658 lines
16 KiB
Plaintext
658 lines
16 KiB
Plaintext
EESchema Schematic File Version 4
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LIBS:motherboard-cache
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EELAYER 29 0
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EELAYER END
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$Descr USLetter 11000 8500
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encoding utf-8
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Sheet 4 4
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Text GLabel 2800 1550 0 50 Input ~ 0
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A4
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Text GLabel 2800 1450 0 50 Input ~ 0
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A5
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Text GLabel 2800 1350 0 50 Input ~ 0
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A6
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Text GLabel 2800 1250 0 50 Input ~ 0
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A7
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$Comp
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L power:GND #PWR?
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U 1 1 5D858851
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P 3300 3350
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AR Path="/5D858851" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D858851" Ref="#PWR065" Part="1"
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F 0 "#PWR065" H 3300 3100 50 0001 C CNN
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F 1 "GND" H 3305 3177 50 0000 C CNN
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F 2 "" H 3300 3350 50 0001 C CNN
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F 3 "" H 3300 3350 50 0001 C CNN
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1 3300 3350
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1 0 0 -1
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$EndComp
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Text GLabel 3850 1350 0 50 Input ~ 0
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A3
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$Comp
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L 74xx:74HC74 U?
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U 1 1 5D858858
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P 5550 1350
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AR Path="/5D858858" Ref="U?" Part="1"
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AR Path="/5D847EA3/5D858858" Ref="U11" Part="1"
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F 0 "U11" H 5750 1700 50 0000 C CNN
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F 1 "74HC74" H 5750 1600 50 0000 C CNN
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F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 5550 1350 50 0001 C CNN
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F 3 "74xx/74hc_hct74.pdf" H 5550 1350 50 0001 C CNN
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1 5550 1350
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1 0 0 -1
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$EndComp
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Text GLabel 5250 1250 0 50 Input ~ 0
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D0
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Text GLabel 3850 1550 0 50 Input ~ 0
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~WR
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$Comp
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L 74xx:74LS688 U?
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U 1 1 5D858866
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P 3300 2150
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AR Path="/5D858866" Ref="U?" Part="1"
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AR Path="/5D847EA3/5D858866" Ref="U12" Part="1"
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F 0 "U12" H 3450 3300 50 0000 L CNN
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F 1 "74LS688" H 3350 3200 50 0000 L CNN
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F 2 "Package_DIP:DIP-20_W7.62mm_Socket" H 3300 2150 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS688" H 3300 2150 50 0001 C CNN
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1 3300 2150
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1 0 0 -1
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$EndComp
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NoConn ~ 4850 1550
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Text GLabel 2800 3050 0 50 Input ~ 0
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~IORQ
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$Comp
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L power:GND #PWR?
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U 1 1 5D85886F
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P 2450 3050
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AR Path="/5D85886F" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D85886F" Ref="#PWR063" Part="1"
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F 0 "#PWR063" H 2450 2800 50 0001 C CNN
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F 1 "GND" H 2455 2877 50 0000 C CNN
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F 2 "" H 2450 3050 50 0001 C CNN
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F 3 "" H 2450 3050 50 0001 C CNN
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1 2450 3050
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1 0 0 -1
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$EndComp
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Wire Wire Line
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2450 3050 2450 2850
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Wire Wire Line
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2450 2850 2800 2850
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Wire Wire Line
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2800 2750 2450 2750
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Wire Wire Line
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2450 2750 2450 2850
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Connection ~ 2450 2850
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Wire Wire Line
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2800 2650 2450 2650
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Wire Wire Line
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2450 2650 2450 2750
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Connection ~ 2450 2750
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Wire Wire Line
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2800 2550 2450 2550
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Wire Wire Line
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2450 2550 2450 2650
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Connection ~ 2450 2650
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Wire Wire Line
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2450 2550 2450 2450
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Wire Wire Line
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2450 1950 2800 1950
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Connection ~ 2450 2550
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Wire Wire Line
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2800 1850 2450 1850
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Wire Wire Line
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2450 1850 2450 1950
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Connection ~ 2450 1950
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Wire Wire Line
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2450 1750 2450 1850
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Wire Wire Line
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2450 1750 2800 1750
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Connection ~ 2450 1850
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Wire Wire Line
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2800 1650 2450 1650
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Wire Wire Line
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2450 1650 2450 1750
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Connection ~ 2450 1750
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$Comp
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L power:+5V #PWR?
