 7650 5250
Wire Bus Line
	7750 1300 8900 1300
Text HLabel 8900 1300 2    50   Output ~ 0
A[0..19]
Text Label 7350 4550 0    50   ~ 0
A0
Text Label 7350 4650 0    50   ~ 0
A1
Text Label 7350 4750 0    50   ~ 0
A2
Text Label 7350 4850 0    50   ~ 0
A3
Text Label 7350 4950 0    50   ~ 0
A4
Text Label 7350 5050 0    50   ~ 0
A5
Text Label 7350 5150 0    50   ~ 0
A6
Text Label 7350 5250 0    50   ~ 0
A7
Text Label 7350 5550 0    50   ~ 0
A8
Text Label 7350 5650 0    50   ~ 0
A9
Text Label 7350 5750 0    50   ~ 0
A10
Text Label 7350 5850 0    50   ~ 0
A11
Text Label 7350 5950 0    50   ~ 0
A12
Text Label 7350 6050 0    50   ~ 0
A13
Text Label 7350 6150 0    50   ~ 0
A14
Text Label 7350 6250 0    50   ~ 0
A15
Text Label 7450 1550 0    50   ~ 0
A16
Text Label 7450 1650 0    50   ~ 0
A17
Text Label 7450 1750 0    50   ~ 0
A18
Text Label 7450 1850 0    50   ~ 0
A19
Text Label 7000 2550 0    50   ~ 0
D0
Text Label 7000 2650 0    50   ~ 0
D1
Text Label 7000 2750 0    50   ~ 0
D2
Text Label 7000 2850 0    50   ~ 0
D3
Text Label 7000 2950 0    50   ~ 0
D4
Text Label 7000 3050 0    50   ~ 0
D5
Text Label 7000 3150 0    50   ~ 0
D6
Text Label 7000 3250 0    50   ~ 0
D7
Wire Bus Line
	7300 2450 8900 2450
Text HLabel 8900 2450 2    50   BiDi ~ 0
D[0..7]
Wire Wire Line
	1600 2600 2350 2600
Wire Wire Line
	6750 2250 7300 2250
Text HLabel 7300 2250 2    50   Output ~ 0
~SMEMW
Wire Wire Line
	6750 2150 7300 2150
Wire Wire Line
	6750 2050 7300 2050
Wire Wire Line
	6750 1950 7300 1950
Text HLabel 7300 2150 2    50   Output ~ 0
~SMEMR
Text HLabel 7300 2050 2    50   Output ~ 0
~IOW
Text HLabel 7300 1950 2    50   Output ~ 0
~IOR
Text HLabel 1400 1500 0    50   Output ~ 0
RESET_5V
Text HLabel 1450 3300 0    50   Output ~ 0
BUSCLK_5V
Text HLabel 1450 4100 0    50   Output ~ 0
ALE_5V
Text HLabel 1450 4300 0    50   Output ~ 0
OSC_14M318_5V
Text HLabel 3950 2400 2    50   Output ~ 0
AEN_5V
Wire Wire Line
	5350 3350 5350 3900
Wire Wire Line
	5350 3900 8700 3900
Wire Wire Line
	5350 5350 5300 5350
Wire Wire Line
	5300 5350 5300 6350
Wire Wire Line
	5350 6350 5300 6350
Connection ~ 5300 6350
Wire Wire Line
	5300 6350 5300 6650
$Comp
L power:GND #PWR024
U 1 1 60140DE0
P 5300 6650
F 0 "#PWR024" H 5300 6400 50  0001 C CNN
F 1 "GND" H 5305 6477 50  0000 C CNN
F 2 "" H 5300 6650 50  0001 C CNN
F 3 "" H 5300 6650 50  0001 C CNN
	1    5300 6650
	1    0    0    -1  
$EndComp
Text HLabel 8850 3900 2    50   Input ~ 0
DATA_DIR
Text HLabel 10350 5250 2    50   Input ~ 0
RDY
Text HLabel 10350 6150 2    50   Input ~ 0
~0WS
Wire Wire Line
