Victor9000-RAM-Clock.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Victor 9000 RAM Expansion"
Date ""
Rev "v01"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 "by Florian Reitz"
$EndDescr
$Comp
L 74xx:74LS139 U3
U 2 1 6191C41C
P 3300 2250
F 0 "U3" H 3300 2617 50  0000 C CNN
F 1 "74LS139" H 3300 2526 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 3300 2250 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/sn74ls139a.pdf" H 3300 2250 50  0001 C CNN
	2    3300 2250
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS11 U2
U 2 1 6191E150
P 4700 1500
F 0 "U2" H 4700 1825 50  0000 C CNN
F 1 "74LS11" H 4700 1734 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 4700 1500 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS11" H 4700 1500 50  0001 C CNN
	2    4700 1500
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS11 U2
U 1 1 6192483A
P 4100 3100
F 0 "U2" H 4100 3425 50  0000 C CNN
F 1 "74LS11" H 4100 3334 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 4100 3100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS11" H 4100 3100 50  0001 C CNN
	1    4100 3100
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS00 U1
U 3 1 619270E7
P 5650 1850
F 0 "U1" H 5650 1550 50  0000 C CNN
F 1 "74LS00" H 5650 1650 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5650 1850 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 5650 1850 50  0001 C CNN
	3    5650 1850
	1    0    0    1   
$EndComp
$Comp
L 74xx:74LS00 U1
U 2 1 6192B369
P 6400 2150
F 0 "U1" H 6400 2475 50  0000 C CNN
F 1 "74LS00" H 6400 2384 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 6400 2150 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6400 2150 50  0001 C CNN
	2    6400 2150
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS00 U1
U 1 1 6192ED41
P 5650 2650
F 0 "U1" H 5650 2975 50  0000 C CNN
F 1 "74LS00" H 5650 2884 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 5650 2650 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 5650 2650 50  0001 C CNN
	1    5650 2650
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS00 U1
U 4 1 61936297
P 2400 2450
F 0 "U1" H 2400 2775 50  0000 C CNN
F 1 "74LS00" H 2400 2684 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 2400 2450 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 2400 2450 50  0001 C CNN
	4    2400 2450
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS245 U6
U 1 1 6193CDAD
P 7550 1650
F 0 "U6" H 7750 2350 50  0000 C CNN
F 1 "74LS245" H 7750 950 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 7550 1650 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 7550 1650 50  0001 C CNN
	1    7550 1650
	1    0    0    -1  
$EndComp
$Comp
L Memory_RAM:AS6C4008-55PCN U5
U 1 1 619422AA
P 7550 4900
F 0 "U5" H 7750 6000 50  0000 C CNN
F 1 "AS6C4008-55PCN" H 7950 3800 50  0000 C CNN
F 2 "Package_DIP:DIP-32_W15.24mm" H 7550 5000 50  0001 C CNN
F 3 "https://www.alliancememory.com/wp-content/uploads/pdf/AS6C4008.pdf" H 7550 5000 50  0001 C CNN
	1    7550 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 1500 5050 1750
Wire Wire Line
	5050 1750 5350 1750
Wire Wire Line
	5050 2250 5050 1950
Wire Wire Line
	5050 1950 5350 1950
Wire Wire Line
	6700 2150 7050 2150
Wire Wire Line
	6100 2250 6000 2250
Wire Wire Line
	6000 2250 6000 2650
Wire Wire Line
	6000 2650 5950 2650
Wire Wire Line
	5350 2550 5200 2550
Wire Wire Line
	5200 2550 5200 2650
Wire Wire Line
	5200 2750 5350 2750
Wire Wire Line
	2000 2350 2000 2550
Wire Wire Line
	2800 1600 2000 1600
Wire Wire Line
	2000 1600 2000 2350
Wire Wire Line
	2800 1300 2600 1300
Wire Wire Line
	2600 2150 2800 2150
Wire Wire Line
	2800 1400 2700 1400
Wire Wire Line
	2700 1400 2700 2250
Wire Wire Line
	2700 2250 2800 2250
Wire Wire Line
	2600 1300 2600 2150
Wire Wire Line
	1750 1400 2700 1400
Connection ~ 2700 1400
Wire Wire Line
	1750 1300 2600 1300
Connection ~ 2600 1300
Text Label 1750 1300 0    50   ~ 0
A18
Text Label 1750 1400 0    50   ~ 0
A17
Text Label 1750 1600 0    50   ~ 0
