W3DG6463V-D2
White Electronic Designs
PRELIMINARY*
512MB – 2x32Mx64 SDRAM UNBUFFERED
FEATURES
DESCRIPTION
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Burst Mode Operation
The W3DG6463V is a 2x32Mx64 synchronous DRAM
module which consists of sixteen 32Mx8 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.
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
* This product is under development, is not qualified or characterized and is subject to
change without notice.
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Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
Available in WP (Write Protect) option as:
• W3DG6363V-D2
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3.3V 0.3V Power Supply
Dual Rank
168 pin DIMM JEDEC
NOTE: Consult factory for availability of:
• RoHS compliant products
• Vendor source control options
• Industrial temperature option
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN NAMES
Pin
1
2
3
4
5
6
7
8
Front
VSS
Pin
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
Front
DQM1
CS0#
DNU
VSS
Pin
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
Front
DQ18
DQ19
VCC
Pin
85
Back
VSS
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
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
A0 – A11
BA0-1
DQ0-63
CK0-CK3
CKE0,CKE1
CS0#-CS3#
RAS#
CAS#
WE#
DQM0-7#
VCC
VSS
Address input (Multiplexed)
Select Bank
DQ50
DQ51
VCC
DQ52
NC
*VREF
DNU
VSS
DQ53
DQ54
DQ55
VSS
DQ56
DQ57
DQ58
DQ59
VCC
DQ60
DQ61
DQ62
DQ63
VSS
DQ0
DQ1
DQ2
DQ3
VCC
DQ4
DQ5
DQ6
DQ7
DQ8
VSS
DQ9
DQ10
DQ11
DQ12
DQ13
VCC
DQ14
DQ15
*CB0
*CB1
VSS
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
DQ32
DQ33
DQ34
DQ35
VCC
DQ36
DQ37
DQ38
DQ39
DQ40
VSS
DQ41
DQ42
DQ43
DQ44
DQ45
VCC
DQ46
DQ47
*CB4
*CB5
VSS
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
Write Protect
DQ20
NC
*VREF
CKE1
VSS
DQ21
DQ22
DQ23
VSS
DQ24
DQ25
DQ26
DQ27
VCC
DQ28
DQ29
DQ30
DQ31
VSS
CK2
NC
WP***
**SDA
**SCL
VDD
A0
A2
A4
A6
A1
A3
A5
A7
A9
BA0
A11
9
A8
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
SDA
SCL
DNU
NC
WP
*
These pins are not used in this module.
NC
NC
NC
NC
** These pins should be NC in the system which does not
support SPD.
CK3
NC
NC
VCC
WE#
DQM0
*CB2
*CB3
VSS
DQ16
DQ17
NC
NC
VCC
CAS#
DQM4
*CB6
*CB7
VSS
DQ48
DQ49
NC
*** WP available on the WED3DG6363V-D2 only.
**SA0
**SA1
**SA2
VCC
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 2
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com