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| 型号： | W3DG7232V10JD1 |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | DRAM |
| 英文描述： | 32M X 72 SYNCHRONOUS DRAM MODULE, ZMA144 |
| 封装： | SODIMM-144 |
| 文件页数： | 1/7页 |
| 文件大小： | 280K |
| 代理商： | W3DG7232V10JD1 |
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
September 2004
Rev. 0
PRELIMINARY*
W3DG7232V-D1
-JD1
256MB - 32Mx72 SDRAM UNBUFFERED
DESCRIPTION
The W3DG7232V is a 32Mx72 synchronous DRAM module
which consists of nine 32Mx8 SDRAM components in
TSOP II package, and one 2K 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.
FEATURES
PC100 and PC133 Compatible
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
Package height options:
JD1: 31.75 (1.25")
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN NAMES
A0 – A12
Address input (Multiplexed)
BA0-1
Select Bank
DQ0-63
Data Input/Output
CB0-7
Check bit (Data-in/data-out)
CLK0,CK1
Clock input
CKE0
Clock Enable input
CS0#
Chip select Input
RAS#
Row Address Strobe
CAS#
Column Address Strobe
WE#
Write Enable
DQMB0-7
DQM
VCC
Power Supply (3.3V)
VSS
Ground
SDA
Serial data I/O
SCL
Serial clock
DNU
Do not use
NC
No Connect
PIN FRONT PIN BACK PIN FRONT PIN BACK PIN FRONT PIN BACK
1VSS
2VSS
49
DQ13
50
DQ45
97
DQ22
98
DQ54
3
DQ0
4
DQ32
51
DQ14
52
DQ46
99
DQ23 100 DQ55
5
DQ1
6
DQ33
53
DQ15
54
DQ47 101
VCC
102
VCC
7
DQ2
8
DQ34
55
VSS
56
VSS
103
A6
104
A7
9
DQ3
10
DQ35
57
CB0
58
CB4
105
A8
106
BA0
11
VCC
12
VCC
59
CB1
60
CB5
107
VSS
108
VSS
13
DQ4
14
DQ36
61
CLK0
62
CKE0 109
A9
110
BA1
15
DQ5
16
DQ37
63
VCC
64
VCC
111
A10
112
A11
17
DQ6
18
DQ38
65
RAS#
66
CAS# 113
VCC
114
VCC
19
DQ7
20
DQ39
67
WE#
68
NC
115 DQMB2 116 DQMB6
21
VSS
22
VSS
69
SO#
70
A12
117 DQMB3 118 DQMB7
23 DQMB0 24
DQB4
71
NC
72
NC
119
VSS
120
VSS
25 DQMB1 26
DQB5
73
NC
74
CLK1 121 DQ24 122 DQ56
27
VCC
28
VCC
75
VSS
76
VSS
123 DQ25 124 DQ57
29
A0
30
A3
77
CB2
78
CB6
125 DQ26 126 DQ58
31
A1
32
A4
79
CB3
80
CB7
127 DQ27 128 DQ59
33
A2
34
A5
81
VCC
82
VCC
129
VCC
130
VCC
35
VSS
36
VSS
83
DQ16
84
DQ48 131 DQ28 132 DQ60
37
DQ8
38
DQ40
85
DQ17
86
DQ49 133 DQ29 134 DQ61
39
DQ9
40
DQ41
87
DQ18
88
DQ50 135 DQ30 136 DQ62
41
DQ10
42
DQ42
89
DQ19
90
DQ51 137 DQ31 138 DQ63
43
DQ11
44
DQ43
91
VSS
92
VSS
139
VSS
140
VSS
45
VCC
46
VCC
93
DQ20
94
DQ52 141
SDA
142
SCL
47
DQ12
48
DQ44
95
DQ21
96
DQ53 143
VCC
144
VCC
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相关代理商/技术参数 |
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| W3DG7232V75AD1 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 SDRAM UNBUFFERED |
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