友晶开发板DE0上的SDRAM芯片的数据手册

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1、A3V64S40ETP64MSingleDataRateSynchronousDRAM64MbSynchronousDRAMSpecificationA3V64S40ETPZentelElectronicsCorp.Revision1.2Mar.,2010A3V64S40ETP64MSingleDataRateSynchronousDRAMGeneralDescriptionA3V64S40ETPisorganizedas4-bankx1,048,576-wordx16-bitSynchronousDRAMwithLVTTLinterface.Allinputsandoutputs

2、arereferencedtotherisingedgeofCLK.A3V64S40ETPachievesveryhighspeeddataratesupto166MHz,andissuitableformainmemoriesorgraphicmemoriesincomputersystems.Features-Single3.3V±0.3Vpowersupply-Maximumclockfrequency:-6:166MHz<3-3-3>/-7:143MHz<3-3-3>/-75:133MHz<3-3-3>-Fullysynchronousoperationreferenced

3、toclockrisingedge-4-bankoperationcontrolledbyBA0,BA1(BankAddress)-/CASlatency-2/3(programmable)-Burstlength-1/2/4/8/FP(programmable)-Bursttype-Sequentialandinterleaveburst(programmable)-ByteControl-DQMLandDQMU-Randomcolumnaccess-Autoprecharge/AllbankprechargecontrolledbyA10-Supportconcurrentau

4、to-precharge-Autoandselfrefresh-4096refreshcycles/64ms-LVTTLInterface-Package400-mil,54-pinThinSmallOutline(TSOPII)with0.8mmleadpitchPb-freepackageisavailableOrderingInformation54PinTSOPII(400milx875mil)PartNo.Max.FrequencySupplyVoltageA3V64S40ETP-G6166MHz(CL=3)3.3VA3V64S40ETP-G7143MHz(CL=3)3.

5、3VA3V64S40ETP-G75133MHz(CL=3)3.3VZentelElectronicsreservestherighttochangeproductsorspecificationwithoutnotice.Revision1.2Mar.,2010Page1/39A3V64S40ETP64MSingleDataRateSynchronousDRAMPinConfigurationDQMLDQMUCLK:MasterClockDQMU,L:OutputDisable/WriteMaskCKE:ClockEnableA0-11:AddressInpu/CS:ChipSel

6、ectBA0,1:BankAddress/RAS:RowAddressStrobeVdd:PowerSupply/CAS:ColumnAddressStrobeVddQ:PowerSupplyforOutput/WE:WriteEnableVss:GroundDQ0-15:DataI/OVssQ:GroundforOutputRevision1.2Mar.,2010Page2/39A3V64S40ETP64MSingleDataRateSynchronousDRAMDQ0-154096x256x164096x256x164096x256x164096x256x16A0-11DQMU

7、,LTypeDesignationCodeA3Ｖ64Ｓ４０EＴＰ－G6SpeedGrade75：133MHz@CL=37：143MHz@CL=36：166MHz@CL=3G：GreenPackageTypeTP：TSOP(II)ProcessGenerationFunctionReservedforFutureUsenOrganization24：x16SDRSynchronousDRAMDensity64：64MbitsInterfaceV：LVTTLMemoryS