EESchema Schematic File Version 4 LIBS:ramcard-cache EELAYER 26 0 EELAYER END $Descr User 10000 6000 encoding utf-8 Sheet 1 1 Title "FlashGordon 2021" Date "2021-01-20" Rev "" Comp "PulkoTronics" Comment1 "Based on Bryce MegaFlash" Comment2 "" Comment3 "" Comment4 "" $EndDescr Wire Wire Line 6500 1900 6500 2100 Wire Wire Line 6300 1900 6300 2100 Connection ~ 8400 3950 Wire Wire Line 1250 950 1250 900 Wire Wire Line 1250 900 1050 900 Wire Wire Line 1050 900 1050 950 Connection ~ 2700 1750 Wire Wire Line 2700 1750 2700 1150 Wire Wire Line 2700 1150 2150 1150 Wire Wire Line 1150 1050 1250 1050 Wire Wire Line 1150 750 1250 750 Wire Wire Line 6100 3750 6400 3750 Wire Wire Line 8800 2750 9050 2750 Connection ~ 3300 1150 Wire Wire Line 3950 1150 3650 1150 Connection ~ 3650 750 Wire Wire Line 3650 700 3650 750 Wire Wire Line 7200 1100 7200 950 Wire Wire Line 7100 1100 7100 950 Wire Wire Line 7000 1100 7000 950 Wire Wire Line 6900 1100 6900 950 Wire Wire Line 6800 1100 6800 950 Wire Wire Line 6700 1100 6700 950 Wire Bus Line 900 5050 900 4350 Wire Wire Line 8150 2400 7950 2400 Wire Wire Line 8150 2300 7950 2300 Wire Wire Line 8150 2200 7950 2200 Wire Wire Line 8150 2100 7950 2100 Wire Wire Line 8150 2000 7950 2000 Wire Wire Line 8150 1900 7950 1900 Wire Wire Line 8150 1800 7950 1800 Wire Wire Line 8150 1700 7950 1700 Wire Wire Line 8150 1600 7950 1600 Wire Wire Line 8150 1500 7950 1500 Wire Wire Line 8150 1400 7950 1400 Wire Wire Line 8150 1300 7950 1300 Wire Wire Line 8150 1200 7950 1200 Wire Wire Line 8150 1100 7950 1100 Wire Wire Line 8150 1000 7950 1000 Wire Wire Line 8150 900 7950 900 Wire Wire Line 8150 800 7950 800 Wire Wire Line 8150 700 7950 700 Wire Wire Line 8150 600 7950 600 Wire Wire Line 6100 1100 6100 950 Wire Wire Line 5900 1100 5900 950 Wire Wire Line 5700 1100 5700 950 Wire Wire Line 5500 1100 5500 950 Wire Wire Line 6400 1100 6400 800 Wire Wire Line 6200 1100 6200 800 Wire Wire Line 1050 5050 900 5050 Wire Wire Line 1050 4950 900 4950 Wire Wire Line 1050 4850 900 4850 Wire Wire Line 1050 4750 900 4750 Wire Wire Line 1050 4650 900 4650 Wire Wire Line 1050 4550 900 4550 Wire Wire Line 1050 4450 900 4450 Wire Wire Line 1050 4350 900 4350 Wire Wire Line 7600 1100 7600 950 Wire Wire Line 7400 1100 7400 950 Wire Wire Line 5300 1900 5300 2100 Wire Wire Line 7000 1900 7000 2100 Wire Wire Line 7200 1900 7200 2100 Wire Wire Line 7500 1900 7500 2100 Wire Wire Line 5950 2950 6150 2950 Wire Wire Line 7800 2150 7700 2150 Wire Wire Line 7700 2150 7700 1900 Wire Wire Line 5950 2750 6150 2750 Wire Wire Line 900 5250 1050 5250 Wire Wire Line 2450 4650 2650 4650 Wire Wire Line 2450 4550 2650 4550 Wire Wire Line 2450 4450 2650 4450 Wire Wire Line 2450 4350 2650 4350 Wire Wire Line 2450 4950 2650 4950 Wire Wire Line 2450 4750 2650 4750 Wire Wire Line 2450 4850 2650 4850 Wire Wire Line 2450 5050 2650 5050 Wire Wire Line 1050 5350 900 5350 Wire Wire Line 900 5350 900 5400 Wire Wire Line 6800 2150 6800 1900 Wire Wire Line 6900 2150 6900 1900 Wire Wire Line 7600 1900 7600 2100 Wire Wire Line 7300 1900 7300 2100 Wire Wire Line 7100 1900 7100 2100 Wire Wire Line 6700 1900 6700 2100 Wire Wire Line 5300 1100 5300 950 Wire Wire Line 7500 1100 7500 