EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A3 16535 11693 encoding utf-8 Sheet 3 14 Title "Rämixx500" Date "2021-05-23" Rev "1" Comp "SukkoPera" Comment1 "MEMORY AND...WELL, I USED TO REMEMBER" Comment2 "" Comment3 "" Comment4 "Licensed under CC BY-NC-SA 4.0" $EndDescr Wire Wire Line 8800 1250 8530 1250 Wire Wire Line 8800 1350 8530 1350 Wire Wire Line 8800 1450 8530 1450 Wire Wire Line 8800 1550 8530 1550 Entry Wire Line 8430 1150 8530 1250 Entry Wire Line 8430 1250 8530 1350 Entry Wire Line 8430 1350 8530 1450 Entry Wire Line 8430 1450 8530 1550 Text Label 8530 1250 0 50 ~ 0 drd3 Text Label 8530 1350 0 50 ~ 0 drd1 Text Label 8530 1450 0 50 ~ 0 drd0 Text Label 8530 1550 0 50 ~ 0 drd2 $Comp L 74ls373:74LS373 U34 U 1 1 5EB19726 P 3100 2095 F 0 "U34" H 3100 1328 50 0000 C CNN F 1 "74LS373" H 3100 1419 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 3100 2095 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS373" H 3100 2095 50 0001 C CNN F 4 "MEMORY" H 3100 2095 50 0001 C CNN "Section" F 5 "0.68" H 3100 2095 50 0001 C CNN "Cost" F 6 "TI" H 3100 2095 50 0001 C CNN "MFG Name" F 7 "SN74LS373N" H 3100 2095 50 0001 C CNN "MFG Part Num" F 8 "Y" H 3100 2095 50 0001 C CNN "Required" 1 3100 2095 1 0 0 1 $EndComp Text GLabel 1065 1305 0 50 Input ~ 0 DRA[0..9] Text GLabel 1085 755 0 50 BiDi ~ 0 DRD[0..15] $Comp L 74ls244:74LS244 U35 U 1 1 5EB9A376 P 3100 3625 F 0 "U35" H 3100 2890 50 0000 C CNN F 1 "74LS244" H 3100 2975 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 3100 3625 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS244" H 3100 3625 50 0001 C CNN F 4 "MEMORY" H 3100 3625 50 0001 C CNN "Section" F 5 "0.62" H 3100 3625 50 0001 C CNN "Cost" F 6 "TI" H 3100 3625 50 0001 C CNN "MFG Name" F 7 "SN74LS244N" H 3100 3625 50 0001 C CNN "MFG Part Num" F 8 "Y" H 3100 3625 50 0001 C CNN "Required" 1 3100 3625 1 0 0 1 $EndComp Wire Wire Line 2600 1995 2060 1995 Wire Wire Line 2600 2095 2060 2095 Wire Wire Line 2600 2195 2060 2195 Wire Wire Line 2600 2295 2060 2295 Wire Wire Line 2600 2395 2060 2395 Wire Wire Line 2600 2495 2060 2495 Wire Wire Line 2600 2595 2060 2595 Wire Wire Line 2600 4125 2050 4125 Wire Wire Line 2600 4025 2295 4025 Wire Wire Line 2600 3925 2575 3925 Wire Wire Line 2600 3825 2480 3825 Wire Wire Line 2600 3525 2495 3525 Wire Wire Line 2600 3425 2200 3425 Text GLabel 2050 3925 0 50 Input ~ 0 ~CASL Text GLabel 2300 3825 0 50 Input ~ 0 ~CASU Text GLabel 2050 4125 0 50 Input ~ 0 ~RAS0 Text GLabel 2295 4025 0 50 Input ~ 0 ~RAS1 Entry Wire Line 1960 1795 2060 1895 Entry Wire Line 1960 1895 2060 1995 Entry Wire Line 1960 1995 2060 2095 Entry Wire Line 1960 2095 2060 2195 Entry Wire Line 1960 2195 2060 2295 Entry Wire Line 1960 2295 2060 2395 Entry Wire Line 1960 2395 2060 2495 Entry Wire Line 1960 2495 2060 2595 Entry Wire Line 1960 3525 2060 3625 Entry Wire Line 1960 3625 2060 3725 Text Label 2230 1895 2 50 ~ 0 dra3 Text Label 2230 3625 2 50 ~ 0 dra1 Text Label 2230 3725 2 50 ~ 0 dra0 Text GLabel 2200 3425 0 50 Input ~ 0 ~WE Text GLabel 2495 3525 0 50 Input ~ 0 CCK Wire Wire Line 2060 3625 2600 3625 Wire Wire Line 2060 3725 2600 3725 Wire Wire Line 2060 1895 2600 1895 Text Label 2230 1995 2 50 ~ 0 dra4 Text Label 2230 2095 2 50 ~ 0 dra6 Text Label 2230 2195 2 50 ~ 0 dra8 Text Label 2230 2295 2 50 ~ 0 dra2 Text Label 2230 2395 2 50 ~ 0 dra5 Text Label 2230 2495 2 50 ~ 0 dra7 Text Label 2230 2595 2 50 ~ 0 dra9 $Comp L power:GND #PWR0118 U 1 1 5EDD75AC P 2385 1645 F 0 "#PWR0118" H 2385 1395 50 0001 C CNN F 1 "GND" H 2390 1472 50 0000 C CNN F 2 "" H 2385 1645 50 0001 C CNN F 3 "" H 2385 1645 50 0001 C CNN 1 2385 1645 1 0 0 -1 $EndComp Wire Wire Line 2385 1645 2385 1595 Wire Wire Line 2385 1595 2600 1595 Wire Wire Line 2600 1695 2520 1695 Wire Wire Line 2520 1695 2520 2770 Wire Wire Line 2520 2770 3980 2770 Wire Wire Line 3980 2770 3980 3525 Wire Wire Line 3600 3525 3980 3525 Connection ~ 3980 3525 $Comp L power:GND #PWR0119 U 1 1 5EE1D9D2 P 2385 3195 F 0 "#PWR0119" H 2385 2945 50 0001 C CNN F 1 "GND" H 2390 3022 50 0000 C CNN F 2 "" H 2385 3195 50 0001 C CNN F 3 "" H 2385 3195 50 0001 C CNN 1 2385 3195 1 0 0 -1 $EndComp Wire Wire Line 2385 3125 2510 3125 Wire Wire Line 2385 3195 2385 3125 Wire Wire Line 2600 3225 2510 3225 Wire Wire Line 2510 3225 2510 3125 Connection ~ 2510 3125 Wire Wire Line 2510 3125 2600 3125 Wire Wire Line 3600 1895 4220 1895 Wire Wire Line 3600 1995 4220 1995 Wire Wire Line 3600 2095 4220 2095 Wire Wire Line 3600 2195 4220 2195 Wire Wire Line 3600 2295 4220 2295 Wire Wire Line 3600 2395 4220 2395 Wire Wire Line 3600 2495 4220 2495 Wire Wire Line 3600 2595 4220 2595 Wire Wire Line 3600 3625 4220 3625 Wire Wire Line 3600 3725 4220 3725 Entry Wire Line 4220 3625 4320 3725 Entry Wire Line 4220 3725 4320 3825 Entry Wire Line 4220 1895 4320 1995 Entry Wire Line 4220 1995 4320 2095 Entry Wire Line 4220 2095 4320 2195 Entry Wire Line 4220 2195 4320 2295 Entry Wire Line 4220 2295 4320 2395 Entry Wire Line 4220 2395 4320 2495 Entry Wire Line 4220 2495 4320 2595 Entry Wire Line 4220 2595 4320 2695 Text Label 3835 1895 2 50 ~ 0 bdra3 Text Label 3835 1995 2 50 ~ 0 bdra4 Text Label 3835 2095 2 50 ~ 0 bdra6 