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U 1 1 5D85888C
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P 5550 1050
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AR Path="/5D85888C" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D85888C" Ref="#PWR068" Part="1"
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F 0 "#PWR068" H 5550 900 50 0001 C CNN
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F 1 "+5V" H 5565 1223 50 0000 C CNN
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F 2 "" H 5550 1050 50 0001 C CNN
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F 3 "" H 5550 1050 50 0001 C CNN
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1 5550 1050
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1 0 0 -1
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$EndComp
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Wire Wire Line
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3850 1250 3800 1250
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Wire Wire Line
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5250 1350 5050 1350
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D0
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Text GLabel 6250 2900 0 50 Input ~ 0
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D1
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Text GLabel 6250 3000 0 50 Input ~ 0
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D2
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Text GLabel 6250 3100 0 50 Input ~ 0
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D3
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Text GLabel 6250 3300 0 50 Input ~ 0
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A0
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Text GLabel 6250 3400 0 50 Input ~ 0
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A1
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Text Label 5850 1450 0 50 ~ 0
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PG_EN
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Text Label 6250 3900 2 50 ~ 0
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PG_EN
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Text Label 6250 3500 2 50 ~ 0
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PG_WR
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Text Label 4850 1250 0 50 ~ 0
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PG_WR
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Text HLabel 8900 2800 2 50 Output ~ 0
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PAG_A18
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Text HLabel 7700 1250 2 50 Output ~ 0
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PAG_512K2
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Text GLabel 6900 1750 0 50 Input ~ 0
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~MREQ
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NoConn ~ 5850 1250
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$Comp
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L power:+5V #PWR064
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U 1 1 5D867760
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P 3300 950
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F 0 "#PWR064" H 3300 800 50 0001 C CNN
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F 1 "+5V" H 3315 1123 50 0000 C CNN
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F 2 "" H 3300 950 50 0001 C CNN
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F 3 "" H 3300 950 50 0001 C CNN
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1 3300 950
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1 0 0 -1
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$EndComp
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Text Label 8900 2900 0 50 ~ 0
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A19
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Text HLabel 7700 1350 2 50 Output ~ 0
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PAG_512K3
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Text HLabel 7700 1450 2 50 Output ~ 0
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PAG_512K4
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$Comp
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L 74xx:74HC137 U14
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U 1 1 5D7D8C00
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P 7300 1550
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F 0 "U14" H 7450 2200 50 0000 C CNN
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F 1 "74HC137" H 7500 2100 50 0000 C CNN
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F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 7300 1550 50 0001 C CNN
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F 3 "http://www.ti.com/lit/ds/symlink/cd74hc237.pdf" H 7300 1550 50 0001 C CNN
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1 7300 1550
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1 0 0 -1
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$EndComp
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Text Label 6900 1250 2 50 ~ 0
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A20
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Text Label 6900 1150 2 50 ~ 0
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A19
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Text Label 6900 1350 2 50 ~ 0
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A21
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$Comp
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L power:GND #PWR072
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U 1 1 5D7DE09E
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P 6550 1950
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F 0 "#PWR072" H 6550 1700 50 0001 C CNN
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F 1 "GND" H 6555 1777 50 0000 C CNN
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F 2 "" H 6550 1950 50 0001 C CNN
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F 3 "" H 6550 1950 50 0001 C CNN
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1 6550 1950
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6550 1850 6900 1850
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Wire Wire Line
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6900 1550 6550 1550
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$Comp
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L power:+5V #PWR075
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U 1 1 5D7DF79B
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P 7300 950
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F 0 "#PWR075" H 7300 800 50 0001 C CNN
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F 1 "+5V" H 7315 1123 50 0000 C CNN
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F 2 "" H 7300 950 50 0001 C CNN
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F 3 "" H 7300 950 50 0001 C CNN
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1 7300 950
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1 0 0 -1
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$EndComp
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Text HLabel 7700 1550 2 50 Output ~ 0
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PAG_512K5
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Text HLabel 7700 1650 2 50 Output ~ 0
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PAG_512K6
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Text HLabel 7700 1750 2 50 Output ~ 0
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PAG_512K7
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Text HLabel 9550 2150 2 50 Output ~ 0
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PAG_512K8
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$Comp
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L 74xx:74HC74 U?
