Datasheet > WED8LM32129V-25ECT

WED8LM32129V-25ECT

更新时间： 2024-11-22 10:07:31

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	117K
描述
SRAM,

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数据手册

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WED8LM32129V-25ECT 数据手册

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WED8LM32129V

HI-RELIABILITY PRODUCT

128Kx32 3.3V SRAM MODULE

PRELIMINARY*

FEATURES

■ Low Power CMOS

■ Access Times of 15**, 17, 20, 25, 35ns

■ TTL Compatible Inputs and Outputs

■ Low Voltage Operation

■ Built-in Decoupling Caps and Multiple Ground Pins for Low

■ Packaging

Noise Operation

• 68 lead, 23.88mm Low Profile CQFP, 3.56mm (0.140")

* This data sheet describes a product under development, not fully

characterized, and is subject to change without notice.

■ Organized as 128Kx32; User Configurable as 256Kx16 or

512Kx8

** Commercial and Industrial only.

■ Commercial, Industrial and Military Temperature Ranges

■ 3.3 Volt Power Supply

FIG. 1 PIN CONFIGURATION FOR WED8LM32129V-E

PIN DESCRIPTION

TOP VIEW

I/O0-31 Data Inputs/Outputs

A0-16

WE1-4

CS1-4

Address Inputs

Write Enables

Chip Selects

Output Enable

Power Supply

Ground

68 67 66 65 64 63 62 61

I/O

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

VCC

0.940"

GND

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 advantage of the

CQFP form.

GND

Not Connected

I/O

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

BLOCK DIAGRAM

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

WE₁CS₁

WE₂CS₂

WE₃CS₃

WE₄CS₄

0-16

128K x 8

I/O16-23

I/O24-31

I/O0-7

I/O8-15

July 1999 Rev. 0

White Electronic Designs Corporation • (602) 437-1520 • www.whitedc.com

12 3 4 5 6

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