memory128K.sch

EESchema Schematic File Version 4
LIBS:All Spectrums-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 11 17
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Entry Wire Line
	4200 1600 4300 1700
Entry Wire Line
	4200 1500 4300 1600
Entry Wire Line
	4200 1700 4300 1800
Entry Wire Line
	4200 1800 4300 1900
Entry Wire Line
	4200 1900 4300 2000
Entry Wire Line
	4200 2000 4300 2100
Entry Wire Line
	4200 2100 4300 2200
Entry Wire Line
	4200 2200 4300 2300
Entry Wire Line
	4200 2300 4300 2400
Entry Wire Line
	4200 2400 4300 2500
Entry Wire Line
	4200 2500 4300 2600
Entry Wire Line
	4200 2600 4300 2700
Entry Wire Line
	4200 2700 4300 2800
Entry Wire Line
	4200 2800 4300 2900
Entry Wire Line
	8600 2300 8700 2400
Entry Wire Line
	8600 2200 8700 2300
Entry Wire Line
	8600 2100 8700 2200
Entry Wire Line
	8600 2000 8700 2100
Entry Wire Line
	8600 1900 8700 2000
Entry Wire Line
	8600 1800 8700 1900
Entry Wire Line
	8600 1700 8700 1800
Entry Wire Line
	8600 1600 8700 1700
Entry Wire Line
	1950 1600 2050 1700
Entry Wire Line
	1950 1500 2050 1600
Entry Wire Line
	1950 1700 2050 1800
Entry Wire Line
	1950 1800 2050 1900
Entry Wire Line
	1950 1900 2050 2000
Entry Wire Line
	1950 2000 2050 2100
Entry Wire Line
	1950 2100 2050 2200
Entry Wire Line
	1950 2200 2050 2300
Entry Wire Line
	1950 2300 2050 2400
Entry Wire Line
	1950 2400 2050 2500
Entry Wire Line
	1950 2500 2050 2600
Entry Wire Line
	1950 2600 2050 2700
Entry Wire Line
	1950 2700 2050 2800
Entry Wire Line
	1950 2800 2050 2900
Wire Wire Line
	2050 1600 2650 1600
Wire Wire Line
	2050 1700 2650 1700
Wire Wire Line
	2050 1800 2650 1800
Wire Wire Line
	2050 1900 2650 1900
Wire Wire Line
	2050 2000 2650 2000
Wire Wire Line
	2050 2100 2650 2100
Wire Wire Line
	2050 2200 2650 2200
Wire Wire Line
	2050 2300 2650 2300
Wire Wire Line
	2050 2400 2650 2400
Wire Wire Line
	2050 2500 2650 2500
Wire Wire Line
	2050 2600 2650 2600
Wire Wire Line
	2050 2700 2650 2700
Wire Wire Line
	2050 2800 2650 2800
Wire Wire Line
	2050 2900 2650 2900
Text Label 2200 1600 0    50   ~ 0
A0
Text Label 2200 1700 0    50   ~ 0
A1
Text Label 2200 1800 0    50   ~ 0
A2
Text Label 2200 1900 0    50   ~ 0
A3
Text Label 2200 2000 0    50   ~ 0
A4
Text Label 2200 2100 0    50   ~ 0
A5
Text Label 2200 2200 0    50   ~ 0
A6
Text Label 2200 2300 0    50   ~ 0
A7
Text Label 2200 2400 0    50   ~ 0
A8
Text Label 2200 2500 0    50   ~ 0
A9
Text Label 2200 2600 0    50   ~ 0
A10
Text Label 2200 2700 0    50   ~ 0
A11
Text Label 2200 2800 0    50   ~ 0
A12
Text Label 2200 2900 0    50   ~ 0
A13
Text GLabel 1350 2900 0    50   Input ~ 0
A13
Text GLabel 1350 2600 0    50   Input ~ 0
A10
Text GLabel 1350 2800 0    50   Input ~ 0
A12
Text GLabel 1350 2700 0    50   Input ~ 0
A11
Text GLabel 1350 2500 0    50   Input ~ 0
A9
Text GLabel 1350 2400 0    50   Input ~ 0
A8
Text GLabel 1350 2300 0    50   Input ~ 0
A7
Text GLabel 1350 2200 0    50   Input ~ 0
A6
Text GLabel 1350 2100 0    50   Input ~ 0
A5
Text GLabel 1350 2000 0    50   Input ~ 0
A4
