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Pm25LQ512BPm25LQ010BPm25LQ020BPm25LQ040B512K/1M/2M/4MBIT3VQUADSERIALFLASHMEMORYWITHMULTI-I/OSPIDATASHEETPm25LQ512/010/020/040BIntegratedSiliconSolution,Inc.-•IndustryStandardSerialInterface-Pm25LQ040B:4Mbit/512Kbyte-Pm25LQ020B:2Mbit/256Kbyte-Pm25LQ010B:1Mbit/128Kbyte-Pm25LQ512B:512Kbit/64Kbyte-256-bytesperProgrammablePageStandard-StandardSPI/Dual/QuadMulti-I/OSPI-SupportsSerialFlashDiscoverableParameters(SFDP)•HighPerformanceSerialFlash(SPI)-104MHzSPI/Dual/QuadMulti-I/OSPI-416MHzequivalentQuadSPI-52MB/SContinuousDataThroughput-SupportsSPIModes0and3-Morethan100,000erase/programcycles-Morethan20-yeardataretention•EfficientReadandProgrammodes-LowInstructionOverheadOperations-ContinuousdatareadwithByteWraparound-AllowsXIPoperations(executeinplace)-OutperformsX16ParallelFlash•Flexible&CostEfficientMemoryArchitecture-Uniform4KbyteSectorsor32/64KbyteBlocks-Flexible4,32,64Kbytes,orChipErase-StandardPageProgram1to256bytes-Program/EraseSuspendandResume•LowPowerwithWideTemp.Ranges-Single2.3Vto3.6VVoltageSupply-10mAActiveReadCurrent-8µAStandbyCurrent-DeepPowerDown-TempRange:-40°Cto+85°C•AdvancedSecurityProtection-SoftwareandHardwareWriteProtection-4x256-Bytededicatedsecurityareawithuser-lockablebits,(OTP)OneTimeProgrammableMemory-128bitUniqueIDforeachdevice(CallFactory)•IndustryStandardPin-out&Pb-FreePackages1-S=8-pinSOIC150mil-D=8-pinTSSOPNote1:Pm25LQ040B(notavailableinD)GENERALDESCRIPTIONThePm25LQ512/010/020/040B(512K/1M/2M/4Mbit)SerialFlashmemoryoffersastoragesolutionwithflexibilityandperformanceinasimplifiedpincountpackage.ISSI’s“IndustryStandardSerialInterface”isforsystemsthathavelimitedspace,pins,andpower.Thedeviceisaccessedthrougha4-wireSPIInterfaceconsistingofaSerialDataInput(SI),SerialDataOutput(SO),SerialClock(SCK),andChipEnable(CE#)pins,whichalsoserveasmulti-functionI/OpinsinDualandQuadmodes(seepindescriptions).ThePm25xQseriesofFlashisidealforcodeshadowingtoRAM,executeinplace(XIP)operations,andstoringnon-volatiledata.Thememoryarrayisorganizedintoprogrammablepagesof256-byteseach.Thedevicesupportspageprogrammodewhere1to256bytesofdatacanbeprogrammedintothememorywithonecommand.Pagescanbeerasedingroupsof4Kbytesectors,32Kbyteblocks,64Kbyteblocks,and/ortheentirechip.Theuniformsectorsandblocksallowgreaterflexibilityforavarietyofapplicationsrequiringsoliddataretention.ThedevicesupportsthestandardSerialPeripheralInterface(SPI),Dual/Quadoutput(SPI),andDual/QuadI/O(SPI).Clockfrequenciesofupto104MHzforallreadmodesallowforequivalentclockratesofupto416MHz(104MHzx4)whichequatesto52Mbytes/Softhroughput.Thesetransferratescanoutperform16-bitParallelFlashmemoriesallowingforefficientmemoryaccessforaXIP(executeinplace)operation.Thedeviceismanufacturedusingindustryleadingnon-volatilememorytechnologyandofferedinindustrystandardlead-freepackages.SeeOrderingInformationforthedensityandpackagecombinationsavailable.Pm25LQ512/010/020/040BIntegratedSiliconSolution,Inc.-
本文标题:Pm25LQ040_020_010_512B+RevB+04-16-2015
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