RAMSIMM-30/GW4194-4MB-CBRFIX-SOJ/GW4194-SOJ.sch
Zane Kaminski 9219d6e19d more
2021-06-21 12:13:28 -04:00

901 lines
19 KiB
Plaintext

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "GW4194A"
Date "2021-06-19"
Rev "1.0"
Comp "Garrett's Workshop"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector_Generic:Conn_01x30 J1
U 1 1 5C2E1E12
P 4450 3450
F 0 "J1" V 4574 3396 50 0000 C CNN
F 1 "DRAM-SIMM-30" V 4665 3396 50 0000 C CNN
F 2 "stdpads:SIMM-30_Edge" H 4450 3450 50 0001 C CNN
F 3 "~" H 4450 3450 50 0001 C CNN
1 4450 3450
0 -1 1 0
$EndComp
$Comp
L power:+5V #PWR0101
U 1 1 5C2E1ED2
P 5950 3250
F 0 "#PWR0101" H 5950 3100 50 0001 C CNN
F 1 "+5V" H 5950 3400 50 0000 C CNN
F 2 "" H 5950 3250 50 0001 C CNN
F 3 "" H 5950 3250 50 0001 C CNN
1 5950 3250
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0102
U 1 1 5C2E1F89
P 3050 3250
F 0 "#PWR0102" H 3050 3100 50 0001 C CNN
F 1 "+5V" H 3050 3400 50 0000 C CNN
F 2 "" H 3050 3250 50 0001 C CNN
F 3 "" H 3050 3250 50 0001 C CNN
1 3050 3250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5C2E2010
P 5150 3250
F 0 "#PWR0103" H 5150 3000 50 0001 C CNN
F 1 "GND" H 5150 3100 50 0000 C CNN
F 2 "" H 5150 3250 50 0001 C CNN
F 3 "" H 5150 3250 50 0001 C CNN
1 5150 3250
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5C2E2033
P 3850 3250
F 0 "#PWR0104" H 3850 3000 50 0001 C CNN
F 1 "GND" H 3850 3100 50 0000 C CNN
F 2 "" H 3850 3250 50 0001 C CNN
F 3 "" H 3850 3250 50 0001 C CNN
1 3850 3250
-1 0 0 1
$EndComp
Text Label 3150 3250 1 50 ~ 0
~CAS~
Text Label 3250 3250 1 50 ~ 0
D0
Text Label 3350 3250 1 50 ~ 0
A0
Text Label 3450 3250 1 50 ~ 0
A1
Text Label 3550 3250 1 50 ~ 0
D1
Text Label 3650 3250 1 50 ~ 0
A2
Text Label 3750 3250 1 50 ~ 0
A3
Text Label 3950 3250 1 50 ~ 0
D2
Text Label 4050 3250 1 50 ~ 0
A4
Text Label 4150 3250 1 50 ~ 0
A5
Text Label 4250 3250 1 50 ~ 0
D3
Text Label 4350 3250 1 50 ~ 0
A6
Text Label 4450 3250 1 50 ~ 0
A7
Text Label 4550 3250 1 50 ~ 0
D4
Text Label 4650 3250 1 50 ~ 0
A8
Text Label 4750 3250 1 50 ~ 0
A9
Text Label 4850 3250 1 50 ~ 0
A10
Text Label 4950 3250 1 50 ~ 0
D5
Text Label 5050 3250 1 50 ~ 0
~WE~
Text Label 5250 3250 1 50 ~ 0
D6
Text Label 5350 3250 1 50 ~ 0
A11
Text Label 5450 3250 1 50 ~ 0
D7
Text Label 5550 3250 1 50 ~ 0
QP
Text Label 5650 3250 1 50 ~ 0
~RAS~
Text Label 5750 3250 1 50 ~ 0
~CASP~
Text Label 5850 3250 1 50 ~ 0
DP
Text Label 4200 7100 0 50 ~ 0
~OE~
Text Label 3400 7000 2 50 ~ 0
1A8
Text Label 3400 6900 2 50 ~ 0
1A7
Text Label 3400 6800 2 50 ~ 0
1A6
Text Label 3400 6700 2 50 ~ 0
1A5
Text Label 3400 6600 2 50 ~ 0
1A4
Text Label 3400 6500 2 50 ~ 0
