510 lines
12 KiB
Plaintext
510 lines
12 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:RC6502 ROM-cache
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EELAYER 25 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 1
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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Text GLabel 9100 3750 0 60 Input ~ 0
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GND
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Text GLabel 9100 3850 0 60 Input ~ 0
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VCC
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Text GLabel 9100 2150 0 60 Input ~ 0
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A15
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Text GLabel 9100 2450 0 60 Input ~ 0
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A12
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Text GLabel 9100 2550 0 60 Input ~ 0
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A11
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Text GLabel 9100 2650 0 60 Input ~ 0
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A10
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Text GLabel 9100 2750 0 60 Input ~ 0
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A9
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Text GLabel 9100 2850 0 60 Input ~ 0
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A8
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Text GLabel 9100 2950 0 60 Input ~ 0
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A7
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Text GLabel 9100 3050 0 60 Input ~ 0
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A6
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Text GLabel 9100 3150 0 60 Input ~ 0
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A5
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Text GLabel 9100 3250 0 60 Input ~ 0
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A4
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Text GLabel 9100 3350 0 60 Input ~ 0
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A3
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Text GLabel 9100 3450 0 60 Input ~ 0
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A2
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Text GLabel 9100 3550 0 60 Input ~ 0
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A1
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Text GLabel 9100 3650 0 60 Input ~ 0
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A0
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Text GLabel 9100 4750 0 60 Input ~ 0
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D0
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Text GLabel 9100 4850 0 60 Input ~ 0
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D1
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Text GLabel 9100 4950 0 60 Input ~ 0
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D2
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Text GLabel 9100 5050 0 60 Input ~ 0
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D3
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Text GLabel 9100 5150 0 60 Input ~ 0
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D4
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Text GLabel 9100 5250 0 60 Input ~ 0
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D5
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Text GLabel 9100 5350 0 60 Input ~ 0
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D6
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Text GLabel 9100 5450 0 60 Input ~ 0
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D7
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Text GLabel 2950 1000 2 60 Input ~ 0
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D0
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Text GLabel 2950 1100 2 60 Input ~ 0
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D1
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Text GLabel 2950 1200 2 60 Input ~ 0
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D2
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Text GLabel 2950 1300 2 60 Input ~ 0
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D3
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Text GLabel 2950 1400 2 60 Input ~ 0
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D4
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Text GLabel 2950 1600 2 60 Input ~ 0
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D6
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Text GLabel 2950 1700 2 60 Input ~ 0
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D7
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NoConn ~ 9100 5750
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NoConn ~ 9100 4050
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NoConn ~ 9100 4150
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NoConn ~ 9100 4250
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NoConn ~ 9100 4650
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NoConn ~ 9100 5550
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NoConn ~ 9100 5650
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Text GLabel 8000 5950 0 60 Output ~ 0
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PAGE_EN
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$Comp
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L R R1
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U 1 1 590BED30
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P 8250 5250
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F 0 "R1" V 8330 5250 50 0000 C CNN
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F 1 "10k" V 8250 5250 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 8180 5250 50 0001 C CNN
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F 3 "" H 8250 5250 50 0001 C CNN
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1 8250 5250
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1 0 0 -1
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$EndComp
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Text GLabel 1550 2200 0 60 Input ~ 0
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A12
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Text GLabel 1550 2100 0 60 Input ~ 0
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A11
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Text GLabel 1550 2000 0 60 Input ~ 0
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A10
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Text GLabel 1550 1900 0 60 Input ~ 0
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A9
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Text GLabel 1550 1800 0 60 Input ~ 0
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A8
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Text GLabel 1550 1700 0 60 Input ~ 0
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A7
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Text GLabel 1550 1600 0 60 Input ~ 0
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A6
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Text GLabel 1550 1500 0 60 Input ~ 0
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A5
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Text GLabel 1550 1400 0 60 Input ~ 0
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A4
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Text GLabel 1550 1300 0 60 Input ~ 0
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A3
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Text GLabel 1550 1200 0 60 Input ~ 0
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A2
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Text GLabel 1550 1100 0 60 Input ~ 0
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A1
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Text GLabel 1550 1000 0 60 Input ~ 0
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A0
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Text Notes 8375 7500 2 60 ~ 0
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RC6502 Pageable RAM
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Text Notes 10625 7650 2 60 ~ 0