Text GLabel 1350 1900 0    50   Input ~ 0
A3
Text GLabel 1350 1800 0    50   Input ~ 0
A2
Text GLabel 1350 1700 0    50   Input ~ 0
A1
Text GLabel 1350 1600 0    50   Input ~ 0
A0
Text GLabel 9150 1600 2    50   Input ~ 0
D0
Text GLabel 9150 1700 2    50   Input ~ 0
D1
Text GLabel 9150 1800 2    50   Input ~ 0
D2
Text GLabel 9150 1900 2    50   Input ~ 0
D3
Text GLabel 9150 2000 2    50   Input ~ 0
D4
Text GLabel 9150 2100 2    50   Input ~ 0
D5
Text GLabel 9150 2200 2    50   Input ~ 0
D6
Text GLabel 9150 2300 2    50   Input ~ 0
D7
Entry Wire Line
	8700 1700 8800 1600
Entry Wire Line
	8700 1800 8800 1700
Entry Wire Line
	8700 1900 8800 1800
Entry Wire Line
	8700 2000 8800 1900
Entry Wire Line
	8700 2100 8800 2000
Entry Wire Line
	8700 2200 8800 2100
Entry Wire Line
	8700 2300 8800 2200
Entry Wire Line
	8700 2400 8800 2300
Text Label 4450 1600 0    50   ~ 0
A0
Text Label 4450 1700 0    50   ~ 0
A1
Text Label 4450 1800 0    50   ~ 0
A2
Text Label 4450 1900 0    50   ~ 0
A3
Text Label 4450 2000 0    50   ~ 0
A4
Text Label 4450 2100 0    50   ~ 0
A5
Text Label 4450 2200 0    50   ~ 0
A6
Text Label 4450 2300 0    50   ~ 0
A7
Text Label 4450 2400 0    50   ~ 0
A8
Text Label 4450 2500 0    50   ~ 0
A9
Text Label 4450 2600 0    50   ~ 0
A10
Text Label 4450 2700 0    50   ~ 0
A11
Text Label 4450 2800 0    50   ~ 0
A12
Text Label 4450 2900 0    50   ~ 0
A13
Text Label 1500 1600 0    50   ~ 0
A0
Text Label 1500 1700 0    50   ~ 0
A1
Text Label 1500 1800 0    50   ~ 0
A2
Text Label 1500 1900 0    50   ~ 0
A3
Text Label 1500 2000 0    50   ~ 0
A4
Text Label 1500 2100 0    50   ~ 0
A5
Text Label 1500 2200 0    50   ~ 0
A6
Text Label 1500 2300 0    50   ~ 0
A7
Text Label 1500 2400 0    50   ~ 0
A8
Text Label 1500 2500 0    50   ~ 0
A9
Text Label 1500 2600 0    50   ~ 0
A10
Text Label 1500 2700 0    50   ~ 0
A11
Text Label 1500 2800 0    50   ~ 0
A12
Text Label 1500 2900 0    50   ~ 0
A13
Text Label 8850 1600 0    50   ~ 0
D0
Text Label 8850 1700 0    50   ~ 0
D1
Text Label 8850 1800 0    50   ~ 0
D2
Text Label 8850 1900 0    50   ~ 0
D3
Text Label 8850 2000 0    50   ~ 0
D4
Text Label 8850 2100 0    50   ~ 0
D5
Text Label 8850 2200 0    50   ~ 0
D6
Text Label 8850 2300 0    50   ~ 0
D7
Wire Wire Line
	8800 2300 9150 2300
Wire Wire Line
	8800 2200 9150 2200
Wire Wire Line
	8800 2100 9150 2100
Wire Wire Line
	8800 2000 9150 2000
Wire Wire Line
	8800 1900 9150 1900
Wire Wire Line
	8800 1800 9150 1800
Wire Wire Line
	8800 1700 9150 1700
Wire Wire Line
	8800 1600 9150 1600
Text Label 8400 1600 0    50   ~ 0
D0
Text Label 8400 1700 0    50   ~ 0
D1
Text Label 8400 1800 0    50   ~ 0
D2
Text Label 8400 1900 0    50   ~ 0
D3
Text Label 8400 2000 0    50   ~ 0
D4
Text Label 8400 2100 0    50   ~ 0
D5
Text Label 8400 2200 0    50   ~ 0
D6
Text Label 8400 2300 0    50   ~ 0
D7
Wire Bus Line
	1950 1000 4200 1000
Connection ~ 4200 1000
Wire Bus Line
	4200 1000 8700 1000
$Comp
L Device:R R29
U 1 1 5B86F071
P 4800 1600
F 0 "R29" V 4700 1600 50  0000 C CNN