A19
Wire Wire Line
	2700 2450 2800 2450
Connection ~ 2000 1600
Connection ~ 2000 2350
Wire Wire Line
	2000 2350 2100 2350
Wire Wire Line
	1750 1600 2000 1600
Wire Wire Line
	2000 2550 2100 2550
Connection ~ 5200 2650
Wire Wire Line
	5200 2650 5200 2750
Wire Wire Line
	4950 2650 5200 2650
Text Label 4950 2650 0    50   ~ 0
IO_~M
$Comp
L Device:Jumper JP1
U 1 1 6196A9A5
P 4100 1400
F 0 "JP1" H 4100 1550 50  0000 C CNN
F 1 "Jumper" H 4100 1573 50  0001 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 4100 1400 50  0001 C CNN
F 3 "~" H 4100 1400 50  0001 C CNN
	1    4100 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 1500 5050 1500
Wire Wire Line
	4400 1250 4400 1400
Connection ~ 4400 1400
Wire Wire Line
	3800 1500 4400 1500
Wire Wire Line
	3800 1600 4400 1600
Wire Wire Line
	5000 2250 5050 2250
Wire Wire Line
	3800 2150 4400 2150
Wire Wire Line
	3800 2250 4400 2250
Wire Wire Line
	3800 2350 4400 2350
Wire Bus Line
	8350 1850 8350 1000
Wire Bus Line
	8350 1000 8500 1000
Text Label 8350 1000 0    50   ~ 0
DQ[0..7]
Wire Bus Line
	6700 1000 6850 1000
Wire Bus Line
	6850 1000 6850 1850
Text Label 6700 1000 0    50   ~ 0
BD[0..7]
Wire Wire Line
	8050 1850 8350 1850
Wire Wire Line
	8050 1750 8350 1750
Wire Wire Line
	8050 1650 8350 1650
Wire Wire Line
	8050 1550 8350 1550
Wire Wire Line
	8050 1450 8350 1450
Wire Wire Line
	8050 1350 8350 1350
Wire Wire Line
	8050 1250 8350 1250
Wire Wire Line
	8050 1150 8350 1150
Wire Wire Line
	7050 1150 6850 1150
Wire Wire Line
	7050 1250 6850 1250
Wire Wire Line
	7050 1350 6850 1350
Wire Wire Line
	7050 1450 6850 1450
Wire Wire Line
	7050 1550 6850 1550
Wire Wire Line
	7050 1650 6850 1650
Wire Wire Line
	7050 1750 6850 1750
Wire Wire Line
	7050 1850 6850 1850
Wire Wire Line
	6750 2050 7050 2050
Text Label 6750 2050 0    50   ~ 0
DT_~R
Text Label 6900 1150 0    50   ~ 0
BD7
Text Label 6900 1250 0    50   ~ 0
BD6
Text Label 6900 1350 0    50   ~ 0
BD4
Text Label 6900 1450 0    50   ~ 0
BD5
Text Label 6900 1550 0    50   ~ 0
BD3
Text Label 6900 1650 0    50   ~ 0
BD2
Text Label 8150 1150 0    50   ~ 0
DQ3
Text Label 8150 1250 0    50   ~ 0
DQ4
Text Label 8150 1350 0    50   ~ 0
DQ2
Text Label 8150 1450 0    50   ~ 0
DQ5
Text Label 8150 1550 0    50   ~ 0
DQ1
Text Label 8150 1650 0    50   ~ 0
DQ6
Text Label 8150 1850 0    50   ~ 0
DQ7
Wire Bus Line
	6550 3850 6700 3850
Wire Bus Line
	6700 3850 6700 4700
Wire Bus Line
	6400 4750 6550 4750
Wire Wire Line
	7050 4000 6700 4000
Wire Wire Line
	7050 4100 6700 4100
Wire Wire Line
	7050 4200 6700 4200
Wire Wire Line
	7050 4300 6700 4300
Wire Wire Line
	7050 4400 6700 4400
Wire Wire Line
	7050 4500 6700 4500
Wire Wire Line
	7050 4600 6700 4600
Wire Wire Line
	7050 4700 6700 4700
Wire Bus Line
	6550 4750 6550 5800
Wire Wire Line
	7050 4800 6550 4800
Wire Wire Line
	7050 4900 6550 4900
Wire Wire Line
	7050 5000 6550 5000
Wire Wire Line
	7050 5100 6550 5100
Wire Wire Line
	7050 5200 6550 5200
Wire Wire Line
	7050 5300 6550 5300
Wire Wire Line
	7050 5400 6550 5400
Wire Wire Line
	7050 5500 6550 5500
Wire Wire Line
	7050 5600 6550 5600
Wire Wire Line
	7050 5700 6550 5700
Wire Wire Line
	7050 5800 6550 5800
Wire Wire Line
	3800 3000 3700 3000
Wire Wire Line
	3700 3000 3700 3100
Wire Wire Line
	3700 3100 3800 3100
Wire Wire Line
	3800 3200 3700 3200
Wire Wire Line
	3700 3200 3700 3100
Connection ~ 3700 3100
Wire Bus Line
	8400 3850 8250 3850
Wire Bus Line
	8250 3850 8250 4700
Wire Wire Line
	8050 4700 8250 4700
Wire Wire Line
	8050 4600 8250 4600
Wire Wire Line
	8050 4500 8250 4500
Wire Wire Line
	8050 4400 8250 4400
Wire Wire Line
	8050 4300 8250 4300
Wire Wire Line
	8050 4200 8250 4200
Wire Wire Line
	8050 4100 8250 4100
Wire Wire Line
	8050 4000 8250 4000
Text Label 8250 3850 0    50   ~ 0
DQ[0..7]
Text Label 6550 3850 0    50   ~ 0
A[0..7]
Text Label 6400 4750 0    50   ~ 0
A[8..19]
Wire Wire Line
	8050 5000 8250 5000
Wire Wire Line
	8050 5100 8250 5100
Wire Wire Line
	8050 5200 8250 5200
Text Label 8100 4000 0    50   ~ 0
DQ0