950 Wire Wire Line 7700 1100 7700 950 Wire Wire Line 8300 3950 8400 3950 Wire Wire Line 7400 2100 7400 1900 Wire Wire Line 6300 1100 6300 800 Wire Wire Line 6500 1100 6500 800 Wire Wire Line 5400 1100 5400 950 Wire Wire Line 5600 1100 5600 950 Wire Wire Line 5800 1100 5800 950 Wire Wire Line 6000 1100 6000 950 Wire Wire Line 5400 1900 5400 2050 Wire Wire Line 5500 1900 5500 2050 Wire Wire Line 5600 1900 5600 2050 Wire Wire Line 5700 1900 5700 2050 Wire Wire Line 5800 1900 5800 2050 Wire Wire Line 5900 1900 5900 2050 Wire Wire Line 6000 1900 6000 2050 Wire Wire Line 6100 1900 6100 2050 Wire Wire Line 6600 2100 6600 1900 Wire Wire Line 7300 1100 7300 900 Wire Wire Line 6600 1100 6600 950 Wire Wire Line 3650 1300 3650 1150 Connection ~ 3650 1150 Wire Wire Line 3950 750 3650 750 Connection ~ 3300 750 Wire Wire Line 7350 2850 7600 2850 Wire Wire Line 7450 2650 7600 2650 Wire Wire Line 1050 950 950 950 Wire Wire Line 1150 1250 1250 1250 Wire Wire Line 4900 2650 4900 2550 Wire Wire Line 6200 1900 6200 2100 Wire Wire Line 6400 1900 6400 2100 NoConn ~ 6800 950 $Comp L ramcard-rescue:GND #PWR01 U 1 1 5066EDF0 P 4900 2650 F 0 "#PWR01" H 4900 2650 30 0001 C CNN F 1 "GND" H 4900 2580 30 0001 C CNN F 2 "" H 4900 2650 50 0001 C CNN F 3 "" H 4900 2650 50 0001 C CNN 1 4900 2650 1 0 0 -1 $EndComp Text Label 4300 2550 2 60 ~ 0 BUSRESET $Comp L ramcard-rescue:SW_PUSH SW4 U 1 1 5066EDE6 P 4600 2550 F 0 "SW4" H 4750 2660 50 0000 C CNN F 1 "SW_PUSH" H 4600 2470 50 0000 C CNN F 2 "Button_Switch_SMD:SW_SPST_B3S-1000" H 4600 2550 50 0001 C CNN F 3 "" H 4600 2550 50 0001 C CNN 1 4600 2550 1 0 0 -1 $EndComp $Comp L ramcard-rescue:GND #PWR02 U 1 1 5066ED17 P 3550 3000 F 0 "#PWR02" H 3550 3000 30 0001 C CNN F 1 "GND" H 3550 2930 30 0001 C CNN F 2 "" H 3550 3000 50 0001 C CNN F 3 "" H 3550 3000 50 0001 C CNN 1 3550 3000 1 0 0 -1 $EndComp $Comp L ramcard-rescue:R R5 U 1 1 5066ED0E P 3350 3350 F 0 "R5" V 3430 3350 50 0000 C CNN F 1 "10KR" V 3350 3350 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 3350 3350 50 0001 C CNN F 3 "" H 3350 3350 50 0001 C CNN 1 3350 3350 0 -1 -1 0 $EndComp Text Label 7200 950 1 60 ~ 0 BUSRESET $Comp L byteeeprom:Switch_DSDP SW1 U 1 1 5059F50B P 1700 1000 F 0 "SW1" H 1700 1300 60 0000 C CNN F 1 "WRITE" H 1700 650 60 0000 C CNN F 2 "Button_Switch_THT:SW_E-Switch_EG1271_DPDT" H 1700 1000 50 0001 C CNN F 3 "" H 1700 1000 50 0001 C CNN 1 1700 1000 -1 0 0 1 $EndComp Text Label 2150 850 0 60 ~ 0 RDWR Text GLabel 950 950 0 60 Output ~ 0 ROMEN Text GLabel 1150 750 0 60 Output ~ 0 MREQ $Comp L ramcard-rescue:GND #PWR03 U 1 1 5058E1E2 P 1150 1250 F 0 "#PWR03" H 1150 1250 30 0001 C CNN F 1 "GND" H 1150 1180 30 0001 C CNN F 2 "" H 1150 1250 50 0001 C CNN F 3 "" H 1150 1250 50 0001 C CNN 1 1150 1250 0 1 1 0 $EndComp $Comp L power:VCC #PWR04 U 1 1 5058E1DA P 1150 1050 F 0 "#PWR04" H 1150 1150 30 0001 C CNN F 1 "VCC" H 1150 1150 30 0000 C CNN F 2 "" H 1150 1050 50 0001 C CNN F 3 "" H 1150 1050 50 0001 C CNN 1 1150 1050 1 0 0 -1 $EndComp $Comp L power:VCC #PWR05 U 1 1 5058E15E P 1750 1750 F 0 "#PWR05" H 1750 1850 30 0001 C CNN F 1 "VCC" H 1750 1850 30 0000 C CNN F 2 "" H 1750 1750 50 0001 C CNN F 3 "" H 1750 1750 50 0001 C CNN 1 1750 1750 1 0 