W3DG7216V-D1
-JD1
White Electronic Designs
PRELIMINARY*
128MB - 16Mx72 SDRAM, UNBUFFERED
FEATURES
DESCRIPTION
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PC100 and PC133 compatible
The W3DG7216V is a 16Mx72 synchronous DRAM
module which consists of nine 16Meg x 8 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.
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
* This product is under development, is not qualified or characterized
and is subject to change without notice.
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3.3V 0.3V Power Supply
144 Pin SO-DIMM JEDEC
• Package height options:
JD1: 31.75 (1.25”)
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PINOUT
PIN NAMES
Address Input (Multiplexed)
Select Bank
Data Input/Output
Clock Input
Check Bit (Data-In/Data-Out)
Clock Enable Input
Chip Select Input
Row Address Strobe
Column Address Strobe
#Write Enable
DQM
Power Supply (3.3V)
Ground
A0 – A12
BA0-BA1
DQ0-63
CLK0
CB0-7
CKE0
CS0#
RAS#
CAS#
WE#
DQM0-7
VCC
VSS
SDA
SCL
PIN FRONT PIN
BACK
VSS
PIN FRONT PIN
BACK
DQ45
DQ46
DQ47
VSS
PIN FRONT PIN
BACK
DQ54
DQ55
VCC
1
3
5
7
9
VSS
DQ0
DQ1
DQ2
DQ3
VCC
2
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
DQ13
DQ14
DQ15
VSS
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
97
DQ22
DQ23
VCC
A6
98
4
DQ32
DQ33
DQ34
DQ35
VCC
99
100
102
104
106
108
110
112
114
6
101
103
105
107
109
111
113
8
A7
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
CB0
CB4
A8
BA0
VSS
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
CB1
CB5
VSS
A9
DQ4
DQ5
DQ6
DQ7
VSS
DQ36
DQ37
DQ38
DQ39
VSS
CLK0
VCC
CKE0
VCC
BA1
A11
A10
VCC
RAS#
WE#
SO#
S1#
CAS#
CKE1
A12
VCC
115 DQMB2 116 DQMB6
117 DQMB3 118 DQMB7
DQMB0
DQMB1
VCC
DQMB4
DQMB5
VCC
NC
119
121
123
125
127
129
131
133
135
137
139
141
143
VSS
DQ24
DQ25
DQ26
DQ27
VCC
120
122
124
126
128
130
132
134
136
138
140
142
144
VSS
DQ56
DQ57
DQ58
DQ59
VCC
Serial Data I/O
Serial Clock
Do Not Use
NC
NC
VSS
VSS
DNU
NC
A0
A3
CB2
CB6
No Connect
A1
A4
CB3
CB7
A2
A5
VCC
VCC
VSS
VSS
DQ16
DQ17
DQ18
DQ19
VSS
DQ48
DQ49
DQ50
DQ51
VSS
DQ28
DQ29
DQ30
DQ31
VSS
DQ60
DQ61
DQ62
DQ63
VSS
DQ8
DQ9
DQ10
DQ11
VCC
DQ40
DQ41
DQ42
DQ43
VCC
DQ20
DQ21
DQ52
DQ53
SDA
SCL
DQ12
DQ44
VCC
VCC
June 2004
Rev 2
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com