Text Label 8100 4100 0    50   ~ 0
DQ1
Text Label 8100 4200 0    50   ~ 0
DQ2
Text Label 8100 4300 0    50   ~ 0
DQ3
Text Label 8100 4400 0    50   ~ 0
DQ4
Text Label 8100 4500 0    50   ~ 0
DQ5
Text Label 8100 4600 0    50   ~ 0
DQ6
Text Label 8100 4700 0    50   ~ 0
DQ7
Text Label 8100 5000 0    50   ~ 0
~EN1
Text Label 8100 5100 0    50   ~ 0
DT_~R
Text Label 8100 5200 0    50   ~ 0
~SSO
Text Label 6850 4000 0    50   ~ 0
A0
Text Label 6850 4100 0    50   ~ 0
A1
Text Label 6850 4200 0    50   ~ 0
A2
Text Label 6850 4300 0    50   ~ 0
A3
Text Label 6850 4400 0    50   ~ 0
A4
Text Label 6850 4500 0    50   ~ 0
A5
Text Label 6850 4600 0    50   ~ 0
A6
Text Label 6850 4700 0    50   ~ 0
A7
Text Label 6850 4800 0    50   ~ 0
A8
Text Label 6850 4900 0    50   ~ 0
A9
Text Label 6850 5000 0    50   ~ 0
A10
Text Label 6850 5100 0    50   ~ 0
A11
Text Label 6850 5200 0    50   ~ 0
A12
Text Label 6850 5300 0    50   ~ 0
A13
Text Label 6850 5400 0    50   ~ 0
A14
Text Label 6850 5500 0    50   ~ 0
A15
Text Label 6850 5600 0    50   ~ 0
A16
Text Label 6850 5700 0    50   ~ 0
A17
Text Label 6850 5800 0    50   ~ 0
A18
Wire Wire Line
	5050 1500 5300 1500
Connection ~ 5050 1500
Wire Wire Line
	5050 2250 5300 2250
Connection ~ 5050 2250
Text Label 5200 1500 0    50   ~ 0
~EN1
Text Label 5200 2250 0    50   ~ 0
~EN2
$Comp
L power:+5V #PWR08
U 1 1 61A93695
P 4400 850
F 0 "#PWR08" H 4400 700 50  0001 C CNN
F 1 "+5V" H 4500 950 50  0000 C CNN
F 2 "" H 4400 850 50  0001 C CNN
F 3 "" H 4400 850 50  0001 C CNN
	1    4400 850 
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR011
U 1 1 61A9625F
P 7550 800
F 0 "#PWR011" H 7550 650 50  0001 C CNN
F 1 "+5V" H 7650 900 50  0000 C CNN
F 2 "" H 7550 800 50  0001 C CNN
F 3 "" H 7550 800 50  0001 C CNN
	1    7550 800 
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR09
U 1 1 61A98994
P 7550 3750
F 0 "#PWR09" H 7550 3600 50  0001 C CNN
F 1 "+5V" H 7565 3923 50  0000 C CNN
F 2 "" H 7550 3750 50  0001 C CNN
F 3 "" H 7550 3750 50  0001 C CNN
	1    7550 3750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR04
U 1 1 61A9C055
P 2950 7550
F 0 "#PWR04" H 2950 7300 50  0001 C CNN
F 1 "GND" H 2955 7377 50  0000 C CNN
F 2 "" H 2950 7550 50  0001 C CNN
F 3 "" H 2950 7550 50  0001 C CNN
	1    2950 7550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR010
U 1 1 61A9D2D5
P 7550 6100
F 0 "#PWR010" H 7550 5850 50  0001 C CNN
F 1 "GND" H 7555 5927 50  0000 C CNN
F 2 "" H 7550 6100 50  0001 C CNN
F 3 "" H 7550 6100 50  0001 C CNN
	1    7550 6100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR012
U 1 1 61A9E0B5
P 7550 2500
F 0 "#PWR012" H 7550 2250 50  0001 C CNN
F 1 "GND" H 7555 2327 50  0000 C CNN
F 2 "" H 7550 2500 50  0001 C CNN
F 3 "" H 7550 2500 50  0001 C CNN
	1    7550 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	7550 800  7550 850 
Wire Wire Line
	7550 2450 7550 2500
Wire Wire Line
	7550 3750 7550 3800
Wire Wire Line
	7550 6000 7550 6100
Wire Wire Line
	3550 3100 3700 3100
$Comp
L 74xx:74LS139 U3
U 1 1 6191B1FB
P 3300 1400
F 0 "U3" H 3300 1767 50  0000 C CNN
F 1 "74LS139" H 3300 1676 50  0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 3300 1400 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/sn74ls139a.pdf" H 3300 1400 50  0001 C CNN
	1    3300 1400
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS00 U1
U 5 1 61AD35E5
P 1050 7000
F 0 "U1" H 1280 7046 50  0000 L CNN
F 1 "74LS00" H 1280 6955 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 1050 7000 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 1050 7000 50  0001 C CNN
	5    1050 7000
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS11 U2
U 4 1 61AE041C
P 1800 7000
F 0 "U2" H 2030 7046 50  0000 L CNN
F 1 "74LS11" H 2030 6955 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 1800 7000 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS11" H 1800 7000 50  0001 C CNN
	4    1800 7000
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS139 U3
U 3 1 61AE3211
P 2550 7000
