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WED3EG6417S-D4 Datasheet Preview

WED3EG6417S-D4 Datasheet

128MB - 16Mx64 DDR SDRAM UNBUFFERED

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Whitewww.datasheet4u.com Electronic Designs
WED3EG6417S-D4
*ADVANCED
128MB - 16Mx64 DDR SDRAM UNBUFFERED
FEATURES
DESCRIPTION
n Double-data-rate architecture
n Bi-directional data strobes (DQS)
n Differential clock inputs (CK & CK#)
n Programmable Read Latency 2,2.5 (clock)
n Programmable Burst Length (2,4,8)
n Programmable Burst type (sequential & interleave)
n Edge aligned data output, center aligned data
input
n Auto and self refresh
n Serial presence detect
n JEDEC standard 200 pin SO-DIMM package
n Power supply: 2.5V ± 0.25V
The WED3DG6417S is a 16Mx64 Double Data Rate
SDRAM memory module based on 128Mb DDR SDRAM
component. The module consists of eight 16Mx8 DDR
SDRAMs in 66 pin TSOP package mounted on a 200
pin FR4 Substrate.
Synchronous design allows precise cycle control with
the use of system clock. Data I/O transactions are
possible on both edges and Burst Lenths allow the same
device to be useful for a variety of high bandwidth, high
performance memory system applications.
* This datasheet describes a product that may or may not be under development
and is subject to change or cancellation without notice.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2002
Rev. # 0
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com




White Electronic Designs

WED3EG6417S-D4 Datasheet Preview

WED3EG6417S-D4 Datasheet

128MB - 16Mx64 DDR SDRAM UNBUFFERED

No Preview Available !

Whitewww.datasheet4u.com Electronic Designs
WED3EG6417S-D4
*ADVANCED
PIN CONFIGURATIONS
PIN NAMES
Pin# Symbol Pin#
1 VREF 51
2 VREF 52
3 VSS 53
4 VSS 54
5 DQ0 55
6 DQ4 56
7 DQ1 57
8 DQ5 58
9 VCC 59
10 VCC 60
11 DQS0 61
12 DQM0 62
13 DQ2 63
14 DQ6 64
15 VSS 65
16 VSS 66
17 DQ3 67
18 DQ7 68
19 DQ8 69
20 DQ12 70
21 VCC 71
22 VCC 72
23 DQ9 73
24 DQ13 74
25 DQS1 75
26 DQM1 76
27 VSS 77
28 VSS 78
29 DQ10 79
30 DQ14 80
31 DQ11 81
32 DQ15 82
33 VCC 83
34 VCC 84
35 CK0 85
36 VCC 86
37 CK0# 87
38 VSS 88
39 VSS 89
40 VSS 90
41 DQ16 91
42 DQ20 92
43 DQ17 93
44 DQ21 94
45 VCC 95
46 VCC 96
47 DQS2 97
48 DQM2 98
49 DQ18 99
50 DQ22 100
Symbol
VSS
VSS
DQ19
DQ23
DQ24
DQ28
VCC
VCC
DQ25
DQ29
DQS3
DQM3
VSS
VSS
DQ26
DQ30
DQ27
DQ31
VCC
VCC
NC
NC
NC
NC
VSS
VSS
DQS8
NC
NC
NC
VCC
VCC
NC
NC
NC
NC
VSS
VSS
CK2*
VSS
CK2*#
VCC
VCC
VCC
CKE1*
CKE0
A13
NC
A12*
A11
Pin# Symbol Pin# Symbol
101 A9 151 DQ42
102 A8 152 DQ46
103 VSS 153 DQ43
104 VSS 154 DQ47
105 A7 155 VCC
106 A6 156 VCC
107 A5 157 VCC
108 A4 158 CK1#
109 A3 159 VSS
110 A2 160 CK1
111 A1 161 VSS
112 A0 162 VSS
113 VCC 163 DQ48
114 VCC 164 DQ52
115 A10/AP 165 DQ49
116 BA1 166 DQ53
117 BA0 167 VCC
118 RAS# 168
VCC
119 WE# 169 DQS6
120 CAS# 170 DQM6
121 CSO 171 DQ50
122 CS1 172 DQ54
123 NC 173 VSS
124 NC 174 VSS
125 VSS 175 DQ51
126 VSS 176 DQ55
127 DQ32 177 DQ56
128 DQ36 178 DQ60
129 DQ33 179
VCC
130 DQ37 180
VCC
131 VCC 181 DQ57
132 VCC 182 DQ61
133 DQS4 183 DQS7
134 DQM4 184 DQM7
135 DQ34 185
VSS
136 DQ38 186
VSS
137 VSS 187 DQ58
138 VSS 188 DQ62
139 DQ35 189 DQ59
140 DQ39 190 DQ63
141 DQ40 191
VCC
142 DQ44 192
VCC
143 VCC 193 SDA
144 VCC 194 SA0
145 DQ41 195 SCL
146 DQ45 196 SA1
147 DQS5 197 VCCSPD
148 DQM5 198 SA2
149 VSS 199 VCCID
150 VSS 200 NC
A0 – A11
BA0-BA1
DQ0-DQ63
DQS0-DQS8
CK0,CK1
CK0#, CK1#
CKE0
CS0#
RAS#
CAS#
WE#
DQM0-DQM7
VCC
VCCQ
VSS
VREF
VCCSPD
SDA
SCL
SA0-SA2
VCCID
NC
Address input (Multiplexed)
Bank Select Address
Data Input/Output
Data Strobe Input/Output
Clock Input
Clock Input
Clock Enable Input
Chip select Input
Row Address Strobe
Column Address Strobe
Write Enable
Data-In Mask
Power Supply (2.5V)
Power Supply for DQS (2.5V)
Ground
Power Supply for Reference
Serial EEPROM Power Supply
(2.3V to 3.6V)
Serial data I/O
Serial clock
Address in EEPROM
VCC Identification Flag
No Connect
* Not Used
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2002
Rev. # 0
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com


Part Number WED3EG6417S-D4
Description 128MB - 16Mx64 DDR SDRAM UNBUFFERED
Maker White Electronic Designs
Total Page 7 Pages
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