Text Label 3835 2195 2 50 ~ 0 bdra8 Text Label 3835 2295 2 50 ~ 0 bdra2 Text Label 3835 2395 2 50 ~ 0 bdra5 Text Label 3835 2495 2 50 ~ 0 bdra7 Text Label 3835 2595 2 50 ~ 0 bdra9 Text Label 3835 3625 2 50 ~ 0 bdra1 Text Label 3835 3725 2 50 ~ 0 bdra0 Wire Bus Line 4320 1200 6165 1200 $Comp L Device:R_Pack05_SIP RP201 U 1 1 5EF1C367 P 5390 2280 F 0 "RP201" H 5390 2625 50 0000 C CNN F 1 "68" H 5390 2530 50 0000 C CNN F 2 "Resistor_THT:R_Array_SIP10" V 6265 2280 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5390 2280 50 0001 C CNN F 4 "MEMORY" H 5390 2280 50 0001 C CNN "Section" F 5 "Y" H 5390 2280 50 0001 C CNN "Required" 1 5390 2280 0 -1 1 0 $EndComp $Comp L Device:R_Pack05_SIP RP202 U 1 1 5EF1C6CE P 5390 3830 F 0 "RP202" H 5390 4175 50 0000 C CNN F 1 "68" H 5390 4080 50 0000 C CNN F 2 "Resistor_THT:R_Array_SIP10" V 6265 3830 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5390 3830 50 0001 C CNN F 4 "MEMORY" H 5390 3830 50 0001 C CNN "Section" F 5 "Y" H 5390 3830 50 0001 C CNN "Required" 1 5390 3830 0 -1 1 0 $EndComp NoConn ~ 5590 1680 NoConn ~ 5590 1780 Text Notes 5885 1770 2 50 ~ 0 SPARE Wire Wire Line 5590 2080 6065 2080 Entry Wire Line 6065 2080 6165 2180 Wire Wire Line 5590 2380 6065 2380 Entry Wire Line 6065 2380 6165 2480 Wire Wire Line 5590 2580 6065 2580 Entry Wire Line 6065 2580 6165 2680 Wire Wire Line 5590 2880 6065 2880 Entry Wire Line 6065 2880 6165 2980 Connection ~ 6165 1200 Wire Bus Line 6165 1200 6730 1200 Text GLabel 6730 1200 2 50 Output ~ 0 BDRA[0..9] Text Label 5830 2880 2 50 ~ 0 bdra4 Text Label 5830 2580 2 50 ~ 0 bdra5 Text Label 5830 2380 2 50 ~ 0 bdra6 Text Label 5830 2080 2 50 ~ 0 bdra7 Wire Wire Line 5590 3630 6065 3630 Entry Wire Line 6065 3630 6165 3730 Wire Wire Line 5590 3930 6065 3930 Entry Wire Line 6065 3930 6165 4030 Wire Wire Line 5590 4230 6065 4230 Entry Wire Line 6065 4230 6165 4330 Wire Wire Line 5590 4430 6065 4430 Entry Wire Line 6065 4430 6165 4530 Text Notes 7270 1855 2 50 ~ 0 bdra9 does not pass\nthrough RP because\nit does not get to\nRAMs. But there's\na spare resistor in case. Wire Wire Line 5590 3330 6065 3330 Entry Wire Line 6065 3330 6165 3430 Text Label 5830 3330 2 50 ~ 0 bdra8 Text Label 5830 3630 2 50 ~ 0 bdra0 Text Label 5830 3930 2 50 ~ 0 bdra1 Text Label 5830 4230 2 50 ~ 0 bdra2 Text Label 5830 4430 2 50 ~ 0 bdra3 Wire Wire Line 5590 1980 7235 1980 Wire Wire Line 5590 2280 7235 2280 Wire Wire Line 5590 2680 6065 2680 Wire Wire Line 6065 2680 6065 2765 Wire Wire Line 6065 2765 7235 2765 Wire Wire Line 5590 2980 6065 2980 Wire Wire Line 6065 2980 6065 3065 Wire Wire Line 6065 3065 7235 3065 Wire Wire Line 5590 4530 6065 4530 Wire Wire Line 6065 4530 6065 4615 Wire Wire Line 6065 4615 7235 4615 Wire Wire Line 5590 3230 7235 3230 Wire Wire Line 5590 3530 7235 3530 Wire Wire Line 5590 3830 7235 3830 Wire Wire Line 5590 4130 7235 4130 Entry Wire Line 7235 4615 7335 4715 Entry Wire Line 7235 4130 7335 4230 Entry Wire Line 7235 3830 7335 3930 Entry Wire Line 7235 3530 7335 3630 Entry Wire Line 7235 3230 7335 3330 Entry Wire Line 7235 3065 7335 3165 Entry Wire Line 7235 2765 7335 2865 Entry Wire Line 7235 2280 7335 2380 Entry Wire Line 7235 1980 7335 2080 Text Label 6060 1980 2 50 ~ 0 ma7 Text Label 6060 2280 2 50 ~ 0 ma6 Text Label 6060 2980 2 50 ~ 0 ma4 Text Label 6060 3230 2 50 ~ 0 ma8 Text Label 6060 3530 2 50 ~ 0 ma0 Text Label 6060 3830 2 50 ~ 0 ma1 Text Label 6060 4130 2 50 ~ 0 ma2 Text Label 6060 4530 2 50 ~ 0 ma3 $Comp L Device:R_Pack05_SIP RP203 U 1 1 5F5CC2F4 P 5390 5940 F 0 "RP203" H 5390 6285 50 0000 C CNN F 1 "68" H 5390 6190 50 0000 C CNN F 2 "Resistor_THT:R_Array_SIP10" V 6265 5940 50 0001 C CNN F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5390 5940 50 0001 C CNN F 4 "MEMORY" H 5390 5940 50 0001 C CNN "Section" F 5 "Y" H 5390 5940 50 0001 C CNN "Required" 1 5390 5940 0 -1 1 0 $EndComp Wire Wire Line 3600 3425 4085 3425 Wire Wire Line 4085 3425 4085 6880 Wire Wire Line 4085 6880 6080 6880 Wire Wire Line 6080 6880 6080 6540 Wire Wire Line 6080 6540 5590 6540 Text Label 5705 5940 0 50 ~ 0 ~bcasu0 Text Label 5705 5340 0 50 ~ 0 ~bras0 Wire Wire Line 5590 5340 6065 5340 Text Label 5705 5640 0 50 ~ 0 ~bras1 Text Label 5705 6540 0 50 ~ 0 ~bwe Wire Wire Line 4085 3425 4605 3425 Connection ~ 4085 3425 Text GLabel 4605 3425 2 50 Output ~ 0 ~BWE $Comp L 74xx:74LS139 U32 U 1 1 5CF5939E P 5165 7570 F 0 "U32" H 5165 7937 50 0000 C CNN F 1 "74LS139" H 5165 7846 50 0000 C CNN F 2 "Package_DIP:DIP-16_W7.62mm_Socket_LongPads" H 5165 7570 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS139" H 5165 7570 50 0001 C CNN F 4 "MEMORY" H 5165 7570 50 0001 C CNN "Section" F 5 "0.615" H 5165 7570 50 0001 C CNN "Cost" F 6 "TI" H 5165 7570 50 0001 C CNN "MFG Name" F 7 "SN74LS139AN" H 5165 7570 50 0001 C CNN "MFG Part Num" 1 5165 7570 1 0 0 -1 $EndComp $Comp L 74xx:74LS139 U32 U 2 1 5CF5975B P 5165 8360 F 0 "U32" H 5165 8727 50 0000 C CNN F 1 "74LS139" H 5165 8636 50 0000 C CNN F 2 "Package_DIP:DIP-16_W7.62mm_Socket_LongPads" H 5165 8360 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS139" H 5165 8360 50 0001 C CNN F 4 "MEMORY" H 5165 8360 50 0001 C CNN "Section" F 5 "0.615" H 5165 8360 50 0001 C CNN "Cost" F 6 "TI" H 5165 8360 50 0001 C CNN "MFG Name" F 7 "SN74LS139AN" H 5165 8360 50 0001 C CNN "MFG Part Num" 2 5165 8360 1 0 0 -1 $EndComp Wire Wire Line 3980 8560 4665 8560 Wire Wire Line 3980 3525 3980 7770 Wire Wire Line 4665 7770 3980 7770 Connection ~ 3980 7770 Wire Wire Line 3980 7770 3980 8560 NoConn ~ 5665 7670 NoConn ~ 5665 7770 NoConn ~ 5665 8460 NoConn ~ 5665 8560 Wire Wire Line 2575 3925 2575 7365 Connection ~ 2575 3925 Wire Wire Line 2575 3925 2050 3925 Wire Wire Line 2480 3825 2480 8155 Connection ~ 2480 3825 Wire Wire Line 2480 3825 2300 3825 Wire Wire Line 4665 8360 4420 8360 Entry Wire Line 4320 8260 4420 8360 Text Label 4420 8360 0 50 ~ 0 bdra9 Wire Wire Line 4665 7570 4420 7570 Entry Wire Line 4320 7470 4420 7570 Text Label 4420 7570 0 50 ~ 0 bdra9 Wire Wire Line 4665 7470 4420 7470 Wire Wire Line 4420 7470 4420 7365 Wire Wire Line 4420 7365 2575 7365 Wire Wire Line 4665 8260 4420 8260 Wire Wire Line 4420 8260 4420 8155 Wire Wire Line 2480 8155 4420 8155 Text Notes 3635 7880 2 50 ~ 0 A600 has a KLUDGE\nhere with a 74LS00.\nIs it needed here too? $Comp L Jumper:Jumper_2_Bridged JP3A1 U 1 1 5D453E68 P 4850 4980 F 0 "JP3A1" H 4850 5060 50 0000 C CNN F 1 "Jumper_2_Bridged" H 4850 5084 50 0001 C CNN F 2 "Raemixx500:Jumper2-Bridged" H 4850 4980 50 0001 C CNN F 3 "~" H 4850 4980 50 0001 C CNN F 4 "SKIP" H 4850 4980 50 0001 C CNN "MFG Name" F 5 "SKIP" H 4850 4980 50 0001 C CNN "MFG Part Num" F 6 "JMP" H 4850 4980 50 0001 C CNN "Section" 1 4850 4980 1 0 0 -1 $EndComp $Comp L Jumper:Jumper_2_Bridged JP3B1 U 1 1 5D4540CC P 4850 5190 F 0 "JP3B1" H 4850 5105 50 0000 C CNN F 1 "Jumper_2_Bridged" H 4850 5294 50 0001 C CNN F 2 "Raemixx500:Jumper2-Bridged" H 4850 5190 50 0001 C CNN F 3 "~" H 4850 5190 50 0001 C CNN F 4 "SKIP" H 4850 5190 50 0001 C CNN "MFG Name" F 5 "SKIP" H 4850 5190 50 0001 C CNN "MFG Part Num" F 6 "JMP" H 4850 5190 50 0001 C CNN "Section" 1 4850 5190 1 0 0 -1 $EndComp Wire Wire Line 3600 4025 3885 4025 Wire Wire Line 3885 4025 3885 4760 Wire Wire Line 3885 4760 5210 4760 Wire Wire Line 5210 4760 5210 4980 Wire Wire Line 5210 4980 5050 4980 Wire Wire Line 4650 5190 3780 5190 Wire Wire Line 3780 5190 3780 4125 Wire Wire Line 3780 4125 3600 4125 Wire Wire Line 5050 5190 6065 5190 Wire Wire Line 6065 5190 6065 5340 Wire Wire Line 4650 4980 4500 4980 Wire Wire Line 4500 4980 4500 5105 Wire Wire Line 4500 5105 6155 5105 Wire Wire Line 6155 5105 6155 5640 Wire Wire Line 5590 5640 6155 5640 Text Notes 5300 5000 0 50 ~ 0 JP3 swaps upper and\nlower RAM banks $Comp L Device:R R201 U 1 1 5D708549 P 7810 1665 F 0 "R201" V 7725 1565 50 0000 L CNN F 1 "4.7k" V 7815 1585 50 0000 L CNN F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 7740 1665 50 0001 C CNN F 3 "~" H 7810 1665 50 0001 C CNN F 4 "MEMORY" H 7810 1665 50 0001 C CNN "Section" F 5 "Y" H 7810 1665 50 0001 C CNN "Required" 1 7810 1665 1 0 0 -1 $EndComp $Comp L Device:R R202 U 1 1 5D708798 P 8160 3785 F 0 "R202" V 8255 3685 50 0000 L CNN F 1 "4.7k" V 8165 3705 50 0000 L CNN F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 8090 3785 50 0001 C CNN F 3 "~" H 8160 3785 50 0001 C CNN F 4 "MEMORY" H 8160 3785 50 0001 C CNN "Section" F 5 "Y" H 8160 3785 50 0001 C CNN "Required" 1 8160 3785 1 0 0 -1 $EndComp Wire Wire Line 7810 1815 7810 1900 Wire Wire Line 8160 3935 8160 4180 Wire Wire Line 7810 1515 7810 1420 Wire Wire Line 8160 3545 8160 3635 $Comp L power:VCC #PWR0120 U 1 1 5D7D48CC P 7810 1420 F 0 "#PWR0120" H 7810 1270 50 0001 C CNN F 1 "VCC" H 7810 1565 50 0000 C CNN F 2 "" H 7810 1420 50 0001 C CNN F 3 "" H 7810 1420 50 0001 C CNN 1 7810 1420 1 0 0 -1 $EndComp Text Label 5980 8360 2 50 ~ 0 ~bcasu1 Text Label 5725 7470 0 50 ~ 0 ~bcasl0 Text Label 5705 6240 0 50 ~ 0 ~bcasl0 Text Label 5730 7570 0 50 ~ 0 ~bcasl1 Wire Wire Line 5665 8360 6000 8360 Text Label 5705 8260 0 50 ~ 0 ~bcasu0 Wire Wire Line 5590 5940 6470 5940 Text Notes 7405 8080 0 50 ~ 0 Note: JP4 bypasses\nU32 for 512K system Text Label 1250 755 0 50 ~ 0 drd[0..15] Text Label 1240 1305 0 50 ~ 0 dra[0..9] Wire Bus Line 1960 1305 1060 1305 Wire Bus Line 8430 755 1085 755 Text Label 6265 1200 0 50 ~ 0 bdra[0..9] $Comp L XX4256:XX4256 U16 U 1 1 5D1C956E P 9300 1700 F 0 "U16" H 9300 2415 50 0000 C CNN F 1 "XX4256" H 9300 2324 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 9300 1700 50 0001 C CNN F 3 "DOCUMENTATION" H 9300 1700 50 0001 C CNN F 4 "MEMORY" H 9300 1700 50 0001 C CNN "Section" F 5 "Y" H 9300 1700 50 0001 C CNN "Required" 1 9300 1700 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U17 U 1 1 5D4117A6 P 10975 1700 F 0 "U17" H 10975 2415 50 0000 C CNN F 1 "XX4256" H 10975 2324 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 10975 1700 50 0001 C CNN F 3 "DOCUMENTATION" H 10975 1700 50 0001 C CNN F 4 "MEMORY" H 10975 1700 50 0001 C CNN "Section" F 5 "Y" H 10975 1700 50 0001 C CNN "Required" 1 10975 1700 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U18 U 1 1 5D42DBCB P 12650 1700 F 0 "U18" H 12650 2415 50 0000 C CNN F 1 "XX4256" H 12650 2324 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 12650 1700 50 0001 C CNN F 3 "DOCUMENTATION" H 12650 