WS512K48-XG4WX
HI-RELIABILITY PRODUCT
512Kx48 SRAM MODULE ADVANCED*
FEATURES
■ Access Times 17, 20, 25, 35ns
■ 2V Data Retention Devices Available
(WS512K48L-XXX Low Power Version)
■ Packaging:
■ TTL Compatible Inputs and Outputs
• 116 Lead, 40.0mm Hermetic CQFP (Package 504)
■ Built-in Decoupling Caps and Multiple Ground Pins for Low
■ Commercial, Industrial and Military Temperature Ranges
■ 5 Volt Power Supply
Noise Operation
■ Weight
■ Low Power CMOS
WS512K48-XG4WX - 20 grams typical
■ Organized as 512K x 48, Data Width is user configurable.
*
This data sheet describes a product that may or may not be under
development and is subject to change or cancellation without notice.
PIN CONFIGURATION FOR WS512K48-XG4WX
TOP VIEW
BLOCK DIAGRAM
WE CS
1
WE
WE CS
WE CS
6
6
CS
2
x
1
2
x
OE
0-18
A
6
1
2
.....
512K x 8
512K x 8
512K x 8
8
8
8
8
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
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
I/O
I/O
I/O
I/O
I/O
3
4
5
6
7
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
I/O...
I/O40-47
I/O0-7
I/O8-15
GND
I/O
I/O
8
9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
GND
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
PIN DESCRIPTION
NC
NC
NC
I/O0-47 Data Inputs/Outputs
GND
I/O47
I/O46
I/O45
I/O44
I/O43
I/O42
I/O41
I/O40
GND
I/O39
I/O38
I/O37
I/O36
I/O35
A0-18
WE1-6
CS1-6
OE
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
VCC
GND
NC
Not Connected
October 2000 Rev. 2
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com