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WS1M32-20HSC Datasheet

  • WS1M32-20HSC

  • 1Mx32 SRAM MODULE

  • 8頁(yè)

  • ETC

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White Electronic Designs
1Mx32 SRAM MODULE
FEATURES
鈻?/div>
Access Times of 17, 20, 25ns
鈻?/div>
Packaging
聲 84 lead, 28mm CQFP, (Package 511)
聲 66 pin PGA Type, 1.385" sq., Hermetic Ce-
ramic HIP
(Package 402)*
鈻?/div>
Organized as two banks of 512Kx32, User
Configurable as 2Mx16 or 4Mx8
* Package to be developed.
WS1M32-XXX
鈻?/div>
Commercial, Industrial and Military Temperature
Ranges
鈻?/div>
TTL Compatible Inputs and Outputs
鈻?/div>
5 Volt Power Supply
鈻?/div>
Low Power CMOS
鈻?/div>
Built-in Decoupling Caps and Multiple Ground
Pins for Low Noise Operation
鈻?/div>
Weight
WS1M32-XH2X* - 13 grams (typical)
WS1M32-XG3X - 20 grams (typical)
PIN CONFIGURATION FOR WS1M32-XH2X*
TOP VIEW
1
I/O
8
I/O
9
I/O
10
A
13
A
14
A
15
A
16
A
17
I/O
0
I/O
1
I/O
2
11
22
12
WE
2
OE
2
GND
I/O
11
A
10
A
11
A
12
V
CC
CS
1
NC
I/O
3
33
23
I/O
15
I/O
14
I/O
13
I/O
12
OE
1
A
18
WE
1
I/O
7
I/O
6
I/O
5
I/O
4
I/O
24
I/O
25
I/O
26
A
6
A
7
CS
2
A
8
A
9
I/O
16
I/O
17
I/O
18
44
34
V
CC
OE
4
WE
4
I/O
27
A
3
A
4
A
5
WE
3
OE
3
GND
I/O
19
55
45
I/O
31
I/O
30
I/O
29
I/O
28
A
0
A
1
A
2
I/O
23
OE
1
W E
1
PIN DESCRIPTION
56
I/O
0
-
31
A
0-18
WE
1-4
CS
1-2
OE
1-4
V
C
C
GND
N
C
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
BLOCK DIAGRAM
OE
2
W E
2
OE
3
W E
3
OE
4
W E
4
I/O
22
I/O
21
I/O
20
66
2M
8
512K x
x 8
512K x 8
CS
1
A
0-18
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
8
8
8
8
CS
2
I/O
0-7
I/O
8-15
I/O
16-23
I/O
24-31
NOTE: CS
1
& CS
2
are used as bank select
July 2002 Rev. 4
1
White Electronic Designs Corporation 聲 (602) 437-1520 聲 www.whiteedc.com

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