138 lines
2.9 KiB
Plaintext
138 lines
2.9 KiB
Plaintext
EESchema Schematic File Version 4
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LIBS:macintosh-portable-cache
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EELAYER 29 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 5 5
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L 74xx:74LS244 U?
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U 1 1 5D18C1C5
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P 2400 2050
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F 0 "U?" H 2400 3031 50 0000 C CNN
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F 1 "74AC244" H 2400 2940 50 0000 C CNN
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F 2 "" H 2400 2050 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS244" H 2400 2050 50 0001 C CNN
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1 2400 2050
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS244 U?
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U 1 1 5D18EE70
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P 7000 2050
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F 0 "U?" H 7000 3031 50 0000 C CNN
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F 1 "74AC244" H 7000 2940 50 0000 C CNN
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F 2 "" H 7000 2050 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS244" H 7000 2050 50 0001 C CNN
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1 7000 2050
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS244 U?
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U 1 1 5D18F8CC
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P 9400 2050
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F 0 "U?" H 9400 3031 50 0000 C CNN
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F 1 "74AC244" H 9400 2940 50 0000 C CNN
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F 2 "" H 9400 2050 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS244" H 9400 2050 50 0001 C CNN
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1 9400 2050
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS244 U?
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U 1 1 5D1B6555
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P 4750 2050
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F 0 "U?" H 4750 3031 50 0000 C CNN
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F 1 "74AC244" H 4750 2940 50 0000 C CNN
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F 2 "" H 4750 2050 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS244" H 4750 2050 50 0001 C CNN
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1 4750 2050
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1 0 0 -1
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$EndComp
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Text HLabel 1100 1250 0 50 Input ~ 0
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RAM-TTL
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Wire Wire Line
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1100 1250 2400 1250
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Wire Wire Line
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2400 1250 4750 1250
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Connection ~ 2400 1250
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Wire Wire Line
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4750 1250 7000 1250
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Connection ~ 4750 1250
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Wire Wire Line
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7000 1250 9400 1250
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Connection ~ 7000 1250
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$Comp
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L power:GND #PWR?
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U 1 1 5D1BDB13
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P 2400 2850
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F 0 "#PWR?" H 2400 2600 50 0001 C CNN
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F 1 "GND" H 2405 2677 50 0000 C CNN
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F 2 "" H 2400 2850 50 0001 C CNN
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F 3 "" H 2400 2850 50 0001 C CNN
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1 2400 2850
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR?
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U 1 1 5D1BE2CB
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P 4750 2850
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F 0 "#PWR?" H 4750 2600 50 0001 C CNN
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F 1 "GND" H 4755 2677 50 0000 C CNN
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F 2 "" H 4750 2850 50 0001 C CNN
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F 3 "" H 4750 2850 50 0001 C CNN
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1 4750 2850
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR?
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U 1 1 5D1BE67B
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P 7000 2850
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F 0 "#PWR?" H 7000 2600 50 0001 C CNN
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F 1 "GND" H 7005 2677 50 0000 C CNN
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F 2 "" H 7000 2850 50 0001 C CNN
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F 3 "" H 7000 2850 50 0001 C CNN
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1 7000 2850
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR?
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U 1 1 5D1BECA0
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P 9400 2850
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F 0 "#PWR?" H 9400 2600 50 0001 C CNN
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F 1 "GND" H 9405 2677 50 0000 C CNN
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F 2 "" H 9400 2850 50 0001 C CNN
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F 3 "" H 9400 2850 50 0001 C CNN
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1 9400 2850
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4250 2450 4250 2550
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Wire Wire Line
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6500 2450 6500 2550
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Wire Wire Line
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8900 2450 8900 2550
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Wire Wire Line
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1900 2450 1900 2550
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$Comp
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L macintosh-portable:M50753 U?
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U 1 1 5CF2D32E
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P 3550 5200
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F 0 "U?" H 3550 6731 50 0000 C CNN
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F 1 "M50753" H 3550 6640 50 0000 C CNN
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F 2 "" H 3700 5150 50 0001 C CNN
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F 3 "" H 3700 5150 50 0001 C CNN
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1 3550 5200
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1 0 0 -1
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$EndComp
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$EndSCHEMATC
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