F 1 "470" V 4800 1600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 1600 50  0001 C CNN
F 3 "~" H 4800 1600 50  0001 C CNN
	1    4800 1600
	0    1    1    0   
$EndComp
$Comp
L Device:R R97
U 1 1 5B86F072
P 4800 1700
F 0 "R97" V 4750 1900 50  0000 C CNN
F 1 "470" V 4800 1700 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 1700 50  0001 C CNN
F 3 "~" H 4800 1700 50  0001 C CNN
	1    4800 1700
	0    1    1    0   
$EndComp
Wire Wire Line
	4300 1600 4650 1600
Wire Wire Line
	4300 1700 4650 1700
Wire Wire Line
	4300 1800 4650 1800
Wire Wire Line
	4300 1900 4650 1900
Wire Wire Line
	4300 2000 4650 2000
Wire Wire Line
	4300 2100 4650 2100
Wire Wire Line
	4300 2200 4650 2200
Wire Wire Line
	4300 2300 4650 2300
Wire Wire Line
	4300 2400 4650 2400
Wire Wire Line
	4300 2500 4650 2500
Wire Wire Line
	4300 2600 4650 2600
Wire Wire Line
	4300 2700 4650 2700
Wire Wire Line
	4300 2800 4650 2800
Wire Wire Line
	4300 2900 4650 2900
Wire Wire Line
	4950 1600 5100 1600
Wire Wire Line
	4950 1700 5200 1700
Wire Wire Line
	4950 1800 5300 1800
Wire Wire Line
	4950 1900 5400 1900
Wire Wire Line
	6300 2000 5500 2000
Wire Wire Line
	4950 2100 5600 2100
Wire Wire Line
	4950 2200 5700 2200
Wire Wire Line
	4950 2300 5800 2300
Wire Wire Line
	6300 2400 5100 2400
Wire Wire Line
	4950 2500 5200 2500
Wire Wire Line
	6300 2600 5300 2600
Wire Wire Line
	4950 2700 5400 2700
Wire Wire Line
	7100 1600 7450 1600
Wire Wire Line
	7100 1700 7550 1700
Wire Wire Line
	7100 1800 7650 1800
Wire Wire Line
	7100 1900 7750 1900
Wire Wire Line
	7100 2000 7450 2000
Wire Wire Line
	7100 2100 7550 2100
Wire Wire Line
	7100 2200 7650 2200
Wire Wire Line
	7100 2300 7750 2300
Wire Wire Line
	4950 2800 5500 2800
Wire Wire Line
	4950 2900 5600 2900
Wire Wire Line
	8350 1600 8600 1600
Wire Wire Line
	8350 1700 8600 1700
Wire Wire Line
	8350 1800 8600 1800
Wire Wire Line
	8350 1900 8600 1900
Wire Wire Line
	8350 2000 8600 2000
Wire Wire Line
	8350 2100 8600 2100
Wire Wire Line
	8350 2200 8600 2200
Wire Wire Line
	8350 2300 8600 2300
Entry Wire Line
	4100 2300 4200 2400
Entry Wire Line
	4100 2200 4200 2300
Entry Wire Line
	4100 2100 4200 2200
Entry Wire Line
	4100 2000 4200 2100
Entry Wire Line
	4100 1900 4200 2000
Entry Wire Line
	4100 1800 4200 1900
Entry Wire Line
	4100 1700 4200 1800
Entry Wire Line
	4100 1600 4200 1700
Wire Wire Line
	3450 1600 4100 1600
Wire Wire Line
	3450 1700 4100 1700
Wire Wire Line
	3450 1800 4100 1800
Wire Wire Line
	3450 1900 4100 1900
Wire Wire Line
	3450 2000 4100 2000
Wire Wire Line
	3450 2100 4100 2100
Wire Wire Line
	3450 2200 4100 2200
Wire Wire Line
	3450 2300 4100 2300
Text Label 3900 1600 0    50   ~ 0
D0
Text Label 3900 1700 0    50   ~ 0
D1
Text Label 3900 1800 0    50   ~ 0
D2
Text Label 3900 1900 0    50   ~ 0
D3
Text Label 3900 2000 0    50   ~ 0
D4
Text Label 3900 2100 0    50   ~ 0
D5
Text Label 3900 2200 0    50   ~ 0
D6
Text Label 3900 2300 0    50   ~ 0
D7
Entry Wire Line
	1850 1600 1950 1500
Entry Wire Line
	1850 1700 1950 1600
Entry Wire Line
	1850 1800 1950 1700
Entry Wire Line