F 0 "U3" H 2780 7046 50  0000 L CNN
F 1 "74LS139" H 2780 6955 50  0000 L CNN
F 2 "Package_DIP:DIP-16_W7.62mm" H 2550 7000 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/sn74ls139a.pdf" H 2550 7000 50  0001 C CNN
	3    2550 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C1
U 1 1 61AFEAC6
P 3250 7000
F 0 "C1" H 3342 7046 50  0000 L CNN
F 1 "100n" H 3342 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 3250 7000 50  0001 C CNN
F 3 "~" H 3250 7000 50  0001 C CNN
	1    3250 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C2
U 1 1 61B0E2C6
P 3600 7000
F 0 "C2" H 3692 7046 50  0000 L CNN
F 1 "100n" H 3692 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 3600 7000 50  0001 C CNN
F 3 "~" H 3600 7000 50  0001 C CNN
	1    3600 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 61B0EA83
P 3900 7000
F 0 "C3" H 3992 7046 50  0000 L CNN
F 1 "100n" H 3992 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 3900 7000 50  0001 C CNN
F 3 "~" H 3900 7000 50  0001 C CNN
	1    3900 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C4
U 1 1 61B0F05D
P 4200 7000
F 0 "C4" H 4292 7046 50  0000 L CNN
F 1 "100n" H 4292 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 4200 7000 50  0001 C CNN
F 3 "~" H 4200 7000 50  0001 C CNN
	1    4200 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C5
U 1 1 61B0F363
P 4550 7000
F 0 "C5" H 4642 7046 50  0000 L CNN
F 1 "100n" H 4642 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 4550 7000 50  0001 C CNN
F 3 "~" H 4550 7000 50  0001 C CNN
	1    4550 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C6
U 1 1 61B0FE7F
P 4900 7000
F 0 "C6" H 4992 7046 50  0000 L CNN
F 1 "100n" H 4992 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 4900 7000 50  0001 C CNN
F 3 "~" H 4900 7000 50  0001 C CNN
	1    4900 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C7
U 1 1 61B1077F
P 5250 7000
F 0 "C7" H 5342 7046 50  0000 L CNN
F 1 "100n" H 5342 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 5250 7000 50  0001 C CNN
F 3 "~" H 5250 7000 50  0001 C CNN
	1    5250 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1050 7500 1050 7550
Wire Wire Line
	1050 7550 1800 7550
Wire Wire Line
	5250 7550 5250 7100
Wire Wire Line
	4900 7100 4900 7550
Connection ~ 4900 7550
Wire Wire Line
	4900 7550 5250 7550
Wire Wire Line
	4550 7100 4550 7550
Connection ~ 4550 7550
Wire Wire Line
	4550 7550 4900 7550
Wire Wire Line
	4200 7100 4200 7550
Connection ~ 4200 7550
Wire Wire Line
	4200 7550 4550 7550
Wire Wire Line
	3900 7100 3900 7550
Connection ~ 3900 7550
Wire Wire Line
	3900 7550 4200 7550
Wire Wire Line
	3600 7100 3600 7550
Connection ~ 3600 7550
Wire Wire Line
	3600 7550 3900 7550
Wire Wire Line
	3250 7100 3250 7550
Connection ~ 3250 7550
Wire Wire Line
	3250 7550 3600 7550
Wire Wire Line
	2550 7500 2550 7550
Connection ~ 2550 7550
Wire Wire Line
	2550 7550 2950 7550
Wire Wire Line
	1800 7500 1800 7550
Connection ~ 1800 7550
Wire Wire Line
	1800 7550 2550 7550
Wire Wire Line
	1050 6500 1050 6450
Wire Wire Line
	1050 6450 1800 6450
Wire Wire Line
	5250 6450 5250 6900
Wire Wire Line
	1800 6500 1800 6450
Connection ~ 1800 6450
Wire Wire Line
	1800 6450 2550 6450
Wire Wire Line
	2550 6500 2550 6450
Connection ~ 2550 6450
Wire Wire Line
	2550 6450 2950 6450
Wire Wire Line
	3250 6900 3250 6450
Connection ~ 3250 6450
Wire Wire Line
	3250 6450 3600 6450
Wire Wire Line
	3600 6900 3600 6450
Connection ~ 3600 6450
Wire Wire Line
	3600 6450 3900 6450
Wire Wire Line
	3900 6900 3900 6450
Connection ~ 3900 6450
Wire Wire Line
	3900 6450 4200 6450
Wire Wire Line
	4200 6900 4200 6450
Wire Wire Line
	4550 6900 4550 6450
Wire Wire Line
	4550 6450 4900 6450
Wire Wire Line
	4900 6900 4900 6450
Connection ~ 4900 6450
Wire Wire Line
	4900 6450 5250 6450
Connection ~ 2950 7550
Wire Wire Line
	2950 7550 3250 7550
Connection ~ 5250 7550
Wire Wire Line
	4200 6450 4550 6450
Connection ~ 4200 6450
Connection ~ 4550 6450
$Comp
L power:+5V #PWR03
U 1 1 61C09C04
P 2950 6350