1700 50 0001 C CNN F 4 "MEMORY" H 12650 1700 50 0001 C CNN "Section" F 5 "Y" H 12650 1700 50 0001 C CNN "Required" 1 12650 1700 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U19 U 1 1 5D42DBD1 P 14325 1700 F 0 "U19" H 14325 2415 50 0000 C CNN F 1 "XX4256" H 14325 2324 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 14325 1700 50 0001 C CNN F 3 "DOCUMENTATION" H 14325 1700 50 0001 C CNN F 4 "MEMORY" H 14325 1700 50 0001 C CNN "Section" F 5 "Y" H 14325 1700 50 0001 C CNN "Required" 1 14325 1700 1 0 0 -1 $EndComp Wire Wire Line 9800 1250 10080 1250 Wire Wire Line 9800 1350 10080 1350 Wire Wire Line 9800 1450 10080 1450 Wire Wire Line 9800 1550 10080 1550 Wire Wire Line 9800 1650 10080 1650 Wire Wire Line 9800 1750 10080 1750 Wire Wire Line 9800 1850 10080 1850 Wire Wire Line 9800 1950 10080 1950 Wire Wire Line 9800 2050 10080 2050 Entry Wire Line 10080 1250 10180 1150 Entry Wire Line 10080 1350 10180 1250 Entry Wire Line 10080 1450 10180 1350 Entry Wire Line 10080 1550 10180 1450 Entry Wire Line 10080 1650 10180 1550 Entry Wire Line 10080 1750 10180 1650 Entry Wire Line 10080 1850 10180 1750 Entry Wire Line 10080 1950 10180 1850 Entry Wire Line 10080 2050 10180 1950 Wire Bus Line 10180 870 8310 870 Wire Wire Line 8800 1800 8610 1800 Wire Wire Line 5590 6340 7925 6340 Wire Wire Line 8800 1900 8610 1900 Wire Wire Line 8800 2000 7925 2000 Wire Wire Line 7925 2000 7925 2645 Wire Wire Line 8800 2200 8740 2200 Wire Wire Line 8740 2200 8740 2280 $Comp L power:GND #PWR0102 U 1 1 5D516C36 P 8740 2280 F 0 "#PWR0102" H 8740 2030 50 0001 C CNN F 1 "GND" H 8745 2107 50 0000 C CNN F 2 "" H 8740 2280 50 0001 C CNN F 3 "" H 8740 2280 50 0001 C CNN 1 8740 2280 1 0 0 -1 $EndComp Wire Wire Line 5590 6640 8040 6640 Wire Wire Line 8040 6640 8040 5010 Wire Wire Line 8040 2100 8800 2100 Wire Wire Line 8610 1800 8610 1900 Connection ~ 8610 1900 Wire Wire Line 8610 1900 7810 1900 Text Label 9820 1250 0 50 ~ 0 ma8 Text Label 9820 1350 0 50 ~ 0 ma7 Text Label 9820 1450 0 50 ~ 0 ma6 Text Label 9820 1550 0 50 ~ 0 ma5 Text Label 9820 1650 0 50 ~ 0 ma4 Text Label 9820 1750 0 50 ~ 0 ma3 Text Label 9820 1850 0 50 ~ 0 ma2 Text Label 9820 1950 0 50 ~ 0 ma1 Text Label 9820 2050 0 50 ~ 0 ma0 Entry Wire Line 10245 1150 10345 1250 Entry Wire Line 10245 1250 10345 1350 Entry Wire Line 10245 1350 10345 1450 Entry Wire Line 10245 1450 10345 1550 Text Label 10345 1250 0 50 ~ 0 drd7 Text Label 10345 1350 0 50 ~ 0 drd5 Text Label 10345 1450 0 50 ~ 0 drd4 Text Label 10345 1550 0 50 ~ 0 drd6 Wire Bus Line 10245 755 8430 755 Connection ~ 8430 755 Wire Wire Line 10345 1250 10475 1250 Wire Wire Line 10345 1350 10475 1350 Wire Wire Line 10345 1450 10475 1450 Wire Wire Line 10345 1550 10475 1550 Wire Bus Line 11855 870 10180 870 Entry Wire Line 11920 1150 12020 1250 Entry Wire Line 11920 1250 12020 1350 Entry Wire Line 11920 1350 12020 1450 Entry Wire Line 11920 1450 12020 1550 Wire Bus Line 11920 755 10245 755 Connection ~ 10180 870 Wire Bus Line 10180 870 9010 870 Connection ~ 10245 755 Wire Wire Line 12020 1250 12150 1250 Wire Wire Line 12020 1350 12150 1350 Wire Wire Line 12020 1450 12150 1450 Wire Wire Line 12020 1550 12150 1550 Text Label 12025 1250 0 50 ~ 0 drd11 Text Label 12025 1350 0 50 ~ 0 drd9 Text Label 12025 1450 0 50 ~ 0 drd8 Text Label 12025 1550 0 50 ~ 0 drd10 Wire Bus Line 13530 870 11855 870 Entry Wire Line 13595 1150 13695 1250 Entry Wire Line 13595 1250 13695 1350 Entry Wire Line 13595 1350 13695 1450 Entry Wire Line 13595 1450 13695 1550 Wire Bus Line 13595 755 11920 755 Wire Wire Line 13695 1250 13825 1250 Wire Wire Line 13695 1350 13825 1350 Wire Wire Line 13695 1450 13825 1450 Wire Wire Line 13695 1550 13825 1550 Text Label 13700 1250 0 50 ~ 0 drd15 Text Label 13700 1350 0 50 ~ 0 drd13 Text Label 13700 1450 0 50 ~ 0 drd12 Text Label 13700 1550 0 50 ~ 0 drd14 Connection ~ 11855 870 Connection ~ 11920 755 Wire Bus Line 13530 870 15205 870 Connection ~ 13530 870 Wire Wire Line 10475 1900 10245 1900 Wire Wire Line 10245 1900 10245 2560 Wire Wire Line 10475 1800 10245 1800 Wire Wire Line 10245 1800 10245 1900 Connection ~ 10245 1900 Wire Wire Line 10475 2000 10335 2000 Wire Wire Line 10335 2000 10335 2645 Wire Wire Line 10335 2645 7925 2645 Connection ~ 7925 2645 Wire Wire Line 7925 2645 7925 4280 Wire Wire Line 7810 1900 7810 2560 Connection ~ 7810 2560 Wire Wire Line 7810 2560 10245 2560 Wire Wire Line 10475 2100 10415 2100 Wire Wire Line 10415 2100 10415 2730 Wire Wire Line 10415 2730 8040 2730 Connection ~ 8040 2730 Wire Wire Line 8040 2730 8040 2100 $Comp L power:GND #PWR0103 U 1 1 5D7360EC P 10525 2280 F 0 "#PWR0103" H 10525 2030 50 0001 C CNN F 1 "GND" H 10530 2107 50 0000 C CNN F 2 "" H 10525 2280 50 0001 C CNN F 3 "" H 10525 2280 50 0001 C CNN 1 10525 2280 1 0 0 -1 $EndComp Wire Wire Line 10475 2200 10475 2280 Wire Wire Line 10475 2280 10525 2280 Wire Wire Line 12150 1900 11920 1900 Wire Wire Line 11920 1900 11920 2560 Wire Wire Line 12150 1800 11920 1800 Wire Wire Line 11920 1800 11920 1900 Connection ~ 11920 1900 Wire Wire Line 13825 1900 13595 1900 Wire Wire Line 13595 1900 13595 2560 Wire Wire Line 13825 1800 13595 1800 Wire Wire Line 13595 1800 