1A3
Text Label 3400 6400 2 50 ~ 0
1A2
Text Label 3400 6300 2 50 ~ 0
1A1
Text Label 3400 6200 2 50 ~ 0
1A0
Text Label 3400 7200 2 50 ~ 0
1A10
Wire Wire Line
1850 7400 1850 7350
Wire Wire Line
1850 7400 1850 7450
Connection ~ 1850 7400
Wire Wire Line
1850 7450 1950 7450
Wire Wire Line
1850 7350 1950 7350
Wire Wire Line
1750 7400 1850 7400
Wire Wire Line
1850 5400 1850 5350
Wire Wire Line
1850 5400 1850 5450
Connection ~ 1850 5400
Wire Wire Line
1850 5450 1950 5450
Wire Wire Line
1850 5350 1950 5350
Wire Wire Line
1750 5400 1850 5400
Wire Wire Line
1850 5600 1850 5550
Wire Wire Line
1850 5600 1850 5650
Connection ~ 1850 5600
Wire Wire Line
1850 5650 1950 5650
Wire Wire Line
1850 5550 1950 5550
Wire Wire Line
1750 5600 1850 5600
Wire Wire Line
1850 5800 1850 5750
Wire Wire Line
1850 5800 1850 5850
Connection ~ 1850 5800
Wire Wire Line
1850 5850 1950 5850
Wire Wire Line
1850 5750 1950 5750
Wire Wire Line
1750 5800 1850 5800
Wire Wire Line
1850 6000 1850 5950
Wire Wire Line
1850 6000 1850 6050
Connection ~ 1850 6000
Wire Wire Line
1850 6050 1950 6050
Wire Wire Line
1850 5950 1950 5950
Wire Wire Line
1750 6000 1850 6000
Wire Wire Line
1850 7000 1850 7050
Wire Wire Line
1850 7000 1850 6950
Connection ~ 1850 7000
Wire Wire Line
1850 6950 1950 6950
Wire Wire Line
1850 7050 1950 7050
Wire Wire Line
1750 7000 1850 7000
Wire Wire Line
1850 6800 1850 6850
Wire Wire Line
1850 6800 1850 6750
Connection ~ 1850 6800
Wire Wire Line
1850 6750 1950 6750
Wire Wire Line
1850 6850 1950 6850
Wire Wire Line
1750 6800 1850 6800
Wire Wire Line
1850 6600 1850 6650
Wire Wire Line
1850 6600 1850 6550
Connection ~ 1850 6600
Wire Wire Line
1850 6550 1950 6550
Wire Wire Line
1850 6650 1950 6650
Wire Wire Line
1750 6600 1850 6600
Wire Wire Line
1850 6400 1850 6450
Wire Wire Line
1850 6400 1850 6350
Connection ~ 1850 6400
Wire Wire Line
1850 6350 1950 6350
Wire Wire Line
1850 6450 1950 6450
Wire Wire Line
1750 6400 1850 6400
Wire Wire Line
1850 6200 1850 6250
Wire Wire Line
1850 6200 1850 6150
Connection ~ 1850 6200
Wire Wire Line
1850 6150 1950 6150
Wire Wire Line
1850 6250 1950 6250
Wire Wire Line
1750 6200 1850 6200
Wire Wire Line
1850 7200 1850 7150
Wire Wire Line
1850 7200 1850 7250
Connection ~ 1850 7200
Wire Wire Line
1850 7250 1950 7250
Wire Wire Line
1850 7150 1950 7150
Wire Wire Line
1750 7200 1850 7200
$Comp
L Device:C_Small C1
U 1 1 5C2E290A
P 2400 4200
F 0 "C1" H 2492 4246 50 0000 L CNN
F 1 "2u2" H 2492 4155 50 0000 L CNN
F 2 "stdpads:C_0805" H 2400 4200 50 0001 C CNN
F 3 "~" H 2400 4200 50 0001 C CNN
1 2400 4200