	1850 1900 1950 1800
Entry Wire Line
	1850 2000 1950 1900
Entry Wire Line
	1850 2100 1950 2000
Entry Wire Line
	1850 2200 1950 2100
Entry Wire Line
	1850 2300 1950 2200
Entry Wire Line
	1850 2400 1950 2300
Entry Wire Line
	1850 2500 1950 2400
Entry Wire Line
	1850 2600 1950 2500
Entry Wire Line
	1850 2700 1950 2600
Entry Wire Line
	1850 2800 1950 2700
Entry Wire Line
	1850 2900 1950 2800
Wire Wire Line
	1350 2900 1850 2900
Wire Wire Line
	1850 2800 1350 2800
Wire Wire Line
	1350 2700 1850 2700
Wire Wire Line
	1850 2600 1350 2600
Wire Wire Line
	1350 2500 1850 2500
Wire Wire Line
	1850 2400 1350 2400
Wire Wire Line
	1350 2300 1850 2300
Wire Wire Line
	1350 2200 1850 2200
Wire Wire Line
	1850 2100 1350 2100
Wire Wire Line
	1350 2000 1850 2000
Wire Wire Line
	1850 1900 1350 1900
Wire Wire Line
	1350 1800 1850 1800
Wire Wire Line
	1850 1700 1350 1700
Wire Wire Line
	1350 1600 1850 1600
Text GLabel 7450 1450 1    50   Input ~ 0
VD0
Text GLabel 7550 1450 1    50   Input ~ 0
VD1
Text GLabel 7650 1450 1    50   Input ~ 0
VD2
Text GLabel 7750 1450 1    50   Input ~ 0
VD3
Text GLabel 7450 2400 3    50   Input ~ 0
VD4
Text GLabel 7550 2400 3    50   Input ~ 0
VD5
Text GLabel 7650 2400 3    50   Input ~ 0
VD6
Text GLabel 7750 2400 3    50   Input ~ 0
VD7
Wire Wire Line
	7450 1450 7450 1600
Connection ~ 7450 1600
Wire Wire Line
	7450 1600 8050 1600
Wire Wire Line
	7550 1450 7550 1700
Connection ~ 7550 1700
Wire Wire Line
	7550 1700 8050 1700
Wire Wire Line
	7650 1450 7650 1800
Connection ~ 7650 1800
Wire Wire Line
	7650 1800 8050 1800
Wire Wire Line
	7750 1450 7750 1900
Connection ~ 7750 1900
Wire Wire Line
	7750 1900 8050 1900
Wire Wire Line
	7450 2400 7450 2000
Connection ~ 7450 2000
Wire Wire Line
	7450 2000 8050 2000
Wire Wire Line
	7550 2100 7550 2400
Connection ~ 7550 2100
Wire Wire Line
	7550 2100 8050 2100
Wire Wire Line
	7650 2400 7650 2200
Connection ~ 7650 2200
Wire Wire Line
	7650 2200 8050 2200
Wire Wire Line
	7750 2400 7750 2300
Connection ~ 7750 2300
Wire Wire Line
	7750 2300 8050 2300
Text GLabel 5100 1500 1    50   Input ~ 0
VA0
Text GLabel 5200 1500 1    50   Input ~ 0
VA1
Text GLabel 5300 1500 1    50   Input ~ 0
VA2
Text GLabel 5400 1500 1    50   Input ~ 0
VA3
Text GLabel 5500 1500 1    50   Input ~ 0
VA4
Text GLabel 5600 1500 1    50   Input ~ 0
VA5
Text GLabel 5700 1500 1    50   Input ~ 0
VA6
Text GLabel 5800 1500 1    50   Input ~ 0
VA7
Text GLabel 5600 3900 3    50   Input ~ 0
VA13
Text GLabel 5500 3900 3    50   Input ~ 0
VA12
Text GLabel 5400 3900 3    50   Input ~ 0
VA11
Text GLabel 5300 3900 3    50   Input ~ 0
VA10
Text GLabel 5200 3900 3    50   Input ~ 0
VA9
Text GLabel 5100 3900 3    50   Input ~ 0
VA8
Wire Wire Line
	5100 1500 5100 1600
Connection ~ 5100 1600
Wire Wire Line
	5100 1600 6300 1600
Wire Wire Line
	5200 1500 5200 1700
Connection ~ 5200 1700
Wire Wire Line
	5200 1700 6300 1700
Wire Wire Line
	5300 1500 5300 1800
Connection ~ 5300 1800
Wire Wire Line
	5300 1800 6300 1800
Wire Wire Line
	5400 1500 5400 1900
Connection ~ 5400 1900