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A
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NoConn ~ -500 7850
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$Comp
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L CONN_01X39 J1
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U 1 1 590B4CA1
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P 9300 4050
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F 0 "J1" H 9300 6050 50 0000 C CNN
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F 1 "CONN_01X39" V 9400 4050 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm" H 9300 4050 50 0001 C CNN
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F 3 "" H 9300 4050 50 0001 C CNN
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1 9300 4050
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1 0 0 -1
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$EndComp
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NoConn ~ 9100 5850
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NoConn ~ 9100 4350
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NoConn ~ 9100 4550
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$Comp
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L C C1
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U 1 1 590DFF39
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P 8525 1225
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F 0 "C1" H 8550 1325 50 0000 L CNN
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F 1 "100nF" H 8550 1125 50 0000 L CNN
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F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 8563 1075 50 0001 C CNN
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F 3 "" H 8525 1225 50 0001 C CNN
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1 8525 1225
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1 0 0 -1
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$EndComp
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$Comp
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L C C2
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U 1 1 590E0960
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P 8825 1225
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F 0 "C2" H 8850 1325 50 0000 L CNN
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F 1 "100nF" H 8850 1125 50 0000 L CNN
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F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 8863 1075 50 0001 C CNN
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F 3 "" H 8825 1225 50 0001 C CNN
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1 8825 1225
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1 0 0 -1
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$EndComp
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Text GLabel 8275 825 1 60 Input ~ 0
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VCC
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Text GLabel 2950 1500 2 60 Input ~ 0
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D5
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Text GLabel 8275 1650 3 60 Input ~ 0
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GND
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$Comp
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L 28C256 U1
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U 1 1 590E7B25
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P 2250 1900
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F 0 "U1" H 2450 2900 50 0000 C CNN
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F 1 "28C256" H 2550 900 50 0000 C CNN
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F 2 "Housings_DIP:DIP-28_W15.24mm_Socket_LongPads" H 2250 1900 50 0001 C CNN
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F 3 "" H 2250 1900 50 0001 C CNN
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1 2250 1900
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1 0 0 -1
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$EndComp
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$Comp
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L Jumper_NC_Dual JP1
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U 1 1 590E953F
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P 1600 6650
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F 0 "JP1" H 1650 6550 50 0000 L CNN
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F 1 "A13 Select" H 1600 6750 50 0000 C BNN
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F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 1600 6650 50 0001 C CNN
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F 3 "" H 1600 6650 50 0001 C CNN
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1 1600 6650
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1 0 0 -1
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$EndComp
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$Comp
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L Jumper_NC_Dual JP2
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U 1 1 590E964A
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P 2675 6650
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F 0 "JP2" H 2725 6550 50 0000 L CNN
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F 1 "A14 Select" H 2675 6750 50 0000 C BNN
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F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 2675 6650 50 0001 C CNN
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F 3 "" H 2675 6650 50 0001 C CNN
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1 2675 6650
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1 0 0 -1
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$EndComp
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Text GLabel 1550 2300 0 60 Input ~ 0
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A13_W
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Text GLabel 1550 2400 0 60 Input ~ 0
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A14_W
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Text GLabel 9100 2250 0 60 Input ~ 0
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A14
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Text GLabel 9100 2350 0 60 Input ~ 0
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A13
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Text GLabel 1350 6650 0 60 Input ~ 0
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VCC
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Text GLabel 2425 6650 0 60 Input ~ 0
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VCC
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Text GLabel 2925 6650 2 60 Input ~ 0
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GND
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Text GLabel 1850 6650 2 60 Input ~ 0
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GND
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Text GLabel 1600 6750 3 60 Output ~ 0
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A13_W
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Text GLabel 2675 6750 3 60 Output ~ 0
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A14_W
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$Comp
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L 74HCT00 U2
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U 4 1 590F02B0
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P 4400 4950
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F 0 "U2" H 4400 5000 50 0000 C CNN
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F 1 "74HCT00" H 4400 4850 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 4400 4950 50 0001 C CNN
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F 3 "" H 4400 4950 50 0001 C CNN
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4 4400 4950
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-1 0 0 1
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$EndComp
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$Comp
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L 74HCT00 U2
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U 3 1 590F036D
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P 3050 4950