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U 3 1 5D7E5CB3
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P 1900 6850
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AR Path="/5D7E5CB3" Ref="U?" Part="3"
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AR Path="/5D847EA3/5D7E5CB3" Ref="U11" Part="3"
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F 0 "U11" H 2130 6896 50 0000 L CNN
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F 1 "74HC74" H 2130 6805 50 0000 L CNN
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F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 1900 6850 50 0001 C CNN
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F 3 "74xx/74hc_hct74.pdf" H 1900 6850 50 0001 C CNN
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3 1900 6850
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR?
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U 1 1 5D7E5CB9
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P 1900 7250
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AR Path="/5D7E5CB9" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D7E5CB9" Ref="#PWR062" Part="1"
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F 0 "#PWR062" H 1900 7000 50 0001 C CNN
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F 1 "GND" H 1905 7077 50 0000 C CNN
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F 2 "" H 1900 7250 50 0001 C CNN
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F 3 "" H 1900 7250 50 0001 C CNN
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1 1900 7250
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1 0 0 -1
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$EndComp
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$Comp
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L power:+5V #PWR?
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U 1 1 5D7E5CBF
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P 1900 6450
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AR Path="/5D7E5CBF" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D7E5CBF" Ref="#PWR061" Part="1"
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F 0 "#PWR061" H 1900 6300 50 0001 C CNN
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F 1 "+5V" H 1915 6623 50 0000 C CNN
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F 2 "" H 1900 6450 50 0001 C CNN
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F 3 "" H 1900 6450 50 0001 C CNN
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1 1900 6450
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS139 U?
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U 3 1 5D7E5CC5
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P 1000 6850
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AR Path="/5D7E5CC5" Ref="U?" Part="3"
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AR Path="/5D847EA3/5D7E5CC5" Ref="U10" Part="3"
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F 0 "U10" H 1230 6896 50 0000 L CNN
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F 1 "74LS139" H 1230 6805 50 0000 L CNN
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F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 1000 6850 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS139" H 1000 6850 50 0001 C CNN
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3 1000 6850
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1 0 0 -1
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$EndComp
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$Comp
|
|
L power:GND #PWR?
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U 1 1 5D7E5CCB
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P 1000 7350
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AR Path="/5D7E5CCB" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D7E5CCB" Ref="#PWR060" Part="1"
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F 0 "#PWR060" H 1000 7100 50 0001 C CNN
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F 1 "GND" H 1005 7177 50 0000 C CNN
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F 2 "" H 1000 7350 50 0001 C CNN
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F 3 "" H 1000 7350 50 0001 C CNN
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1 1000 7350
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1 0 0 -1
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$EndComp
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$Comp
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|
L power:+5V #PWR?
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U 1 1 5D7E5CD1
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P 1000 6350
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AR Path="/5D7E5CD1" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D7E5CD1" Ref="#PWR059" Part="1"
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F 0 "#PWR059" H 1000 6200 50 0001 C CNN
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F 1 "+5V" H 1015 6523 50 0000 C CNN
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F 2 "" H 1000 6350 50 0001 C CNN
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F 3 "" H 1000 6350 50 0001 C CNN
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1 1000 6350
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1 0 0 -1
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$EndComp
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$Comp
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L power:+5V #PWR?
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U 1 1 5D858892
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P 5550 1650
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AR Path="/5D858892" Ref="#PWR?" Part="1"
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AR Path="/5D847EA3/5D858892" Ref="#PWR069" Part="1"
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F 0 "#PWR069" H 5550 1500 50 0001 C CNN
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F 1 "+5V" H 5565 1823 50 0000 C CNN
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F 2 "" H 5550 1650 50 0001 C CNN
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F 3 "" H 5550 1650 50 0001 C CNN
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1 5550 1650
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-1 0 0 1
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|
$EndComp
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$Comp
|
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L power:+5V #PWR070
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|
U 1 1 5D7ED746
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P 5550 2100
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F 0 "#PWR070" H 5550 1950 50 0001 C CNN
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F 1 "+5V" H 5565 2273 50 0000 C CNN
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F 2 "" H 5550 2100 50 0001 C CNN
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F 3 "" H 5550 2100 50 0001 C CNN
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1 5550 2100
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1 0 0 -1
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$EndComp
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$Comp
|
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L 74xx:74HC74 U?