Wire Wire Line
	5400 1900 6300 1900
Wire Wire Line
	5500 1500 5500 2000
Connection ~ 5500 2000
Wire Wire Line
	5500 2000 4950 2000
Wire Wire Line
	5600 1500 5600 2100
Connection ~ 5600 2100
Wire Wire Line
	5600 2100 6300 2100
Wire Wire Line
	5700 1500 5700 2200
Connection ~ 5700 2200
Wire Wire Line
	5700 2200 6300 2200
Wire Wire Line
	5800 1500 5800 2300
Connection ~ 5800 2300
Wire Wire Line
	5800 2300 6300 2300
Wire Wire Line
	5100 2400 5100 3900
Connection ~ 5100 2400
Wire Wire Line
	5100 2400 4950 2400
Wire Wire Line
	5200 3900 5200 2500
Connection ~ 5200 2500
Wire Wire Line
	5200 2500 6300 2500
Wire Wire Line
	5300 3900 5300 2600
Connection ~ 5300 2600
Wire Wire Line
	5300 2600 4950 2600
Wire Wire Line
	5400 3900 5400 2700
Connection ~ 5400 2700
Wire Wire Line
	5400 2700 6300 2700
Wire Wire Line
	5500 3900 5500 2800
Connection ~ 5500 2800
Wire Wire Line
	5500 2800 6300 2800
Wire Wire Line
	5600 3900 5600 2900
Connection ~ 5600 2900
Wire Wire Line
	5600 2900 6300 2900
Text GLabel 2250 3400 0    50   Input ~ 0
RAM_CS
Text GLabel 6100 3400 0    50   Input ~ 0
VRAM_CS
Text GLabel 6100 3600 0    50   Input ~ 0
VRAM_RD
Text GLabel 6100 3700 0    50   Input ~ 0
VRAM_WR
Text GLabel 2250 3600 0    50   Input ~ 0
RD
Text GLabel 2250 3700 0    50   Input ~ 0
WR
Entry Wire Line
	1850 3000 1950 2900
Wire Wire Line
	1850 3000 1350 3000
Text GLabel 1350 3000 0    50   Input ~ 0
A14
Text Label 1650 3000 2    50   ~ 0
A14
Entry Wire Line
	1950 2900 2050 3000
Wire Wire Line
	2050 3000 2650 3000
Text Label 2350 3000 2    50   ~ 0
A14
$Comp
L Device:C C62
U 1 1 5B3BFB94
P 3350 4650
F 0 "C62" V 3098 4650 50  0000 C CNN
F 1 "100n" V 3189 4650 50  0000 C CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 3388 4500 50  0001 C CNN
F 3 "~" H 3350 4650 50  0001 C CNN
	1    3350 4650
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR0195
U 1 1 5B3BFB95
P 3350 4450
F 0 "#PWR0195" H 3350 4300 50  0001 C CNN
F 1 "+5V" H 3365 4623 50  0000 C CNN
F 2 "" H 3350 4450 50  0001 C CNN
F 3 "" H 3350 4450 50  0001 C CNN
	1    3350 4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 4450 3350 4500
$Comp
L power:GND #PWR0196
U 1 1 5B86F084
P 3350 4900
F 0 "#PWR0196" H 3350 4650 50  0001 C CNN
F 1 "GND" H 3355 4727 50  0000 C CNN
F 2 "" H 3350 4900 50  0001 C CNN
F 3 "" H 3350 4900 50  0001 C CNN
	1    3350 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 4800 3350 4900
$Comp
L Device:C C63
U 1 1 5B3BFB96
P 7000 4750
F 0 "C63" V 6748 4750 50  0000 C CNN
F 1 "100n" V 6839 4750 50  0000 C CNN
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 7038 4600 50  0001 C CNN
F 3 "~" H 7000 4750 50  0001 C CNN
	1    7000 4750
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR0197
U 1 1 5B4B78A7
P 7000 4550
F 0 "#PWR0197" H 7000 4400 50  0001 C CNN
F 1 "+5V" H 7015 4723 50  0000 C CNN
F 2 "" H 7000 4550 50  0001 C CNN
F 3 "" H 7000 4550 50  0001 C CNN
	1    7000 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 4550 7000 4600
$Comp
L power:GND #PWR0198
U 1 1 5B86F087
P 7000 5000