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F 0 "U2" H 3050 5000 50 0000 C CNN
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F 1 "74HCT00" H 3050 4850 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3050 4950 50 0001 C CNN
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F 3 "" H 3050 4950 50 0001 C CNN
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3 3050 4950
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-1 0 0 1
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$EndComp
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$Comp
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L 74HCT00 U2
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U 2 1 590F04E0
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P 1850 5050
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F 0 "U2" H 1850 5100 50 0000 C CNN
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F 1 "74HCT00" H 1850 4950 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 1850 5050 50 0001 C CNN
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F 3 "" H 1850 5050 50 0001 C CNN
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2 1850 5050
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-1 0 0 1
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$EndComp
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Text GLabel 5000 4850 2 60 Input ~ 0
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A15
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Text GLabel 5000 5050 2 60 Input ~ 0
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A14
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Text GLabel 2450 5150 2 60 Input ~ 0
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A13
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Text GLabel 1300 2800 0 60 Input ~ 0
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CS
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Text GLabel 1250 5050 0 60 Output ~ 0
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CS_IN
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$Comp
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L Jumper_NO_Small JP4
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U 1 1 590F391B
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P 8800 5950
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F 0 "JP4" H 8800 6030 50 0000 C CNN
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F 1 "Bus enable" H 8810 5890 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 8800 5950 50 0001 C CNN
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F 3 "" H 8800 5950 50 0001 C CNN
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1 8800 5950
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1 0 0 -1
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$EndComp
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$Comp
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L Jumper_NC_Small JP3
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U 1 1 590F4210
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P 8250 5650
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F 0 "JP3" H 8250 5730 50 0000 C CNN
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F 1 "Page PullDown" H 8260 5590 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 8250 5650 50 0001 C CNN
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F 3 "" H 8250 5650 50 0001 C CNN
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1 8250 5650
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0 -1 -1 0
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$EndComp
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Wire Wire Line
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8000 5950 8700 5950
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Wire Wire Line
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8275 1650 8275 1475
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Wire Wire Line
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8275 1475 9125 1475
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Wire Wire Line
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8525 1475 8525 1375
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Connection ~ 8525 1475
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Wire Wire Line
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8275 975 9125 975
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Wire Wire Line
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8275 975 8275 825
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Wire Wire Line
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8525 975 8525 1075
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Connection ~ 8525 975
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Wire Wire Line
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8825 975 8825 1075
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Wire Wire Line
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8825 1475 8825 1375
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Wire Wire Line
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1550 2700 1450 2700
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Wire Wire Line
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1450 2700 1450 2800
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Wire Wire Line
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1300 2800 1550 2800
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Connection ~ 1450 2800
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Wire Wire Line
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9100 5950 8900 5950
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Wire Wire Line
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8250 5400 8250 5550
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Wire Wire Line
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8250 5750 8250 5950
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Connection ~ 8250 5950
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Wire Wire Line
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8250 5100 8250 4850
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Wire Wire Line
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3800 4850 3650 4850
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Connection ~ 3800 4950
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Wire Wire Line
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3800 4850 3800 5050
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Wire Wire Line
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3800 5050 3650 5050
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Text GLabel 4150 3850 2 60 Input ~ 0
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PAGE_EN
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Text GLabel 4150 4350 2 60 Input ~ 0
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CS_IN
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Text GLabel 1250 4100 0 60 Output ~ 0
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CS
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$Comp
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L 74HCT00 U2
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U 1 1 590FD019
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P 3350 4350
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F 0 "U2" H 3350 4400 50 0000 C CNN
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F 1 "74HCT00" H 3350 4250 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3350 4350 50 0001 C CNN
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F 3 "" H 3350 4350 50 0001 C CNN
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1 3350 4350
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-1 0 0 1
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$EndComp
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$Comp
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L 74HCT00 U3
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U 1 1 59101698
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P 1850 4100
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F 0 "U3" H 1850 4150 50 0000 C CNN
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F 1 "74HCT00" H 1850 4000 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 1850 4100 50 0001 C CNN