13595 1900 Connection ~ 13595 1900 Wire Wire Line 10245 2560 11920 2560 Connection ~ 10245 2560 Connection ~ 11920 2560 Wire Wire Line 11920 2560 13595 2560 Wire Wire Line 12150 2100 12090 2100 Wire Wire Line 12090 2100 12090 2730 Wire Wire Line 13825 2100 13765 2100 Wire Wire Line 13765 2100 13765 2730 Wire Wire Line 13765 2730 12090 2730 Connection ~ 10415 2730 Connection ~ 12090 2730 Wire Wire Line 12090 2730 10415 2730 $Comp L power:GND #PWR0104 U 1 1 5D7B007D P 12210 2280 F 0 "#PWR0104" H 12210 2030 50 0001 C CNN F 1 "GND" H 12215 2107 50 0000 C CNN F 2 "" H 12210 2280 50 0001 C CNN F 3 "" H 12210 2280 50 0001 C CNN 1 12210 2280 1 0 0 -1 $EndComp Wire Wire Line 12150 2200 12150 2280 Wire Wire Line 12150 2280 12210 2280 $Comp L power:GND #PWR0105 U 1 1 5D7C0247 P 13885 2280 F 0 "#PWR0105" H 13885 2030 50 0001 C CNN F 1 "GND" H 13890 2107 50 0000 C CNN F 2 "" H 13885 2280 50 0001 C CNN F 3 "" H 13885 2280 50 0001 C CNN 1 13885 2280 1 0 0 -1 $EndComp Wire Wire Line 13885 2280 13825 2280 Wire Wire Line 13825 2280 13825 2200 Wire Wire Line 12150 2000 12005 2000 Wire Wire Line 12005 2000 12005 2645 Wire Wire Line 5590 6040 12005 6040 Wire Wire Line 8800 3530 8530 3530 Wire Wire Line 8800 3630 8530 3630 Wire Wire Line 8800 3730 8530 3730 Wire Wire Line 8800 3830 8530 3830 Entry Wire Line 8430 3430 8530 3530 Entry Wire Line 8430 3530 8530 3630 Entry Wire Line 8430 3630 8530 3730 Entry Wire Line 8430 3730 8530 3830 Text Label 8530 3530 0 50 ~ 0 drd3 Text Label 8530 3630 0 50 ~ 0 drd1 Text Label 8530 3730 0 50 ~ 0 drd0 Text Label 8530 3830 0 50 ~ 0 drd2 $Comp L XX4256:XX4256 U20 U 1 1 5D805FD5 P 9300 3980 F 0 "U20" H 9300 4695 50 0000 C CNN F 1 "XX4256" H 9300 4604 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 9300 3980 50 0001 C CNN F 3 "DOCUMENTATION" H 9300 3980 50 0001 C CNN F 4 "MEMORY" H 9300 3980 50 0001 C CNN "Section" 1 9300 3980 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U21 U 1 1 5D805FDB P 10975 3980 F 0 "U21" H 10975 4695 50 0000 C CNN F 1 "XX4256" H 10975 4604 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 10975 3980 50 0001 C CNN F 3 "DOCUMENTATION" H 10975 3980 50 0001 C CNN F 4 "MEMORY" H 10975 3980 50 0001 C CNN "Section" 1 10975 3980 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U22 U 1 1 5D805FE1 P 12650 3980 F 0 "U22" H 12650 4695 50 0000 C CNN F 1 "XX4256" H 12650 4604 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 12650 3980 50 0001 C CNN F 3 "DOCUMENTATION" H 12650 3980 50 0001 C CNN F 4 "MEMORY" H 12650 3980 50 0001 C CNN "Section" 1 12650 3980 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U23 U 1 1 5D805FE7 P 14325 3980 F 0 "U23" H 14325 4695 50 0000 C CNN F 1 "XX4256" H 14325 4604 50 0000 C CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 14325 3980 50 0001 C CNN F 3 "DOCUMENTATION" H 14325 3980 50 0001 C CNN F 4 "MEMORY" H 14325 3980 50 0001 C CNN "Section" 1 14325 3980 1 0 0 -1 $EndComp Wire Wire Line 8800 4280 7925 4280 Wire Wire Line 8800 4480 8740 4480 Wire Wire Line 8740 4480 8740 4560 $Comp L power:GND #PWR0106 U 1 1 5D806005 P 8740 4560 F 0 "#PWR0106" H 8740 4310 50 0001 C CNN F 1 "GND" H 8745 4387 50 0000 C CNN F 2 "" H 8740 4560 50 0001 C CNN F 3 "" H 8740 4560 50 0001 C CNN 1 8740 4560 1 0 0 -1 $EndComp Wire Wire Line 8040 4380 8800 4380 Entry Wire Line 10245 3430 10345 3530 Entry Wire Line 10245 3530 10345 3630 Entry Wire Line 10245 3630 10345 3730 Entry Wire Line 10245 3730 10345 3830 Text Label 10345 3530 0 50 ~ 0 drd7 Text Label 10345 3630 0 50 ~ 0 drd5 Text Label 10345 3730 0 50 ~ 0 drd4 Text Label 10345 3830 0 50 ~ 0 drd6 Wire Wire Line 10345 3530 10475 3530 Wire Wire Line 10345 3630 10475 3630 Wire Wire Line 10345 3730 10475 3730 Wire Wire Line 10345 3830 10475 3830 Wire Bus Line 11855 3150 10180 3150 Entry Wire Line 11920 3430 12020 3530 Entry Wire Line 11920 3530 12020 3630 Entry Wire Line 11920 3630 12020 3730 Entry Wire Line 11920 3730 12020 3830 Connection ~ 10180 3150 Wire Wire Line 12020 3530 12150 3530 Wire Wire Line 12020 3630 12150 3630 Wire Wire Line 12020 3730 12150 3730 Wire Wire Line 12020 3830 12150 3830 Text Label 12025 3530 0 50 ~ 0 drd11 Text Label 12025 3630 0 50 ~ 0 drd9 Text Label 12025 3730 0 50 ~ 0 drd8 Text Label 12025 3830 0 50 ~ 0 drd10 Wire Bus Line 13530 3150 11855 3150 Entry Wire Line 13595 3430 13695 3530 Entry Wire Line 13595 3530 13695 3630 Entry Wire Line 13595 3630 13695 3730 Entry Wire Line 13595 3730 13695 3830 Wire Bus Line 13595 3035 11920 3035 Wire Wire Line 13695 3530 13825 3530 Wire Wire Line 13695 3630 13825 3630 Wire Wire Line 13695 3730 13825 3730 Wire Wire Line 13695 3830 13825 3830 Text Label 13700 3530 0 50 ~ 0 drd15 Text Label 13700 3630 0 50 ~ 0 drd13 Text Label 13700 3730 0 50 ~ 0 drd12 Text Label 13700 3830 0 50 ~ 0 drd14 Connection ~ 11855 3150 Connection ~ 11920 3035 Wire Bus Line 13530 3150 15205 3150 Connection ~ 13530 3150 Wire Wire Line 10475 4180 10245 4180 Wire Wire Line 10245 4180 10245 4840 Wire Wire Line 10475 4280 10335 4280 Wire Wire Line 10335 4280 10335 4925 Wire Wire Line 10335 4925 7925 4925 Wire Wire Line 10475 4380 10415 4380 Wire Wire Line 10415 4380 10415 5010 Wire Wire Line 