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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8R256SRV1202C25 数据手册

SRV01-SRV04

White Electronic Designs

PCMCIA SRAM MEMORY CARD — SRV SERIES

SRAM Memory Card 256KB Through 8MB

FEATURES

GENERAL DESCRIPTION

High Performance SRAM memory Card

The WEDC SRAM Series (SRV) memory cards offer a

high performance nonvolatile storage solution for code

and data storage, disk caching, and write intensive mobile

and embedded applications.

Universal 3.3 to 5 Volt Supply allows for wider

compatibility between systems.

Fast Access times: 150ns @ 5V

250ns @ 3.3V

Packaged in PCMCIA type I or type II housing (type II for

cards with extended battery backup time and 8MB cards),

the WEDC SRAM SRV series is based on 1 or 4Mbit

SRAM memories, providing densities from 256 Kilobytes

to 8 Megabytes.

x8/x16 PCMCIA standard interface

Low Power CMOS technology provides very low

power and reliable data retention characteristics

• Standby current < 100μA typical

The SRV series of SRAM memory cards is a universal

3V/ 5V power supply and operates at speeds as high

as 150ns. The cards are based on advanced CMOS

technology providing very low power and reliable data

retention characteristics. WEDC’s SRAM cards contain

a rechargeable lithium battery and recharge circuitry,

eliminating the need for replaceable batteries found in

many SRAM cards.

Rechargeable Lithium battery with recharge

circuitry

• eliminates the need for replaceable batteries

• standby current during recharge typically < 2mA

• battery backup time

– 7 months - type I card

WEDC’s standard cards are shipped with WEDC’s SRAM

Logo. Cards are also available with blank housings

(no Logo). The blank housings are available in both a

recessed (for label) and ﬂat housing. Please contact

WEDC sales representative for further information on

Custom artwork.

– 18 months - type II card

typical based on 4MB (lower

densities will have greater storage

times)

Unlimited write cycles, no endurance issues

Optional Features:

• 2KB EEPROM attribute memory containing CIS

• Optional Hardware Write Protect switch

PC Card Standard Type I or Type II Form Factor

February 2007

Rev. 2

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

12 3 4 5 6 7...11

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