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F 3 "" H 1850 4100 50 0001 C CNN
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1 1850 4100
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-1 0 0 1
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$EndComp
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Text GLabel 8250 4850 1 60 Input ~ 0
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GND
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Wire Wire Line
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4150 4350 4050 4350
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Wire Wire Line
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4050 4250 4050 4450
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Wire Wire Line
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4050 4250 3950 4250
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Wire Wire Line
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4050 4450 3950 4450
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Connection ~ 4050 4350
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$Comp
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L 74HCT00 U3
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U 2 1 59105311
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P 3350 3850
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F 0 "U3" H 3350 3900 50 0000 C CNN
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F 1 "74HCT00" H 3350 3750 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3350 3850 50 0001 C CNN
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F 3 "" H 3350 3850 50 0001 C CNN
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2 3350 3850
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-1 0 0 1
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|
$EndComp
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Wire Wire Line
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4050 3950 3950 3950
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Wire Wire Line
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4050 3750 4050 3950
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Wire Wire Line
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4050 3850 4150 3850
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Wire Wire Line
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3950 3750 4050 3750
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Connection ~ 4050 3850
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Wire Wire Line
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2750 4350 2750 4200
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Wire Wire Line
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2750 4200 2450 4200
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Wire Wire Line
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2450 4000 2750 4000
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Wire Wire Line
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2750 4000 2750 3850
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$Comp
|
|
L C C3
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|
U 1 1 59106500
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P 9125 1225
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F 0 "C3" H 9150 1325 50 0000 L CNN
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|
F 1 "100nF" H 9150 1125 50 0000 L CNN
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|
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 9163 1075 50 0001 C CNN
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F 3 "" H 9125 1225 50 0001 C CNN
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1 9125 1225
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1 0 0 -1
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|
$EndComp
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Wire Wire Line
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9125 975 9125 1075
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Connection ~ 8825 975
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Wire Wire Line
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9125 1475 9125 1375
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Connection ~ 8825 1475
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NoConn ~ 9100 4450
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|
NoConn ~ 9100 3950
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|
$Comp
|
|
L 74HCT00 U3
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|
U 3 1 5910883E
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|
P 10050 975
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|
F 0 "U3" H 10050 1025 50 0000 C CNN
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|
F 1 "74HCT00" H 10050 875 50 0000 C CNN
|
|
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 10050 975 50 0001 C CNN
|
|
F 3 "" H 10050 975 50 0001 C CNN
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|
3 10050 975
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|
-1 0 0 1
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|
$EndComp
|
|
$Comp
|
|
L 74HCT00 U3
|
|
U 4 1 59108899
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|
P 10050 1475
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|
F 0 "U3" H 10050 1525 50 0000 C CNN
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|
F 1 "74HCT00" H 10050 1375 50 0000 C CNN
|
|
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 10050 1475 50 0001 C CNN
|
|
F 3 "" H 10050 1475 50 0001 C CNN
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|
4 10050 1475
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|
-1 0 0 1
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|
$EndComp
|
|
Text GLabel 10825 975 2 60 Input ~ 0
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|
GND
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|
Text GLabel 10825 1475 2 60 Input ~ 0
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|
GND
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|
Wire Wire Line
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|
10825 975 10725 975
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|
Wire Wire Line
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10725 875 10725 1075
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|
Wire Wire Line
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|
10725 875 10650 875
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|
Wire Wire Line
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10725 1075 10650 1075
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|
Connection ~ 10725 975
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|
Wire Wire Line
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10725 1375 10725 1575
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Wire Wire Line
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10725 1475 10825 1475
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Wire Wire Line
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10650 1375 10725 1375
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|
Wire Wire Line
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10725 1575 10650 1575
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|
Connection ~ 10725 1475
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|
NoConn ~ 9450 975
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NoConn ~ 9450 1475
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$Comp
|
|
L R R2
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|
U 1 1 5910A54B
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|
P 1275 2600
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|
F 0 "R2" V 1355 2600 50 0000 C CNN
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|
F 1 "3.3k" V 1275 2600 50 0000 C CNN
|
|
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1205 2600 50 0001 C CNN
|
|
F 3 "" H 1275 2600 50 0001 C CNN
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|
1 1275 2600
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|
0 1 1 0
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|
$EndComp
|
|
Text GLabel 1125 2600 0 60 Input ~ 0
|
|
VCC
|
|
Wire Wire Line
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|
1425 2600 1550 2600
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|
$EndSCHEMATC
|