10415 5010 8040 5010 $Comp L power:GND #PWR0107 U 1 1 5D8060A6 P 10525 4560 F 0 "#PWR0107" H 10525 4310 50 0001 C CNN F 1 "GND" H 10530 4387 50 0000 C CNN F 2 "" H 10525 4560 50 0001 C CNN F 3 "" H 10525 4560 50 0001 C CNN 1 10525 4560 1 0 0 -1 $EndComp Wire Wire Line 10475 4480 10475 4560 Wire Wire Line 10475 4560 10525 4560 Wire Wire Line 12150 4180 11920 4180 Wire Wire Line 11920 4180 11920 4840 Wire Wire Line 13825 4180 13595 4180 Wire Wire Line 13595 4180 13595 4840 Wire Wire Line 10245 4840 11920 4840 Connection ~ 11920 4840 Wire Wire Line 11920 4840 13595 4840 Wire Wire Line 12150 4380 12090 4380 Wire Wire Line 12090 4380 12090 5010 Wire Wire Line 13825 4380 13765 4380 Wire Wire Line 13765 4380 13765 5010 Wire Wire Line 13765 5010 12090 5010 Connection ~ 10415 5010 Connection ~ 12090 5010 Wire Wire Line 12090 5010 10415 5010 $Comp L power:GND #PWR0108 U 1 1 5D8060C4 P 12210 4560 F 0 "#PWR0108" H 12210 4310 50 0001 C CNN F 1 "GND" H 12215 4387 50 0000 C CNN F 2 "" H 12210 4560 50 0001 C CNN F 3 "" H 12210 4560 50 0001 C CNN 1 12210 4560 1 0 0 -1 $EndComp Wire Wire Line 12150 4480 12150 4560 Wire Wire Line 12150 4560 12210 4560 $Comp L power:GND #PWR0109 U 1 1 5D8060CC P 13885 4560 F 0 "#PWR0109" H 13885 4310 50 0001 C CNN F 1 "GND" H 13890 4387 50 0000 C CNN F 2 "" H 13885 4560 50 0001 C CNN F 3 "" H 13885 4560 50 0001 C CNN 1 13885 4560 1 0 0 -1 $EndComp Wire Wire Line 13885 4560 13825 4560 Wire Wire Line 13825 4560 13825 4480 Wire Wire Line 12150 4280 12005 4280 Connection ~ 7925 4280 Wire Wire Line 7925 4280 7925 4925 Connection ~ 7925 4925 Wire Wire Line 7925 4925 7925 6340 Connection ~ 8040 4380 Wire Wire Line 8040 4380 8040 2730 Connection ~ 8040 5010 Wire Wire Line 8040 5010 8040 4380 Connection ~ 12005 4280 Wire Wire Line 12005 4280 12005 4925 Connection ~ 8430 3035 Wire Bus Line 8310 3150 8310 870 Wire Bus Line 8310 3150 10180 3150 Connection ~ 8310 870 Wire Bus Line 8310 870 7335 870 Wire Bus Line 8430 3035 10245 3035 Connection ~ 10245 3035 Wire Bus Line 10245 3035 11920 3035 Wire Wire Line 13825 4280 13680 4280 Wire Wire Line 13680 4280 13680 4925 Wire Wire Line 13680 4925 12005 4925 Connection ~ 12005 4925 Wire Wire Line 12005 4925 12005 6040 Wire Wire Line 7810 2560 7810 2945 Wire Wire Line 8160 5740 8160 4840 Wire Wire Line 8160 4180 8800 4180 Wire Wire Line 10245 4840 8160 4840 Connection ~ 10245 4840 Connection ~ 8160 4840 Wire Wire Line 8800 4080 7810 4080 Connection ~ 7810 4080 Wire Wire Line 7810 4080 7810 5440 Wire Wire Line 10475 4080 10210 4080 Wire Wire Line 10210 4080 10210 2945 Wire Wire Line 10210 2945 7810 2945 Connection ~ 7810 2945 Wire Wire Line 7810 2945 7810 4080 Wire Wire Line 10210 2945 11890 2945 Wire Wire Line 11890 2945 11890 4080 Wire Wire Line 11890 4080 12150 4080 Connection ~ 10210 2945 Wire Wire Line 11890 2945 13560 2945 Wire Wire Line 13560 2945 13560 4080 Wire Wire Line 13560 4080 13825 4080 Connection ~ 11890 2945 $Comp L Jumper:Jumper_3_Open JP4A1 U 1 1 5DCD8A02 P 7185 7470 F 0 "JP4A1" H 7185 7602 50 0000 C CNN F 1 "Jumper_3_Open" H 7185 7693 50 0001 C CNN F 2 "Raemixx500:Jumper3-Open" H 7185 7470 50 0001 C CNN F 3 "~" H 7185 7470 50 0001 C CNN F 4 "SKIP" H 7185 7470 50 0001 C CNN "MFG Name" F 5 "SKIP" H 7185 7470 50 0001 C CNN "MFG Part Num" F 6 "JMP" H 7185 7470 50 0001 C CNN "Section" F 7 "Y" H 7185 7470 50 0001 C CNN "Required" 1 7185 7470 1 0 0 1 $EndComp Wire Wire Line 6155 7570 6155 7705 Wire Wire Line 5665 7570 6155 7570 Text GLabel 7805 7705 2 50 Output ~ 0 ~BCASL1 Wire Wire Line 3600 3925 4210 3925 Wire Wire Line 4210 3925 4210 7105 Wire Wire Line 5590 6240 6710 6240 Wire Wire Line 5665 7470 6710 7470 Wire Wire Line 6710 6240 6710 7470 Wire Wire Line 6155 7705 7605 7705 Wire Wire Line 6710 7470 6935 7470 Connection ~ 6710 7470 Wire Wire Line 7185 7105 7185 7320 Wire Wire Line 7435 7470 7605 7470 Wire Wire Line 7605 7470 7605 7705 Connection ~ 7605 7705 Wire Wire Line 7605 7705 7805 7705 Wire Wire Line 4210 7105 7185 7105 $Comp L Jumper:Jumper_3_Open JP4B1 U 1 1 5E08E93D P 7185 8260 F 0 "JP4B1" H 7185 8392 50 0000 C CNN F 1 "Jumper_3_Open" H 7185 8483 50 0001 C CNN F 2 "Raemixx500:Jumper3-Open" H 7185 8260 50 0001 C CNN F 3 "~" H 7185 8260 50 0001 C CNN F 4 "SKIP" H 7185 8260 50 0001 C CNN "MFG Name" F 5 "SKIP" H 7185 8260 50 0001 C CNN "MFG Part Num" F 6 "JMP" H 7185 8260 50 0001 C CNN "Section" F 7 "Y" H 7185 8260 50 0001 C CNN "Required" 1 7185 8260 1 0 0 1 $EndComp Text GLabel 7805 8495 2 50 Output ~ 0 ~BCASU1 Wire Wire Line 7435 8260 7605 8260 Wire Wire Line 7605 8260 7605 8495 Connection ~ 7605 8495 Wire Wire Line 7605 8495 7805 8495 Wire Wire Line 6000 8360 6000 8495 Wire Wire Line 6000 8495 7605 8495 Wire Wire Line 3600 3825 3670 3825 Wire Wire Line 3670 3825 3670 7935 Wire Wire Line 3670 7935 7185 7935 Wire Wire Line 7185 7935 7185 8110 Wire Wire Line 6470 5940 6470 8260 Wire Wire Line 5665 8260 6470 8260 Connection ~ 6470 8260 Wire Wire Line 6470 8260 6935 8260 Text Label 6060 2680 2 50 ~ 0 ma5 Wire Wire Line 11475 1250 11755 1250 Wire Wire Line 11475 1350 11755 1350 Wire Wire Line 11475 1450 11755 1450 Wire Wire Line 11475 1550 11755 1550 Wire Wire Line 11475 1650 