WS128K48V-XG4WX
128Kx48 3.3V SRAM MODULE
FEATURES
s
Access Times 15, 17, 20, 25ns
s
Packaging
鈥?116 Lead, 40.0mm Hermetic CQFP (Package 504)
s
Commercial, Industrial and Military Temperature Ranges
s
3.3 Volt Power Supply
s
Low Power CMOS
s
Organized as 128K x 48, Data Width is user configurable.
PIN CONFIGURATION FOR WS128K48V-XG4WX
BLOCK DIAGRAM
WE
1
CS
1
WE
2
CS
2
WE
x
CS
x
WE
6
CS
6
ADVANCED*
s
2V Data Retention Devices Available
(Low Power Version)
s
TTL Compatible Inputs and Outputs
s
Weight
WS128K48V-XG4WX - 20 grams typical
* This data sheet describes a product that may or may not be under
development and is subject to change or cancellation without notice.
TOP VIEW
I/O
2
I/O
1
I/O
0
V
CC
WE
2
CS
2
NC
A
0
A
1
A
2
A
3
A
4
WE
1
CS
1
NC
NC
NC
A
5
A
6
A
7
A
8
A
9
NC
NC
NC
V
CC
NC
NC
NC
OE
A
0-16
1
128K x 8
2
128K x 8
.....
8
6
128K x 8
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
116
115
114
113
112
111
110
109
108
107
106
105
104
103
8
8
8
September 1998
I/O
29
I/O
30
I/O
31
V
CC
WE
3
CS
3
NC
NC
NC
NC
A
16
A
15
WE
4
CS
4
OE
CS
5
WE
5
A
14
A
13
A
12
A
11
A
10
NC
CS
6
WE
6
V
CC
I/O
32
I/O
33
I/O
34
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
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
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
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
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
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
NC
NC
NC
GND
I/O
47
I/O
46
I/O
45
I/O
44
I/O
43
I/O
42
I/O
41
I/O
40
GND
I/O
39
I/O
38
I/O
37
I/O
36
I/O
35
I/O
0-7
I/O
8-15
I/O...
I/O
40-47
PIN DESCRIPTION
I/O
0-47
A
0-16
WE
1-6
CS
1-6
OE
V
CC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
1
White Microelectronics 鈥?Phoenix, AZ 鈥?(602) 437-1520
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