F 0 "#PWR0198" H 7000 4750 50  0001 C CNN
F 1 "GND" H 7005 4827 50  0000 C CNN
F 2 "" H 7000 5000 50  0001 C CNN
F 3 "" H 7000 5000 50  0001 C CNN
	1    7000 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 4900 7000 5000
Wire Wire Line
	2250 3600 2650 3600
Wire Wire Line
	2650 3700 2250 3700
Wire Wire Line
	2250 3400 2650 3400
Wire Wire Line
	6100 3600 6300 3600
Wire Wire Line
	6100 3700 6300 3700
Wire Wire Line
	6100 3400 6300 3400
$Comp
L power:+5V #PWR0199
U 1 1 5B86F065
P 3050 1350
F 0 "#PWR0199" H 3050 1200 50  0001 C CNN
F 1 "+5V" H 3050 1500 50  0000 C CNN
F 2 "" H 3050 1350 50  0001 C CNN
F 3 "" H 3050 1350 50  0001 C CNN
	1    3050 1350
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0200
U 1 1 5B86F066
P 6700 1350
F 0 "#PWR0200" H 6700 1200 50  0001 C CNN
F 1 "+5V" H 6715 1523 50  0000 C CNN
F 2 "" H 6700 1350 50  0001 C CNN
F 3 "" H 6700 1350 50  0001 C CNN
	1    6700 1350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0201
U 1 1 5B86F067
P 3050 3950
F 0 "#PWR0201" H 3050 3700 50  0001 C CNN
F 1 "GND" H 3055 3777 50  0000 C CNN
F 2 "" H 3050 3950 50  0001 C CNN
F 3 "" H 3050 3950 50  0001 C CNN
	1    3050 3950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0202
U 1 1 5B232227
P 6700 3950
F 0 "#PWR0202" H 6700 3700 50  0001 C CNN
F 1 "GND" H 6705 3777 50  0000 C CNN
F 2 "" H 6700 3950 50  0001 C CNN
F 3 "" H 6700 3950 50  0001 C CNN
	1    6700 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 3900 3050 3950
Wire Wire Line
	3050 1350 3050 1400
Wire Wire Line
	6700 1350 6700 1400
$Comp
L power:+5V #PWR0203
U 1 1 5B674FB0
P 6200 3850
F 0 "#PWR0203" H 6200 3700 50  0001 C CNN
F 1 "+5V" H 6215 4023 50  0000 C CNN
F 2 "" H 6200 3850 50  0001 C CNN
F 3 "" H 6200 3850 50  0001 C CNN
	1    6200 3850
	-1   0    0    1   
$EndComp
Wire Wire Line
	6300 3500 6200 3500
Wire Wire Line
	6200 3500 6200 3850
$Comp
L power:+5V #PWR0204
U 1 1 5B6A572F
P 2550 3850
F 0 "#PWR0204" H 2550 3700 50  0001 C CNN
F 1 "+5V" H 2565 4023 50  0000 C CNN
F 2 "" H 2550 3850 50  0001 C CNN
F 3 "" H 2550 3850 50  0001 C CNN
	1    2550 3850
	-1   0    0    1   
$EndComp
Wire Wire Line
	2650 3500 2550 3500
Wire Wire Line
	2550 3500 2550 3850
Text GLabel 1850 3100 0    50   Input ~ 0
RAM_A15
Text GLabel 6150 3100 0    50   Input ~ 0
VRAM_A15
Text GLabel 6150 3000 0    50   Input ~ 0
VRAM_A14
Wire Wire Line
	6150 3000 6300 3000
Wire Wire Line
	6150 3100 6300 3100
Wire Wire Line
	2650 3100 1850 3100
Wire Wire Line
	6700 3900 6700 3950
$Comp
L power:GND #PWR0205
U 1 1 5B74BC72
P 2500 3200
F 0 "#PWR0205" H 2500 2950 50  0001 C CNN
F 1 "GND" H 2505 3027 50  0000 C CNN
F 2 "" H 2500 3200 50  0001 C CNN
F 3 "" H 2500 3200 50  0001 C CNN
	1    2500 3200
	0    1    1    0   
$EndComp
Wire Wire Line
	2500 3200 2650 3200
$Comp
L power:GND #PWR0206
U 1 1 5B758D12
P 6150 3250
F 0 "#PWR0206" H 6150 3000 50  0001 C CNN
F 1 "GND" H 6155 3077 50  0000 C CNN
F 2 "" H 6150 3250 50  0001 C CNN
F 3 "" H 6150 3250 50  0001 C CNN
	1    6150 3250
	0    1    1    0   
$EndComp
Wire Wire Line
