TSI148-资料

Tsi148TMSchematicReviewChecklist80A3020_CL001_07April6,20106024SilverCreekValleyRoadSanJose,California95138Telephone:[phone]•FAX:[phone]PrintedinU.S.A.©2009IntegratedDeviceTechnology,Inc.®GENERALDISCLAIMERIntegratedDeviceTechnology,Inc.(IDT)reservestherighttomakechangestoitsproductsorspecificationsatanytime,withoutnotice,inordertoimprovedesignorperformance.IDTdoesnotassumeresponsibilityforuseofanycircuitrydescribedhereinotherthanthecircuitryembodiedinanIDTproduct.Disclosureoftheinformationhereindoesnotconveyalicenseoranyotherright,byimplicationorotherwise,inanypatent,trademark,orotherintellectualpropertyrightofIDT.IDTproductsmaycontainerratawhichcanaffectproductperformancetoaminororimmaterialdegree.Currentcharacterizederratawillbemadeavailableuponrequest.Itemsidentifiedhereinasreservedorundefinedarereservedforfuturedefinition.IDTdoesnotassumeresponsibilityforconflictsorincompatibilitiesarisingfromthefuturedefinitionofsuchitems.IDTproductshavenotbeendesigned,tested,ormanufacturedforusein,andthusarenotwarrantedfor,applicationswherethefailure,malfunction,oranyinaccuracyintheapplicationcarriesariskofdeath,seriousbodilyinjury,ordamagetotangibleproperty.CodeexamplesprovidedhereinbyIDTareforillustrativepurposesonlyandshouldnotberelieduponfordevelopingapplications.Anyuseofsuchcodeexamplesshallbeattheuser'ssolerisk.Copyright©2009IntegratedDeviceTechnology,Inc.AllRightsReserved.TheIDTlogoisregisteredtoIntegratedDeviceTechnology,Inc.IDTisatrademarkofIntegratedDeviceTechnology,Inc.Titlepage3Tsi148SchematicReviewChecklist80A3020_CL001_07IntegratedDeviceTechnology•“Overview”onpage3•“PCI/XSignals”onpage6•“VMEbusSignals”onpage13•“PLLSignals”onpage29•“PowerSupplySignals”onpage31•“MiscellaneousSignals”onpage32•“Tsi148TypicalApplications”onpage36•“RecommendedReading”onpage47RevisionHistory80A3020_CL001_07,Formal,April2010ReplacedFigure7withcorrectdiagram.80A3020_CL001_06,Formal,October2009ThisversionofthedocumentwasrebrandedasIDT.Itdoesnotincludeanytechnicalchanges.80A3020_CL001_05,Formal,September2008Thefollowinginformationhasbeenupdated:•“ACK64_”onpage680A3020_CL001_04,Formal,April2008Slightformattingandtechnicalchangeshaveoccurredthroughoutthedocument.1.1OverviewTheSchematicReviewChecklistgivesasignalbysignalterminationreviewforTsi148applications.ThisdocumentisintendedfordesignersthatareintheprocessofcompletingtheirTsi148boardschematics.Forthisreason,itisbeneficialtoreviewthecontentsofthechecklistbeforeroutingaTsi148-basedboard.FormoreinformationaboutTsi384hardwareandsoftware,refertotheTsi148UserManual.4Tsi148SchematicReviewChecklist80A3020_CL001_07IntegratedDeviceTechnology(driverimpedance)oftheI/Ocell.Table1:SignalConventions-I/OTypeSignalTypeDefinitionInputStandardinputonlysignalOutputStandardoutputonlysignal,TotemPoleOutput(t/s)Standardtri-stateoutputonlysignalOutput(o/d)Opendrainoutput—allowsmultipledevicestoshareasawire-ORBi-directBi-directional,Tri-stateinput/outputsignalBi-direct(o/d)Bi-directional,Opendraininput/output—allowsmultipledevicestoshareasawired-ORwhenusedasoutputTable2:SignalConventions-I/OLevelSymbolType3.3VTTL3.3VI/Ocell,TTLcompatible5VtlrTTL3.3VI/Ocell,TTLcompatible,5Vtolerant3.3VPCI/X3.3VI/Ocell,PCI/PCI-Xcompatible1.8V1.8VI/OCellTable3:SignalConventions-I/ODriveSymbolType35ohmNominalimpedance35ohms65ohmNominalimpedance65ohmsPCI/XFora3.3VPCI/XI/Ocell,thedriverimpedanceforapoint-to-pointapplicationis40ohms.Fora3.3VPCI/XI/Ocell,thedriverimpedanceforamulti-pointapplicationis20ohms.DriverimpedanceiscontrolledbythePCIMCpin.5Tsi148SchematicReviewChecklist80A3020_CL001_07IntegratedDeviceTechnology