RC6502-Apple-1-Replica/RC6502 RAM/RC6502 RAM.sch

EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:rc6502_backplane
LIBS:RC6502 RAM-cache
EELAYER 25 0
EELAYER END
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Title ""
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NoConn ~ 10300 4050
NoConn ~ 10300 4150
NoConn ~ 10300 4250
NoConn ~ 10300 4650
NoConn ~ 10300 5550
NoConn ~ 10300 5650
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RC6502 Enhanced RAM/ROM board
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B
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NoConn ~ 10300 4550
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F 3 "" H 10250 1100 50  0001 C CNN
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$EndComp
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F 3 "" H 10500 4050 50  0001 C CNN
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F 2 "" H 9875 3825 50  0001 C CNN
F 3 "" H 9875 3825 50  0001 C CNN
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Wire Wire Line
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F 1 "VCC" H 10000 3825 50  0000 C CNN
F 2 "" H 10000 3675 50  0001 C CNN
F 3 "" H 10000 3675 50  0001 C CNN
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Wire Wire Line
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F 1 "GND" H 10850 1250 50  0000 C CNN
F 2 "" H 10850 1400 50  0001 C CNN
F 3 "" H 10850 1400 50  0001 C CNN
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	1    0    0    -1  
$EndComp
$Comp
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F 3 "" H 9650 800 50  0001 C CNN
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	1    0    0    -1  
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$Comp
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F 2 "" H 900 7400 50  0001 C CNN
F 3 "" H 900 7400 50  0001 C CNN
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Wire Wire Line
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$Comp
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F 3 "" H 4350 1650 50  0001 C CNN
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L 74LS00 U5
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	-1   0    0    1   
$EndComp
$Comp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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PHI2
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~WE
Wire Wire Line
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Wire Wire Line
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$EndComp
$Comp
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	-1   0    0    1   
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
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$EndComp
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Text GLabel 2250 6925 2    60   Output ~ 0
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Text GLabel 2250 7125 2    60   Output ~ 0
~CS5
Text GLabel 2250 7225 2    60   Output ~ 0
~CS6
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L VCC #PWR07
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F 3 "" H 2125 5125 50  0001 C CNN
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$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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L Jumper_NC_Dual JP4
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$EndComp
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Wire Wire Line
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$Comp
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F 3 "" H 2550 5400 50  0001 C CNN
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	1    0    0    -1  
$EndComp
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Wire Wire Line
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Wire Wire Line
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$Comp
L Jumper_NC_Dual JP5
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Wire Wire Line
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$Comp
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F 3 "" H 2975 5675 50  0001 C CNN
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$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
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F 3 "" H 3075 6025 50  0001 C CNN
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Wire Wire Line
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$Comp
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F 2 "" H 3400 5950 50  0001 C CNN
F 3 "" H 3400 5950 50  0001 C CNN
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$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L Jumper_NC_Dual JP7
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F 3 "" H 3475 6300 50  0001 C CNN
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	-1   0    0    1   
$EndComp
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$Comp
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F 2 "" H 3800 6225 50  0001 C CNN
F 3 "" H 3800 6225 50  0001 C CNN
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	1    0    0    -1  
$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L Jumper_NC_Dual JP8
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P 3900 6575
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F 3 "" H 3900 6575 50  0001 C CNN
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	-1   0    0    1   
$EndComp
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Wire Wire Line
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$Comp
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P 4225 6500
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F 1 "VCC" H 4225 6650 50  0000 C CNN
F 2 "" H 4225 6500 50  0001 C CNN
F 3 "" H 4225 6500 50  0001 C CNN
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	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L Jumper_NC_Dual JP12
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F 3 "" H 4325 6850 50  0001 C CNN
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	-1   0    0    1   
$EndComp
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Wire Wire Line