	6150 3250 6300 3250
Wire Wire Line
	6300 3250 6300 3200
$Comp
L Device:R R99
U 1 1 5B1D229F
P 4800 1800
F 0 "R99" V 4750 2000 50  0000 C CNN
F 1 "470" V 4800 1800 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 1800 50  0001 C CNN
F 3 "~" H 4800 1800 50  0001 C CNN
	1    4800 1800
	0    1    1    0   
$EndComp
$Comp
L Device:R R101
U 1 1 5B1D22C1
P 4800 1900
F 0 "R101" V 4750 2100 50  0000 C CNN
F 1 "470" V 4800 1900 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 1900 50  0001 C CNN
F 3 "~" H 4800 1900 50  0001 C CNN
	1    4800 1900
	0    1    1    0   
$EndComp
$Comp
L Device:R R103
U 1 1 5B1D22E5
P 4800 2000
F 0 "R103" V 4750 2200 50  0000 C CNN
F 1 "470" V 4800 2000 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2000 50  0001 C CNN
F 3 "~" H 4800 2000 50  0001 C CNN
	1    4800 2000
	0    1    1    0   
$EndComp
$Comp
L Device:R R105
U 1 1 5B1D230B
P 4800 2100
F 0 "R105" V 4750 2300 50  0000 C CNN
F 1 "470" V 4800 2100 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2100 50  0001 C CNN
F 3 "~" H 4800 2100 50  0001 C CNN
	1    4800 2100
	0    1    1    0   
$EndComp
$Comp
L Device:R R107
U 1 1 5B1D2333
P 4800 2200
F 0 "R107" V 4750 2400 50  0000 C CNN
F 1 "470" V 4800 2200 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2200 50  0001 C CNN
F 3 "~" H 4800 2200 50  0001 C CNN
	1    4800 2200
	0    1    1    0   
$EndComp
$Comp
L Device:R R109
U 1 1 5B1D2365
P 4800 2300
F 0 "R109" V 4750 2500 50  0000 C CNN
F 1 "470" V 4800 2300 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2300 50  0001 C CNN
F 3 "~" H 4800 2300 50  0001 C CNN
	1    4800 2300
	0    1    1    0   
$EndComp
$Comp
L Device:R R111
U 1 1 5B1D2391
P 4800 2400
F 0 "R111" V 4750 2600 50  0000 C CNN
F 1 "470" V 4800 2400 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2400 50  0001 C CNN
F 3 "~" H 4800 2400 50  0001 C CNN
	1    4800 2400
	0    1    1    0   
$EndComp
$Comp
L Device:R R112
U 1 1 5B1D2464
P 4800 2500
F 0 "R112" V 4750 2700 50  0000 C CNN
F 1 "470" V 4800 2500 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2500 50  0001 C CNN
F 3 "~" H 4800 2500 50  0001 C CNN
	1    4800 2500
	0    1    1    0   
$EndComp
$Comp
L Device:R R113
U 1 1 5B1D2494
P 4800 2600
F 0 "R113" V 4750 2800 50  0000 C CNN
F 1 "470" V 4800 2600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2600 50  0001 C CNN
F 3 "~" H 4800 2600 50  0001 C CNN
	1    4800 2600
	0    1    1    0   
$EndComp
$Comp
L Device:R R114
U 1 1 5B1D24CA
P 4800 2700
F 0 "R114" V 4750 2900 50  0000 C CNN
F 1 "470" V 4800 2700 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2700 50  0001 C CNN
F 3 "~" H 4800 2700 50  0001 C CNN
	1    4800 2700
	0    1    1    0   
$EndComp
$Comp
L Device:R R115
U 1 1 5B1D24FE
P 4800 2800
F 0 "R115" V 4750 3000 50  0000 C CNN
F 1 "470" V 4800 2800 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2800 50  0001 C CNN
F 3 "~" H 4800 2800 50  0001 C CNN
	1    4800 2800
	0    1    1    0   
$EndComp
$Comp
L Device:R R116
U 1 1 5B1D2534
P 4800 2900
