W3DG7266V-D1
White Electronic Designs
PRELIMINARY*
512MB- 64Mx72 SDRAM, UNBUFFERED, w/PLL
FEATURES
DESCRIPTION
The W3DG7266V is a 64Mx72 synchronous DRAM
module which consists of nine 64Mx8 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.
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PC100 and PC133
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
144 Pin SO-DIMM JEDEC
* This product is under development, is not qualified or characterized and is subject to
change without notice.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PINOUT
PIN NAMES
Address Input (Multiplexed)
Select Bank
A0 – A12
BA0-1
DQ0-63
PIN
FRONT
VSS
PIN
2
BACK
VSS
PIN FRONT PIN BACK PIN FRONT PIN BACK
Data Input/Output
CLK0, CLK1 Clock Input
1
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
DQ45 97 DQ22
98
DQ54
3
DQ0
DQ1
DQ2
DQ3
VCC
4
DQ32
DQ33
DQ34
DQ35
VCC
DQ46 99 DQ23 100 DQ55
CB0-7
CKE0
CS0#
RAS#
CAS#
WE#
DQM0-7
VCC
VSS
SDA
SCL
DNU
NC
Check Bit (Data-In/Data-Out)
5
6
DQ47 101
VSS 103
VCC
A6
102
104
106
108
110
112
114
VCC
A7
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
7
8
9
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
CB0
CB4 105
CB5 107
CKE0 109
A8
BA0
VSS
BA1
A11
VCC
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
CB1
VSS
A9
DQ4
DQ5
DQ6
DQ7
VSS
DQ36
DQ37
DQ38
DQ39
VSS
CLK0
VCC
VCC
111
A10
VCC
RAS#
WE#
SO#
S1#*
NC
CAS# 113
CKE1* 115 DQMB2 116 DQMB6
A12* 117 DQMB3 118 DQMB7
DQMB0
DQMB1
VCC
DQMB4
DQMB5
VCC
NC
CLK1 121 DQ24 122 DQ56
VSS 123 DQ25 124 DQ57
119
VSS
120
VSS
Do Not Use
No Connect
VSS
* These pins are not used in this module
** These pins should be NC in the system which does
not support SPD.
A0
A3
CB2
CB6 125 DQ26 126 DQ58
CB7 127 DQ27 128 DQ59
A1
A4
CB3
A2
A5
VCC
VCC 129
VCC
130
VCC
VSS
VSS
DQ16
DQ17
DQ18
DQ19
VSS
DQ48 131 DQ28 132 DQ60
DQ49 133 DQ29 134 DQ61
DQ50 135 DQ30 136 DQ62
DQ51 137 DQ31 138 DQ63
DQ8
DQ9
DQ10
DQ11
VCC
DQ40
DQ41
DQ42
DQ43
VCC
VSS
DQ52 141 SDA
DQ53 143 VCC
139
VSS
140
142
144
VSS
SCL
VCC
DQ20
DQ21
DQ12
DQ44
June 2004
Rev. 0
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com