Integrated Silicon Solution, Inc. — www.issi.com

1

Rev. B

11/08/2011

Copyright©2011IntegratedSiliconSolution,Inc.Allrightsreserved.ISSIreservestherighttomakechangestothisspecificationanditsproductsatanytimewithout

notice.ISSIassumesnoliabilityarisingoutoftheapplicationoruseofanyinformation,productsorservicesdescribedherein.Customersareadvisedtoobtainthelat-

estversionofthisdevicespecificationbeforerelyingonanypublishedinformationandbeforeplacingordersforproducts.

IntegratedSiliconSolution,Inc.doesnotrecommendtheuseofanyofitsproductsinlifesupportapplicationswherethefailureormalfunctionoftheproductcanreason-

ablybeexpectedtocausefailureofthelifesupportsystemortosignificantlyaffectitssafetyoreffectiveness.Productsarenotauthorizedforuseinsuchapplications

unlessIntegratedSiliconSolution,Inc.receiveswrittenassurancetoitssatisfaction,that:

a.)theriskofinjuryordamagehasbeenminimized;

b.)theuserassumeallsuchrisks;and

c.)potentialliabilityofIntegratedSiliconSolution,Incisadequatelyprotectedunderthecircumstances

IS61WV5128EDBLL

IS64WV5128EDBLL

FEATURES

• High-speedaccesstime:8,10ns

• LowActivePower:85mW(typical)

• LowStandbyPower:7mW(typical)

CMOSstandby

• Singlepowersupply

• Fullystaticoperation:noclockorrefresh

required

• Threestateoutputs

• IndustrialandAutomotivetemperaturesupport

• Lead-freeavailable

• ErrorDetectionandErrorCorrection

512K x 8 HIGH SPEED ASYNCHRONOUS

CMOS STATIC RAM WITH ECC

DESCRIPTION

The

4,194,304-bitstaticRAMsorganizedas524,288wordsby

8bits.Itisfabricatedusing

technology.Thishighlyreliableprocesscoupledwithinno-

vativecircuitdesigntechniques,yieldshigh-performance

andlowpowerconsumptiondevices.

When CE is HIGH (deselected), the device assumes a

standbymodeatwhichthepowerdissipationcanbere-

duceddownwithCMOSinputlevels.

EasymemoryexpansionisprovidedbyusingChipEnable

andOutputEnableinputs,CEandOE.TheactiveLOW

WriteEnable(WE)controlsbothwritingandreadingof

thememory.

TheIS61/64WV5128EDBLLispackagedintheJEDEC

standard44-pinTSOP-II,36-pinSOJand36-pinMiniBGA

(6mmx8mm).

FUNCTIONAL BLOCK DIAGRAM

NOVEMBER 2011

Memory Array

(512Kx8)

ECC Array

(512Kx4)

Decoder

I/O Data

Circuit

ECC

Column I/O

8

8

12

8

4

Control

Circuit

/CE

/OE

/WE

IO0-7

A0-A18