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$Comp
L VCC #PWR013
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P 4650 6775
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F 1 "VCC" H 4650 6925 50  0000 C CNN
F 2 "" H 4650 6775 50  0001 C CNN
F 3 "" H 4650 6775 50  0001 C CNN
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	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L Jumper_NC_Dual JP13
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P 4750 7125
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F 1 "CS7_EN" H 4750 7225 50  0000 C BNN
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F 3 "" H 4750 7125 50  0001 C CNN
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	-1   0    0    1   
$EndComp
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Wire Wire Line
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$Comp
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F 1 "VCC" H 5075 7200 50  0000 C CNN
F 2 "" H 5075 7050 50  0001 C CNN
F 3 "" H 5075 7050 50  0001 C CNN
	1    5075 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	5925 4675 6000 4675
Wire Wire Line
	6000 4675 6000 4225
Wire Wire Line
	6000 4225 6075 4225
Wire Wire Line
	4250 3575 6000 3575
Wire Wire Line
	6000 3575 6000 4025
Wire Wire Line
	6000 4025 6075 4025
Text GLabel 7350 4125 2    60   Output ~ 0
~CS
Wire Wire Line
	7275 4125 7350 4125
$Comp
L C C1
U 1 1 5C1E1F71
P 9650 1100
F 0 "C1" H 9675 1200 50  0000 L CNN
F 1 "100nF" H 9675 1000 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 9688 950 50  0001 C CNN
F 3 "" H 9650 1100 50  0001 C CNN
	1    9650 1100
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 5C1E2346
P 10550 1100
F 0 "C4" H 10575 1200 50  0000 L CNN
F 1 "100nF" H 10575 1000 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10588 950 50  0001 C CNN
F 3 "" H 10550 1100 50  0001 C CNN
	1    10550 1100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9650 1250 9650 1325
Wire Wire Line
	9650 1325 10850 1325
Wire Wire Line
	9950 1325 9950 1250
Wire Wire Line
	10250 1325 10250 1250
Connection ~ 9950 1325
Connection ~ 10250 1325
Wire Wire Line
	9650 800  9650 950 
Wire Wire Line
	9650 875  10850 875 
Wire Wire Line
	9950 875  9950 950 
Wire Wire Line
	10250 875  10250 950 
Connection ~ 9950 875 
Wire Wire Line
	10550 875  10550 950 
Connection ~ 10250 875 
Connection ~ 9650 875 
$Comp
L GND #PWR015
U 1 1 5C1E3B47
P 6600 7500
F 0 "#PWR015" H 6600 7250 50  0001 C CNN
F 1 "GND" H 6600 7350 50  0000 C CNN
F 2 "" H 6600 7500 50  0001 C CNN
F 3 "" H 6600 7500 50  0001 C CNN
	1    6600 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 7350 6500 7425
Wire Wire Line
	6500 7425 6700 7425
Wire Wire Line
	6700 7425 6700 7350
Wire Wire Line
	6600 7500 6600 7425
Connection ~ 6600 7425
NoConn ~ 6600 6150
$Comp
L C C5
U 1 1 5C1EB83C
P 10850 1100
F 0 "C5" H 10875 1200 50  0000 L CNN
F 1 "100nF" H 10875 1000 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10888 950 50  0001 C CNN
F 3 "" H 10850 1100 50  0001 C CNN
	1    10850 1100
	1    0    0    -1  
$EndComp
Wire Wire Line
	10850 875  10850 950 
Connection ~ 10550 875 
Wire Wire Line
	10850 1250 10850 1400
Wire Wire Line
	10550 1250 10550 1325
Connection ~ 10550 1325
Connection ~ 10850 1325
$Comp
L Jumper_NC_Dual JP9
U 1 1 5C1ECAEA
P 3500 1325
F 0 "JP9" H 3550 1225 50  0000 L CNN
F 1 "LO/HI" H 3500 1425 50  0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 3500 1325 50  0001 C CNN
F 3 "" H 3500 1325 50  0001 C CNN
	1    3500 1325
	0    1    1    0   
$EndComp
Wire Wire Line
	3325 1325 3400 1325
Wire Wire Line
	5100 1000 3500 1000
Wire Wire Line
	3500 1000 3500 1075
Wire Wire Line
	3500 1575 3500 1650
Wire Wire Line
	3500 1650 3750 1650
Wire Wire Line
	5100 1000 5100 1650
Wire Wire Line
	5100 1325 5175 1325
Connection ~ 5100 1325
Text Notes 7025 6775 0    60   ~ 0
Enhanced RAM board with added support for ROM ICs of type 28C64 or 28C256, can be\naddressed high/low. Individual 4k blocks can be enabled via jumpers.
$Comp
L 74LS08 U3
U 1 1 5C68602F
P 2125 4175
F 0 "U3" H 2125 4225 50  0000 C CNN
F 1 "74LS08" H 2125 4125 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 2125 4175 50  0001 C CNN
F 3 "" H 2125 4175 50  0001 C CNN
	1    2125 4175
	0    -1   -1   0   
$EndComp
$Comp
L 74LS08 U3
U 2 1 5C6865C4
P 2975 4725
F 0 "U3" H 2975 4775 50  0000 C CNN
F 1 "74LS08" H 2975 4675 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 2975 4725 50  0001 C CNN
F 3 "" H 2975 4725 50  0001 C CNN
	2    2975 4725
	0    -1   -1   0   
$EndComp
$Comp
L 74LS08 U3
U 3 1 5C686812
P 3800 5275
F 0 "U3" H 3800 5325 50  0000 C CNN
F 1 "74LS08" H 3800 5225 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3800 5275 50  0001 C CNN
F 3 "" H 3800 5275 50  0001 C CNN
	3    3800 5275
	0    -1   -1   0   
$EndComp
$Comp
L 74LS08 U3
U 4 1 5C68689D
P 4650 5825
F 0 "U3" H 4650 5875 50  0000 C CNN
F 1 "74LS08" H 4650 5775 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 4650 5825 50  0001 C CNN
F 3 "" H 4650 5825 50  0001 C CNN
	4    4650 5825
	0    -1   -1   0   
$EndComp
$Comp
L 74LS08 U4
U 1 1 5C687BF2
P 3650 3575
F 0 "U4" H 3650 3625 50  0000 C CNN
F 1 "74LS08" H 3650 3525 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3650 3575 50  0001 C CNN
F 3 "" H 3650 3575 50  0001 C CNN
	1    3650 3575
	1    0    0    -1  
$EndComp
$Comp
L 74LS08 U4
U 2 1 5C687CAF
P 5325 4675
F 0 "U4" H 5325 4725 50  0000 C CNN
F 1 "74LS08" H 5325 4625 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 5325 4675 50  0001 C CNN
F 3 "" H 5325 4675 50  0001 C CNN
	2    5325 4675
	1    0    0    -1  
$EndComp
$Comp
L 74LS08 U4
U 3 1 5C687D29
P 6675 4125
F 0 "U4" H 6675 4175 50  0000 C CNN
F 1 "74LS08" H 6675 4075 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 6675 4125 50  0001 C CNN
F 3 "" H 6675 4125 50  0001 C CNN
	3    6675 4125
	1    0    0    -1  
$EndComp
$Comp
L 74LS08 U4
U 4 1 5C687DB2
P 6600 6750
F 0 "U4" H 6600 6800 50  0000 C CNN
F 1 "74LS08" H 6600 6700 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 6600 6750 50  0001 C CNN
F 3 "" H 6600 6750 50  0001 C CNN
	4    6600 6750
	0    -1   -1   0   
$EndComp
$EndSCHEMATC