0 -1 $EndComp $Comp L ramcard-rescue:R R1 U 1 1 5058E156 P 2000 1750 F 0 "R1" V 2080 1750 50 0000 C CNN F 1 "1KR" V 2000 1750 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 2000 1750 50 0001 C CNN F 3 "" H 2000 1750 50 0001 C CNN 1 2000 1750 0 -1 -1 0 $EndComp $Comp L Device:LED D1 U 1 1 5058E14C P 2400 1750 F 0 "D1" H 2400 1850 50 0000 C CNN F 1 "LED" H 2400 1650 50 0000 C CNN F 2 "LED_THT:LED_D3.0mm" H 2400 1750 50 0001 C CNN F 3 "" H 2400 1750 50 0001 C CNN 1 2400 1750 -1 0 0 1 $EndComp $Comp L ramcard-rescue:R R3 U 1 1 5058E134 P 3150 1750 F 0 "R3" V 3230 1750 50 0000 C CNN F 1 "220R" V 3150 1750 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 3150 1750 50 0001 C CNN F 3 "" H 3150 1750 50 0001 C CNN 1 3150 1750 0 -1 -1 0 $EndComp Text GLabel 3400 1950 0 60 Output ~ 0 WR Text Label 4600 1850 0 60 ~ 0 /WE $Comp L power:VCC #PWR06 U 1 1 5058E0FB P 3650 3350 F 0 "#PWR06" H 3650 3450 30 0001 C CNN F 1 "VCC" H 3650 3450 30 0000 C CNN F 2 "" H 3650 3350 50 0001 C CNN F 3 "" H 3650 3350 50 0001 C CNN 1 3650 3350 1 0 0 -1 $EndComp Text Label 3200 3600 0 60 ~ 0 R7EN Text Label 4100 3350 0 60 ~ 0 R7EN Text Label 4100 3450 0 60 ~ 0 R0EN Text Label 3200 3500 0 60 ~ 0 R0EN $Comp L ramcard-rescue:74LS32 U2 U 2 1 5058DF56 P 4000 1850 F 0 "U2" H 4000 1900 60 0000 C CNN F 1 "74LS32" H 4000 1800 60 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4000 1850 50 0001 C CNN F 3 "" H 4000 1850 50 0001 C CNN 2 4000 1850 1 0 0 1 $EndComp Text Label 3150 5350 2 60 ~ 0 A15 Text Label 4100 3550 0 60 ~ 0 Q5 Text Label 4100 3950 0 60 ~ 0 Q7 Text Label 4100 4050 0 60 ~ 0 Q6 Text Label 6000 3950 0 60 ~ 0 ROMACC Text Label 6100 3750 0 60 ~ 0 RDWR Text Label 9300 1750 0 60 ~ 0 /WE Text GLabel 9300 1850 2 60 Output ~ 0 ROMEN Text Label 7950 2400 0 60 ~ 0 Q4 Text Label 7950 2300 0 60 ~ 0 Q3 Text Label 7950 2200 0 60 ~ 0 Q2 Text Label 7950 2100 0 60 ~ 0 Q1 Text Label 7950 2000 0 60 ~ 0 Q0 $Comp L power:VCC #PWR08 U 1 1 5058D352 P 8400 3450 F 0 "#PWR08" H 8400 3550 30 0001 C CNN F 1 "VCC" H 8400 3550 30 0000 C CNN F 2 "" H 8400 3450 50 0001 C CNN F 3 "" H 8400 3450 50 0001 C CNN 1 8400 3450 1 0 0 -1 $EndComp $Comp L ramcard-rescue:R R4 U 1 1 5058D332 P 8400 3700 F 0 "R4" V 8480 3700 50 0000 C CNN F 1 "1KR" V 8400 3700 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 8400 3700 50 0001 C CNN F 3 "" H 8400 3700 50 0001 C CNN 1 8400 3700 -1 0 0 1 $EndComp $Comp L ramcard-rescue:74LS574 U1 U 1 1 504C8586 P 1750 4850 F 0 "U1" H 1750 4850 60 0000 C CNN F 1 "74LS574" H 1800 4500 60 0000 C CNN F 2 "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" H 1750 4850 50 0001 C CNN F 3 "" H 1750 4850 50 0001 C CNN 1 1750 4850 1 0 0 -1 $EndComp $Comp L byteeeprom:29C040 U6 U 1 1 504C83A0 P 8750 1500 F 0 "U6" H 8750 1500 60 0000 C CNN F 1 "29C040" V 8700 2050 60 0000 C CNN F 2 "plcc_widerpads:PLCC-32_11.4x14.0mm_P1.27mm_widerpads" H 8750 1500 50 0001 C CNN F 3 "" H 8750 1500 50 0001 C CNN 1 8750 1500 1 0 0 -1 $EndComp Text Label 7450 2650 0 60 ~ 0 A13 Text Label 9300 1950 0 60 ~ 0 /CE Text Label 7600 3850 0 60 ~ 0 /CE $Comp L power:VCC #PWR09 U 1 1 4DDEB8E8 P 9300 2300 F 0 "#PWR09" H 9300 2400 30 0001 C CNN F 1 "VCC" H 9300 2400 30 0000 C CNN F 2 "" H 9300 