Datasheet > 8P001SRV0100I25

8P001SRV0100I25

更新时间： 2024-11-12 23:25:55

品牌	Logo	应用领域
其他 - ETC		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
10页	124K
描述
EEPROM

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中文翻译

获取价格

数据手册

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8P001SRV0100I25 数据手册

PCMCIA Flash Memory Card

SRV Series

SRAM Memory Card 256KB through 8MB

General Description

Features

• 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.

• 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 SRAM cards contain

a rechargeable

•18 months - type II card

lithium battery and recharge circuitry, eliminating the

need for replaceable batteries found in many SRAM

cards.

typical based on 4MB (lower densities will

have greater storage times)

• Unlimited write cycles, no endurance issues

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.

• Optional Features:

• 2KB EEPROM attribute memory containing

CIS

• Optional Hardware Write Protect switch

• PC Card Standard Type I or Type II Form Factor

Block Diagram

4MB SRAM Card Shown

[A1..A19]

address

buffer

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

control

logic

SRAM

512K x 8

SRAM

512K x 8

/CS-A

/RD

/WR

CTRL

/RD

/WR

[A1..A11]

/CS-A

/RD

/WR

ATTRIBUTE

MEMORY

Vcc

Write Prot

Switch

VS1

VS2

GND

CTRL

I/O BUFFER

[DO..D7]

[D8..D15]

[DO..D7]

[D8..D15]

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

2. pull up resistor (min 10k)

Vcc

Power Management

and

BVD1

BVD2

Battery Control

to internal

power

supply

Lithium Bat.

June 2000 Rev. 1 - ECO #12896

PC Card Products

12 3 4 5 6 7...10

中文翻译

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与8P001SRV0100I25相关器件

型号	品牌	获取价格	描述	数据表
8P001SRV0101C15	WEDC	获取价格	SRAM Card, 64KX16, 150ns, CMOS, CARD-68
8P001SRV0101C25	ETC	获取价格	EEPROM
8P001SRV0101I15	ETC	获取价格	EEPROM
8P001SRV0101I25	ETC	获取价格	EEPROM
8P001SRV0102C15	WEDC	获取价格	SRAM Card, 64KX16, 150ns, CMOS, CARD-68
8P001SRV0102C25	WEDC	获取价格	SRAM Card, 64KX16, 250ns, CMOS, CARD-68
8P001SRV0102I15	WEDC	获取价格	SRAM Card, 64KX16, 150ns, CMOS, CARD-68
8P001SRV0102I25	WEDC	获取价格	SRAM Card, 64KX16, 250ns, CMOS, CARD-68
8P001SRV0103C15	WEDC	获取价格	SRAM Card, 64KX16, 150ns, CMOS, CARD-68
8P001SRV0103C25	WEDC	获取价格	SRAM Card, 64KX16, 250ns, CMOS, CARD-68

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