	6750 2350 6850 2350
Wire Wire Line
	6850 2350 6850 3350
$Comp
L power:GND #PWR031
U 1 1 6055A09F
P 6850 3450
F 0 "#PWR031" H 6850 3200 50  0001 C CNN
F 1 "GND" H 6855 3277 50  0000 C CNN
F 2 "" H 6850 3450 50  0001 C CNN
F 3 "" H 6850 3450 50  0001 C CNN
	1    6850 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R14
U 1 1 6056E1E4
P 10150 4950
F 0 "R14" H 10218 4996 50  0000 L CNN
F 1 "10K" H 10218 4905 50  0000 L CNN
F 2 "Passive:RESC1608X55" H 10150 4950 50  0001 C CNN
F 3 "~" H 10150 4950 50  0001 C CNN
F 4 "603-RC0603FR-0710KL" H 1350 0   50  0001 C CNN "Mouser"
	1    10150 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 4000 8700 3900
Connection ~ 8700 3900
Wire Wire Line
	8700 3900 8850 3900
Wire Wire Line
	6750 3350 6850 3350
Connection ~ 6850 3350
Wire Wire Line
	6850 3350 6850 3450
Wire Wire Line
	6750 5350 6850 5350
Wire Wire Line
	6850 5350 6850 6350
Wire Wire Line
	6850 6350 6750 6350
Wire Wire Line
	6850 6350 6850 6650
Connection ~ 6850 6350
$Comp
L power:GND #PWR032
U 1 1 605AB70D
P 6850 6650
F 0 "#PWR032" H 6850 6400 50  0001 C CNN
F 1 "GND" H 6855 6477 50  0000 C CNN
F 2 "" H 6850 6650 50  0001 C CNN
F 3 "" H 6850 6650 50  0001 C CNN
	1    6850 6650
	1    0    0    -1  
$EndComp
Text Label 8950 4950 0    50   ~ 0
RDY_5V
$Comp
L Device:R_Small_US R15
U 1 1 6061D773
P 10150 5850
F 0 "R15" H 10218 5896 50  0000 L CNN
F 1 "10K" H 10218 5805 50  0000 L CNN
F 2 "Passive:RESC1608X55" H 10150 5850 50  0001 C CNN
F 3 "~" H 10150 5850 50  0001 C CNN
F 4 "603-RC0603FR-0710KL" H 1350 -150 50  0001 C CNN "Mouser"
	1    10150 5850
	1    0    0    -1  
$EndComp
Wire Wire Line
	9300 5850 8950 5850
Text Label 8950 5850 0    50   ~ 0
~0WS_5V
$Comp
L Device:R_Small_US R13
U 1 1 6063C08E
P 8700 4100
F 0 "R13" H 8768 4146 50  0000 L CNN
F 1 "1K" H 8768 4055 50  0000 L CNN
F 2 "Passive:RESC1608X55" H 8700 4100 50  0001 C CNN
F 3 "~" H 8700 4100 50  0001 C CNN
F 4 "603-RC0603FR-071KL" H 0   0   50  0001 C CNN "Mouser"
	1    8700 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 4200 8700 4250
$Comp
L power:GND #PWR035
U 1 1 6063CAA4
P 8700 4250
F 0 "#PWR035" H 8700 4000 50  0001 C CNN
F 1 "GND" H 8705 4077 50  0000 C CNN
F 2 "" H 8700 4250 50  0001 C CNN
F 3 "" H 8700 4250 50  0001 C CNN
	1    8700 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 2150 4900 2150
Wire Wire Line
	5350 2050 4900 2050
Wire Wire Line
	4900 1950 5350 1950
Wire Wire Line
	5350 1850 4700 1850
Wire Wire Line
	4700 1750 5350 1750
Wire Wire Line
	5350 1650 4700 1650
Wire Wire Line
	4700 1550 5350 1550
$Comp
L Device:C_Small C?