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C2
U 1 1 5C2E296A
P 2800 4200
F 0 "C2" H 2892 4246 50 0000 L CNN
F 1 "2u2" H 2892 4155 50 0000 L CNN
F 2 "stdpads:C_0805" H 2800 4200 50 0001 C CNN
F 3 "~" H 2800 4200 50 0001 C CNN
1 2800 4200
1 0 0 -1
$EndComp
Wire Wire Line
2800 4300 2400 4300
$Comp
L power:+5V #PWR0113
U 1 1 5C2E299D
P 2400 4100
F 0 "#PWR0113" H 2400 3950 50 0001 C CNN
F 1 "+5V" H 2400 4250 50 0000 C CNN
F 2 "" H 2400 4100 50 0001 C CNN
F 3 "" H 2400 4100 50 0001 C CNN
1 2400 4100
1 0 0 -1
$EndComp
Connection ~ 2400 4100
Wire Wire Line
2400 4100 2800 4100
$Comp
L Device:C_Small C3
U 1 1 5C2EDC35
P 3200 4200
F 0 "C3" H 3292 4246 50 0000 L CNN
F 1 "2u2" H 3292 4155 50 0000 L CNN
F 2 "stdpads:C_0805" H 3200 4200 50 0001 C CNN
F 3 "~" H 3200 4200 50 0001 C CNN
1 3200 4200
1 0 0 -1
$EndComp
Wire Wire Line
3200 4100 2800 4100
Connection ~ 2800 4100
Wire Wire Line
2800 4300 3200 4300
Connection ~ 2800 4300
Connection ~ 3200 4300
Wire Wire Line
3200 4300 3600 4300
Connection ~ 3600 4300
Wire Wire Line
3600 4100 3200 4100
Connection ~ 3200 4100
$Comp
L Device:C_Small C4
U 1 1 5D1301A9
P 3600 4200
F 0 "C4" H 3692 4246 50 0000 L CNN
F 1 "2u2" H 3692 4155 50 0000 L CNN
F 2 "stdpads:C_0805" H 3600 4200 50 0001 C CNN
F 3 "~" H 3600 4200 50 0001 C CNN
1 3600 4200
1 0 0 -1
$EndComp
Text Label 1950 5650 0 50 ~ 0
2A10
Text Label 1950 5450 0 50 ~ 0
2A9
Text Label 1950 5850 0 50 ~ 0
2A8
Text Label 1950 6050 0 50 ~ 0
2A0
Text Label 1950 6250 0 50 ~ 0
2A7
Text Label 1950 6450 0 50 ~ 0
2A1
Text Label 1950 6850 0 50 ~ 0
2A2
Text Label 1950 7050 0 50 ~ 0
2A5
Text Label 1950 6650 0 50 ~ 0
2A6
Text Label 1950 7250 0 50 ~ 0
2A3
Text Label 1950 7450 0 50 ~ 0
2A4
Text Label 1750 6000 2 50 ~ 0
A3
Text Label 1750 5800 2 50 ~ 0
A2
Text Label 1750 5600 2 50 ~ 0
A1
Text Label 1750 5400 2 50 ~ 0
A0
Text Label 1750 7000 2 50 ~ 0
A8
Text Label 1750 6800 2 50 ~ 0
A7
Text Label 1750 6600 2 50 ~ 0
A6
Text Label 1750 6400 2 50 ~ 0
A5
Text Label 1750 6200 2 50 ~ 0
A4
Text Label 1750 7200 2 50 ~ 0
A9
Text Label 1750 7400 2 50 ~ 0
A10
Text Label 1950 5350 0 50 ~ 0
1A4
Text Label 1950 5550 0 50 ~ 0
1A3
Text Label 1950 5750 0 50 ~ 0
1A5
Text Label 1950 5950 0 50 ~ 0
1A2
Text Label 1950 6150 0 50 ~ 0
1A6
Text Label 1950 6350 0 50 ~ 0
1A1
Text Label 1950 6550 0 50 ~ 0
1A7
Text Label 1950 6750 0 50 ~ 0
1A0
Text Label 1950 6950 0 50 ~ 0
1A8
Text Label 1950 7150 0 50 ~ 0
1A10
Text Label 1950 7350 0 50 ~ 0
1A9
$Comp
L GW_RAM:DRAM-4Mx4-SOP-24 U1
U 1 1 5D38F422
P 3800 6700
F 0 "U1" H 3800 7350 50 0000 C CNN
F 1 "4C4M4" H 3800 6050 50 0000 C CNN
F 2 "stdpads:SOJ-24-26_300mil" H 3800 6000 50 0001 C CNN