2300 50 0001 C CNN F 3 "" H 9300 2300 50 0001 C CNN 1 9300 2300 0 1 1 0 $EndComp Text Label 2650 4750 0 60 ~ 0 Q4 $Comp L ramcard-rescue:GND #PWR011 U 1 1 4DBD3AB8 P 3650 1300 F 0 "#PWR011" H 3650 1300 30 0001 C CNN F 1 "GND" H 3650 1230 30 0001 C CNN F 2 "" H 3650 1300 50 0001 C CNN F 3 "" H 3650 1300 50 0001 C CNN 1 3650 1300 1 0 0 -1 $EndComp $Comp L power:VCC #PWR012 U 1 1 4DBD3AB1 P 3650 700 F 0 "#PWR012" H 3650 800 30 0001 C CNN F 1 "VCC" H 3650 800 30 0000 C CNN F 2 "" H 3650 700 50 0001 C CNN F 3 "" H 3650 700 50 0001 C CNN 1 3650 700 1 0 0 -1 $EndComp Text GLabel 6600 950 1 60 Output ~ 0 MREQ NoConn ~ 7100 950 NoConn ~ 7000 950 NoConn ~ 6900 950 NoConn ~ 6700 950 Text GLabel 7300 900 1 60 Output ~ 0 ROMEN Text Label 2650 5050 0 60 ~ 0 Q7 Text Label 2650 4350 0 60 ~ 0 Q0 Text Label 2650 4950 0 60 ~ 0 Q6 Text Label 2650 4450 0 60 ~ 0 Q1 Text Label 2650 4550 0 60 ~ 0 Q2 Text Label 2650 4850 0 60 ~ 0 Q5 Text Label 2650 4650 0 60 ~ 0 Q3 $Comp L power:VCC #PWR013 U 1 1 4DBBEA82 P 6600 2100 F 0 "#PWR013" H 6600 2200 30 0001 C CNN F 1 "VCC" H 6600 2200 30 0000 C CNN F 2 "" H 6600 2100 50 0001 C CNN F 3 "" H 6600 2100 50 0001 C CNN 1 6600 2100 -1 0 0 1 $EndComp Text Label 7950 1900 0 60 ~ 0 A13 Text Label 7950 1800 0 60 ~ 0 A12 Text Label 7950 1700 0 60 ~ 0 A11 Text Label 7950 1600 0 60 ~ 0 A10 Text Label 7950 1500 0 60 ~ 0 A9 Text Label 7950 1400 0 60 ~ 0 A8 Text Label 7950 1300 0 60 ~ 0 A7 Text Label 7950 1200 0 60 ~ 0 A6 Text Label 7950 1100 0 60 ~ 0 A5 Text Label 7950 1000 0 60 ~ 0 A4 Text Label 7950 900 0 60 ~ 0 A3 Text Label 7950 800 0 60 ~ 0 A2 Text Label 7950 700 0 60 ~ 0 A1 Text Label 7950 600 0 60 ~ 0 A0 Text Label 5400 2050 1 60 ~ 0 A15 Text Label 5400 950 1 60 ~ 0 A14 Text Label 5500 2050 1 60 ~ 0 A13 Text Label 5500 950 1 60 ~ 0 A12 Text Label 5600 2050 1 60 ~ 0 A11 Text Label 5600 950 1 60 ~ 0 A10 Text Label 5700 2050 1 60 ~ 0 A9 Text Label 5700 950 1 60 ~ 0 A8 Text Label 5800 2050 1 60 ~ 0 A7 Text Label 5800 950 1 60 ~ 0 A6 Text Label 5900 2050 1 60 ~ 0 A5 Text Label 5900 950 1 60 ~ 0 A4 Text Label 6000 2050 1 60 ~ 0 A3 Text Label 6000 950 1 60 ~ 0 A2 Text Label 6100 2050 1 60 ~ 0 A1 Text Label 6100 950 1 60 ~ 0 A0 Text Label 1000 5050 0 60 ~ 0 D7 Text Label 1000 4950 0 60 ~ 0 D6 Text Label 1000 4850 0 60 ~ 0 D5 Text Label 1000 4750 0 60 ~ 0 D4 Text Label 1000 4650 0 60 ~ 0 D3 Text Label 1000 4550 0 60 ~ 0 D2 Text Label 1000 4450 0 60 ~ 0 D1 Text Label 1000 4350 0 60 ~ 0 D0 Entry Wire Line 6500 800 6400 700 Entry Wire Line 6400 800 6300 700 Entry Wire Line 6300 800 6200 700 Entry Wire Line 6200 800 6100 700 Text Label 6200 2100 1 60 ~ 0 D7 Text Label 6300 2100 1 60 ~ 0 D5 Text Label 6400 2100 1 60 ~ 0 D3 Text Label 6500 2100 1 60 ~ 0 D1 Text Label 6200 950 1 60 ~ 0 D6 Text Label 6300 950 1 60 ~ 0 D4 Text Label 6400 950 1 60 ~ 0 D2 Text Label 6500 950 1 60 ~ 0 D0 $Comp L ramcard-rescue:GND #PWR014 U 1 1 4DBBE106 P 9300 2400 F 0 "#PWR014" H 9300 2400 30 0001 C CNN F 1 "GND" H 9300 2330 30 0001 C CNN F 2 "" H 9300 2400 50 0001 C CNN F 3 "" H 9300 2400 50 0001 C CNN 1 9300 2400 0 -1 -1 0 $EndComp Text GLabel 7400 2100 3 60 Input ~ 0 ROMDIS Text Label 9300 1300 0 60 ~ 0 D7 Text Label 9300 1200 0 60 ~ 0 D6 Text Label 