F 0 "#PWR03" H 2950 6200 50  0001 C CNN
F 1 "+5V" H 2965 6523 50  0000 C CNN
F 2 "" H 2950 6350 50  0001 C CNN
F 3 "" H 2950 6350 50  0001 C CNN
	1    2950 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 6350 2950 6450
Connection ~ 2950 6450
Wire Wire Line
	2950 6450 3250 6450
$Comp
L Device:CP C9
U 1 1 61C13BF5
P 6050 7000
F 0 "C9" H 6168 7046 50  0000 L CNN
F 1 "10u" H 6168 6955 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D4.0mm_P1.50mm" H 6088 6850 50  0001 C CNN
F 3 "~" H 6050 7000 50  0001 C CNN
	1    6050 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 6850 6050 6450
Wire Wire Line
	6050 6450 5650 6450
Connection ~ 5250 6450
Wire Wire Line
	6050 7150 6050 7550
$Comp
L Memory_RAM:AS6C4008-55PCN U7
U 1 1 61C77EA2
P 9800 4900
F 0 "U7" H 10000 6000 50  0000 C CNN
F 1 "AS6C4008-55PCN" H 10200 3800 50  0000 C CNN
F 2 "Package_DIP:DIP-32_W15.24mm" H 9800 5000 50  0001 C CNN
F 3 "https://www.alliancememory.com/wp-content/uploads/pdf/AS6C4008.pdf" H 9800 5000 50  0001 C CNN
	1    9800 4900
	1    0    0    -1  
$EndComp
Wire Bus Line
	8800 3850 8950 3850
Wire Bus Line
	8950 3850 8950 4700
Wire Bus Line
	8650 4750 8800 4750
Wire Wire Line
	9300 4000 8950 4000
Wire Wire Line
	9300 4100 8950 4100
Wire Wire Line
	9300 4200 8950 4200
Wire Wire Line
	9300 4300 8950 4300
Wire Wire Line
	9300 4400 8950 4400
Wire Wire Line
	9300 4500 8950 4500
Wire Wire Line
	9300 4600 8950 4600
Wire Wire Line
	9300 4700 8950 4700
Wire Bus Line
	8800 4750 8800 5800
Wire Wire Line
	9300 4800 8800 4800
Wire Wire Line
	9300 4900 8800 4900
Wire Wire Line
	9300 5000 8800 5000
Wire Wire Line
	9300 5100 8800 5100
Wire Wire Line
	9300 5200 8800 5200
Wire Wire Line
	9300 5300 8800 5300
Wire Wire Line
	9300 5400 8800 5400
Wire Wire Line
	9300 5500 8800 5500
Wire Wire Line
	9300 5600 8800 5600
Wire Wire Line
	9300 5700 8800 5700
Wire Wire Line
	9300 5800 8800 5800
Wire Bus Line
	10650 3850 10500 3850
Wire Bus Line
	10500 3850 10500 4700
Wire Wire Line
	10300 4700 10500 4700
Wire Wire Line
	10300 4600 10500 4600
Wire Wire Line
	10300 4500 10500 4500
Wire Wire Line
	10300 4400 10500 4400
Wire Wire Line
	10300 4300 10500 4300
Wire Wire Line
	10300 4200 10500 4200
Wire Wire Line
	10300 4100 10500 4100
Wire Wire Line
	10300 4000 10500 4000
Text Label 10500 3850 0    50   ~ 0
DQ[0..7]
Text Label 8800 3850 0    50   ~ 0
A[0..7]
Text Label 8650 4750 0    50   ~ 0
A[8..19]
Wire Wire Line
	10300 5000 10500 5000
Wire Wire Line
	10300 5100 10500 5100
Wire Wire Line
	10300 5200 10500 5200
Text Label 10350 4000 0    50   ~ 0
DQ0
Text Label 10350 4100 0    50   ~ 0
DQ1
Text Label 10350 4200 0    50   ~ 0
DQ2
Text Label 10350 4300 0    50   ~ 0
DQ3
Text Label 10350 4400 0    50   ~ 0
DQ4
Text Label 10350 4500 0    50   ~ 0
DQ5
Text Label 10350 4600 0    50   ~ 0
DQ6
Text Label 10350 4700 0    50   ~ 0
DQ7
Text Label 10350 5000 0    50   ~ 0
~EN2_B
Text Label 10350 5100 0    50   ~ 0
DT_~R
Text Label 10350 5200 0    50   ~ 0
~SSO
Text Label 9100 4000 0    50   ~ 0
A0
Text Label 9100 4100 0    50   ~ 0
A1
Text Label 9100 4200 0    50   ~ 0
A2
Text Label 9100 4300 0    50   ~ 0
A3
Text Label 9100 4400 0    50   ~ 0
A4
Text Label 9100 4500 0    50   ~ 0
A5
Text Label 9100 4600 0    50   ~ 0
A6
Text Label 9100 4700 0    50   ~ 0
A7
Text Label 9100 4800 0    50   ~ 0
A8
Text Label 9100 4900 0    50   ~ 0
A9
Text Label 9100 5000 0    50   ~ 0
A10
Text Label 9100 5100 0    50   ~ 0
A11
Text Label 9100 5200 0    50   ~ 0
A12
Text Label 9100 5300 0    50   ~ 0
A13
Text Label 9100 5400 0    50   ~ 0
A14
Text Label 9100 5500 0    50   ~ 0
A15
Text Label 9100 5600 0    50   ~ 0
A16
Text Label 9100 5700 0    50   ~ 0
A17
Text Label 9100 5800 0    50   ~ 0
A18
$Comp
L power:GND #PWR014
U 1 1 61C77EED
P 9800 6100
F 0 "#PWR014" H 9800 5850 50  0001 C CNN
F 1 "GND" H 9805 5927 50  0000 C CNN
F 2 "" H 9800 6100 50  0001 C CNN
F 3 "" H 9800 6100 50  0001 C CNN
	1    9800 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9800 3750 9800 3800
Wire Wire Line
	9800 6000 9800 6100