F 3 "https://www.alliancememory.com/wp-content/uploads/pdf/AS6C8008.pdf" H 3800 6200 50 0001 C CNN
1 3800 6700
1 0 0 -1
$EndComp
Text Label 3400 7100 2 50 ~ 0
1A9
$Comp
L power:GND #PWR0105
U 1 1 5D395DE3
P 4200 7200
F 0 "#PWR0105" H 4200 6950 50 0001 C CNN
F 1 "GND" H 4200 7050 50 0000 C CNN
F 2 "" H 4200 7200 50 0001 C CNN
F 3 "" H 4200 7200 50 0001 C CNN
1 4200 7200
1 0 0 -1
$EndComp
Text Label 4200 6800 0 50 ~ 0
~CAS~
Text Label 4200 6900 0 50 ~ 0
~RAS~
Text Label 4200 7000 0 50 ~ 0
~RWE~
Text Label 4200 6300 0 50 ~ 0
D5
Text Label 4200 6600 0 50 ~ 0
D4
Text Label 4200 6400 0 50 ~ 0
D7
Text Label 4200 6500 0 50 ~ 0
D6
$Comp
L power:+5V #PWR0106
U 1 1 5D396692
P 4200 6200
F 0 "#PWR0106" H 4200 6050 50 0001 C CNN
F 1 "+5V" H 4200 6350 50 0000 C CNN
F 2 "" H 4200 6200 50 0001 C CNN
F 3 "" H 4200 6200 50 0001 C CNN
1 4200 6200
1 0 0 -1
$EndComp
Text Label 5800 7100 0 50 ~ 0
~OE~
Text Label 5000 7000 2 50 ~ 0
2A8
Text Label 5000 6900 2 50 ~ 0
2A7
Text Label 5000 6800 2 50 ~ 0
2A6
Text Label 5000 6700 2 50 ~ 0
2A5
Text Label 5000 6600 2 50 ~ 0
2A4
Text Label 5000 6500 2 50 ~ 0
2A3
Text Label 5000 6400 2 50 ~ 0
2A2
Text Label 5000 6300 2 50 ~ 0
2A1
Text Label 5000 6200 2 50 ~ 0
2A0
Text Label 5000 7200 2 50 ~ 0
2A10
Text Label 5000 7100 2 50 ~ 0
2A9
$Comp
L power:GND #PWR0108
U 1 1 5D3999DD
P 5800 7200
F 0 "#PWR0108" H 5800 6950 50 0001 C CNN
F 1 "GND" H 5800 7050 50 0000 C CNN
F 2 "" H 5800 7200 50 0001 C CNN
F 3 "" H 5800 7200 50 0001 C CNN
1 5800 7200
1 0 0 -1
$EndComp
Text Label 5800 6800 0 50 ~ 0
~CAS~
Text Label 5800 6900 0 50 ~ 0
~RAS~
Text Label 5800 7000 0 50 ~ 0
~RWE~
$Comp
L power:+5V #PWR0109
U 1 1 5D3999EA
P 5800 6200
F 0 "#PWR0109" H 5800 6050 50 0001 C CNN
F 1 "+5V" H 5800 6350 50 0000 C CNN
F 2 "" H 5800 6200 50 0001 C CNN
F 3 "" H 5800 6200 50 0001 C CNN
1 5800 6200
1 0 0 -1
$EndComp
Text Label 5800 6600 0 50 ~ 0
D0
Text Label 5800 6500 0 50 ~ 0
D2
Text Label 5800 6400 0 50 ~ 0
D3
Text Label 5800 6300 0 50 ~ 0
D1
$Comp
L power:GND #PWR0110
U 1 1 5D3FC319
P 4000 4300
F 0 "#PWR0110" H 4000 4050 50 0001 C CNN
F 1 "GND" H 4000 4150 50 0000 C CNN
F 2 "" H 4000 4300 50 0001 C CNN
F 3 "" H 4000 4300 50 0001 C CNN
1 4000 4300
1 0 0 -1
$EndComp
Wire Wire Line
3600 4300 4000 4300
Connection ~ 4000 4300
Wire Wire Line
4000 4100 3600 4100
$Comp
L Device:C_Small C5
U 1 1 5D3FC322
P 4000 4200
F 0 "C5" H 4092 4246 50 0000 L CNN
F 1 "2u2" H 4092 4155 50 0000 L CNN
F 2 "stdpads:C_0805" H 4000 4200 50 0001 C CNN
F 3 "~" H 4000 4200 50 0001 C CNN
1 4000 4200
1 0 0 -1
$EndComp
$Comp
L GW_RAM:DRAM-4Mx4-SOP-24 U2