11755 1650 Wire Wire Line 11475 1750 11755 1750 Wire Wire Line 11475 1850 11755 1850 Wire Wire Line 11475 1950 11755 1950 Wire Wire Line 11475 2050 11755 2050 Entry Wire Line 11755 1250 11855 1150 Entry Wire Line 11755 1350 11855 1250 Entry Wire Line 11755 1450 11855 1350 Entry Wire Line 11755 1550 11855 1450 Entry Wire Line 11755 1650 11855 1550 Entry Wire Line 11755 1750 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"MEMORY" H 12980 7125 50 0001 C CNN "Section" 2 12980 7125 1 0 0 -1 $EndComp $Comp L Device:C C16 U 1 1 5CCC91AE P 11465 7130 F 0 "C16" H 11580 7176 50 0000 L CNN F 1 "330n" H 11580 7085 50 0000 L CNN F 2 "Raemixx500:C_Axial_L6.3mm_D2.5mm_P10.16mm" H 11503 6980 50 0001 C CNN F 3 "~" H 11465 7130 50 0001 C CNN F 4 "KEMET" H 11465 7130 50 0001 C CNN "MFG Name" F 5 "C412C334M5U5TA" H 11465 7130 50 0001 C CNN "MFG Part Num" F 6 "0.078" H 11465 7130 50 0001 C CNN "Cost" F 7 "MEMORY" H 11465 7130 50 0001 C CNN "Section" F 8 "R" H 11465 7130 50 0001 C CNN "Required" 1 11465 7130 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U17 U 2 1 5CD19B32 P 14510 7125 F 0 "U17" H 14738 7171 50 0000 L CNN F 1 "XX4256" H 14738 7080 50 0000 L CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 14510 7125 50 0001 C CNN F 3 "DOCUMENTATION" H 14510 7125 50 0001 C CNN F 4 "MEMORY" H 14510 7125 50 0001 C CNN "Section" F 5 "Y" H 14510 7125 50 0001 C CNN "Required" 2 14510 7125 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U21 U 2 1 5CD19B38 P 15395 7125 F 0 "U21" H 15623 7171 50 0000 L CNN F 1 "XX4256" H 15623 7080 50 0000 L CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 15395 7125 50 0001 C CNN F 3 "DOCUMENTATION" H 15395 7125 50 0001 C CNN F 4 "MEMORY" H 15395 7125 50 0001 C CNN "Section" 2 15395 7125 1 0 0 -1 $EndComp $Comp L Device:C C17 U 1 1 5CD19B3E P 13880 7130 F 0 "C17" H 13995 7176 50 0000 L CNN F 1 "330n" H 13995 7085 50 0000 L CNN F 2 "Raemixx500:C_Axial_L6.3mm_D2.5mm_P10.16mm" H 13918 6980 50 0001 C CNN F 3 "~" H 13880 7130 50 0001 C CNN F 4 "KEMET" H 13880 7130 50 0001 C CNN "MFG Name" F 5 "C412C334M5U5TA" H 13880 7130 50 0001 C CNN "MFG Part Num" F 6 "0.078" H 13880 7130 50 0001 C CNN "Cost" F 7 "MEMORY" H 13880 7130 50 0001 C CNN "Section" F 8 "R" H 13880 7130 50 0001 C CNN "Required" 1 13880 7130 1 0 0 -1 $EndComp $Comp L Device:C C20 U 1 1 5CD69C13 P 15425 8910 F 0 "C20" H 15540 8956 50 0000 L CNN F 1 "330n" H 15540 8865 50 0000 L CNN F 2 "Raemixx500:C_Axial_L6.3mm_D2.5mm_P10.16mm" H 15463 8760 50 0001 C CNN F 3 "~" H 15425 8910 50 0001 C CNN F 4 "KEMET" H 15425 8910 50 0001 C CNN "MFG Name" F 5 "C412C334M5U5TA" H 15425 8910 50 0001 C CNN "MFG Part Num" F 6 "0.078" H 15425 8910 50 0001 C CNN "Cost" F 7 "MEMORY" H 15425 8910 50 0001 C CNN "Section" F 8 "R" H 15425 8910 50 0001 C CNN "Required" 1 15425 8910 1 0 0 -1 $EndComp Wire Wire Line 11465 6980 11465 6430 Wire Wire Line 15395 6430 15395 6675 Wire Wire Line 12095 6675 12095 6430 Wire Wire Line 11465 6430 12095 6430 Connection ~ 12095 6430 Wire Wire Line 12095 6430 12980 6430 Wire Wire Line 12980 6675 12980 6430 Connection ~ 12980 6430 Wire Wire Line 12980 6430 13880 6430 Wire Wire Line 13880 6980 13880 6430 Connection ~ 13880 6430 Wire Wire Line 13880 6430 14510 6430 Wire Wire Line 14510 6675 14510 6430 Connection ~ 14510 6430 Wire Wire Line 14510 6430 15395 6430 Wire Wire Line 11465 7280 11465 7785 Wire Wire Line 11465 7785 12095 7785 Wire Wire Line 15395 7785 15395 7575 Wire Wire Line 14510 7575 14510 7785 Connection ~ 14510 7785 Wire Wire Line 14510 7785 15395 7785 Wire Wire Line 13880 7280 13880 7785 Connection ~ 13880 7785 Wire Wire Line 13880 7785 14510 7785 Wire Wire Line 12980 7575 12980 7785 Connection ~ 12980 7785 Wire Wire Line 12980 7785 13880 7785 Wire Wire Line 12095 7575 12095 7785 Connection ~ 12095 7785 Wire Wire Line 12095 7785 12980 7785 $Comp L XX4256:XX4256 U18 U 2 1 5CF36D4C P 11210 8905 F 0 "U18" H 11438 8951 50 0000 L CNN F 1 "XX4256" H 11438 8860 50 0000 L CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 11210 8905 50 0001 C CNN F 3 "DOCUMENTATION" H 11210 8905 50 0001 C CNN F 4 "MEMORY" H 11210 8905 50 0001 C CNN "Section" F 5 "Y" H 11210 8905 50 0001 C CNN "Required" 2 11210 8905 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U22 U 2 1 5CF36D52 P 12095 8905 F 0 "U22" H 12323 8951 50 0000 L CNN F 1 "XX4256" H 12323 8860 50 0000 L CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 12095 8905 50 0001 C CNN F 3 "DOCUMENTATION" H 12095 8905 50 0001 C CNN F 4 "MEMORY" H 12095 8905 50 0001 C CNN "Section" 2 12095 8905 1 0 0 -1 $EndComp $Comp L Device:C C18 U 1 1 5CF36D58 P 10580 8910 F 0 "C18" H 10695 8956 50 0000 L CNN F 1 "330n" H 10695 8865 50 0000 L CNN F 2 "Raemixx500:C_Axial_L6.3mm_D2.5mm_P10.16mm" H 10618 8760 50 0001 C CNN F 3 "~" H 10580 8910 50 0001 C CNN F 4 "KEMET" H 10580 8910 50 0001 C CNN "MFG Name" F 5 "C412C334M5U5TA" H 10580 8910 50 0001 C CNN "MFG Part Num" F 6 "0.078" H 10580 8910 50 0001 C CNN "Cost" F 7 "MEMORY" H 10580 8910 50 0001 C CNN "Section" F 8 "R" H 10580 8910 50 0001 C CNN "Required" 1 10580 8910 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U19 U 2 1 5CF36D5E P 13625 8905 F 0 "U19" H 13853 8951 50 0000 L CNN F 1 "XX4256" H 13853 8860 50 0000 L CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 13625 8905 50 0001 C CNN F 3 "DOCUMENTATION" H 13625 8905 50 0001 C CNN F 4 "MEMORY" H 13625 8905 50 0001 C CNN "Section" F 5 "Y" H 13625 8905 50 0001 C CNN "Required" 2 13625 8905 1 0 0 -1 $EndComp $Comp L XX4256:XX4256 U23 U 2 1 5CF36D64 P 14510 8905 F 0 "U23" H 14738 8951 50 0000 L CNN F 1 "XX4256" H 14738 8860 50 0000 L CNN F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 14510 8905 50 0001 C CNN F 3 "DOCUMENTATION" H 14510 8905 50 0001 C CNN F 4 "MEMORY" H 14510 8905 50 0001 C CNN "Section" 2 14510 8905 1 0 0 -1 $EndComp $Comp L Device:C C19 U 1 1 5CF36D6A P 12995 8910 F 0 "C19" H 13110 8956 50 0000 L CNN F 1 "330n" H 13110 8865 50 0000 L CNN F 2 "Raemixx500:C_Axial_L6.3mm_D2.5mm_P10.16mm" H 13033 8760 50 0001 C CNN F 3 "~" H 12995 8910 50 0001 C CNN F 4 "KEMET" H 12995 8910 50 0001 C CNN "MFG Name" F 5 "C412C334M5U5TA" H 12995 8910 50 0001 C CNN "MFG Part Num" F 6 "0.078" H 12995 8910 50 0001 C CNN "Cost" F 7 "MEMORY" H 12995 8910 50 0001 C CNN "Section" F 8 "R" H 12995 8910 50 0001 C CNN "Required" 1 12995 8910 1 0 0 -1 $EndComp Wire Wire Line 10580 8760 10580 8210 Wire Wire Line 14510 8210 14510 8455 Wire Wire Line 11210 8455 11210 8210 Wire Wire Line 10580 8210 11210 8210 Connection ~ 11210 8210 Wire Wire Line 11210 8210 12095 8210 Wire Wire Line 12095 8455 12095 8210 Connection ~ 12095 8210 Wire Wire Line 12095 8210 12995 8210 Wire Wire Line 12995 8760 12995 8210 Connection ~ 12995 8210 Wire Wire Line 12995 8210 13625 8210 Wire Wire Line 13625 8455 13625 8210 Connection ~ 13625 8210 Wire Wire Line 13625 8210 14510 8210 Wire Wire Line 10580 9060 10580 9565 Wire Wire Line 10580 9565 11210 9565 Wire Wire Line 14510 9565 14510 9355 Wire Wire Line 13625 9355 13625 9565 Connection ~ 13625 9565 Wire Wire Line 13625 9565 14510 9565 Wire Wire Line 12995 9060 12995 9565 Connection ~ 12995 9565 Wire Wire Line 12995 9565 13625 9565 Wire Wire Line 12095 9355 12095 9565 Connection ~ 12095 9565 Wire Wire Line 12095 9565 12995 9565 Wire Wire Line 11210 9355 11210 9565 Connection ~ 11210 9565 Wire Wire Line 11210 9565 12095 9565 Wire Wire Line 14510 8210 15425 8210 Wire Wire Line 15425 8210 15425 8760 Connection ~ 14510 8210 Wire Wire Line 15425 9060 15425 9565 Wire Wire Line 15425 9565 14510 9565 Connection ~ 14510 9565 $Comp L power:GND #PWR0110 U 1 1 5D02799A P 12995 9675 F 0 "#PWR0110" H 12995 9425 50 0001 C CNN F 1 "GND" H 13000 9502 50 0000 C CNN F 2 "" H 12995 9675 50 0001 C CNN F 3 "" H 12995 9675 50 0001 C CNN 1 12995 9675 1 0 0 -1 $EndComp Wire Wire Line 12995 9675 12995 9565 $Comp L power:GND #PWR0111 U 1 1 5D088159 P 13880 7895 F 0 "#PWR0111" H 13880 7645 50 0001 C CNN F 1 "GND" H 13885 7722 50 0000 C CNN F 2 "" H 13880 7895 50 0001 C CNN F 3 "" H 13880 7895 50 0001 C CNN 1 13880 7895 1 0 0 -1 $EndComp Wire Wire Line 13880 7895 13880 7785 $Comp L power:VCC #PWR0112 U 1 1 5D0B8601 P 13880 6385 F 0 "#PWR0112" H 13880 6235 50 0001 C CNN F 1 "VCC" H 13880 6530 50 0000 C CNN F 2 "" H 13880 6385 50 0001 C CNN F 3 "" H 13880 6385 50 0001 C CNN 1 13880 6385 1 0 0 -1 $EndComp Wire Wire Line 13880 6385 13880 6430 $Comp L power:VCC #PWR0113 U 1 1 5D0E8A40 P 12995 8165 F 0 "#PWR0113" H 12995 8015 50 0001 C CNN F 1 "VCC" H 12995 8310 50 0000 C CNN F 2 "" H 12995 8165 50 0001 C CNN F 3 "" H 12995 8165 50 0001 C CNN 1 12995 8165 1 0 0 -1 $EndComp Wire Wire Line 12995 8165 12995 8210 Wire Wire Line 13825 2000 13680 2000 Wire Wire Line 13680 2000 13680 2645 Wire Wire Line 13680 2645 12005 2645 Connection ~ 12005 2645 Wire Wire Line 12005 2645 12005 4280 Connection ~ 7810 1900 Wire Wire Line 5590 5440 7810 5440 Wire Wire Line 8160 4840 8160 4180 Connection ~ 8160 4180 Wire Wire Line 5590 5740 8160 5740 $Comp L power:VCC #PWR0114 U 1 1 5D47A406 P 8160 3545 F 0 "#PWR0114" H 8160 3395 50 0001 C CNN F 1 "VCC" H 8160 3690 50 0000 C CNN F 2 "" H 8160 3545 50 0001 C CNN F 3 "" H 8160 3545 50 0001 C CNN 1 8160 3545 1 0 0 -1 $EndComp Wire Wire Line 6065 5190 6785 5190 Connection ~ 6065 5190 Wire Wire Line 6155 5105 7135 5105 Connection ~ 6155 5105 Text GLabel 7135 5105 2 50 Output ~ 0 ~BRAS1 Text GLabel 6785 5190 2 50 Output ~ 0 ~BRAS0 Text Notes 12165 5610 0 50 ~ 0 Note: U20-23, U32 not loaded for 512K system\n\nRequired chips are 256k×4.\n\nFor a list of compatible RAM chips see:\nhttps://www.amiga-stuff.com/hardware/256kx4-dram.html Wire Bus Line 10245 755 10245 1450 Wire Bus Line 11920 755 11920 1450 Wire Bus Line 13595 755 13595 1450 Wire Bus Line 11920 3035 11920 3730 Wire Bus Line 13595 3035 13595 3730 Wire Bus Line 8430 3035 8430 3730 Wire Bus Line 8430 755 8430 3035 Wire Bus Line 10245 3035 10245 3730 Wire Bus Line 11855 3150 11855 4230 Wire Bus Line 13530 3150 13530 4230 Wire Bus Line 15205 3150 15205 4230 Wire Bus Line 15205 870 15205 1950 Wire Bus Line 13530 870 13530 1950 Wire Bus Line 11855 870 11855 1950 Wire Bus Line 10180 870 10180 1950 Wire Bus Line 1960 1305 1960 3625 Wire Bus Line 6165 1200 6165 4530 Wire Bus Line 4320 1200 4320 8260 Wire Bus Line 10180 3150 10180 4230 Wire Bus Line 7335 870 7335 4715 $EndSCHEMATC