$Comp
L power:+5V #PWR013
U 1 1 61C85A0E
P 9800 3750
F 0 "#PWR013" H 9800 3600 50  0001 C CNN
F 1 "+5V" H 9815 3923 50  0000 C CNN
F 2 "" H 9800 3750 50  0001 C CNN
F 3 "" H 9800 3750 50  0001 C CNN
	1    9800 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 5350 4200 5500
Wire Wire Line
	4350 5350 4200 5350
$Comp
L power:GND #PWR05
U 1 1 61A9B214
P 4200 5500
F 0 "#PWR05" H 4200 5250 50  0001 C CNN
F 1 "GND" H 4205 5327 50  0000 C CNN
F 2 "" H 4200 5500 50  0001 C CNN
F 3 "" H 4200 5500 50  0001 C CNN
	1    4200 5500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR07
U 1 1 61A9A780
P 4850 5650
F 0 "#PWR07" H 4850 5400 50  0001 C CNN
F 1 "GND" H 4855 5477 50  0000 C CNN
F 2 "" H 4850 5650 50  0001 C CNN
F 3 "" H 4850 5650 50  0001 C CNN
	1    4850 5650
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR06
U 1 1 61A97F13
P 4850 4050
F 0 "#PWR06" H 4850 3900 50  0001 C CNN
F 1 "+5V" H 4865 4223 50  0000 C CNN
F 2 "" H 4850 4050 50  0001 C CNN
F 3 "" H 4850 4050 50  0001 C CNN
	1    4850 4050
	1    0    0    -1  
$EndComp
Text Label 4200 5250 0    50   ~ 0
ALE
Text Label 5400 5050 0    50   ~ 0
A0
Text Label 5400 4950 0    50   ~ 0
A1
Text Label 5400 4850 0    50   ~ 0
A2
Text Label 5400 4750 0    50   ~ 0
A3
Text Label 5400 4650 0    50   ~ 0
A7
Text Label 5400 4550 0    50   ~ 0
A6
Text Label 5400 4450 0    50   ~ 0
A5
Text Label 5400 4350 0    50   ~ 0
A4
Wire Wire Line
	5350 5050 5600 5050
Wire Wire Line
	5350 4950 5600 4950
Wire Wire Line
	5350 4850 5600 4850
Wire Wire Line
	5350 4750 5600 4750
Wire Wire Line
	5350 4650 5600 4650
Wire Wire Line
	5350 4550 5600 4550
Wire Wire Line
	5350 4450 5600 4450
Wire Wire Line
	5350 4350 5600 4350
Wire Wire Line
	4350 5250 4100 5250
Text Label 5600 4200 0    50   ~ 0
A[0..7]
Wire Bus Line
	5600 4200 5600 5050
Wire Bus Line
	5750 4200 5600 4200
$Comp
L 74xx:74LS373 U4
U 1 1 6193A937
P 4850 4850
F 0 "U4" H 5000 5550 50  0000 C CNN
F 1 "74LS373" H 5100 4150 50  0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm" H 4850 4850 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS373" H 4850 4850 50  0001 C CNN
	1    4850 4850
	1    0    0    -1  
$EndComp
Text Label 4200 5050 0    50   ~ 0
BD7
Text Label 4200 4950 0    50   ~ 0
BD4
Text Label 4200 4850 0    50   ~ 0
BD3
Text Label 4200 4750 0    50   ~ 0
BD0
Text Label 4200 4650 0    50   ~ 0
BD1
Text Label 4200 4550 0    50   ~ 0
BD2
Text Label 4200 4350 0    50   ~ 0
BD6
Text Label 4200 4450 0    50   ~ 0
BD5
Wire Wire Line
	4350 5050 4150 5050
Wire Wire Line
	4350 4950 4150 4950
Wire Wire Line
	4350 4850 4150 4850
Wire Wire Line
	4350 4750 4150 4750
Wire Wire Line
	4350 4650 4150 4650
Wire Wire Line
	4350 4550 4150 4550
Wire Wire Line
	4350 4450 4150 4450
Wire Wire Line
	4350 4350 4150 4350
Text Label 4000 4200 0    50   ~ 0
BD[0..7]
Wire Bus Line
	4150 4200 4150 5050
Wire Bus Line
	4000 4200 4150 4200
Text Label 2200 3900 0    50   ~ 0
A10
Text Label 2200 3800 0    50   ~ 0
A11
Text Label 2200 3700 0    50   ~ 0
A12
Text Label 2200 3600 0    50   ~ 0
A13
Text Label 2200 3500 0    50   ~ 0
A14
Text Label 2200 3400 0    50   ~ 0
A15
Text Label 2200 3300 0    50   ~ 0
A16
Text Label 2200 3200 0    50   ~ 0
A17
Text Label 2200 3100 0    50   ~ 0
A18
Text Label 2200 3000 0    50   ~ 0
A19
Wire Wire Line
	2100 3900 2450 3900
Wire Wire Line
	2100 3800 2450 3800
Wire Wire Line
	2100 3700 2450 3700
Wire Wire Line
	2100 3600 2450 3600
Wire Wire Line
	2100 3500 2450 3500
Wire Wire Line
	2100 3400 2450 3400
Wire Wire Line
	2100 3300 2450 3300
Wire Wire Line
	2100 3200 2450 3200
Wire Wire Line
	2100 3100 2450 3100
Wire Wire Line
	2100 3000 2450 3000
Wire Bus Line
	2600 2900 2450 2900
$Comp
L Victor9000:Expansion_Connector H1
U 1 1 61B7B5EB
P 1600 4200
F 0 "H1" H 3000 3900 50  0001 C CNN
F 1 "Expansion_Connector" H 1600 2350 50  0000 C CNN
F 2 "victor-exp:Victor Expansion Edge Connector" H 2450 4400 50  0001 C CNN
F 3 "" H 2450 4400 50  0001 C CNN
	1    1600 4200
	1    0    0    -1  
$EndComp
