Datasheet > 8R256SRV1202C25

8R256SRV1202C25

更新时间： 2023-08-15 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
11页	340K
描述
SRAM Card, 16MX16, 250ns, CMOS, CARD-68

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数据手册

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8R256SRV1202C25 数据手册

SRV01-SRV04

White Electronic Designs

BLOCK DIAGRAM

4MB SRAM Card Shown

[A1..A19]

address

buffer

SRAM

512K x 8

SRAM

512K x 8

SRAM

[A20..A22]

512K x 8

CSHi#

CSLi#

SRAM

512K x 8

SRAM

512K x 8

+ +

decoder

and

CE1#

CE2#

WE#

OE#

REG#

CSHi#

SRAM

512K x 8

control

logic

SRAM

512K x 8

CS-A#

RD#

WR#

CTRL

[A1..A11]

CS-A#

RD#

ATTRIBUTE

MEMORY

Vcc

WR#

Write Prot

Switch

VS1

VS2

GND

CTRL

I/O BUFFER

[DO..D7]

[D8..D15]

Vcc

Notes: 1. pull down resistor (min 100k)

2. pull up resistor (min 10k)

Power Management

and

BVD1

BVD2

to internal

Battery Control

power

supply

Lithium Bat.

February 2007

Rev. 2

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

123 4 5 6 7...11

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