RAMSIMM-30/GW4194-4MB-CBRFIX-SOJ/GW4194-SOJ.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
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Sheet 1 1
Title "GW4194A"
Date "2021-06-19"
Rev "1.0"
Comp "Garrett's Workshop"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
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F 3 "~" H 4450 3450 50  0001 C CNN
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$EndComp
$Comp
L power:+5V #PWR0101
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F 3 "" H 5950 3250 50  0001 C CNN
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$EndComp
$Comp
L power:+5V #PWR0102
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F 3 "" H 3050 3250 50  0001 C CNN
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$EndComp
$Comp
L power:GND #PWR0103
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$EndComp
$Comp
L power:GND #PWR0104
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F 3 "" H 3850 3250 50  0001 C CNN
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$EndComp
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$Comp
L Device:C_Small C1
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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
$Comp
L Device:C_Small C2
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F 2 "stdpads:C_0805" H 2800 4200 50  0001 C CNN
F 3 "~" H 2800 4200 50  0001 C CNN
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$EndComp
Wire Wire Line
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$Comp
L power:+5V #PWR0113
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F 2 "" H 2400 4100 50  0001 C CNN
F 3 "" H 2400 4100 50  0001 C CNN
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$EndComp
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Wire Wire Line
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$Comp
L Device:C_Small C3
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F 1 "2u2" H 3292 4155 50  0000 L CNN
F 2 "stdpads:C_0805" H 3200 4200 50  0001 C CNN
F 3 "~" H 3200 4200 50  0001 C CNN
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$EndComp
Wire Wire Line
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Wire Wire Line
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Connection ~ 3200 4300
Wire Wire Line
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Connection ~ 3600 4300
Wire Wire Line
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Connection ~ 3200 4100
$Comp
L Device:C_Small C4
U 1 1 5D1301A9
P 3600 4200
F 0 "C4" H 3692 4246 50  0000 L CNN
F 1 "2u2" H 3692 4155 50  0000 L CNN
F 2 "stdpads:C_0805" H 3600 4200 50  0001 C CNN
F 3 "~" H 3600 4200 50  0001 C CNN
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$EndComp
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$Comp
L GW_RAM:DRAM-4Mx4-SOP-24 U1
U 1 1 5D38F422
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F 1 "4C4M4" H 3800 6050 50  0000 C CNN
F 2 "stdpads:SOJ-24-26_300mil" H 3800 6000 50  0001 C CNN
F 3 "https://www.alliancememory.com/wp-content/uploads/pdf/AS6C8008.pdf" H 3800 6200 50  0001 C CNN
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$EndComp
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L power:GND #PWR0105
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F 2 "" H 4200 7200 50  0001 C CNN
F 3 "" H 4200 7200 50  0001 C CNN
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$EndComp
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$Comp
L power:+5V #PWR0106
U 1 1 5D396692
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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
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$EndComp
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L power:GND #PWR0108
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L power:GND #PWR0110
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F 3 "" H 4000 4300 50  0001 C CNN
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$EndComp
Wire Wire Line
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Wire Wire Line
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$Comp
L Device:C_Small C5
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F 3 "~" H 4000 4200 50  0001 C CNN
	1    4000 4200
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$EndComp
$Comp
L GW_RAM:DRAM-4Mx4-SOP-24 U2
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$EndComp
$Comp
L power:GND #PWR0107
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$EndComp
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$Comp
L Device:R_Small R2
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$EndComp
$Comp
L Device:R_Small R1
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$EndComp
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$Comp
L power:GND #PWR0115
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$Comp
L 74xGxx:74AHCT1G32 U5
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$EndComp
$Comp
L power:GND #PWR0118
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F 2 "" H 8050 5150 50  0001 C CNN
F 3 "" H 8050 5150 50  0001 C CNN
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$EndComp
$Comp
L Regulator_Linear:XC6206PxxxMR U6
U 1 1 60C9B194
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F 0 "U6" H 3250 5192 50  0000 C CNN
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F 2 "stdpads:SOT-23" H 3250 5175 50  0001 C CIN
F 3 "https://www.torexsemi.com/file/xc6206/XC6206.pdf" H 3250 4950 50  0001 C CNN
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$EndComp
$Comp
L power:GND #PWR0119
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F 2 "" H 3250 5250 50  0001 C CNN
F 3 "" H 3250 5250 50  0001 C CNN
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$EndComp
$Comp
L Device:C_Small C6
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F 3 "~" H 2400 3800 50  0001 C CNN
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$EndComp
$Comp
L Device:C_Small C7
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F 3 "~" H 2800 3800 50  0001 C CNN
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Wire Wire Line
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$Comp
L power:+3V3 #PWR0121
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F 2 "" H 2400 3700 50  0001 C CNN
F 3 "" H 2400 3700 50  0001 C CNN
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$EndComp
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$Comp
L power:+5V #PWR0122
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$EndComp
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L power:+3V3 #PWR0123
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$EndComp
Wire Wire Line
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$Comp
L GW_Logic:741G74DC U4
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F 0 "U4" H 7150 5050 50  0000 C CNN
F 1 "74LVC1G74DC" H 7150 4750 50  0000 C CNN
F 2 "stdpads:NXP_TSSOP-8_3x3mm_P0.65mm" H 7150 4700 50  0001 C TNN
F 3 "" H 7150 4850 60  0001 C CNN
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$EndComp
$Comp
L power:+3V3 #PWR0114
U 1 1 60CD2DD4
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F 0 "#PWR0114" H 7550 4750 50  0001 C CNN
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F 2 "" H 7550 4900 50  0001 C CNN
F 3 "" H 7550 4900 50  0001 C CNN
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$EndComp
$Comp
L power:+3V3 #PWR0117
U 1 1 60CD3487
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F 0 "#PWR0117" H 8050 4800 50  0001 C CNN
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F 2 "" H 8050 4950 50  0001 C CNN
F 3 "" H 8050 4950 50  0001 C CNN
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	1    0    0    -1  
$EndComp
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Wire Wire Line
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~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