Text Label 2200 4000 0    50   ~ 0
A09
$Comp
L power:+5V #PWR01
U 1 1 61FD3E20
P 2200 5150
F 0 "#PWR01" H 2200 5000 50  0001 C CNN
F 1 "+5V" H 2300 5150 50  0000 C CNN
F 2 "" H 2200 5150 50  0001 C CNN
F 3 "" H 2200 5150 50  0001 C CNN
	1    2200 5150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 61FD5D7E
P 2200 5950
F 0 "#PWR02" H 2200 5700 50  0001 C CNN
F 1 "GND" H 2205 5777 50  0000 C CNN
F 2 "" H 2200 5950 50  0001 C CNN
F 3 "" H 2200 5950 50  0001 C CNN
	1    2200 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 5200 2200 5200
Wire Wire Line
	2200 5200 2200 5150
Wire Bus Line
	2600 4200 2450 4200
Wire Bus Line
	2450 4200 2450 5000
Wire Wire Line
	2100 4300 2450 4300
Wire Wire Line
	2100 4400 2450 4400
Wire Wire Line
	2100 4500 2450 4500
Wire Wire Line
	2100 4600 2450 4600
Wire Wire Line
	2100 4700 2450 4700
Wire Wire Line
	2100 4800 2450 4800
Wire Wire Line
	2100 4900 2450 4900
Wire Wire Line
	2100 5000 2450 5000
Text Label 2200 4300 0    50   ~ 0
BD7
Text Label 2200 4400 0    50   ~ 0
BD6
Text Label 2200 4500 0    50   ~ 0
BD5
Text Label 2200 4600 0    50   ~ 0
BD4
Text Label 2200 4700 0    50   ~ 0
BD3
Text Label 2200 4800 0    50   ~ 0
BD2
Text Label 2200 4900 0    50   ~ 0
BD1
Text Label 2200 5000 0    50   ~ 0
BD0
Wire Wire Line
	1050 5300 850  5300
Wire Wire Line
	1050 5500 850  5500
Wire Wire Line
	1050 4500 850  4500
Wire Wire Line
	1050 5400 850  5400
Text Label 850  4500 0    50   ~ 0
ALE
Text Label 850  5300 0    50   ~ 0
IO_~M
Text Label 850  5400 0    50   ~ 0
~SSO
Text Label 850  5500 0    50   ~ 0
DT_~R
Wire Wire Line
	4400 850  4400 950 
$Comp
L Device:R R1
U 1 1 61968409
P 4400 1100
F 0 "R1" H 4470 1146 50  0000 L CNN
F 1 "10k" H 4470 1055 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4330 1100 50  0001 C CNN
F 3 "~" H 4400 1100 50  0001 C CNN
	1    4400 1100
	-1   0    0    1   
$EndComp
NoConn ~ 3800 2450
NoConn ~ 4400 3100
NoConn ~ 1050 3100
NoConn ~ 1050 3200
NoConn ~ 1050 3300
NoConn ~ 1050 3400
NoConn ~ 1050 3600
NoConn ~ 1050 3700
NoConn ~ 1050 3800
NoConn ~ 1050 4000
NoConn ~ 1050 4100
NoConn ~ 1050 4200
NoConn ~ 1050 4300
NoConn ~ 1050 4600
NoConn ~ 1050 4700
NoConn ~ 1050 4800
NoConn ~ 1050 4900
NoConn ~ 1050 5000
NoConn ~ 1050 5100
NoConn ~ 2100 5400
NoConn ~ 3800 1300
Wire Wire Line
	2100 4000 2450 4000
Text Label 2200 4100 0    50   ~ 0
A08
Text Label 2450 2900 0    50   ~ 0
A[8..19]
Wire Wire Line
	2100 4100 2450 4100
Text Label 6900 1750 0    50   ~ 0
BD0
Text Label 8150 1750 0    50   ~ 0
DQ0
Text Label 6900 1850 0    50   ~ 0
BD1
$Comp
L 74xx:74LS11 U2
U 3 1 61921D98
P 4700 2250
F 0 "U2" H 4700 2575 50  0000 C CNN
F 1 "74LS11" H 4700 2484 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 4700 2250 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS11" H 4700 2250 50  0001 C CNN
	3    4700 2250
	1    0    0    1   
$EndComp
NoConn ~ 2100 5500
Wire Wire Line
	2100 5300 2200 5300
Wire Wire Line
	2200 5300 2200 5200
Connection ~ 2200 5200
Wire Wire Line
	2100 5600 2200 5600
Wire Wire Line
	2200 5600 2200 5700
Wire Wire Line
	2100 5700 2200 5700
Connection ~ 2200 5700
Wire Wire Line
	2200 5700 2200 5800
Wire Wire Line
	2100 5800 2200 5800
Connection ~ 2200 5800
Wire Wire Line
	2200 5800 2200 5900
Wire Wire Line
	2100 5900 2200 5900
Connection ~ 2200 5900
Wire Wire Line
	2200 5900 2200 5950
$Comp
L eec:DS1315-5+ U8
U 1 1 61C37293
P 9100 1150
F 0 "U8" H 9750 1415 50  0000 C CNN
F 1 "DS1315-5+" H 9750 1324 50  0000 C CNN
F 2 "eec:Maxim-DS1315-5+-Manufacturer_Recommended" H 9100 1550 50  0001 L CNN
F 3 "" H 9100 1650 50  0001 L CNN
F 4 "MS-001-AA" H 9100 1750 50  0001 L CNN "Code  JEDEC"
F 5 "May-2009" H 9100 1850 50  0001 L CNN "Datasheet Version"
F 6 "16-Pin Plastic Dual-In-Line, Narrow (0.3in), Pitch 2.54 mm, PDIP(N), Pb-Free" H 9100 1950 50  0001 L CNN "Package Description"
F 7 "revE, 2011" H 9100 2050 50  0001 L CNN "Package Version"
F 8 "IC" H 9100 2150 50  0001 L CNN "category"
F 9 "962143" H 9100 2250 50  0001 L CNN "ciiva ids"