9300 1100 0 60 ~ 0 D5 Text Label 9300 1000 0 60 ~ 0 D4 Text Label 9300 900 0 60 ~ 0 D3 Text Label 9300 800 0 60 ~ 0 D2 Text Label 9300 700 0 60 ~ 0 D1 Text Label 9300 600 0 60 ~ 0 D0 Text Notes 1600 5050 0 60 ~ 0 register Text Notes 3850 2850 0 60 ~ 0 ROM activation decoding Text GLabel 9050 3950 2 60 Output ~ 0 ROMDIS NoConn ~ 7400 950 NoConn ~ 7500 950 NoConn ~ 7600 950 NoConn ~ 7700 950 NoConn ~ 5300 2100 NoConn ~ 6700 2100 NoConn ~ 7000 2100 NoConn ~ 7100 2100 NoConn ~ 7200 2100 NoConn ~ 7300 2100 NoConn ~ 7500 2100 NoConn ~ 7600 2100 Text Notes 5700 650 2 60 ~ 0 \ncpc connector Text Notes 5600 2650 0 60 ~ 0 OUT Decoder Text GLabel 5950 2750 0 60 Input ~ 0 WR Text GLabel 6900 2150 3 60 Output ~ 0 WR $Comp L ramcard-rescue:GND #PWR015 U 1 1 4CA89326 P 7800 2150 F 0 "#PWR015" H 7800 2150 30 0001 C CNN F 1 "GND" H 7800 2080 30 0001 C CNN F 2 "" H 7800 2150 50 0001 C CNN F 3 "" H 7800 2150 50 0001 C CNN 1 7800 2150 0 -1 -1 0 $EndComp Text GLabel 6800 2150 3 60 Output ~ 0 IORQ Text GLabel 5950 2950 0 60 Input ~ 0 IORQ $Comp L ramcard-rescue:74LS32 U2 U 4 1 4CA89162 P 6750 2850 F 0 "U2" H 6750 2900 60 0000 C CNN F 1 "74LS32" H 6750 2800 60 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 6750 2850 50 0001 C CNN F 3 "" H 6750 2850 50 0001 C CNN 4 6750 2850 1 0 0 -1 $EndComp Text GLabel 9050 2750 2 60 Output ~ 0 ROMSEL Text GLabel 900 5250 0 60 Input ~ 0 ROMSEL $Comp L ramcard-rescue:74LS32 U2 U 3 1 4CA89099 P 8200 2750 F 0 "U2" H 8200 2800 60 0000 C CNN F 1 "74LS32" H 8200 2700 60 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 8200 2750 50 0001 C CNN F 3 "" H 8200 2750 50 0001 C CNN 3 8200 2750 1 0 0 -1 $EndComp $Comp L ramcard-rescue:GND #PWR016 U 1 1 4CA88AFC P 900 5400 F 0 "#PWR016" H 900 5400 30 0001 C CNN F 1 "GND" H 900 5330 30 0001 C CNN F 2 "" H 900 5400 50 0001 C CNN F 3 "" H 900 5400 50 0001 C CNN 1 900 5400 1 0 0 -1 $EndComp Text Notes 1150 4200 0 60 ~ 0 Current ROM number storage $Comp L ramcard-rescue:74LS32 U2 U 1 1 4CA87CE5 P 7000 3850 F 0 "U2" H 7000 3900 60 0000 C CNN F 1 "74LS32" H 7000 3800 60 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7000 3850 50 0001 C CNN F 3 "" H 7000 3850 50 0001 C CNN 1 7000 3850 1 0 0 1 $EndComp $Comp L ramcard-rescue:C C4 U 1 1 4CA87152 P 3950 950 F 0 "C4" H 4000 1050 50 0000 L CNN F 1 "C" H 4000 850 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 3950 950 50 0001 C CNN F 3 "" H 3950 950 50 0001 C CNN 1 3950 950 1 0 0 -1 $EndComp $Comp L ramcard-rescue:C C3 U 1 1 4CA87151 P 3650 950 F 0 "C3" H 3700 1050 50 0000 L CNN F 1 "C" H 3700 850 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 3650 950 50 0001 C CNN F 3 "" H 3650 950 50 0001 C CNN 1 3650 950 1 0 0 -1 $EndComp $Comp L ramcard-rescue:CP1 C5 U 1 1 4CA87146 P 3300 950 F 0 "C5" H 3350 1050 50 0000 L CNN F 1 "CP1" H 3350 850 50 0000 L CNN F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 3300 950 50 0001 C CNN F 3 "" H 3300 950 50 0001 C CNN 1 3300 950 1 0 0 -1 $EndComp $Comp L ramcard-rescue:CONN_25X2 P1 U 1 1 4CA8712F P 6500 1500 F 0 "P1" H 6500 2800 60 0000 C CNN F 1 "CONN_25X2" V 6500 1500 50 0000 C CNN F 2 "Connector_IDC:IDC-Header_2x25_P2.54mm_Vertical" H 6500 1500 50 0001 C CNN F 3 "" H 6500 