White Electronic Designs
128MB- 16Mx64 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
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 6 0.3v Power Supply
168 pin DIMM JEDEC
W3DG6416V-D2
DESCRIPTION
The W3DG6416V is a 16Mx64 synchronous DRAM
module which consists of eight 8Mx16 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 168 pin DIMM multilayer FR4
Substrate.
PIN CONFIGURATIONs (FRONT SIDE/BACK SIDE)
PIN FRONT PIN
1
V
SS
29
2
DQ0
30
3
DQ1
31
4
DQ2
32
5
DQ3
33
34
6
V
CC
7
DQ4
35
8
DQ5
36
9
DQ6
37
10
DQ7
38
11
DQ8
39
40
12
V
SS
13
DQ9
41
14 DQ10
42
15
DQ11
43
16 DQ12
44
17 DQ13
45
18
V
CC
46
19 DQ14
47
20 DQ15
48
21
NC
49
22
NC
50
23
V
SS
51
24
NC
52
25
NC
53
54
26
V
CC
27
WE#
55
28 DQM0 56
FRONT
DQM1
CS0
DNU
V
SS
A0
A2
A4
A6
A8
A10/AP
BA1
V
CC
V
CC
CK0
V
SS
DNU
CS2
DQM2
DQM3
DNU
V
CC
NC
NC
NC
NC
V
SS
DQ16
DQ17
PIN FRONT PIN
57 DQ18 85
58 DQ19 86
87
59
V
CC
60 DQ20 88
61
NC
89
62
NC
90
63 CKE1 91
92
64
V
SS
65 DQ21 93
66 DQ22 94
67 DQ23 95
68
V
SS
96
69 DQ24 97
70 DQ25 98
71 DQ26 99
72 DQ27 100
101
73
V
CC
74 DQ28 102
75 DQ29 103
76 DQ30 104
77 DQ31 105
78
V
SS
106
79
CK2 107
80
NC
108
81
*WP 109
82 **SDA 110
83 **SCL 111
112
84
V
CC
BACK
V
SS
DQ32
DQ33
DQ34
DQ35
V
CC
DQ36
DQ37
DQ38
DQ39
DQ40
V
SS
DQ41
DQ42
DQ43
DQ44
DQ45
V
CC
DQ46
DQ47
NC
NC
V
SS
NC
NC
V
CC
CAS#
DQM4
PIN
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
BACK
DQM5
CS1
RAS#
V
SS
A1
A3
A5
A7
A9
BA0
A11
V
CC
NC
NC
V
SS
CKE0
CS3
DQM6
DQM7
NC
V
CC
NC
NC
NC
NC
V
SS
DQ48
DQ49
PIN
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
BACK
DQ50
DQ51
V
CC
DQ52
NC
NC
DNU
V
SS
DQ53
DQ54
DQ55
V
SS
DQ56
DQ57
DQ58
DQ59
V
CC
DQ60
DQ61
DQ62
DQ63
V
SS
NC
NC
**SA0
**SA1
**SA2
V
CC
A0 鈥?A11
BA0-1
DQ0-63
CK0,CK2
CKE0,CKE1
CS0-CS3
RAS#
CAS#
WE#
DQM0-7
V
CC
V
SS
SDA
SCL
DNU
NC
PIN NAMES
Address input (Multiplexed)
Select Bank
Data Input/Output
Clock input
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
* WP (write protect) option is available on
pin 81, see ordering information on page 5.
** These pins should be NC in the system which
does not support SPD.
White Electronic Designs Corp. reserves the right to change products or speci鏗乧ations without notice.
June 2003
Rev. 1
1
White Electronic Designs Corporation 鈥?(602) 437-1520 鈥?www.wedc.com
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