F 10 "7f5977a81403e7a6" H 9100 2350 50  0001 L CNN "library id"
F 11 "Maxim" H 9100 2450 50  0001 L CNN "manufacturer"
F 12 "P16+2" H 9100 2550 50  0001 L CNN "package"
F 13 "1306905166" H 9100 2650 50  0001 L CNN "release date"
F 14 "FFC52650-877D-4F2B-9F78-580CEC97EC13" H 9100 2750 50  0001 L CNN "vault revision"
F 15 "yes" H 9100 2850 50  0001 L CNN "imported"
	1    9100 1150
	1    0    0    -1  
$EndComp
Text Label 2450 4200 0    50   ~ 0
BD[0..7]
Wire Bus Line
	2450 2900 2450 4100
Wire Wire Line
	1050 3000 850  3000
Text Label 850  3000 0    50   ~ 0
RESET
$Comp
L power:GND #PWR017
U 1 1 622611B1
P 10450 2650
F 0 "#PWR017" H 10450 2400 50  0001 C CNN
F 1 "GND" H 10455 2477 50  0000 C CNN
F 2 "" H 10450 2650 50  0001 C CNN
F 3 "" H 10450 2650 50  0001 C CNN
	1    10450 2650
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR016
U 1 1 622623FD
P 9050 2250
F 0 "#PWR016" H 9050 2100 50  0001 C CNN
F 1 "+5V" H 8900 2350 50  0000 C CNN
F 2 "" H 9050 2250 50  0001 C CNN
F 3 "" H 9050 2250 50  0001 C CNN
	1    9050 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR015
U 1 1 6226435E
P 9050 1950
F 0 "#PWR015" H 9050 1700 50  0001 C CNN
F 1 "GND" H 8900 1900 50  0000 C CNN
F 2 "" H 9050 1950 50  0001 C CNN
F 3 "" H 9050 1950 50  0001 C CNN
	1    9050 1950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR018
U 1 1 6228EB8F
P 10800 1650
F 0 "#PWR018" H 10800 1400 50  0001 C CNN
F 1 "GND" H 10805 1477 50  0000 C CNN
F 2 "" H 10800 1650 50  0001 C CNN
F 3 "" H 10800 1650 50  0001 C CNN
	1    10800 1650
	1    0    0    -1  
$EndComp
$Comp
L Device:Battery_Cell BT1
U 1 1 622905B1
P 10800 1550
F 0 "BT1" H 10918 1600 50  0000 L CNN
F 1 "Battery_Cell" H 10918 1555 50  0001 L CNN
F 2 "Battery:BatteryHolder_Keystone_103_1x20mm" V 10800 1610 50  0001 C CNN
F 3 "~" V 10800 1610 50  0001 C CNN
	1    10800 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	10300 1350 10800 1350
Wire Wire Line
	10300 1450 10600 1450
Wire Wire Line
	10600 1450 10600 1650
Wire Wire Line
	10600 1650 10800 1650
Connection ~ 10800 1650
Wire Wire Line
	10300 1150 10550 1150
Wire Wire Line
	10300 1750 10500 1750
Wire Wire Line
	9050 1950 9200 1950
Wire Wire Line
	9050 2250 9200 2250
Wire Wire Line
	9200 1150 9000 1150
Wire Wire Line
	9200 1350 9000 1350
Wire Wire Line
	9200 1450 9000 1450
Wire Wire Line
	9200 1750 9000 1750
Text Label 10350 1150 0    50   ~ 0
~EN2_B
Text Label 9000 1150 0    50   ~ 0
~EN2
Text Label 9000 1350 0    50   ~ 0
~SSO
Text Label 9000 1450 0    50   ~ 0
DT_~R
Text Label 9000 1750 0    50   ~ 0
DQ0
Text Label 10350 1750 0    50   ~ 0
DQ0
Wire Wire Line
	10300 2450 10450 2450
Wire Wire Line
	10450 2450 10450 2550
Wire Wire Line
	10300 2550 10450 2550
Connection ~ 10450 2550
Wire Wire Line
	10450 2550 10450 2650
NoConn ~ 10300 1950
NoConn ~ 10300 2050
NoConn ~ 9200 1550
$Comp
L power:GND #PWR019
U 1 1 61BBD479
P 3550 3150
F 0 "#PWR019" H 3550 2900 50  0001 C CNN
F 1 "GND" H 3555 2977 50  0000 C CNN
F 2 "" H 3550 3150 50  0001 C CNN
F 3 "" H 3550 3150 50  0001 C CNN
	1    3550 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 3100 3550 3150
$Comp
L Device:C_Small C8
U 1 1 61BF0C27
P 5650 7000
F 0 "C8" H 5742 7046 50  0000 L CNN
F 1 "100n" H 5742 6955 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 5650 7000 50  0001 C CNN
F 3 "~" H 5650 7000 50  0001 C CNN
	1    5650 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 7550 5650 7550
Wire Wire Line
	5650 6900 5650 6450
Connection ~ 5650 6450
Wire Wire Line
	5650 6450 5250 6450
Wire Wire Line
	5650 7100 5650 7550
Connection ~ 5650 7550
Wire Wire Line
	5650 7550 6050 7550
Text Notes 3900 1950 0    50   ~ 0
JP1:\n0: for 256k board\n1: for 128k board
Text Notes 3950 3400 0    50   ~ 0
unused
Wire Wire Line
	6100 2050 6000 2050
Wire Wire Line
	6000 2050 6000 1850
Wire Wire Line
	6000 1850 5950 1850
Text Notes 9300 2850 0    50   ~ 0
Mapped to \n80000h-D0000h
Text Notes 5200 2150 0    50   ~ 0
80000h - D0000h
Text Notes 5200 1400 0    50   ~ 0
20000h /\n40000h - 70000h
$EndSCHEMATC