1500 50 0001 C CNN 1 6500 1500 0 -1 -1 0 $EndComp $Comp L ramcard-rescue:C C2 U 1 1 4CA870EF P 2950 950 F 0 "C2" H 3000 1050 50 0000 L CNN F 1 "C" H 3000 850 50 0000 L CNN F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 2950 950 50 0001 C CNN F 3 "" H 2950 950 50 0001 C CNN 1 2950 950 1 0 0 -1 $EndComp $Comp L Device:D D13 U 1 1 4CA870AA P 8650 3950 F 0 "D13" H 8650 4050 40 0000 C CNN F 1 "DIODE" H 8650 3850 40 0000 C CNN F 2 "Diode_THT:D_A-405_P7.62mm_Horizontal" H 8650 3950 50 0001 C CNN F 3 "" H 8650 3950 50 0001 C CNN 1 8650 3950 -1 0 0 1 $EndComp Wire Wire Line 8400 3950 8500 3950 Wire Wire Line 2700 1750 2900 1750 Wire Wire Line 3300 1150 2950 1150 Wire Wire Line 3650 750 3300 750 Wire Wire Line 3650 1150 3300 1150 Wire Wire Line 3300 750 2950 750 $Comp L 74xx:74LS138 U3 U 1 1 5E9AECF6 P 1500 3200 F 0 "U3" H 1750 3700 50 0000 C CNN F 1 "74LS138" H 1200 3700 50 0000 C CNN F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 1500 3200 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 1500 3200 50 0001 C CNN 1 1500 3200 1 0 0 -1 $EndComp Text Label 800 2900 0 60 ~ 0 Q0 Text Label 800 3000 0 60 ~ 0 Q1 Text Label 800 3100 0 60 ~ 0 Q2 Text Label 800 3600 0 60 ~ 0 Q3 Text Label 800 3500 0 60 ~ 0 Q4 Wire Wire Line 1000 3500 800 3500 Wire Wire Line 1000 3600 800 3600 Wire Wire Line 1000 2900 800 2900 Wire Wire Line 1000 3000 800 3000 Wire Wire Line 1000 3100 800 3100 Wire Wire Line 7600 3850 7700 3850 $Comp L power:VCC #PWR0101 U 1 1 5EA2D764 P 800 3400 F 0 "#PWR0101" H 800 3500 30 0001 C CNN F 1 "VCC" H 800 3500 30 0000 C CNN F 2 "" H 800 3400 50 0001 C CNN F 3 "" H 800 3400 50 0001 C CNN 1 800 3400 1 0 0 -1 $EndComp Wire Wire Line 800 3400 1000 3400 $Comp L 74xx:74LS138 U5 U 1 1 5EA33331 P 4750 3650 F 0 "U5" H 5000 4100 50 0000 C CNN F 1 "74LS138" H 4500 4100 50 0000 C CNN F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4750 3650 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 4750 3650 50 0001 C CNN 1 4750 3650 1 0 0 -1 $EndComp Wire Wire Line 4100 3350 4250 3350 Wire Wire Line 4100 3450 4250 3450 Wire Wire Line 4100 3550 4250 3550 Wire Wire Line 4100 3950 4250 3950 Wire Wire Line 4100 4050 4250 4050 Text Label 3150 5150 2 60 ~ 0 A14 $Comp L 74xx:74LS00 U4 U 4 1 5EA5E912 P 8000 3950 F 0 "U4" H 8000 3950 50 0000 C CNN F 1 "74LS00" H 8000 4184 50 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 8000 3950 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 8000 3950 50 0001 C CNN 4 8000 3950 1 0 0 -1 $EndComp $Comp L 74xx:74LS00 U4 U 1 1 5EA5E9AD P 3600 5250 F 0 "U4" H 3600 5250 50 0000 C CNN F 1 "74LS00" H 3600 5484 50 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3600 5250 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 3600 5250 50 0001 C CNN 1 3600 5250 1 0 0 -1 $EndComp Wire Wire Line 7700 3850 7700 4050 Connection ~ 7700 3850 $Comp L 74xx:74LS00 U4 U 2 1 5EA5EC31 P 4400 5250 F 0 "U4" H 4400 5250 50 0000 C CNN F 1 "74LS00" H 4400 5484 50 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4400 5250 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4400 5250 50 0001 C CNN 2 4400 5250 1 0 0 -1 $EndComp Wire Wire Line 3900 5250 4100 5250 Wire Wire Line 4100 5250 4100 5150 Wire Wire