8R512SEA0202C25 datasheet, PDF

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8R512SEA0202C25: DescriptionSRAM Card, 64KX8, 250ns, CMOS, CARD-68; Categorystorage; File Size316KB，11 Pages; ManufacturerWhite Electronic Designs Corporation; Websitehttp://www.wedc.com/

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8R512SEA0202C25 Overview

SRAM Card, 64KX8, 250ns, CMOS, CARD-68

8R512SEA0202C25 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
JESD-30 code	R-XUUC-N68
memory density	524288 bit
Memory IC Type	SRAM CARD
memory width	8
Number of functions	1
Number of terminals	68
word count	65536 words
character code	64000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	64KX8
Package body material	UNSPECIFIED
encapsulated code	DIE
Package shape	RECTANGULAR
Package form	UNCASED CHIP
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	NO LEAD
Terminal location	UPPER
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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White Electronic Designs

PCMCIA SRAM MEMORY CARD — SEA SERIES

SRAM Memory Card 128KB Through 512KB

FEATURES

High Performance SRAM Memory Card

Single 5 Volt Supply

Fast Access Times: 150ns

x8 Interface (subset of PCMCIA standard)

Low Power CMOS technology provides very low

power and reliable data retention characteristics

• Operating current 80mA maximum

• 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

18 months - typical typical based on 512kB (lower

densities will have greater storage times)

Unlimited write cycles, no endurance issues

2KB EEPROM attribute memory containing CIS

(optional)

Optional Hardware Write Protect Switch

PC Card Standard Type I Form Factor

SEA01-SEA04

GENERAL DESCRIPTION

The WEDC SEA SRAM Series 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 housing the WEDC SRAM

SEA series is based on 1 or 4Mbit SRAM memories,

providing densities from 128 Kbytes to 512 Kbytes.

The SEA series of SRAM memory cards requires a 5V

power supply and operates at speeds to 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. 4

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

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