查询is61c256ah供应商捷多邦,专业pcb打样工厂,24

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1、查询IS61C256AH供应商捷多邦，专业PCB打样工厂，24小时加急出货ISSI®IS61C256AH32Kx8HIGH-SPEEDCMOSSTATICRAMMAY1999FEATURESDESCRIPTION•High-speedaccesstime:10,12,15,20,25nsTheISSIIS61C256AHisaveryhigh-speed,lowpower,32,768wordby8-bitstaticRAMs.Theyarefabricatedusing•Lowactivepower:400mW(typical)ISSI'shigh-performanceCMOStechn

2、ology.Thishighlyreli-•Lowstandbypowerableprocesscoupledwithinnovativecircuitdesigntech-—250mW(typical)CMOSstandbyniques,yieldsaccesstimesasfastas10nsmaximum.—55mW(typical)TTLstandbyWhenCEisHIGH(deselected),thedeviceassumesastandby•Fullystaticoperation:noclockorrefreshmodeatwhichthepowerdissipationc

3、anbereduceddowntorequired250mW(typical)withCMOSinputlevels.•TTLcompatibleinputsandoutputsEasymemoryexpansionisprovidedbyusinganactiveLOW•Single5VpowersupplyChipEnable(CE)inputandanactiveLOWOutputEnable(OE)input.TheactiveLOWWriteEnable(WE)controlsbothwritingandreadingofthememory.TheIS61C256AHispinco

4、mpatiblewithother32Kx8SRAMsandareavailablein28-pinPDIP,SOJ,andTSOP(TypeI)packages.FUNCTIONALBLOCKDIAGRAM32KX8A0-A14DECODERMEMORYARRAYVCCGNDI/OI/O0-I/O7DATACOLUMNI/OCIRCUITCECONTROLOECIRCUITWEISSIreservestherighttomakechangestoitsproductsatanytimewithoutnoticeinordertoimprovedesignandsupplythebestpo

5、ssibleproduct.Weassumenoresponsibilityforanyerrorswhichmayappearinthispublication.©Copyright1999,IntegratedSiliconSolution,Inc.IntegratedSiliconSolution,Inc.—1-800-379-47741SR020-1O05/24/99®IS61C256AHISSIPINCONFIGURATIONPINCONFIGURATION28-PinDIPandSOJ28-PinTSOPA14128VCCOE2221A10A12227WEA112320CEA73

6、26A13A92419I/O7A82518I/O6A6425A8A132617I/O5A5524A9WE2716I/O4A4623A11VCC2815I/O3A14114GNDA3722OEA12213I/O2A2821A10A7312I/O1A1920CEA6411I/O0A5510A0A01019I/O7A469A1I/O01118I/O6A378A2I/O11217I/O5I/O21316I/O4GND1415I/O3PINDESCRIPTIONSTRUTHTABLEA0-A14AddressInputsModeWECEOEI/OOperationVccCurrentCEChipEna

7、bleInputNotSelectedXHXHigh-ZISB1,ISB2(Power-down)OEOutputEnableInputOutputDisabledHLHHigh-ZICCWEWriteEnableInputReadHLLDOUTICCI/O0-I/O7BidirectionalPortsWriteLLXDINICCVccPowerGNDGroundABSOLUTEMAXIMUMRATINGS