芯片24C01C的说明文档

ª1997MicrochipTechnologyInc.PreliminaryDS21201A-page1M24C01CFEATURES•Singlesupplywithoperationfrom4.5to5.5V•LowpowerCMOStechnology-1mAactivecurrenttypical-10mAstandbycurrenttypicalat5.5V•Organizedasasingleblockof128bytes(128x8)•2-wireserialinterfacebus,I2Ccompatible•100kHzand400kHzcompatibility•Page-writebufferforupto16bytes•Self-timedwritecycle(includingauto-erase)•Fast1mSwritecycletimeforbyteorpagemode•Addresslinesallowuptoeightdevicesonbus•1,000,000erase/writecyclesguaranteed•ESDprotection4,000V•Dataretention200years•8-pinPDIP,SOICorTSSOPpackages•AvailableforextendedtemperaturerangesDESCRIPTIONTheMicrochipTechnologyInc.24C01Cisa1KbitSerialElectricallyErasablePROMwithavoltagerangeof4.5Vto5.5V.Thedeviceisorganizedasasingleblockof128x8-bitmemorywitha2-wireserialinter-face.Lowcurrentdesignpermitsoperationwithtypicalstandbyandactivecurrentsofonly10mAand1mArespectively.Thedevicehasapage-writecapabilityforupto16bytesofdataandhasfastwritecycletimesofonly1mSforbothbyteandpagewrites.Functionaladdresslinesallowtheconnectionofuptoeight24C01Cdevicesonthesamebusforupto8KbitsofcontiguousEEPROMmemory.Thedeviceisavailableinthestandard8-pinPDIP,8-pinSOIC(150mil),andTSSOPpackages.PACKAGETYPESBLOCKDIAGRAM-Commercial(C):0Cto+70C-Industrial(I):-40Cto+85C-Automotive(E)-40Cto+125CPDIP/SOICTSSOPA0A1A2VssVccTESTSCLSDA24C01C24C01C12348765A0A1A2VSSVCCTESTSCLSDA12348765I/OControlLogicMemoryControlLogicXDECHVGeneratorEEPROMArrayYDECVccVssSENSEAMPR/WCONTROLSDASCLA0A1A21K5.0VI2C™SerialEEPROMI2CisatrademarkofPhilipsCorporation.24C01CDS21201A-page2Preliminaryª1997MicrochipTechnologyInc.1.0ELECTRICALCHARACTERISTICS1.1MaximumRatings*VCC........................................................................7.0VAllinputsandoutputsw.r.t.VSS......-0.6VtoVCC+1.0VStoragetemperature...........................-65˚Cto+150˚CAmbienttemp.withpowerapplied.......-65˚Cto+125˚CSolderingtemperatureofleads(10seconds)...+300˚CESDprotectiononallpins......................................‡4kV*Notice:Stressesabovethoselistedunder“Maximumratings”maycausepermanentdamagetothedevice.Thisisastressratingonlyandfunctionaloperationofthedeviceatthoseoranyotherconditionsabovethoseindicatedintheoperationallistingsofthisspecificationisnotimplied.Exposuretomaximumratingconditionsforextendedperi-odsmayaffectdevicereliability.TABLE1-1:PINFUNCTIONTABLENameFunctionVSSSDASCLVCCA0,A1,A2TestGroundSerialDataSerialClock+4.5Vto5.5VPowerSupplyChipSelectsTestPin:maybetiedhigh,loworleftfloatingTABLE1-2:DCCHARACTERISTICSAllparametersapplyacrossthespeci-fiedoperatingrangesunlessotherwisenoted.VCC=+4.5Vto+5.5VCommercial(C):Tamb=0Cto+70CIndustrial(I):Tamb=-40Cto+85CAutomotive(E):Tamb=-40Cto+125CParameterSymbolMin.Max.UnitsConditionsSCLandSDApins:HighlevelinputvoltageVIH0.7VCCVLowlevelinputvoltageVIL.3VCCVHysteresisofSchmitttriggerinputsVHYS0.05VCC—V(Note)LowleveloutputvoltageVOL.40VIOL=3.0mA,VCC=4.5VInputleakagecurrentILI-1010mAVIN=0.1Vto5.5V,WP=VssOutputleakagecurrentILO-1010mAVOUT=0.1Vto5.5VPincapacitance(allinputs/outputs)CIN,COUT—10pFVCC=5.0V(Note)Tamb=25C,f=1MHzOperatingcurrentICCRead—1mAVCC=5.5V,SCL=400kHzICCWrite—3mAVCC=5.5VStandbycurrentICCS—50mAVCC=5.5V,SDA=SCL=VCCNote:Thisparameterisperiodicallysampledandnot100%tested.24C01Cª1997MicrochipTechnologyInc.PreliminaryDS21201A-page3TABLE1-3:ACCHARACTERISTICSFIGURE1-1:BUSTIMINGDATAAllparametersapplyacrossthespecifiedoper-atingrangesunlessotherwisenoted.Vcc=4.5Vto5.5VCommercial(C):Tamb=0Cto+70CIndustrial(I):Tamb=-40Cto+85CAutomotive(E):Tamb=-40Cto+125CParameterSymbolTamb+85C-40C£Tamb£+85CUnitsRemarksMin.Max.Min.Max.ClockfrequencyFCLK—100—400kHzClockhightimeTHIGH4000—600—nsClocklowtimeTLOW4700—1300—nsSDAandSCLrisetimeTR—1000—300ns(Note1)SDAandSCLfalltimeTF—300—300ns(Note1)STARTconditionholdtimeTHD:STA4000—600—nsAfterthisperiodthefirstclockpulseisgeneratedSTARTconditionsetuptimeTSU:STA4700—600—nsOnlyrelevantforrepeatedSTARTconditionDatainputholdtimeTHD:DAT0—0—ns(Note2)DatainputsetuptimeTSU:DAT250—100—nsSTOPconditionsetuptimeTSU:STO4000—600—nsOutputvalidfromclockTAA—3500—900ns(Note2)BusfreetimeTBUF4700—1300—nsTimethebusmustbefreebeforeanewtransmissioncanstartOutputfalltimefromVIHminimumtoVILmaximumTOF—25020+0.1CB250ns(Note1),CB£100pFInputfilterspikesuppression(SDAandSCLpins)TSP—50—50ns(Note3)WritecycletimeTWR—1.5—1msByteorPagemodeEndurance1M—1M—cycles25C,VCC=5.0V,BlockMode(Note4)Note1:Not100%tested.CB=totalcapacitanceofonebuslineinpF.2:Asatransmitter,thedevicemustprovideaninternalminimumdelaytimetobridgetheundefinedregion(minimum300ns)ofthefallingedgeofSCLtoavoidunintendedgenerationofSTARTorSTOPconditions.3:ThecombinedTSPandVHYSspecificationsareduetoSchmitttriggerinputswhichprovideimprovednoisespikesuppression.ThiseliminatestheneedforaTIspecificationforstandardoperation.4:Thisparameterisnottestedbutguaranteedbycharacterization.Forenduranceestimatesinaspecificappli-cation,pleaseconsulttheTotalEnduranceModelwhichcanbeobtainedonourBBSorwebsite.SCLSDAINTSU:STASDAOUTTHD:STATLOWTHIGHTRTBUFTAATHD:DATTSU:DATTSU:STOTSPTF24C01CDS21201A