W3DG7216V-D2
White Electronic Designs
64MB- 8Mx72 SDRAM W/ PLL, REGISTER AND SPD
FEATURES
DESCRIPTION
The W3DG7216V is a 16Mx72 synchronous DRAM
module which consists of nine 16Mx8 SDRAM components
in TSOP II package, two 18 bit Drive ICs for input control
signal and one 2Kb EEPROM in an 8 pin TSSOP package
for Serial Presence Detect which are mounted on a 168
pin DIMM multilayer FR4 Substrate.
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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
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Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
3.3V 0.3V Power Supply
* This product is subject to change without notice.
168 Pin DIMM JEDEC
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN NAMES
PIN FRONT PIN
BACK
DQM1
CS0#
DNU
VSS
A0
A2
A4
A6
PIN FRONT PIN
BACK
VSS
DQ32
DQ33
DQ34
DQ35
VCC
DQ36
DQ37
DQ38
DQ39
DQ40
VSS
DQ41
DQ42
DQ43
DQ44
DQ45
VCC
DQ46
DQ47
CB4
CB5
VSS
NC
NC
VCC
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#
VSS
A1
A3
A5
A7
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
VCC
DQ52
NC
*VREF
REGE
VSS
DQ53
DQ54
DQ55
VSS
DQ56
DQ57
DQ58
DQ59
VCC
DQ60
DQ61
DQ62
DQ63
VSS
*CK3
NC
**SA0
**SA1
*SA2
VCC
A0 – A11
BA0-1
DQ0-63
CB0-7
CK0
Address Input (Multiplexed)
Select Bank
Data Input/Output
Check Bit (Data-In/Data-Out)
Clock Input
1
VSS
DQ0
DQ1
DQ2
DQ3
VCC
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
DQ18
DQ19
VCC
DQ20
NC
*VREF
*CKE1
VSS
DQ21
DQ22
DQ23
VSS
DQ24
DQ25
DQ26
DQ27
VCC
DQ28
DQ29
DQ30
DQ31
VSS
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
2
3
4
5
CKE0
Clock Enable Input
6
CS0#, CS2# Chip Select Input
7
8
9
DQ4
DQ5
DQ6
DQ7
DQ8
VSS
DQ9
DQ10
DQ11
DQ12
DQ13
VCC
DQ14
DQ15
CB0
CB1
VSS
RAS#
CAS#
WE#
DQM0-7
VCC
Row Address Strobe
Column Address Strobe
Write Enable
DQM
Power Supply (3.3V)
Ground
Power Supply for Reference
Register Enable
Serial Data I/O
Serial Clock
Address in EEPROM
Do Not Use
A8
A9
BA0
A11
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A10/AP
BA1
VCC
VCC
CK0
VSS
DNU
CS2#
DQM2
DQM3
DNU
VCC
VCC
*CK1
*A12
VSS
CKE0
*CS3#
DQM6
DQM7
*A13
VCC
VSS
*VREF
REGE
SDA
SCL
SA0-2
DNU
NC
No Connect
NC
NC
NC
NC
*
These pins are not used in this module.
*CK2
NC
NC
**SDA
**SCL
VCC
** These pins should be NC in the system which does
NC
NC
VCC
WE#
DQM0
CB2
CB3
VSS
DQ16
DQ17
CB6
CB7
VSS
DQ48
DQ49
not support SPD.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
September, 2002
Rev. 0
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com