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參數(shù)資料
| 型號： | WED3DG7266V75D1-SG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 64M X 72 SYNCHRONOUS DRAM MODULE, ZMA144 |
| 封裝： | ROHS COMPLIANT, SO-DIMM, 144 PIN |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 187K |
| 代理商： | WED3DG7266V75D1-SG |
WED3DG7266V-D1
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
May 2007
Rev. 5
PRELIMINARY*
512MB – 64Mx72 SDRAM, UNBUFFERED, w/PLL
FEATURES
PC100 and PC133
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
Single Rank
3.3V ± 0.3V Power Supply
144 Pin SO-DIMM JEDEC
D1: 31.75 (1.25") TYP
DESCRIPTION
The WED3DG7266V is a 64Mx72 synchronous DRAM
module which consists of nine 64Mx8 SDRAM components
in TSOP II package, and one 2Kb EEPROM in an 8
pin TSOP package for Serial Presence Detect which
are mounted on a 144 pin SO-DIMM multilayer FR4
Substrate.
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
PIN NAMES
A0 – A12
Address Input (Multiplexed)
BA0-1
Select Bank
DQ0-63
Data Input/Output
CLK0, CLK1 Clock Input
CB0-7
Check Bit (Data-In/Data-Out)
CKE0
Clock Enable Input
CS0#
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
* These pins are not used in this module
** These pins should be NC in the system which does
not support SPD.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PINOUT
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
CKE1*
115
DQMB2
116
DQMB6
21
VSS
22
VSS
69
SO#
70
A12*
117
DQMB3
118
DQMB7
23
DQMB0
24
DQMB4
71
S1#*
72
NC
119
VSS
120
VSS
25
DQMB1
26
DQMB5
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WED3DG7266V75D1XX | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 SDRAM, UNBUFFERED, w/PLL |
| WED3DG7266V7D1I-MG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 SDRAM, UNBUFFERED, w/PLL |
| WED3DG7266V7D1I-SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 SDRAM, UNBUFFERED, w/PLL |
| WED3DG7266V7D1I-XX | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 SDRAM, UNBUFFERED, w/PLL |
| WED3DG7266V7D1XX | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 SDRAM, UNBUFFERED, w/PLL |
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