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PDF W3DG647V-D1 Data sheet ( Hoja de datos )

Número de pieza W3DG647V-D1
Descripción SDRAM UNBUFFERED
Fabricantes White Electronic Designs 
Logotipo White Electronic Designs Logotipo



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No Preview Available ! W3DG647V-D1 Hoja de datos, Descripción, Manual

White Electronic Designs
W3DG647V-D1
64MB- 8Mx64 SDRAM UNBUFFERED
FEATURES
PC100 and PC133 compatible
Burst Mode Operation
Auto and Self Refresh capability
LVTTL compatible inputs and outputs
Serial Presence Detect with EEPROM
www.DataSheet4UeF.ducgllyeosomyfnthchersoynsotuesm:
All signals
clock
are
registered
on
the
positive
Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
3.3V ± 0.3V Power Supply
144 Pin SO-DIMM JEDEC
DESCRIPTION
The W3DG647V is a 8Mx64 synchronous DRAM module
which consists of eight 8Mx8 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 subject to change without notice.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
Pin Front
1 VSS
3 DQ0
5 DQ1
7 DQ2
9 DQ3
11 VCC
13 DQ4
15 DQ5
17 DQ6
19 DQ7
21 VSS
23 DQM0
25 DQM1
27 VCC
29 A0
31 A1
33 A2
35 VSS
37 DQ8
39 DQ9
41 DQ10
43 DQ11
45 VCC
47 DQ12
49 DQ13
Pin Back
2 VSS
4 DQ32
6 DQ33
8 DQ34
10 DQ35
12 VCC
14 DQ36
16 DQ37
18 DQ38
20 DQ39
22 VSS
24 DQM4
26 DQM5
28 VCC
30 A3
32 A4
34 A5
36 VSS
38 DQ40
40 DQ41
42 DQ42
44 DQ43
46 VCC
48 DQ44
50 DQ45
Pin Front
51 DQ14
53 DQ15
55 VSS
57 NC
59 NC
Pin Back
52 DQ46
54 DQ47
56 VSS
58 NC
60 NC
VOLTAGE KEY
61 CLK0
63 VCC
65 RAS#
67 WE#
69 CS0#
71 NC
73 DNU
75 VSS
77 NC
79 NC
81 VCC
83 DQ16
85 DQ17
87 DQ18
89 DQ19
91 VSS
93 DQ20
62 CKE0
64 VCC
66 CAS#
68 NC
70 NC
72 NC
74 CK1
76 VSS
78 NC
80 NC
82 VCC
84 DQ48
86 DQ49
88 DQ50
90 DQ51
92 VSS
94 DQ52
Pin Front
Pin Back
95 DQ21
96 DQ53
97 DQ22
98 DQ54
99 DQ23 100 DQ55
101 VCC
102 VCC
103 A6
104 A7
105 A8
106 BA0
107 VSS
108 VSS
109 A9
110 BA1
111 A10/AP 112 A11
113 VCC 114 VCC
115 DQM2 116 DQM6
117 DQM3 118 DQM7
119 VSS 120 VSS
121 DQ24 122 DQ56
123 DQ25 124 DQ57
125 DQ26 126 DQ58
127 DQ27 128 DQ59
129 VCC
130 VCC
131 DQ28 132 DQ60
133 DQ29 134 DQ61
135 DQ30 136 DQ62
137 DQ31 138 DQ63
139 VSS
140 VSS
141 **SDA 142 **SCL
143 VCC
144 VCC
PIN NAMES
A0 – A11 Address input (Multiplexed)
BA0-1
Select Bank
DQ0-63
Data Input/Output
CLK0,CK1 Clock input
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 should be NC in the system which
does not support SPD.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

1 page




W3DG647V-D1 pdf
White Electronic Designs
Part Number
W3DG647V10D1
W3DG647V7D1
W3DG647V75D1
Speed
100MHz
133MHz
133MHz
CAS Latency
CL=2
CL=2
CL=3
Note: For industrial temperature range product, add an "I" to the end of the part number.
www.DataSheePtA4UCK.cAoGmE DIMENSIONS
W3DG647V-D1
ALL DIMENSIONS ARE IN INCHES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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