White Electronic Designs
1Mx32 SRAM 3.3V MODULE
FEATURES
Access Times of 17, 20, 25ns
84 lead, 28mm CQFP, (Package 511)
Organized as two banks of 512Kx32, User
Configurable as 2Mx16 or 4Mx8
Commercial, Industrial and Military Temperature
Ranges
TTL Compatible Inputs and Outputs
3.3V Power Supply
Low Power CMOS
WS1M32V-XG3X
PRELIMINARY*
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight - WS1M32V-XG3X - 20 grams typical
*This product is under development, is not qualified or characterized and is subject to
change without notice.
PIN CONFIGURATION FOR WS1M32V-XG3X
TOP VIEW
GND
I/O
31
I/O
30
I/O
29
I/O
28
I/O
27
I/O
26
I/O
25
I/O
24
NC
NC
NC
I/O
23
I/O
22
I/O
21
I/O
20
I/O
19
I/O
18
I/O
17
I/O
16
V
CC
PIN DESCRIPTION
I/O0-31
A0-18
WE#1-4
CS#1-2
OE#1-4
V
CC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enables
+3.3V Power Supply
Ground
Not Connected
11
10
9
8 7 6 5 4 3 2 1 84 83 82 81 80 79 78 77 76 75
V
CC
A
0
A
1
A
2
A
3
A
4
A
5
A
6
OE#
1
OE#
2
OE#
3
OE#
4
NC
A
7
A
8
A
9
A
10
A
11
A
12
A
13
GND
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
GND
NC
NC
NC
NC
NC
NC
NC
NC
WE#
4
WE#
3
WE#
2
WE#
1
NC
NC
A
18
A
17
A
16
A
15
A
14
V
CC
BLOCK DIAGRAM
OE#1 WE#1
OE#2 WE#2
OE#3 WE#3
OE#4 WE#4
CS#1
A0-18
2M
8
512K x
x 8
512K x 8
2M
8
512K x
x 8
512K x 8
2M
8
512K x
x 8
2M
512K
x 8
512K x 8
512K x 8
V
CC
I/O
0
I/O
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
CS#
1
NC
CS#
2
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
GND
8
CS#2
I/O0-7
8
8
8
I/O8-15
I/O16-23
I/O24-31
Note: CS#1& CS#2 are used as bank select
The WEDC 84 lead G3 CQFP fills the same fit and function as the JEDEC 84 lead
CQFJ or 84 PLCC. But the G3 has the TCE and lead inspection advantage of the
CQFP form.
1.146"
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