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U 2 1 5D7E5C97
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P 5550 2400
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AR Path="/5D7E5C97" Ref="U?" Part="2"
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AR Path="/5D847EA3/5D7E5C97" Ref="U11" Part="2"
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F 0 "U11" H 5700 2750 50 0000 C CNN
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F 1 "74HC74" H 5700 2650 50 0000 C CNN
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F 2 "Package_DIP:DIP-14_W7.62mm_Socket" H 5550 2400 50 0001 C CNN
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|
F 3 "74xx/74hc_hct74.pdf" H 5550 2400 50 0001 C CNN
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2 5550 2400
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1 0 0 -1
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$EndComp
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$Comp
|
|
L power:+5V #PWR071
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U 1 1 5D7F4DE3
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|
P 5550 2700
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F 0 "#PWR071" H 5550 2550 50 0001 C CNN
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F 1 "+5V" H 5565 2873 50 0000 C CNN
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F 2 "" H 5550 2700 50 0001 C CNN
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F 3 "" H 5550 2700 50 0001 C CNN
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1 5550 2700
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1 0 0 1
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$EndComp
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Text Label 5850 2300 0 50 ~ 0
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RAM_EN
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$Comp
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L Device:R_Network08_US RN2
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U 1 1 5D8058C9
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|
P 7450 4850
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F 0 "RN2" H 6970 4804 50 0000 R CNN
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|
F 1 "10K" H 6970 4895 50 0000 R CNN
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|
F 2 "Resistor_THT:R_Array_SIP9" V 7925 4850 50 0001 C CNN
|
|
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 7450 4850 50 0001 C CNN
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|
1 7450 4850
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|
-1 0 0 1
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|
$EndComp
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$Comp
|
|
L power:GND #PWR077
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|
U 1 1 5D807068
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|
P 7850 5050
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|
F 0 "#PWR077" H 7850 4800 50 0001 C CNN
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F 1 "GND" H 7855 4877 50 0000 C CNN
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F 2 "" H 7850 5050 50 0001 C CNN
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F 3 "" H 7850 5050 50 0001 C CNN
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1 7850 5050
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1 0 0 -1
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$EndComp
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Text HLabel 7150 4650 1 50 Output ~ 0
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PAG_A14
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PAG_A15
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Text HLabel 7350 4650 1 50 Output ~ 0
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PAG_A16
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Text HLabel 7450 4650 1 50 Output ~ 0
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PAG_A17
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Text HLabel 7550 4650 1 50 Output ~ 0
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PAG_A18
|
|
NoConn ~ 5850 2500
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Text GLabel 6250 3800 0 50 Input ~ 0
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A15
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Text GLabel 6250 3700 0 50 Input ~ 0
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A14
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Text GLabel 7900 2800 0 50 Input ~ 0
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D4
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Text GLabel 7900 2900 0 50 Input ~ 0
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D5
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Text GLabel 7900 3000 0 50 Input ~ 0
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D6
|
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Text GLabel 7900 3100 0 50 Input ~ 0
