ANSI/ESDSP5.1.2-2006ANSI/ESDSP5.1.2-2006fortheProtectionofElectrostaticDischargeSusceptibleItemsStandardPracticeforHumanBodyModel(HBM)andMachineModel(MM)AlternativeTestMethod:SplitSignalPin–ComponentLevelElectrostaticDischargeAssociation7900TurinRoad,Bldg.3Rome,NY13440AnAmericanNationalStandardApprovedOctober13,2006ANSI/ESDSP5.1.2-2006ESDAssociationStandardPracticefortheProtectionofElectrostaticDischargeSusceptibleItems–StandardPracticeforHumanBodyModel(HBM)andMachineModel(MM)AlternativeTestMethod:SplitSignalPin–ComponentLevelApprovedSeptember10,2006ESDAssociationANSI/ESDSP5.1.2-2006ElectrostaticDischargeAssociation(ESDA)standardsandpublicationsaredesignedtoservethepublicinterestbyeliminatingmisunderstandingsbetweenmanufacturersandpurchasers,facilitatingtheinterchangeabilityandimprovementofproductsandassistingthepurchaserinselectingandobtainingtheproperproductforhisparticularneeds.Theexistenceofsuchstandardsandpublicationsshallnotinanyrespectprecludeanymemberornon-memberoftheAssociationfrommanufacturingorsellingproductsnotconformingtosuchstandardsandpublications.NorshallthefactthatastandardorpublicationispublishedbytheAssociationprecludeitsvoluntaryusebynon-membersoftheAssociationwhetherthedocumentistobeusedeitherdomesticallyorinternationally.RecommendedstandardsandpublicationsareadoptedbytheESDAinaccordancewiththeANSIPatentpolicy.InterpretationofESDAStandards:Theinterpretationofstandardsin-so-farasitmayrelatetoaspecificproductormanufacturerisapropermatterfortheindividualcompanyconcernedandcannotbeundertakenbyanypersonactingfortheESDA.TheESDAStandardsChairmanmaymakecommentslimitedtoanexplanationorclarificationofthetechnicallanguageorprovisionsinastandard,butnotrelatedtoitsapplicationtospecificproductsandmanufacturers.NootherpersonisauthorizedtocommentonbehalfoftheESDAonanyESDAStandard.THECONTENTSOFESDA’SSTANDARDSANDPUBLICATIONSAREPROVIDED“AS-IS,”ANDESDAMAKESNOREPRESENTATIONSORWARRANTIES,EXPRESSORIMPLIED,OFANYKINDWITHRESPECTTOSUCHCONTENTS.ESDADISCLAIMSALLREPRESENTATIONSANDWARRANTIES,INCLUDINGWITHOUTLIMITATION,WARRANTIESOFMERCHANTABILITY,FITNESSFORPARTICULARPURPOSEORUSE,TITLEANDNON-INFRINGEMENT.DISCLAIMEROFGUARANTY:ESDASTANDARDSANDPUBLICATIONSARECONSIDEREDTECHNICALLYSOUNDATTHETIMETHEYAREAPPROVEDFORPUBLICATION.THEYARENOTASUBSTITUTEFORAPRODUCTSELLER’SORUSER’SOWNJUDGMENTWITHRESPECTTOANYPARTICULARPRODUCTDISCUSSED,ANDESDADOESNOTUNDERTAKETOGUARANTYTHEPERFORMANCEOFANYINDIVIDUALMANUFACTURERS’PRODUCTSBYVIRTUEOFSUCHSTANDARDSORPUBLICATIONS.THUS,ESDAEXPRESSLYDISCLAIMSANYRESPONSIBILITYFORDAMAGESARISINGFROMTHEUSE,APPLICATIONORRELIANCEBYOTHERSONTHEINFORMATIONCONTAINEDINTHESESTANDARDSORPUBLICATIONS.LIMITATIONONESDA’SLIABILITY:NEITHERESDA,NORITSMEMBERS,OFFICERS,EMPLOYEESOROTHERREPRESENTATIVESWILLBELIABLEFORDAMAGESARISINGOUTOFORINCONNECTIONWITHTHEUSEORMISUSEOFESDASTANDARDSORPUBLICATIONS,EVENIFADVISEDOFTHEPOSSIBILITYTHEREOF.THISISACOMPREHENSIVELIMITATIONOFLIABILITYTHATAPPLIESTOALLDAMAGESOFANYKIND,INCLUDINGWITHOUTLIMITATION,LOSSOFDATA,INCOMEORPROFIT,LOSSOFORDAMAGETOPROPERTYANDCLAIMSOFTHIRDPARTIES.Publishedby:ElectrostaticDischargeAssociation7900TurinRoad,Bldg.3Rome,NY13440Copyright©2007byESDAssociationAllrightsreservedNopartofthispublicationmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.PrintedintheUnitedStatesofAmericaISBN:1-58537-123-8DISCLAIMEROFWARRANTIESCAUTIONNOTICEANSI/ESDSP5.1.2-2006i(ThisforewordisnotpartofESDAssociationANSI/ESDSP5.1.2-2006)FOREWORDThisstandardpracticedefinesanalternativetestmethodtoperformHumanBodyModel(HBM)orMachineModel(MM)componentlevelelectrostaticdischarge(ESD)testswhenthecomponentordevicepincountexceedsthenumberofESDsimulatortesterchannels.IfanESDsimulatorabove512pinsisnotavailable,thenthisstandardpracticecanbeusedasaguidetoESDstresscomponentswithgreaterthan512pinsorballs.Sincethisdocumentisastandardpracticeandnotastandardtestmethod,classificationsofESDsensitivitylevelscannotbedefined.ThisdocumentreferencestheANSI/ESDSTM5.1(HBM)andANSI/ESDSTM5.2(MM)testmethods.Bothofthesedocumentswillsurpassthisstandardpracticeifthereareanyconflictsintestingacomponent.ThisdocumentdoesnotclaimtoreproducethesametestresultsaswouldbeachievedbyanESDsimulatorwithgreaterthan512pins.Thetestresultswillbesimilar,butnotidenticalsincemanyofthetesterparasiticpropertiesofahigherpincountsimulatorcannotbereproducedusingalowerpincountESDsimulator.TheauthorsofthisdocumentrecommendthattheuserpurchaseandusethehighpinESDsimulatorthatfullymeetsthetestrequirementsofANSI/ESDSTM5.1orANSI/ESDSTM5.2.Ifthisisnotpossible,thenthisdocumentcanbeusedtoperformHBMorMMstresstesting.ThisstandardpracticeappliestobothHBMandMMtestmethodsbecausethisalternativetestmethodbuildscustomtestfixtureboards(TFBs)thatcanusedbybothESDtestmethods.TheuseofthesecustomTFBschangesthepincombinationsandnotthedischargewaveforms.ThisstandardpracticewasprocessedandapprovedforsubmittaltotheElectrostaticDischargeAssociation(ESDA)StandardsCommitteebythe5.1(HBM)DeviceTestingSubcommittee.TheESDAStandardsCommitteea