Datasheet > WED8LM32513C-25EMT

WED8LM32513C-25EMT

更新时间： 2023-01-15 00:00:00

品牌	Logo	应用领域
WEDC		静态存储器
页数	文件大小	规格书
6页	123K
描述
SRAM,

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WED8LM32513C-25EMT 数据手册

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WED8LM32513C

HI-RELIABILITY PRODUCT

512Kx32 SRAM MODULE

PRELIMINARY*

FEATURES

■ Access Times of 15**, 17, 20, 25, 35, 45, 55ns

■ Low Power CMOS

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

■ Packaging

Noise Operation

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

■ Organized as 512Kx32, User Configurable as 1Mx16 or 2Mx8

■ Commercial, Industrial and Military Temperature Ranges

■ TTL Compatible Inputs and Outputs

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

characterized, and is subject to change without notice.

** 15ns Access Time available only in Commercial and Industrial Temperature.

This speed is not fully characterized and is subject to change without notice.

■ 5 Volt Power Supply

FIG. 1 PIN CONFIGURATION FOR WED8LM32513C-E

TOP VIEW

PIN DESCRIPTION

I/O0-31 Data Inputs/Outputs

68 67 66 65 64 63 62 61

A0-18

WE1-4

CS1-4

Address Inputs

Write Enables

Chip Selects

Output Enable

Power Supply

Ground

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

0.940"

VCC

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

WE₃CS₃

WE₄CS₄

WE₁CS₁

WE₂CS₂

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

A0-18

512K 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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