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1Copyright©2003ToshibaCorporation.Allrightsreserved.PartNumberReferenceGuideforToshibaSRAM/PseudoSRAMProductsNovember2003ToshibaCorporation,SemiconductorcompanyMemoryDivisionMobileMemoryMarketing&Promotion2/2a:ToshibaCMOSb:DeviceFamilyc:PowerSupplyVoltaged:FunctionFamilye:BitCapacityf:WordWidth&etcg:Generationh:Packagei:SpecialPerformanceSelectj:Speed/FrequencyTC55VCM208ASGN4012345678910111213141516abcdefghijPartNumberReferenceGuideforToshibaSRAM/PseudoSRAMProducts3/3M24MBitM38MBitM416MBitM532MBitM664MBite:BitCapacityCapacitySymbolBitcapacitywithoutparitybitsM7128MBitGenerationA1st(Original)C3rdGenerationg:GenerationSymbolB2ndGenerationWordWidth088Bit1616Bit1818BitSymbol099Bit3636Bit7272Bit3232Bitf:WordWidthSymbolExamples-1Family55SRAM51P(Pseudo)SRAMPowerSupplyVoltageN5.0VV3.0V3.3VW2.5VY1.8Vb:DeviceFamilySymbolc:PowerSupplyVoltageSymboli:SpecialPerformanceSelectSpecialPerformanceNNormalII-VersionLLowstandbycurrentSymbolVWideOperatingVoltageAHighReliability4/4d:FunctionFamilyAWithbytecontrolBWithoutbytecontrolCwithVDDQLowPowerSRAMNORFlashpinCompatibleEE/RSRAMpincompatibleFunctionSymbolSymbolExamples-2ForDevicefamily“55”(SRAM)PSRAMFunctionSymbolForDevicefamily“51”(PSRAM)HJKSinglePowerSupplyMAsynchronoustype(Pagetype)LVDDQ2.5VVDDQ1.8VRFURFURFU:ReserveforFutureUseNPSinglePowerSupplySynchronoustype(Bursttype)RVDDQ1.8VRFU5/5Speed/Frequency10100ns5555nsSymbolj:Speed/Frequency7070nsLPSRAMSymbolExamples-3h:PackageExamplesPackageFGSOPTGTSOPSymbolXGBGAPlasticSGSlimTSOPGXFPFTXBSTBXLead(Pb)-freePKGNoLead(Pb)-freePKGExamples7070ns5555ns6565ns0550MHz0666MHz0440MHzPSRAM4040ns0775MHz6/6Theinformationcontainedhereinissubjecttochangewithoutnotice.Theinformationcontainedhereinispresentedonlyasaguidefortheapplicationsofourproducts.NoresponsibilityisassumedbyTOSHIBAforanyinfringementsofpatentsorotherrightsofthethirdpartieswhichmayresultfromitsuse.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofTOSHIBAorothers.TOSHIBAiscontinuallyworkingtoimprovethequalityandreliabilityofitsproducts.Nevertheless,semiconductordevicesingeneralcanmalfunctionorfailduetotheirinherentelectricalsensitivityandvulnerabilitytophysicalstress.Itistheresponsibilityofthebuyer,whenutilizingTOSHIBAproducts,tocomplywiththestandardsofsafetyinmakingasafedesignfortheentiresystem,andtoavoidsituationsinwhichamalfunctionorfailureofsuchTOSHIBAproductscouldcauselossofhumanlife,bodilyinjuryordamagetoproperty.Indevelopingyourdesigns,pleaseensurethatTOSHIBAproductsareusedwithinspecifiedoperatingrangesassetforthinthemostrecentTOSHIBAproductsspecifications.Also,pleasekeepinmindtheprecautionsandconditionssetforthinthe“HandlingGuideforSemiconductorDevices,”or“TOSHIBASemiconductorReliabilityHandbook”etc.TheTOSHIBAproductslistedinthisdocumentareintendedforusageingeneralelectronicsapplications（computer,personalequipment,officeequipment,measuringequipment,industrialrobotics,domesticappliances,etc.）.TheseTOSHIBAproductsareneitherintendednorwarrantedforusageinequipmentthatrequiresextraordinarilyhighqualityand/orreliabilityoramalfunctionorfailureofwhichmaycauselossofhumanlifeorbodilyinjury（“UnintendedUsage”）.UnintendedUsageincludeatomicenergycontrolinstruments,airplaneorspaceshipinstruments,transportationinstruments,trafficsignalinstruments,combustioncontrolinstruments,medicalinstruments,alltypesofsafetydevices,etc.UnintendedUsageofTOSHIBAproductslistedinthisdocumentshallbemadeatthecustomer'sownrisk.TOSHIBAproductsshouldnotbeembeddedtothedownstreamproductswhichareprohibitedtobeproducedandsold,underanylawandregulations.