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參數(shù)資料
| 型號： | WV3DG7266V-D1 |
| 英文描述： | 512MB -2x32Mx72 SDRAM, UNBUFFERED, w/PLL |
| 中文描述： | 512MB的- 2x32Mx72內(nèi)存，無緩沖，瓦特/鎖相環(huán) |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 182K |
| 代理商： | WV3DG7266V-D1 |
WV3DG7266V-D1
PRELIMINARY*
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
August 2005
Rev. 1
512MB – 2x32Mx72 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
3.3V ± 0.3V Power Supply
Dual Rank
144 Pin SO-DIMM JEDEC
PCB: 31.75mm (1.25”)
DESCRIPTION
The WV3DG7266V is a 2x32Mx72 synchronous DRAM
module which consists of nine stacked 64Mx8 with 4 banks
SDRAM components in TSOP II package, and one 2Kb
EEPROM for Serial Presence Detect which are mounted
on a 144 pin SO-DIMM multilayer FR4 Substrate.
* This product is under development, is not qualified 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
PIN NAMES
Address Input (Multiplexed)
Select Bank
Data Input/Output
Clock Input
Check Bit (Data-In/Data-Out)
Clock Enable Input
Chip Select Input
Row Address Strobe
Column Address Strobe
#Write Enable
DQM
Power Supply (3.3V)
Ground
Serial Data I/O
Serial Clock
Do Not Use
No Connect
* These pins are not used in this module
** These pins should be NC in the system which does
not support SPD.
A0 – A12
BA0-1
DQ0-63
CLK0, CLK1
CB0-7
CKE0
CS0#, CS1#
RAS#
CAS#
WE#
DQM0-7
V
CC
V
SS
SDA
SCL
DNU
NC
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PINOUT
FRONT
PIN
BACK
PIN
FRONT
V
SS
2
V
SS
49
DQ13
DQ0
4
DQ32
51
DQ14
DQ1
6
DQ33
53
DQ15
DQ2
8
DQ34
55
V
SS
DQ3
10
DQ35
57
CB0
V
CC
12
V
CC
59
CB1
DQ4
14
DQ36
61
CLK0
DQ5
16
DQ37
63
V
CC
DQ6
18
DQ38
65
RAS#
DQ7
20
DQ39
67
WE#
V
SS
22
V
SS
69
CS0#
DQM0
24
DQM4
71
CS1#*
DQM1
26
DQM5
73
NC
V
CC
28
V
CC
75
V
SS
A0
30
A3
77
CB2
A1
32
A4
79
CB3
A2
34
A5
81
V
CC
V
SS
36
V
SS
83
DQ16
DQ8
38
DQ40
85
DQ17
DQ9
40
DQ41
87
DQ18
DQ10
42
DQ42
89
DQ19
DQ11
44
DQ43
91
V
SS
V
CC
46
V
CC
93
DQ20
DQ12
48
DQ44
95
DQ21
PIN
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
PIN
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
BACK
DQ45
DQ46
DQ47
V
SS
CB4
CB5
CKE0
V
CC
CAS#
CKE1
A12
NC
CLK1
V
SS
CB6
CB7
V
CC
DQ48
DQ49
DQ50
DQ51
V
SS
DQ52
DQ53
PIN
97
99
101
103
105
107
109
111
113
115
117
119
121
123
125
127
129
131
133
135
137
139
141
143
FRONT
DQ22
DQ23
V
CC
A6
A8
V
SS
A9
A10
V
CC
DQM2
DQM3
V
SS
DQ24
DQ25
DQ26
DQ27
V
CC
DQ28
DQ29
DQ30
DQ31
V
SS
SDA
V
CC
PIN
98
100
102
104
106
108
110
112
114
116
118
120
122
124
126
128
130
132
134
136
138
140
142
144
BACK
DQ54
DQ55
V
CC
A7
BA0
V
SS
BA1
A11
V
CC
DQM6
DQM7
V
SS
DQ56
DQ57
DQ58
DQ59
V
CC
DQ60
DQ61
DQ62
DQ63
V
SS
SCL
V
CC
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| WV3EG128M72EFSR262D3MF | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
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| WV3EG128M72EFSR262D3SF | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| WV3EG128M72EFSR262D3SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| WV3EG128M72EFSR265D3MF | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
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