Line 4100 5350 4100 5250 Connection ~ 4100 5250 Wire Wire Line 3150 5150 3300 5150 Wire Wire Line 3150 5350 3300 5350 Wire Wire Line 4700 5250 4850 5250 Text Label 4850 5250 0 50 ~ 0 A14A15 Text Label 2250 2900 0 50 ~ 0 A14A15 $Comp L power:VCC #PWR0102 U 1 1 5EA8DD43 P 1500 2350 F 0 "#PWR0102" H 1500 2450 30 0001 C CNN F 1 "VCC" H 1500 2450 30 0000 C CNN F 2 "" H 1500 2350 50 0001 C CNN F 3 "" H 1500 2350 50 0001 C CNN 1 1500 2350 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0103 U 1 1 5EA8DD82 P 4750 3050 F 0 "#PWR0103" H 4750 3150 30 0001 C CNN F 1 "VCC" H 4750 3150 30 0000 C CNN F 2 "" H 4750 3050 50 0001 C CNN F 3 "" H 4750 3050 50 0001 C CNN 1 4750 3050 1 0 0 -1 $EndComp Wire Wire Line 1500 2600 1500 2350 $Comp L ramcard-rescue:GND #PWR0104 U 1 1 5EA99CA6 P 1500 3900 F 0 "#PWR0104" H 1500 3900 30 0001 C CNN F 1 "GND" H 1500 3830 30 0001 C CNN F 2 "" H 1500 3900 50 0001 C CNN F 3 "" H 1500 3900 50 0001 C CNN 1 1500 3900 1 0 0 -1 $EndComp $Comp L ramcard-rescue:GND #PWR0105 U 1 1 5EA99D33 P 4750 4500 F 0 "#PWR0105" H 4750 4500 30 0001 C CNN F 1 "GND" H 4750 4430 30 0001 C CNN F 2 "" H 4750 4500 50 0001 C CNN F 3 "" H 4750 4500 50 0001 C CNN 1 4750 4500 1 0 0 -1 $EndComp Wire Wire Line 4750 4500 4750 4350 Text Notes 2950 4800 0 50 ~ 0 ROM address space access (C000-FFFF) decoding Text Notes 550 2250 0 50 ~ 0 Disable switches Text Notes 500 600 0 50 ~ 0 Write protect switch $Comp L 74xx:74LS00 U4 U 5 1 5EAC5D80 P 4450 1000 F 0 "U4" H 4680 1046 50 0000 L CNN F 1 "74LS00" H 4680 955 50 0000 L CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4450 1000 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4450 1000 50 0001 C CNN 5 4450 1000 1 0 0 -1 $EndComp $Comp L ramcard-rescue:GND #PWR0106 U 1 1 5EAC613B P 5100 1050 F 0 "#PWR0106" H 5100 1050 30 0001 C CNN F 1 "GND" H 5100 980 30 0001 C CNN F 2 "" H 5100 1050 50 0001 C CNN F 3 "" H 5100 1050 50 0001 C CNN 1 5100 1050 1 0 0 -1 $EndComp Wire Wire Line 5300 950 5100 950 Wire Wire Line 5100 950 5100 1050 NoConn ~ 2000 3000 NoConn ~ 2000 3100 NoConn ~ 2000 3200 NoConn ~ 2000 3300 NoConn ~ 2000 3400 NoConn ~ 2000 3500 NoConn ~ 5250 3350 NoConn ~ 5250 3450 NoConn ~ 5250 3550 NoConn ~ 5250 3750 NoConn ~ 5250 3850 Wire Wire Line 6000 3650 6000 3950 Wire Wire Line 6400 3950 6000 3950 NoConn ~ 5250 3950 Text Notes 5150 4250 0 50 ~ 0 Use O7 for ROMs 32-63. $Comp L 74xx:74LS00 U4 U 3 1 5E9C8E7F P 1200 1900 F 0 "U4" H 1200 1900 50 0000 C CNN F 1 "74LS00" H 1200 2134 50 0000 C CNN F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 1200 1900 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 1200 1900 50 0001 C CNN 3 1200 1900 1 0 0 -1 $EndComp $Comp L ramcard-rescue:GND #PWR018 U 1 1 5E9C8FE5 P 700 2000 F 0 "#PWR018" H 700 2000 30 0001 C CNN F 1 "GND" H 700 1930 30 0001 C CNN F 2 "" H 700 2000 50 0001 C CNN F 3 "" H 700 2000 50 0001 C CNN 1 700 2000 1 0 0 -1 $EndComp Wire Wire Line 700 2000 700 1900 Wire Wire Line 700 1900 900 1900 Wire Wire Line 900 1900 900 2000 Wire Wire Line 900 1900 900 1800 Connection ~ 900 1900 NoConn ~ 1500 1900 Wire Wire Line 3550 3000 3550 2900 $Comp L Device:Jumper_NC_Small JP3 U 1 1 5EA3F157 P 5650 3650 F 0 "JP3" H 5650 3862 50 0000 C CNN F 1 "Jumper_NC_Small" H 5650 3771 50 0000 C CNN F 2 "Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm" H 5650 3650 50 0001 C CNN F 3 "~" H 5650 3650 50 0001 C CNN 1 5650 3650 1 0 0 -1 $EndComp $Comp L Device:Jumper_NO_Small JP4 U 1 1 5EA3F293 P 5650 4050 F 0 "JP4" H 5650 4235 50 0000 C CNN F 1 "Jumper_NO_Small" H 5650 4144 50 0000 C CNN F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 5650 4050 50 0001 C CNN F 3 "~" H 5650 4050 50 0001 C CNN 1 5650 4050 1 0 0 -1 $EndComp Wire Wire Line 5250 3650 5550 3650 Wire Wire Line 5750 3650 6000 3650 Wire Wire Line 5250 4050 5550 4050 Wire Wire Line 5750 4050 6000 4050 Wire Wire Line 6000 4050 6000 3950 Connection ~ 6000 3950 Wire Wire Line 4450 500 3950 500 Wire Wire Line 3950 500 3950 750 Connection ~ 3950 750 Wire Wire Line 3950 1500 3950 1150 Connection ~ 3950 1150 Wire Wire Line 4250 3850 3950 3850 Wire Notes Line 500 1500 1650 1500 Wire Notes Line 2800 500 2800 1600 Wire Notes Line 2800 1600 5000 1600 Wire Notes Line 7900 2500 7900 450 Wire Notes Line 5000 2500 9550 2500 Wire Notes Line 2850 4000 2850 5500 Wire Notes Line 1650 1500 1650 2100 Wire Notes Line 3800 2100 3800 4000 Wire Notes Line 500 4000 3800 4000 Wire Notes Line 2850 4700 5250 4700 Wire Notes Line 5000 500 5000 3100 Wire Notes Line 5000 3100 9550 3100 Wire Notes Line 5000 2750 3800 2750 Text Notes 3850 2250 0 50 ~ 0 Reset button Wire Notes Line 500 2100 5000 2100 Text Notes 500 1600 0 50 ~ 0 Unused gate Text Notes 2900 600 0 50 ~ 0 Power distribution Wire Wire Line 4450 1500 3950 1500 Wire Wire Line 2550 1750 2700 1750 Wire Wire Line 8800 3950 9050 3950 $Comp L Switch:SW_DIP_x04 SW2 U 1 1 60091453 P 2650 3500 F 0 "SW2" H 2650 3967 50 0000 C CNN F 1 "SW_DIP_x04" H 2650 3876 50 0000 C CNN F 2 "Button_Switch_THT:SW_DIP_SPSTx04_Slide_9.78x12.34mm_W7.62mm_P2.54mm" H 2650 3500 50 0001 C CNN F 3 "" H 2650 3500 50 0001 C CNN 1 2650 3500 1 0 0 -1 $EndComp Wire Wire Line 3100 3600 3500 3600 $Comp L ramcard-rescue:R R6 U 1 1 600A142A P 3350 3750 F 0 "R6" V 3430 3750 50 0000 C CNN F 1 "10KR" V 3350 3750 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 3350 3750 50 0001 C CNN F 3 "" H 3350 3750 50 0001 C CNN 1 3350 3750 0 -1 -1 0 $EndComp Wire Wire Line 3100 3750 3100 3600 Wire Wire Line 2000 3600 2350 3600 Wire Wire Line 2350 3500 2100 3500 Wire Wire Line 2100 3500 2100 2900 Wire Wire Line 2100 2900 2000 2900 Wire Wire Line 2950 3600 3100 3600 Connection ~ 3100 3600 Wire Wire Line 2250 2900 2250 3400 Wire Wire Line 2250 3400 2350 3400 $Comp L ramcard-rescue:R R2 U 1 1 600F65C4 P 3300 2900 F 0 "R2" V 3380 2900 50 0000 C CNN F 1 "10KR" V 3300 2900 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 3300 2900 50 0001 C CNN F 3 "" H 3300 2900 50 0001 C CNN 1 3300 2900 0 -1 -1 0 $EndComp Wire Wire Line 2950 3400 3050 3400 Wire Wire Line 3050 3400 3050 2900 Text Label 3050 3200 0 50 ~ 0 SWACC Text Label 3950 3850 0 50 ~ 0 SWACC Wire Wire Line 2950 3500 3100 3500 Wire Wire Line 3100 3500 3100 3350 Connection ~ 3100 3500 Wire Wire Line 3100 3500 3500 3500 Wire Wire Line 3600 3350 3650 3350 Wire Wire Line 3650 3350 3650 3750 Wire Wire Line 3650 3750 3600 3750 Wire Bus Line 6200 800 6500 800 Connection ~ 3650 3350 $EndSCHEMATC