F 0 "R116" V 4750 3100 50  0000 C CNN
F 1 "470" V 4800 2900 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 4730 2900 50  0001 C CNN
F 3 "~" H 4800 2900 50  0001 C CNN
	1    4800 2900
	0    1    1    0   
$EndComp
$Comp
L Device:R R30
U 1 1 5B1D2670
P 8200 1600
F 0 "R30" V 8150 1400 50  0000 C CNN
F 1 "470" V 8200 1600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 1600 50  0001 C CNN
F 3 "~" H 8200 1600 50  0001 C CNN
	1    8200 1600
	0    1    1    0   
$EndComp
$Comp
L Device:R R98
U 1 1 5B1D27D1
P 8200 1700
F 0 "R98" V 8150 1500 50  0000 C CNN
F 1 "470" V 8200 1700 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 1700 50  0001 C CNN
F 3 "~" H 8200 1700 50  0001 C CNN
	1    8200 1700
	0    1    1    0   
$EndComp
$Comp
L Device:R R100
U 1 1 5B1D280D
P 8200 1800
F 0 "R100" V 8150 1600 50  0000 C CNN
F 1 "470" V 8200 1800 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 1800 50  0001 C CNN
F 3 "~" H 8200 1800 50  0001 C CNN
	1    8200 1800
	0    1    1    0   
$EndComp
$Comp
L Device:R R102
U 1 1 5B1D284B
P 8200 1900
F 0 "R102" V 8150 1700 50  0000 C CNN
F 1 "470" V 8200 1900 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 1900 50  0001 C CNN
F 3 "~" H 8200 1900 50  0001 C CNN
	1    8200 1900
	0    1    1    0   
$EndComp
$Comp
L Device:R R104
U 1 1 5B1D2B13
P 8200 2000
F 0 "R104" V 8150 1800 50  0000 C CNN
F 1 "470" V 8200 2000 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 2000 50  0001 C CNN
F 3 "~" H 8200 2000 50  0001 C CNN
	1    8200 2000
	0    1    1    0   
$EndComp
$Comp
L Device:R R106
U 1 1 5B1D2B55
P 8200 2100
F 0 "R106" V 8150 1900 50  0000 C CNN
F 1 "470" V 8200 2100 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 2100 50  0001 C CNN
F 3 "~" H 8200 2100 50  0001 C CNN
	1    8200 2100
	0    1    1    0   
$EndComp
$Comp
L Device:R R108
U 1 1 5B1D2B99
P 8200 2200
F 0 "R108" V 8150 2000 50  0000 C CNN
F 1 "470" V 8200 2200 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 2200 50  0001 C CNN
F 3 "~" H 8200 2200 50  0001 C CNN
	1    8200 2200
	0    1    1    0   
$EndComp
$Comp
L Device:R R110
U 1 1 5B1D2C44
P 8200 2300
F 0 "R110" V 8150 2100 50  0000 C CNN
F 1 "470" V 8200 2300 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8130 2300 50  0001 C CNN
F 3 "~" H 8200 2300 50  0001 C CNN
	1    8200 2300
	0    1    1    0   
$EndComp
Text Notes 1600 5800 0    50   Italic 10
Hasta 128Kb de RAM (la otra mitad aun no se utiliza)
Wire Bus Line
	8700 1000 8700 2400
Wire Bus Line
	4200 1000 4200 2800
Wire Bus Line
	1950 1000 1950 2900
$Comp
L ALEA:628128 U20
U 1 1 5B240B95
P 3050 2650
F 0 "U20" H 2800 3850 50  0000 C CNN
F 1 "628128" H 3250 3850 50  0000 C CNN
F 2 "" H 3050 2800 50  0001 C CNN
F 3 "" H 3050 2800 50  0001 C CNN
	1    3050 2650
	1    0    0    -1  
$EndComp
$Comp
L ALEA:628128 U21
U 1 1 5B240C34
P 6700 2650
F 0 "U21" H 6500 3850 50  0000 C CNN
F 1 "628128" H 6900 3850 50  0000 C CNN
F 2 "" H 6700 2800 50  0001 C CNN
F 3 "" H 6700 2800 50  0001 C CNN
	1    6700 2650
	1    0    0    -1  
$EndComp
$EndSCHEMATC