|
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D7
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Text GLabel 7900 3300 0 50 Input ~ 0
|
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A0
|
|
Text GLabel 7900 3400 0 50 Input ~ 0
|
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A1
|
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Text Label 7900 3900 2 50 ~ 0
|
|
PG_EN
|
|
Text Label 7900 3500 2 50 ~ 0
|
|
PG_WR
|
|
Text GLabel 7900 3800 0 50 Input ~ 0
|
|
A15
|
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Text GLabel 7900 3700 0 50 Input ~ 0
|
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A14
|
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Text Label 8900 3100 0 50 ~ 0
|
|
A21
|
|
Text Label 8900 3000 0 50 ~ 0
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|
A20
|
|
$Comp
|
|
L power:GND #PWR079
|
|
U 1 1 5D84E404
|
|
P 8400 4200
|
|
F 0 "#PWR079" H 8400 3950 50 0001 C CNN
|
|
F 1 "GND" H 8405 4027 50 0000 C CNN
|
|
F 2 "" H 8400 4200 50 0001 C CNN
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|
F 3 "" H 8400 4200 50 0001 C CNN
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|
1 8400 4200
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L power:+5V #PWR078
|
|
U 1 1 5D84F177
|
|
P 8400 2500
|
|
F 0 "#PWR078" H 8400 2350 50 0001 C CNN
|
|
F 1 "+5V" H 8415 2673 50 0000 C CNN
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|
F 2 "" H 8400 2500 50 0001 C CNN
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|
F 3 "" H 8400 2500 50 0001 C CNN
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|
1 8400 2500
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|
1 0 0 -1
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$EndComp
|
|
Wire Wire Line
|
|
6550 1550 6550 1850
|
|
$Comp
|
|
L power:+5V #PWR073
|
|
U 1 1 5D84F654
|
|
P 6750 2500
|
|
F 0 "#PWR073" H 6750 2350 50 0001 C CNN
|
|
F 1 "+5V" H 6765 2673 50 0000 C CNN
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|
F 2 "" H 6750 2500 50 0001 C CNN
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|
F 3 "" H 6750 2500 50 0001 C CNN
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|
1 6750 2500
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L power:GND #PWR074
|
|
U 1 1 5D84DFB5
|
|
P 6750 4200
|
|
F 0 "#PWR074" H 6750 3950 50 0001 C CNN
|
|
F 1 "GND" H 6755 4027 50 0000 C CNN
|
|
F 2 "" H 6750 4200 50 0001 C CNN
|
|
F 3 "" H 6750 4200 50 0001 C CNN
|
|
1 6750 4200
|
|
1 0 0 -1
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|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS670 U13
|
|
U 1 1 5D840F05
|
|
P 6750 3300
|
|
F 0 "U13" H 6950 4050 50 0000 C CNN
|
|
F 1 "74LS670" H 6950 3950 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 6750 3300 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS670" H 6750 3300 50 0001 C CNN
|
|
1 6750 3300
|
|
1 0 0 -1
|
|
$EndComp
|
|
Text HLabel 7250 3100 2 50 Output ~ 0
|
|
PAG_A17
|
|
Text HLabel 7250 3000 2 50 Output ~ 0
|
|
PAG_A16
|
|
Text HLabel 7250 2900 2 50 Output ~ 0
|
|
PAG_A15
|
|
Text HLabel 7250 2800 2 50 Output ~ 0
|
|
PAG_A14
|
|
NoConn ~ 9550 1950
|
|
NoConn ~ 9550 1850
|
|
Text GLabel 8550 2150 0 50 Input ~ 0
|
|
~MREQ
|
|
Text HLabel 9550 2050 2 50 Output ~ 0
|
|
PAG_ROM
|
|
Text Label 8550 1950 2 50 ~ 0
|
|
RAM_EN
|
|
$Comp
|
|
L 74xx:74LS139 U10
|
|
U 2 1 5D7FA88E
|
|
P 9050 1950
|
|
F 0 "U10" H 9050 2317 50 0000 C CNN
|
|
F 1 "74LS139" H 9050 2226 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 9050 1950 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS139" H 9050 1950 50 0001 C CNN
|
|
2 9050 1950
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
7700 1850 8550 1850
|
|
Text HLabel 7700 1150 2 50 Output ~ 0
|
|
PAG_512K1
|
|
$Comp
|
|
L power:GND #PWR076
|
|
U 1 1 5D82989A
|
|
P 7300 2050
|
|
F 0 "#PWR076" H 7300 1800 50 0001 C CNN
|
|
F 1 "GND" H 7305 1877 50 0000 C CNN
|
|
F 2 "" H 7300 2050 50 0001 C CNN
|
|
F 3 "" H 7300 2050 50 0001 C CNN
|
|
1 7300 2050
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
2800 2450 2450 2450
|
|
Connection ~ 2450 2450
|
|
Wire Wire Line
|
|
2450 2450 2450 2350
|
|
Wire Wire Line
|
|
2800 2350 2450 2350
|
|
Connection ~ 2450 2350
|
|
Wire Wire Line
|
|
2450 2350 2450 2250
|
|
Wire Wire Line
|
|
2450 2250 2800 2250
|
|
Connection ~ 2450 2250
|
|
Wire Wire Line
|
|
2450 2250 2450 2150
|
|
Wire Wire Line
|
|
2800 2150 2450 2150
|
|
Connection ~ 2450 2150
|
|
Wire Wire Line
|
|
2450 2150 2450 1950
|
|
$Comp
|
|
L power:+5V #PWR?
|
|
U 1 1 5D8AEA35
|
|
P 4500 3550
|
|
AR Path="/5D8AEA35" Ref="#PWR?" Part="1"
|
|
AR Path="/5D847EA3/5D8AEA35" Ref="#PWR066" Part="1"
|
|
F 0 "#PWR066" H 4500 3400 50 0001 C CNN
|
|
F 1 "+5V" H 4515 3723 50 0000 C CNN
|
|
F 2 "" H 4500 3550 50 0001 C CNN
|
|
F 3 "" H 4500 3550 50 0001 C CNN
|
|
1 4500 3550
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L power:GND #PWR?
