PHILIPS08+环保产品1FEATURES·I2C-businterfaceoperatingsupplyvoltage:2.5Vto6V·Clockoperatingsupplyvoltage(0to+70°C):1.0Vto6.0V·240´8-bitlow-voltageRAM·Dataretentionvoltage:1.0Vto6V·Operatingcurrent(atfSCL=0Hz):max.50mA·Clockfunctionwithfouryearcalendar·Universaltimerwithalarmandoverflowindication·24or12hourformat·32.768kHzor50Hztimebase·Serialinput/outputbus(I2C)·Automaticwordaddressincrementing·Programmablealarm,timerandinterruptfunction·Sl***eaddress:–READ:A1orA3–WRITE:A0orA2.2GENERALDESCRIPTIONThePCF8583isaclock/calendarcircuitbasedona2048-bitstaticCMOSRAMorganizedas256wo***by8bits.Addressesanddataaretransferredseriallyviathetwo-linebidirectionalI2C-bus.Thebuilt-inwordaddressregisterisincrementedautomaticallyaftereachwrittenorreaddatabyte.AddresspinA0isusedforprogrammingtheha***areaddress,allowingtheconnectionoftwodevicestothebuswithoutadditionalha***are.Thebuilt-in32.768kHzoscillatorcircuitandthefirst8bytesoftheRAMareusedfortheclock/calendarandcounterfuncti***.Thenext8bytesmaybeprogrammedasalarmregistersorusedasfreeRAMspace.Theremaining240bytesarefreeRAMlocati***.3QUICKREFERENCEDATA4ORDERINGINFORMATIONSYMBOLPARAMETERCONDITIONMIN.TYP.MAX.UNITVDDsupplyvoltageoperatingmodeI2C-busactive2.5-6.0VI2C-businactive1.0-6.0VIDDsupplycurrentoperatingmodefSCL=100kHz--200mAIDDOsupplycurrentclockmodefSCL=0Hz;VDD=5V-1050mAfSCL=0Hz;VDD=1V-210mATamboperatingambienttemperaturerange-40-+85°CTstgstoragetemperaturerange-65-+150°CTYPENUMBERPACKAGENAMEDESCRIPTIONVERSIONPCF8583PDIP8plasticdualin-linepackage;8leads(300mil)SOT97-1PCF8583TSO8plastic***alloutlinepackage;8leads;bodywidth7.5mmSOT176-1)