U 1 1 5D3999D6
P 5400 6700
F 0 "U2" H 5400 7350 50 0000 C CNN
F 1 "4C4M4" H 5400 6050 50 0000 C CNN
F 2 "stdpads:SOJ-24-26_300mil" H 5400 6000 50 0001 C CNN
F 3 "https://www.alliancememory.com/wp-content/uploads/pdf/AS6C8008.pdf" H 5400 6200 50 0001 C CNN
1 5400 6700
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 60C23F6F
P 7550 5200
F 0 "#PWR0107" H 7550 4950 50 0001 C CNN
F 1 "GND" H 7550 5050 50 0000 C CNN
F 2 "" H 7550 5200 50 0001 C CNN
F 3 "" H 7550 5200 50 0001 C CNN
1 7550 5200
1 0 0 -1
$EndComp
NoConn ~ 7550 5000
Text Label 7650 5000 0 50 ~ 0
~WE~
Text Label 7750 5100 2 50 ~ 0
~WEE~
Wire Wire Line
7650 5000 7750 5000
Text Label 8700 5050 2 50 ~ 0
~RWE~
Wire Wire Line
8700 5050 8500 5050
$Comp
L Device:R_Small R2
U 1 1 60C54176
P 7150 3550
F 0 "R2" H 7209 3596 50 0000 L CNN
F 1 "FPM" H 7209 3505 50 0000 L CNN
F 2 "stdpads:R_0805" H 7150 3550 50 0001 C CNN
F 3 "~" H 7150 3550 50 0001 C CNN
1 7150 3550
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R1
U 1 1 60C5420A
P 7150 3350
F 0 "R1" H 7209 3396 50 0000 L CNN
F 1 "EDO" H 7209 3305 50 0000 L CNN
F 2 "stdpads:R_0805" H 7150 3350 50 0001 C CNN
F 3 "~" H 7150 3350 50 0001 C CNN
1 7150 3350
1 0 0 -1
$EndComp
Text Label 6950 3450 0 50 ~ 0
~OE~
Wire Wire Line
7150 3450 6950 3450
Connection ~ 7150 3450
Text Label 6950 3250 0 50 ~ 0
~CAS~
Wire Wire Line
6950 3250 7150 3250
$Comp
L power:GND #PWR0115
U 1 1 60C57F90
P 7150 3650
F 0 "#PWR0115" H 7150 3400 50 0001 C CNN
F 1 "GND" H 7150 3500 50 0000 C CNN
F 2 "" H 7150 3650 50 0001 C CNN
F 3 "" H 7150 3650 50 0001 C CNN
1 7150 3650
1 0 0 -1
$EndComp
$Comp
L 74xGxx:74AHCT1G32 U5
U 1 1 60C701C1
P 8050 5050
F 0 "U5" H 8050 5050 50 0000 C CNN
F 1 "74LVC1G32" H 8150 4950 50 0000 L CNN
F 2 "stdpads:SOT-353" H 8050 5050 50 0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 8050 5050 50 0001 C CNN
1 8050 5050
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 60C72B3C
P 8050 5150
F 0 "#PWR0118" H 8050 4900 50 0001 C CNN
F 1 "GND" H 8050 5000 50 0000 C CNN
F 2 "" H 8050 5150 50 0001 C CNN
F 3 "" H 8050 5150 50 0001 C CNN
1 8050 5150
1 0 0 -1
$EndComp
$Comp
L Regulator_Linear:XC6206PxxxMR U6
U 1 1 60C9B194
P 3250 4950
F 0 "U6" H 3250 5192 50 0000 C CNN
F 1 "XC6206PxxxMR" H 3250 5101 50 0000 C CNN
F 2 "stdpads:SOT-23" H 3250 5175 50 0001 C CIN
F 3 "https://www.torexsemi.com/file/xc6206/XC6206.pdf" H 3250 4950 50 0001 C CNN
1 3250 4950
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0119
U 1 1 60C9CD9C
P 3250 5250
F 0 "#PWR0119" H 3250 5000 50 0001 C CNN
F 1 "GND" H 3250 5100 50 0000 C CNN
F 2 "" H 3250 5250 50 0001 C CNN
