參數(shù)資料
型號: WS128K32V-35
英文描述: 128Kx32 3.3V SRAM Module(128Kx32 ,3.3V,靜態(tài)RAM模塊(存取時間35ns))
中文描述: 128Kx32 3.3靜態(tài)存儲器模塊(128Kx32,3.3伏,靜態(tài)內(nèi)存模塊(存取時間為35ns))
文件頁數(shù): 1/8頁
文件大小: 95K
代理商: WS128K32V-35
White Microelectronics Phoenix, AZ (602) 437-1520
4
S
1
WS128K32V-XXX
128Kx32 3.3V SRAM MODULE
PRELIMINARY*
I
3.3 Volt Power Supply
I
Low Power CMOS
I
TTL Compatible Inputs and Outputs
I
Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
I
Weight
WS128K32V-XG2TX - 8 grams typical
WS128K32V-XH1X - 13 grams typical
*
Ths data sheet describes a product under development, not fuly
characterized andis subect to change without notice.
** Commercial andIndustrial ony.
FEATURES
I
Access Times of 15** 17, 20, 25, 35ns
I
MIL-STD-883 Compliant Devices Available
I
Low Voltage Operation
I
Packaging
66-pin, PGA Type, 1.075 inch square Hermetic Ceramc
HIP (Package 400)
68 lead, Hermetic CQFP (G2T), 22.4mm(0.880 inch) square
(Package 509), 4.57mm(0.180 inch) high. Designed to fit
JEDEC 68 lead 0.990" CQFJ footprint (Fig. 2)
I
Organized as 128Kx32; User Configurable as 256Kx16 or
512Kx8
I
Commercial, Industrial and Military Temperature Ranges
FIG. 1
PIN CONFIGURATION FOR WS128K32NV-XH1X
TOP VIEW
PIN DESCRIPTION
I/O
0-31
Data Inputs/Outputs
A
0-16
Address Inputs
WE
1-4
Write Enables
CS
1-4
Chip Selects
OE
Output Enable
V
CC
Power Supply
GND
Ground
NC
Not Connected
I/O
8
I/O
9
I/O
10
A
13
A
14
A
15
A
16
NC
I/O
0
I/O
1
I/O
2
WE
2
CS
2
GND
I/O
11
A
10
A
11
A
12
V
CC
CS
1
NC
I/O
3
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
6
A
7
NC
A
8
A
9
I/O
16
I/O
17
I/O
18
V
CC
CS
4
WE
4
I/O
27
A
3
A
4
A
5
WE
3
CS
3
GND
I/O
19
I/O
31
I/O
30
I/O
29
I/O
28
A
0
A
1
A
2
I/O
23
I/O
22
I/O
21
I/O
20
11 22 33 44 55 66
1 12 23 34 45 56
BLOCK DIAGRAM
128K x 8
8
I/O
0-7
CS
1
1
128K x 8
8
I/O
8-15
2
128K x 8
8
I/O
16-23
3
128K x 8
8
I/O
24-31
4
A
0-16
OE
WE
CS
2
WE
CS
3
WE
CS
4
WE
March 1998
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