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WS128K32N-70G2UIA Datasheet

  • WS128K32N-70G2UIA

  • 128Kx32 SRAM MODULE, SMD 5962-93187

  • 9頁

  • WEDC

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White Electronic Designs
128Kx32 SRAM MODULE, SMD 5962-93187
FEATURES
Access Times of 70, 85, 100, 120ns
MIL-STD-883 Compliant Devices Available
Packaging
鈥?66-pin, PGA Type, 1.075 inch square, Hermetic
Ceramic HIP (Package 400).
鈥?68 lead, 40mm Low Pro鏗乴e CQFP, 3.56mm
(0.140")(Package 502).
鈥?68 lead, Hermetic CQFP (G2U), 22.4mm
(0.880 inch) square, 4.57mm (0.140 inch) high,
(Package 510)
Organized as 128Kx32; User Con鏗乬urable as
256Kx16 or 512Kx8
Commercial, Industrial and Military Temperature
Ranges
5 Volt Power Supply
Low Power CMOS
WS128K32-XXX
TTL Compatible Inputs and Outputs
Built in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight
WS128K32-XG2UX - 8 grams typical
WS128K32-XH1X - 13 grams typical
WS128K32-XG4TX - 20 grams typical
Upgradeable to 512Kx32
FIGURE 1 鈥?PIN CONFIGURATION FOR WS128K32N-XH1X
Top View
1
I/O
8
I/O
9
I/O
10
A
14
A
16
A
11
A
0
NC
I/O
0
I/O
1
I/O
2
11
22
12
WE
2
#
CS
2
#
GND
I/O
11
A
10
A
9
A
15
V
CC
CS
1
#
NC
I/O
3
33
23
I/O
15
I/O
14
I/O
13
I/O
12
OE#
NC
WE
1
#
I/O
7
I/O
6
I/O
5
I/O
4
I/O
24
I/O
25
I/O
26
A
7
A
12
NC
A
13
A
8
I/O
16
I/O
17
I/O
18
44
34
V
CC
CS
4
#
WE
4
#
I/O
27
A
4
A
5
A
6
WE
3
#
CS
3
#
GND
I/O
19
55
45
I/O
31
I/O
30
I/O
29
I/O
28
A
1
A
2
A
3
I/O
23
I/O
22
I/O
21
8
OE#
A
0-16
Pin Description
56
I/O
0-31
A
0-16
WE
1-4
#
CS
1-4
#
OE#
V
CC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Block Diagram
WE
1
# CS
1
#
WE
2
# CS
2
#
WE
3
# CS
3
#
WE
4
# CS
4
#
128K x 8
128K x 8
128K x 8
128K x 8
8
8
8
I/O
20
66
I/O
0-7
I/O
8-15
I/O
16-23
I/O
24-31
June 2004
Rev. 4
1
White Electronic Designs Corporation 鈥?(602) 437-1520 鈥?www.wedc.com

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