F 3 "" H 3250 5250 50 0001 C CNN
1 3250 5250
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C6
U 1 1 60CA3460
P 2400 3800
F 0 "C6" H 2492 3846 50 0000 L CNN
F 1 "2u2" H 2492 3755 50 0000 L CNN
F 2 "stdpads:C_0805" H 2400 3800 50 0001 C CNN
F 3 "~" H 2400 3800 50 0001 C CNN
1 2400 3800
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C7
U 1 1 60CA3466
P 2800 3800
F 0 "C7" H 2892 3846 50 0000 L CNN
F 1 "2u2" H 2892 3755 50 0000 L CNN
F 2 "stdpads:C_0805" H 2800 3800 50 0001 C CNN
F 3 "~" H 2800 3800 50 0001 C CNN
1 2800 3800
1 0 0 -1
$EndComp
Wire Wire Line
2800 3900 2400 3900
Wire Wire Line
2400 3700 2800 3700
$Comp
L power:+3V3 #PWR0121
U 1 1 60CA59B0
P 2400 3700
F 0 "#PWR0121" H 2400 3550 50 0001 C CNN
F 1 "+3V3" H 2400 3850 50 0000 C CNN
F 2 "" H 2400 3700 50 0001 C CNN
F 3 "" H 2400 3700 50 0001 C CNN
1 2400 3700
1 0 0 -1
$EndComp
Connection ~ 2400 3700
$Comp
L power:+5V #PWR0122
U 1 1 60CA60DC
P 2850 4950
F 0 "#PWR0122" H 2850 4800 50 0001 C CNN
F 1 "+5V" H 2850 5100 50 0000 C CNN
F 2 "" H 2850 4950 50 0001 C CNN
F 3 "" H 2850 4950 50 0001 C CNN
1 2850 4950
1 0 0 -1
$EndComp
Wire Wire Line
2950 4950 2850 4950
$Comp
L power:+3V3 #PWR0123
U 1 1 60CA88AF
P 3650 4950
F 0 "#PWR0123" H 3650 4800 50 0001 C CNN
F 1 "+3V3" H 3650 5100 50 0000 C CNN
F 2 "" H 3650 4950 50 0001 C CNN
F 3 "" H 3650 4950 50 0001 C CNN
1 3650 4950
1 0 0 -1
$EndComp
Wire Wire Line
3550 4950 3650 4950
$Comp
L GW_Logic:741G74DC U4
U 1 1 60C11C86
P 7150 5050
F 0 "U4" H 7150 5050 50 0000 C CNN
F 1 "74LVC1G74DC" H 7150 4750 50 0000 C CNN
F 2 "stdpads:NXP_TSSOP-8_3x3mm_P0.65mm" H 7150 4700 50 0001 C TNN
F 3 "" H 7150 4850 60 0001 C CNN
1 7150 5050
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0114
U 1 1 60CD2DD4
P 7550 4900
F 0 "#PWR0114" H 7550 4750 50 0001 C CNN
F 1 "+3V3" H 7550 5050 50 0000 C CNN
F 2 "" H 7550 4900 50 0001 C CNN
F 3 "" H 7550 4900 50 0001 C CNN
1 7550 4900
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0117
U 1 1 60CD3487
P 8050 4950
F 0 "#PWR0117" H 8050 4800 50 0001 C CNN
F 1 "+3V3" H 8050 5100 50 0000 C CNN
F 2 "" H 8050 4950 50 0001 C CNN
F 3 "" H 8050 4950 50 0001 C CNN
1 8050 4950
1 0 0 -1
$EndComp
Connection ~ 2800 3900
Wire Wire Line
6650 5000 6750 5000
Text Label 5450 5200 0 50 ~ 0
~RAS~
$Comp
L Device:C_Small C9
U 1 1 60D6A09F
P 6550 5300
F 0 "C9" H 6642 5346 50 0000 L CNN
F 1 "22p" H 6642 5255 50 0000 L CNN
F 2 "stdpads:C_0805" H 6550 5300 50 0001 C CNN
F 3 "~" H 6550 5300 50 0001 C CNN
1 6550 5300
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R3
U 1 1 60D6B055
P 6400 5200
F 0 "R3" V 6250 5200 50 0000 C CNN
