UG42W641(4)6GSG
Data sheets can be downloaded at www.unigen.com
16M Bytes (2M x 64 bits)
EDO MODE
DRAM MODULE
EDO Mode Unbuffered SODIMM
based on 8 pcs 1M x 16 DRAM with LVTTL, 1K & 4K Refresh
PIN ASSIGNMENT (Front View)
144-Pin SODIMM
GENERAL DESCRIPTION
The UG42W641(4)6GSG is a 2Mbits x 64 EDO
DRAM module. The UG42W641(4)6GSG is assembled
using 8 pcs of 1M x 16 1K/4K refresh DRAMs mounted
on 144 pin unbuffered printed circuit board.
FEATURES
Single 3.3V ± 10% power supply
•
•
•
•
•
•
Hyper Page Mode (EDO) operation
10\10/12\8 Addressing (Row\Column)
1024/4096 refresh cycles every 16/64 ms
CAS-before-RAS Refresh capability
LVTTL compatible inputs and output
Serial PD with EEPROM
PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL
1
VSS
DQ0
DQ1
DQ2
DQ3
VCC
2
4
VSS
DQ32
DQ33
DQ34
DQ35
VCC
73
75
/OE
VSS
74
76
NC
VSS
3
5
6
77
NC
78
NC
7
8
79
NC
80
NC
9
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
81
VCC
82
VCC
•
•
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
83
DQ16
DQ17
DQ18
DQ19
VSS
84
DQ48
DQ49
DQ50
DQ51
VSS
PCB:Height (1,050mil),double sided component
DQ4
DQ5
DQ6
DQ7
VSS
DQ36
DQ37
DQ38
DQ39
VSS
85
86
87
88
89
90
91
92
ABSOLUTE MAXIMUM RATINGS
93
DQ20
DQ21
DQ22
DQ23
VCC
94
DQ52
DQ53
DQ54
DQ55
VCC
/CAS0
/CAS1
VCC
/CAS4
/CAS5
VCC
95
96
• Voltage Relative to GND
• Operating Temperature
• Storage Temperature
• Short circuit Output Current
• Power Dissipation
-0.5 to + 4.6V
0 to + 70°C
-55°C to + 125°C
50mA
97
98
99
100
102
104
106
108
A0
A3
101
103
105
107
109
111
113
115
117
119
121
123
125
127
129
131
133
135
137
139
141
143
A1
A4
A6
A7
8W
A2
A5
A8
NC
VSS
VSS
VSS
VSS
DQ8
DQ9
DQ10
DQ11
VCC
DQ40
DQ41
DQ42
DQ43
VCC
A9
110 NC/A12
PART IDENTIFICATION
A10
112
114
116
118
120
122
124
126
128
130
132
134
136
138
140
142
144
A11
VCC
VCC
REF. CYCLE
PLATING
PART NO.
/CAS2
/CAS3
VSS
/CAS6
/CAS7
VSS
Gold
Gold
UG42W6416GSG
UG42W6446GSG
1K
4K
DQ12
DQ13
DQ14
DQ15
VSS
DQ44
DQ45
DQ46
DQ47
VSS
DQ24
DQ25
DQ26
DQ27
VCC
DQ56
DQ57
DQ58
DQ59
VCC
NC
NC
NC
NC
DQ28
DQ29
DQ30
DQ31
VSS
DQ60
DQ61
DQ62
DQ63
VSS
NC
NC
VCC
VCC
NC
NC
REVISION HISTORY
Jun 18 , 2002
/WE
/RAS0
/RAS1
NC
NC
SDA
VCC
SCL
Rev - A Product brief released.
NC
VCC
NOTE:
Pin symbols in parentheses are not used on these modules but may be
used for other modules in this product family. They are for reference only.
Re-Tek- 325
45388 Warm Springs Blvd. Fremont, CA. 94539
support@unigen.com
http://www.unigen.com,
1
TEL: (510) 668-2088
Customer Comment Line: 1-800-826-0808
FAX: (510)661-2788