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參數資料
| 型號： | WED3DG6432V10D1MG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 64 SYNCHRONOUS DRAM MODULE, 6 ns, ZMA144 |
| 封裝： | ROHS COMPLIANT, SODIMM-144 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 245K |
| 代理商： | WED3DG6432V10D1MG |
WED3DG6432V-D1
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
January 2006
Rev. 1
White Electronic Designs Corp. reserves the right to change products or specications without notice.
PRELIMINARY*
256MB- 32Mx64 SDRAM UNBUFFERED
The WED3DG6432V is a 32Mx64 synchronous DRAM
module which consists of eight 16Mx16 SDRAM
components in TSOP II package, and one 2Kb EEPROM
in an 8 pin TSSOP package for Serial Presence Detect
which are mounted on a 144 pin SO-DIMM multilayer
FR4 Substrate.
* This product is under development, is not qualied or characterized
and is subject to change without notice.
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
DESCRIPTION
FEATURES
Burst Mode Operation
Auto and Self Refresh capability
LVTTL compatible inputs and outputs
Serial Presence Detect with EEPROM
Fully synchronous: All signals are registered on the positive
edge of the system clock
Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
3.3V ± 0.3V Power Supply
144 Pin SO-DIMM JEDEC
D1: 27.94 (1.10") TYP
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN NAMES
A0 – A12
Address Input (Multiplexed)
BA0-1
Select Bank
DQ0-63
Data Input/Output
CK0,CK1
Clock Input
CKE0,CKE1 Clock Enable Input
CS0#,CS1# Chip Select Input
RAS#
Row Address Strobe
CAS#
Column Address Strobe
WE#
Write Enable
DQM0-7
DQM
VCC
Power Supply (3.3V)
VSS
Ground
SDA
Serial Data I/O
SCL
Serial Clock
DNU
Do Not Use
NC
No Connect
PINOUT
PIN
FRONT
PIN
BACK
PIN
FRONT
PIN
BACK
PIN
BACK
PIN
BACK
1VSS
2VSS
51
DQ14
52
DQ46
95
DQ21
96
DQ53
3
DQ0
4
DQ32
53
DQ15
54
DQ47
97
DQ22
98
DQ54
5
DQ1
6
DQ33
55
VSS
56
VSS
99
DQ23
100
DQ55
7
DQ2
8
DQ34
57
NC
58
NC
101
VCC
102
VCC
9
DQ3
10
DQ35
59
NC
60
NC
103
A6
104
A7
11
VCC
12
VCC
105
A8
106
BA0
13
DQ4
14
DQ36
107
VSS
108
VSS
15
DQ5
16
DQ37
109
A9
110
BA1
17
DQ6
18
DQ38
61
CK0
62
CKE0
111
A10/AP
112
A11
19
DQ7
20
DQ39
63
VCC
64
VCC
113
VCC
114
VCC
21
VSS
22
VSS
65
RAS#
66
CAS#
115
DQM2
116
DQM6
23
DQM0
24
DQM4
67
WE#
68
CKE1
117
DQM3
118
DQM7
25
DQM1
26
DQM5
69
CS0#
70
A12
119
VSS
120
VSS
27
VCC
28
VCC
71
CS1#
72
*A13
121
DQ24
122
DQ56
29
A0
30
A3
73
DNU
74
CK1
123
DQ25
124
DQ57
31
A1
32
A4
75
VSS
76
VSS
125
DQ26
126
DQ58
33
A2
34
A5
77
NC
78
NC
127
DQ27
128
DQ59
35
VSS
36
VSS
79
NC
80
NC
129
VCC
130
VCC
37
DQ8
38
DQ40
81
VCC
82
VCC
131
DQ28
132
DQ60
39
DQ9
40
DQ41
83
DQ16
84
DQ48
133
DQ29
134
DQ61
41
DQ10
42
DQ42
85
DQ17
86
DQ49
135
DQ30
136
DQ62
43
DQ11
44
DQ43
87
DQ18
88
DQ50
137
DQ31
138
DQ63
45
VCC
46
VCC
89
DQ19
90
DQ51
139
VSS
140
VSS
47
DQ12
48
DQ44
91
VSS
92
VSS
141
**SDA
142
**SCL
49
DQ13
50
DQ45
93
DQ20
94
DQ52
143
VCC
144
VCC
VOLTAGE KEY
* These pins are not used in this module.
** These pins should be NC in the system which
does not support SPD.
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