F 1 "100" V 6350 5200 50 0000 C BNN
F 2 "stdpads:R_0805" H 6400 5200 50 0001 C CNN
F 3 "~" H 6400 5200 50 0001 C CNN
1 6400 5200
0 1 1 0
$EndComp
Wire Wire Line
6500 5200 6550 5200
Wire Wire Line
6750 5100 6550 5100
Wire Wire Line
6550 5100 6550 5000
Text Label 5450 4900 0 50 ~ 0
~CAS~
Wire Wire Line
5450 4900 6750 4900
Connection ~ 6550 5200
Wire Wire Line
6550 5200 6750 5200
Wire Wire Line
6300 5200 6250 5200
Wire Wire Line
6250 5200 6250 5000
Wire Wire Line
6250 5000 6550 5000
$Comp
L 74xGxx:74AHCT1G04 U3
U 1 1 60D961A7
P 5950 5200
F 0 "U3" H 5900 5200 50 0000 C CNN
F 1 "74LVC1G04" H 6000 5100 50 0000 L CNN
F 2 "stdpads:SOT-353" H 5950 5200 50 0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 5950 5200 50 0001 C CNN
1 5950 5200
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 60D97767
P 5950 5400
F 0 "#PWR0112" H 5950 5150 50 0001 C CNN
F 1 "GND" H 5950 5250 50 0000 C CNN
F 2 "" H 5950 5400 50 0001 C CNN
F 3 "" H 5950 5400 50 0001 C CNN
1 5950 5400
1 0 0 -1
$EndComp
Wire Wire Line
5450 5200 5650 5200
Wire Wire Line
6200 5200 6250 5200
Connection ~ 6250 5200
Wire Wire Line
7550 5100 7750 5100
Wire Wire Line
5950 5300 5950 5400
Wire Wire Line
5950 5400 6550 5400
Connection ~ 5950 5400
Wire Wire Line
6650 4850 6650 5000
$Comp
L power:+3V3 #PWR0111
U 1 1 60CEEECB
P 6650 4850
F 0 "#PWR0111" H 6650 4700 50 0001 C CNN
F 1 "+3V3" H 6650 5000 50 0000 C CNN
F 2 "" H 6650 4850 50 0001 C CNN
F 3 "" H 6650 4850 50 0001 C CNN
1 6650 4850
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0116
U 1 1 60D97B61
P 5950 5100
F 0 "#PWR0116" H 5950 4950 50 0001 C CNN
F 1 "+3V3" H 5950 5250 50 0000 C CNN
F 2 "" H 5950 5100 50 0001 C CNN
F 3 "" H 5950 5100 50 0001 C CNN
1 5950 5100
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R4
U 1 1 60E11E8F
P 8400 5050
F 0 "R4" V 8250 5050 50 0000 C CNN
F 1 "100" V 8350 5050 50 0000 C BNN
F 2 "stdpads:R_0805" H 8400 5050 50 0001 C CNN
F 3 "~" H 8400 5050 50 0001 C CNN
1 8400 5050
0 1 1 0
$EndComp
$Comp
L Device:C_Small C8
U 1 1 60CDF1EF
P 3200 3800
F 0 "C8" H 3292 3846 50 0000 L CNN
F 1 "2u2" H 3292 3755 50 0000 L CNN
F 2 "stdpads:C_0805" H 3200 3800 50 0001 C CNN
F 3 "~" H 3200 3800 50 0001 C CNN
1 3200 3800
1 0 0 -1
$EndComp
Wire Wire Line
3200 3900 2800 3900
Wire Wire Line
2800 3700 3200 3700
$Comp
L power:GND #PWR0120
U 1 1 60CDF1F7
P 3200 3900
F 0 "#PWR0120" H 3200 3650 50 0001 C CNN
F 1 "GND" H 3200 3750 50 0000 C CNN
F 2 "" H 3200 3900 50 0001 C CNN
F 3 "" H 3200 3900 50 0001 C CNN
1 3200 3900
1 0 0 -1
$EndComp
Connection ~ 3200 3900
Connection ~ 2800 3700
$EndSCHEMATC