文档介绍：patiblewithSPIBusSerialInterface(PositiveClockSPIModes)■SingleSupplyVoltage:––-–-R■HighSpeed8–10MHzClockRate,5msWriteTime■StatusRegister■HardwareProtectionoftheStatusRegister1■BYTEandPAGEWRITE(upto64Bytes)■Self-TimedProgrammingCycle■AdjustableSizeRead-OnlyEEPROMArea■EnhancedESDProtectionPDIP8(BN)mmframe■Morethan100000Erase/WriteCycles■Morethan40-YearDataRetention81SO8(MN)(MW)200milwidthReferencePartNumberM95256M95256M95256-WM95256-RM95128TSSOP8(DW)169milwidthM95128M95128-WM95128-ROctober20041/39M95256,M95128TABLEOFCONTENTSFEATURESSUMMARY.................................................................................................................................................................................................................................................,SOandTSSOPConnections....................................................................................................5SIGNALDESCRIPTION.............................................................6SerialDataOutput(Q)............................................................6SerialDataInput(D).............................................................6SerialClock(C).................................................................6ChipSelect(S).................................................................6Hold(HOLD)...................................................................6WriteProtect(W)................................................................6CONNECTINGTOTHESPIBUS.....................................................................................7SPIModes........................................................................................................................8OPERATINGFEATURES....................