U 1 1 61561F7A
P 2350 6100
AR Path="/61561F7A" Ref="C?"  Part="1" 
AR Path="/6043556F/61561F7A" Ref="C?"  Part="1" 
AR Path="/5FFFC5DE/61561F7A" Ref="C23"  Part="1" 
F 0 "C23" H 2442 6146 50  0000 L CNN
F 1 "1u" H 2442 6055 50  0000 L CNN
F 2 "Passive:CAPC1608X100" H 2350 6100 50  0001 C CNN
F 3 "~" H 2350 6100 50  0001 C CNN
F 4 "810-CGA3E1X7R1C105AC" H -1650 -1100 50  0001 C CNN "Mouser"
	1    2350 6100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 61561F80
P 2700 6100
AR Path="/61561F80" Ref="C?"  Part="1" 
AR Path="/6043556F/61561F80" Ref="C?"  Part="1" 
AR Path="/5FFFC5DE/61561F80" Ref="C24"  Part="1" 
F 0 "C24" H 2792 6146 50  0000 L CNN
F 1 "1u" H 2792 6055 50  0000 L CNN
F 2 "Passive:CAPC1608X100" H 2700 6100 50  0001 C CNN
F 3 "~" H 2700 6100 50  0001 C CNN
F 4 "810-CGA3E1X7R1C105AC" H -1550 -1100 50  0001 C CNN "Mouser"
	1    2700 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 6200 2350 6250
Wire Wire Line
	2700 6200 2700 6250
Wire Wire Line
	2350 6000 2350 5850
Wire Wire Line
	2350 6250 2700 6250
Wire Wire Line
	2700 6250 2700 6350
Connection ~ 2700 6250
$Comp
L power:+3V3 #PWR?
U 1 1 61561F8C
P 2350 5850
AR Path="/61561F8C" Ref="#PWR?"  Part="1" 
AR Path="/603A03FF/61561F8C" Ref="#PWR?"  Part="1" 
AR Path="/5FFFC5DE/61561F8C" Ref="#PWR066"  Part="1" 
F 0 "#PWR066" H 2350 5700 50  0001 C CNN
F 1 "+3V3" H 2365 6023 50  0000 C CNN
F 2 "" H 2350 5850 50  0001 C CNN
F 3 "" H 2350 5850 50  0001 C CNN
	1    2350 5850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 61561F92
P 2700 6350
AR Path="/61561F92" Ref="#PWR?"  Part="1" 
AR Path="/603A03FF/61561F92" Ref="#PWR?"  Part="1" 
AR Path="/5FFFC5DE/61561F92" Ref="#PWR068"  Part="1" 
F 0 "#PWR068" H 2700 6100 50  0001 C CNN
F 1 "GND" H 2705 6177 50  0000 C CNN
F 2 "" H 2700 6350 50  0001 C CNN
F 3 "" H 2700 6350 50  0001 C CNN
	1    2700 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 5850 2700 6000
$Comp
L power:+5V #PWR?
