ATMEL-24C16

1Features•Low-voltageandStandard-voltageOperation–2.7(VCC=2.7Vto5.5V)–1.8(VCC=1.8Vto5.5V)InternallyOrganized128x8(1K),256x8(2K),512x8(4K),1024x8(8K)or2048x8(16K)Two-wireSerialInterfaceSchmittTrigger,FilteredInputsforNoiseSuppressionBidirectionalDataTransferProtocol100kHz(1.8V)and400kHz(2.7V,5V)CompatibilityWriteProtectPinforHardwareDataProtection8-bytePage(1K,2K),16-bytePage(4K,8K,16K)WriteModesPartialPageWritesAllowedSelf-timedWriteCycle(5msmax)High-reliability–Endurance:1MillionWriteCycles–DataRetention:100YearsAutomotiveGradeandLead-free/Halogen-freeDevicesAvailable8-leadPDIP,8-leadJEDECSOIC,8-leadMAP,5-leadSOT23,8-leadTSSOPand8-balldBGA2PackagesDieSales:WaferForm,WafflePackandBumpedWafersDescriptionTheAT24C01A/02/04/08A/16Aprovides1024/2048/4096/8192/16384bitsofserialelectricallyerasableandprogrammableread-onlymemory(EEPROM)organizedas128/256/512/1024/2048wordsof8bitseach.Thedeviceisoptimizedforuseinmanyindustrialandcommercialapplicationswherelow-powerandlow-voltageoperationareessential.TheAT24C01A/02/04/08A/16Aisavailableinspace-saving8-leadPDIP,8-leadJEDECSOIC,8-leadMAP,5-leadSOT23(AT24C01A/AT24C02/AT24C04),8-leadTSSOP,and8-balldBGA2packagesandisaccessedviaaTwo-wireserialinter-face.Inaddition,theentirefamilyisavailablein2.7V(2.7Vto5.5V)and1.8V(1.8Vto5.5V)versions.Table1.PinConfigurationPinNameFunctionA0-A2AddressInputsSDASerialDataSCLSerialClockInputWPWriteProtectNCNoConnectGNDGroundVCCPowerSupplyTwo-wireSerialEEPROM1K(128x8)2K(256x8)4K(512x8)8K(1024x8)16K(2048x8)AT24C01AAT24C02AT24C04AT24C08AAT24C16A0180V–SEEPR–8/058-leadSOIC12348765A0A1A2GNDVCCWPSCLSDA8-leadPDIP12348765A0A1A2GNDVCCWPSCLSDA8-leadMAPBottomView12348765VCCWPSCLSDAA0A1A2GND5-leadSOT2312354SCLGNDSDAWPVCC8-balldBGA2BottomViewVCCWPSCLSDAA0A1A2GND123487658-leadTSSOP12348765A0A1A2GNDVCCWPSCLSDA2AT24C01A/02/04/08A/16A0180V–SEEPR–8/05Figure1.BlockDiagramAbsoluteMaximumRatingsOperatingTemperature..................................–55°Cto+125°C*NOTICE:Stressesbeyondthoselistedunder“AbsoluteMaximumRatings”maycausepermanentdam-agetothedevice.Thisisastressratingonlyandfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedintheoperationalsectionsofthisspecificationisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectdevicereliability.StorageTemperature.....................................–65°Cto+150°CVoltageonAnyPinwithRespecttoGround....................................–1.0Vto+7.0VMaximumOperatingVoltage..........................................6.25VDCOutputCurrent........................................................5.0mA3AT24C01A/02/04/08A/16A0180V–SEEPR–8/05PinDescriptionSERIALCLOCK(SCL):TheSCLinputisusedtopositiveedgeclockdataintoeachEEPROMdeviceandnegativeedgeclockdataoutofeachdevice.SERIALDATA(SDA):TheSDApinisbidirectionalforserialdatatransfer.Thispinisopen-draindrivenandmaybewire-ORedwithanynumberofotheropen-drainoropen-collectordevices.DEVICE/PAGEADDRESSES(A2,A1,A0):TheA2,A1andA0pinsaredeviceaddressinputsthatarehardwiredfortheAT24C01AandtheAT24C02.Asmanyaseight1K/2Kdevicesmaybeaddressedonasinglebussystem(deviceaddressingisdiscussedindetailundertheDeviceAddressingsection).TheAT24C04usestheA2andA1inputsforhardwireaddressingandatotaloffour4Kdevicesmaybeaddressedonasinglebussystem.TheA0pinisanoconnect.TheAT24C08AonlyusestheA2inputforhardwireaddressingandatotaloftwo8Kdevicesmaybeaddressedonasinglebussystem.TheA0andA1pinsarenoconnects.TheAT24C16Adoesnotusethedeviceaddresspins,whichlimitsthenumberofdevicesonasinglebustoone.TheA0,A1andA2pinsarenoconnects.WRITEPROTECT(WP):TheAT24C01A/02/04/08A/16AhasaWriteProtectpinthatprovideshardwaredataprotection.TheWriteProtectpinallowsnormalRead/Writeoperationswhenconnectedtoground(GND).WhentheWriteProtectpinisconnectedtoVCC,thewriteprotectionfeatureisenabledandoperatesasshowninTable2.Table2.WriteProtectMemoryOrganizationAT24C01A,1KSERIALEEPROM:Internallyorganizedwith16pagesof8byteseach,the1Krequiresa7-bitdatawordaddressforrandomwordaddressing.AT24C02,2KSERIALEEPROM:Internallyorganizedwith32pagesof8byteseach,the2Krequiresan8-bitdatawordaddressforrandomwordaddressing.AT24C04,4KSERIALEEPROM:Internallyorganizedwith32pagesof16byteseach,the4Krequiresa9-bitdatawordaddressforrandomwordaddressing.AT24C08A,8KSERIALEEPROM:Internallyorganizedwith64pagesof16byteseach,the8Krequiresa10-bitdatawordaddressforrandomwordaddressing.AT24C16A,16KSERIALEEPROM:Internallyorganizedwith128pagesof16byteseach,the16Krequiresan11-bitdatawordaddressforrandomwordaddressing.WPPinStatusPartoftheArrayProtected24C01A24C0224C0424C08A24C16AAtVCCFull(1K)ArrayFull(2K)ArrayFull(4K)ArrayFull(8K)ArrayFull(16K)ArrayAtGNDNormalRead/WriteOperations4AT24C01A/02/04/08A/16A0180V–SEEPR–8/05Note:1.Thisparameterischaracterizedandisnot100%tested.Note:1.VILminandVIHmaxarereferenceonlyandarenottested.Table3.PinCapacitance(1)ApplicableoverrecommendedoperatingrangefromTA=25°C,f=1.0MHz,VCC=+1.8VSymbolTestConditionMaxUnitsConditionsCI/OInput/OutputCapacitance(SDA)8pFVI/O=0VCINInputCapacitance(A0,A1,A2,SCL)6