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WED8LM32129C-15EITA

更新时间: 2024-11-21 20:10:07
品牌 Logo 应用领域
WEDC 静态存储器内存集成电路
页数 文件大小 规格书
6页 154K
描述
SRAM Module, 128KX32, 15ns, CMOS, CQFP68, 23.88 MM, 3.56 MM HEIGHT, CERAMIC, QFP-68

WED8LM32129C-15EITA 数据手册

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WED8LM32129C  
HI-RELIABILITY PRODUCT  
128Kx32 SRAM MODULE PRELIMINARY*  
FEATURES  
Access Times of 15, 17, 20, 25, 35, 45, 55ns  
Low Power CMOS  
Packaging  
TTL Compatible Inputs and Outputs  
Built in Decoupling Caps and Multiple Ground Pins for Low  
• 68 lead, 23.88mm Low Profile CQFP, 3.56mm (0.140")  
Noise Operation  
Organized as 128Kx32; User Configurable as 256Kx16 or  
Device is upgradeable to 512Kx32  
512Kx8  
Commercial, Industrial and Military Temperature Ranges  
5 Volt Power Supply  
* This data sheet describes a product under development, not fully  
characterized, and is subject to change without notice.  
FIG. 1 PIN CONFIGURATION FOR WED8LM32129C-E  
TOP VIEW  
PIN DESCRIPTION  
I/O0-31  
A0-16  
WE1-4  
CS1-4  
OE  
Data Inputs/Outputs  
Address Inputs  
Write Enables  
Chip Selects  
9
8
7
6
5
4
3
2
1
68 67 66 65 64 63 62 61  
60  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
0
1
2
3
4
5
6
7
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  
I/O29  
I/O30  
I/O31  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
Output Enable  
Power Supply  
Ground  
VCC  
0.940"  
GND  
NC  
The WEDC 68 lead CQFP fills  
the same fit and function as the  
JEDEC 68 lead CQFJ or 68  
PLCC. But the CQFP has the  
TCE and lead inspection  
GND  
Not Connected  
I/O  
8
9
I/O  
I/O10  
I/O11  
I/O12  
I/O13  
I/O14  
I/O15  
advantage of the CQFP form.  
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43  
BLOCK DIAGRAM  
WE1CS1  
WE2CS2  
WE3CS3  
WE4CS4  
OE  
0-16  
A
128K x 8  
128K x 8  
128K x 8  
128K x 8  
8
8
8
8
I/O16-23  
I/O24-31  
I/O0-7  
I/O8-15  
July 1999 Rev. 0  
1
White Electronic Designs Corporation • (602) 437-1520 • www.whitedc.com  

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