8R004SRV0204I25 datasheet, PDF

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8R004SRV0204I25: DescriptionSRAM Card, 256KX16, 250ns, CMOS, CARD-68; Categorystorage; File Size341KB，11 Pages; ManufacturerWhite Electronic Designs Corporation; Websitehttp://www.wedc.com/

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8R004SRV0204I25 Overview

SRAM Card, 256KX16, 250ns, CMOS, CARD-68

8R004SRV0204I25 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	White Electronic Designs Corporation
package instruction	CARD-68
Reach Compliance Code	unknown
Maximum access time	250 ns
Spare memory width	8
JESD-30 code	X-XXMA-X68
memory density	4194304 bit
Memory IC Type	SRAM CARD
memory width	16
Number of functions	1
Number of terminals	68
word count	262144 words
character code	256000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	256KX16
Package body material	UNSPECIFIED
Package shape	UNSPECIFIED
Package form	MICROELECTRONIC ASSEMBLY
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Nominal supply voltage (Vsup)	3.3 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal form	UNSPECIFIED
Terminal location	UNSPECIFIED
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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White Electronic Designs

PCMCIA SRAM MEMORY CARD — SRV SERIES

SRAM Memory Card 256KB Through 8MB

FEATURES

High Performance SRAM memory Card

Universal 3.3 to 5 Volt Supply allows for wider

compatibility between systems.

Fast Access times: 150ns @ 5V

250ns @ 3.3V

x8/x16 PCMCIA standard interface

Low Power CMOS technology provides very low

power and reliable data retention characteristics

• Standby current < 100μA typical

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

– 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

SRV01-SRV04

GENERAL DESCRIPTION

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.

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.

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.

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

ﬂ

at housing. Please contact

WEDC sales representative for further information on

Custom artwork.

February 2007

Rev. 2

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

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