U 1 1 61561F99
P 2700 5850
AR Path="/61561F99" Ref="#PWR?"  Part="1" 
AR Path="/5FFFC5DE/61561F99" Ref="#PWR067"  Part="1" 
F 0 "#PWR067" H 2700 5700 50  0001 C CNN
F 1 "+5V" H 2715 6023 50  0000 C CNN
F 2 "" H 2700 5850 50  0001 C CNN
F 3 "" H 2700 5850 50  0001 C CNN
	1    2700 5850
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 6156FAFB
P 3050 6100
AR Path="/6156FAFB" Ref="C?"  Part="1" 
AR Path="/6043556F/6156FAFB" Ref="C?"  Part="1" 
AR Path="/5FFFC5DE/6156FAFB" Ref="C25"  Part="1" 
F 0 "C25" H 3142 6146 50  0000 L CNN
F 1 "1u" H 3142 6055 50  0000 L CNN
F 2 "Passive:CAPC1608X100" H 3050 6100 50  0001 C CNN
F 3 "~" H 3050 6100 50  0001 C CNN
F 4 "810-CGA3E1X7R1C105AC" H -1500 -1100 50  0001 C CNN "Mouser"
	1    3050 6100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 6156FB01
P 3400 6100
AR Path="/6156FB01" Ref="C?"  Part="1" 
AR Path="/6043556F/6156FB01" Ref="C?"  Part="1" 
AR Path="/5FFFC5DE/6156FB01" Ref="C26"  Part="1" 
F 0 "C26" H 3492 6146 50  0000 L CNN
F 1 "1u" H 3492 6055 50  0000 L CNN
F 2 "Passive:CAPC1608X100" H 3400 6100 50  0001 C CNN
F 3 "~" H 3400 6100 50  0001 C CNN
F 4 "810-CGA3E1X7R1C105AC" H -1400 -1100 50  0001 C CNN "Mouser"
	1    3400 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 6200 3050 6250
Wire Wire Line
	3400 6200 3400 6250
Wire Wire Line
	3050 6000 3050 5850
Wire Wire Line
	3050 6250 3400 6250
Wire Wire Line
	3400 6250 3400 6350
Connection ~ 3400 6250
$Comp
L power:+3V3 #PWR?
U 1 1 6156FB0D
P 3050 5850
AR Path="/6156FB0D" Ref="#PWR?"  Part="1" 
AR Path="/603A03FF/6156FB0D" Ref="#PWR?"  Part="1" 
AR Path="/5FFFC5DE/6156FB0D" Ref="#PWR069"  Part="1" 
F 0 "#PWR069" H 3050 5700 50  0001 C CNN
F 1 "+3V3" H 3065 6023 50  0000 C CNN
F 2 "" H 3050 5850 50  0001 C CNN
F 3 "" H 3050 5850 50  0001 C CNN
	1    3050 5850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6156FB13
P 3400 6350
AR Path="/6156FB13" Ref="#PWR?"  Part="1" 
AR Path="/603A03FF/6156FB13" Ref="#PWR?"  Part="1" 
AR Path="/5FFFC5DE/6156FB13" Ref="#PWR071"  Part="1" 
F 0 "#PWR071" H 3400 6100 50  0001 C CNN
F 1 "GND" H 3405 6177 50  0000 C CNN
F 2 "" H 3400 6350 50  0001 C CNN
F 3 "" H 3400 6350 50  0001 C CNN
	1    3400 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 5850 3400 6000
$Comp
L power:+5V #PWR?
U 1 1 6156FB1A
P 3400 5850
AR Path="/6156FB1A" Ref="#PWR?"  Part="1" 
AR Path="/5FFFC5DE/6156FB1A" Ref="#PWR070"  Part="1" 
F 0 "#PWR070" H 3400 5700 50  0001 C CNN
F 1 "+5V" H 3415 6023 50  0000 C CNN
F 2 "" H 3400 5850 50  0001 C CNN
F 3 "" H 3400 5850 50  0001 C CNN
	1    3400 5850
	-1   0    0    -1  
$EndComp
NoConn ~ 2350 1700
NoConn ~ 2350 1800
NoConn ~ 2350 2000
$Comp
L 74xx:74LS125 U?