|
|
U 1 1 5D8AEA3B
|
|
P 4500 3750
|
|
AR Path="/5D8AEA3B" Ref="#PWR?" Part="1"
|
|
AR Path="/5D847EA3/5D8AEA3B" Ref="#PWR067" Part="1"
|
|
F 0 "#PWR067" H 4500 3500 50 0001 C CNN
|
|
F 1 "GND" H 4505 3577 50 0000 C CNN
|
|
F 2 "" H 4500 3750 50 0001 C CNN
|
|
F 3 "" H 4500 3750 50 0001 C CNN
|
|
1 4500 3750
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C_Small C?
|
|
U 1 1 5D8AEA41
|
|
P 4500 3650
|
|
AR Path="/5D8AEA41" Ref="C?" Part="1"
|
|
AR Path="/5D847EA3/5D8AEA41" Ref="C8" Part="1"
|
|
F 0 "C8" H 4592 3696 50 0000 L CNN
|
|
F 1 "0.1u" H 4592 3605 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 4500 3650 50 0001 C CNN
|
|
F 3 "~" H 4500 3650 50 0001 C CNN
|
|
1 4500 3650
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 6550 1850
|
|
Wire Wire Line
|
|
6550 1850 6550 1950
|
|
$Comp
|
|
L Device:R_Network08_US RN3
|
|
U 1 1 5D8D4846
|
|
P 8600 5050
|
|
F 0 "RN3" H 8120 5004 50 0000 R CNN
|
|
F 1 "10K" H 8120 5095 50 0000 R CNN
|
|
F 2 "Resistor_THT:R_Array_SIP9" V 9075 5050 50 0001 C CNN
|
|
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 8600 5050 50 0001 C CNN
|
|
1 8600 5050
|
|
-1 0 0 1
|
|
$EndComp
|
|
Text Label 8800 4850 1 50 ~ 0
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|
A19
|
|
Text Label 8900 4850 1 50 ~ 0
|
|
A20
|
|
Text Label 9000 4850 1 50 ~ 0
|
|
A21
|
|
NoConn ~ 8700 4850
|
|
NoConn ~ 8600 4850
|
|
NoConn ~ 8500 4850
|
|
NoConn ~ 8400 4850
|
|
NoConn ~ 8300 4850
|
|
$Comp
|
|
L power:+5V #PWR080
|
|
U 1 1 5D8D78BC
|
|
P 9000 5250
|
|
F 0 "#PWR080" H 9000 5100 50 0001 C CNN
|
|
F 1 "+5V" H 9015 5423 50 0000 C CNN
|
|
F 2 "" H 9000 5250 50 0001 C CNN
|
|
F 3 "" H 9000 5250 50 0001 C CNN
|
|
1 9000 5250
|
|
-1 0 0 1
|
|
$EndComp
|
|
NoConn ~ 7850 4650
|
|
NoConn ~ 7750 4650
|
|
NoConn ~ 7650 4650
|
|
NoConn ~ 4850 1450
|
|
$Comp
|
|
L 74xx:74LS670 U15
|
|
U 1 1 5D84B51B
|
|
P 8400 3300
|
|
F 0 "U15" H 8600 4050 50 0000 C CNN
|
|
F 1 "74LS670" H 8600 3950 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 8400 3300 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS670" H 8400 3300 50 0001 C CNN
|
|
1 8400 3300
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS139 U?
|
|
U 1 1 5D858898
|
|
P 4350 1350
|
|
AR Path="/5D858898" Ref="U?" Part="1"
|
|
AR Path="/5D847EA3/5D858898" Ref="U10" Part="1"
|
|
F 0 "U10" H 4350 1717 50 0000 C CNN
|
|
F 1 "74LS139" H 4350 1626 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-16_W7.62mm_Socket" H 4350 1350 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS139" H 4350 1350 50 0001 C CNN
|
|
1 4350 1350
|
|
1 0 0 -1
|
|
$EndComp
|
|
Text GLabel 5250 2300 0 50 Input ~ 0
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|
D1
|
|
Wire Wire Line
|
|
5250 2400 5050 2400
|
|
Wire Wire Line
|
|
5050 2400 5050 1350
|
|
Connection ~ 5050 1350
|
|
Wire Wire Line
|
|
5050 1350 4850 1350
|
|
$EndSCHEMATC
|