U 3 1 60FCE1CF
P 9600 4950
AR Path="/60FCE1CF" Ref="U?"  Part="3" 
AR Path="/5FFFC5DE/60FCE1CF" Ref="U11"  Part="3" 
F 0 "U11" H 9600 5267 50  0000 C CNN
F 1 "74HCT125" H 9600 5176 50  0000 C CNN
F 2 "Active:TSOP65P640X110-14" H 9600 4950 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 9600 4950 50  0001 C CNN
F 4 "771-74HCT125PW-T" H 0   0   50  0001 C CNN "Mouser"
	3    9600 4950
	-1   0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 4 1 60FCE1D5
P 9600 5850
AR Path="/60FCE1D5" Ref="U?"  Part="4" 
AR Path="/5FFFC5DE/60FCE1D5" Ref="U11"  Part="4" 
F 0 "U11" H 9600 6167 50  0000 C CNN
F 1 "74HCT125" H 9600 6076 50  0000 C CNN
F 2 "Active:TSOP65P640X110-14" H 9600 5850 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 9600 5850 50  0001 C CNN
F 4 "771-74HCT125PW-T" H 0   0   50  0001 C CNN "Mouser"
	4    9600 5850
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9600 5200 9600 5250
Wire Wire Line
	9600 5250 10150 5250
Wire Wire Line
	9900 4950 9950 4950
Wire Wire Line
	9950 4950 9950 5000
$Comp
L power:GND #PWR076
U 1 1 610023D7
P 9950 5000
F 0 "#PWR076" H 9950 4750 50  0001 C CNN
F 1 "GND" H 9955 4827 50  0000 C CNN
F 2 "" H 9950 5000 50  0001 C CNN
F 3 "" H 9950 5000 50  0001 C CNN
	1    9950 5000
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR078
U 1 1 6101B93A
P 10150 4750
F 0 "#PWR078" H 10150 4600 50  0001 C CNN
F 1 "+3V3" H 10165 4923 50  0000 C CNN
F 2 "" H 10150 4750 50  0001 C CNN
F 3 "" H 10150 4750 50  0001 C CNN
	1    10150 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10150 4750 10150 4850
Wire Wire Line
	10150 5050 10150 5250
Connection ~ 10150 5250
Wire Wire Line
	10150 5250 10350 5250
Wire Wire Line
	9300 4950 8950 4950
Wire Wire Line
	9600 6100 9600 6150
Wire Wire Line
	9600 6150 10150 6150
Wire Wire Line
	9900 5850 9950 5850
Wire Wire Line
	9950 5850 9950 5900
$Comp
L power:GND #PWR077
U 1 1 61075D1B
P 9950 5900
F 0 "#PWR077" H 9950 5650 50  0001 C CNN
F 1 "GND" H 9955 5727 50  0000 C CNN
F 2 "" H 9950 5900 50  0001 C CNN
F 3 "" H 9950 5900 50  0001 C CNN
	1    9950 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	10150 5950 10150 6150
Connection ~ 10150 6150
Wire Wire Line
	10150 6150 10350 6150
Wire Wire Line
	10150 5750 10150 5650
$Comp
L power:+3V3 #PWR079
U 1 1 6109D1EA
P 10150 5650
F 0 "#PWR079" H 10150 5500 50  0001 C CNN
F 1 "+3V3" H 10165 5823 50  0000 C CNN
F 2 "" H 10150 5650 50  0001 C CNN
F 3 "" H 10150 5650 50  0001 C CNN
	1    10150 5650
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR088
U 1 1 6189C43C
P 1950 1200
F 0 "#PWR088" H 1950 1050 50  0001 C CNN
F 1 "+12V" H 1965 1373 50  0000 C CNN
F 2 "" H 1950 1200 50  0001 C CNN
F 3 "" H 1950 1200 50  0001 C CNN
	1    1950 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 2200 1950 2200
Wire Wire Line
	1950 1200 1950 2200
Text Notes 600  7700 0    50   ~ 0
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. \nTo view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/ or send\na letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
Text Notes 7100 6800 0    100  ~ 0
GRAPHICS GREMLIN
Text Notes 7100 6950 0    50   ~ 0
DESIGN BY @TubeTimeUS
Wire Bus Line
	7300 2450 7300 3150
Wire Bus Line
	4750 1300 4750 3150
Wire Bus Line
	4150 1300 4150 2100
Wire Bus Line
	4350 1400 4350 4300
Wire Bus Line
	4600 1400 4600 6150
Wire Bus Line
	7750 1300 7750 6150
$EndSCHEMATC