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NOTICEOFCHANGENOTMEASUREMENTSENSITIVE1keTHISHANDBOOKISFORGUIDANCEONLY-MIL-HDBK-217FDONOTCITETHISDOCUMENTASAREQUIREMENTNOTICE228February1995ToallholdersofMILITARYHANDBOOKRELIABILITYPREDICTIONOFELECTRONICMIL-HDBK-217FEQUIPMENT1.ThefollowingpagesofMIL-HDBK-217FhavebeenrevisedandsupersedethepageaMed..NewPage($)1“DatesupersededPage(6)DaterFrontCoverFrontCover2December1991...Ml[2December199I...11!Reprintedwithoutcharmeriviv2Deoember1991\vvI2December1991viviI2Deoember1991Avii1viiI10Julv1992.,.VlllNewPageI1-11-12Deoember1991L11-2NewPage~2-12“112December1991142-22-22Deoember199112-32-3.2Deoember1991I12-412-4I2Daoember199112-52-512December1991,2-62-612Deoember1991I9.7NewPaae2-8INewPager5“35-310Ju~19925410July19925-4ReprintedwithoutchangeI5-55-52December1991I5-65-62IxoWnber199145-95-910Ju&1992r5-1o2December19915-1oReprintedwithoutchangev5-235-232Deoember1991,5-245-242Deoember19916-12December19916-1~ReprintedwithoutchangeA6-26-2~2December19917-37-32Deoember19917-42December19917-4Reprintedwithoutchange9-1through9-39-1through9-292December1991,10-1through10-610-1through10-322December199111-111-1[2C)ecember199111-211-2I2December199111-!?11-3!2December1991..-1,11-411-4,11-52December1991,12-112-12December19911-1~.p12-26........—————-.——2December1991d.——.—.1MI1-HDBK-217FNOTICE2*NewPage(s)DateSupersededPage(s)DateI12-312-310JUIY1992r12-412-4I2December199112-512-52December1991113-113-12December199113-213-22December1991f---1---‘-?ecember199114-1through14-214-1mrougn144zUecember199114-314-52December199115-1through15-315-1through15-62December199116-116-12December1991r16-2INewPage#—i16-4INewPage17-117-12December1991AppendixAA-1throughA-182December1991,10July1992C-3c-32December19911c-411c-4]2December1991I2.RetainthepagesofthisnoticeandinsertbeforetheTableofContents.3.HoldersofMIL-HDBK-217Fwillverifythatpagechangesandadditionsindicatedhavebeenentered.Thenoticepageswillberetainedasachecksheet.Theissuance,togetherwithappendedpages,isaseparatepublication.Eachnoticeistoberetainedbystockingpointsuntilthemilitaryhandbookisrevisedorcanceled.Custodians:PreparingActivity:Army-CRAirForce-17Navy-ECAirForce-17ProjectNo,RELI-0074ReviewActivities:Army-Ml,AV,ERNavy-SH,AS,OSAirForce-11,13,15,19,99Army-AT,ME,GLNavy-CG,MC,YD,TDAirForce-85AMSCNIADISTRIBUTIONSTATEMENTA:Approvedforpubllcrelease;dlstnbutlonunlimited.———----1111=,I-r____—INOTMEASUREMENTSENSITIVE]MIL-HDBK-217F2DECEMBER1991SUPERSEDINGMIL-HDBK-217E,Notice12January1990MILITARYHANDBOOKRELIABILITYPREDICTIONOFELECTRONICEQUIPMENTTHISHANDBOOKISFORGUIDANCEONLY-DONOTCITETHISDOCUMENTASAREQUIREMENTAMSCNIADISTRIBUTIONSTATEMENTAdApprovedforpubllcrelease;drstrlbu!lcntinllmtted!FSC-RELI:._—-MIL-HDBK-217FDEPARTMENTOFDEFENSEWASHINGTONDC20301RELIABILITYPREDICTIONOFELECTRONICEQUIPMENT1,ThisstandardizationhandbookwasdevelopedbytheDepartmentofDefensewiththeassistanceofthemilitarydepartments,federalagencies,andindustry.2.Everyefforthasbeenmadetoreflectthelatestinformationonreliabilitypredictionprocedures.Itistheintenttoreviewthishandbookperiodicallytoensureitscompletenessandcurrency.3.Beneficialcomments(recommendations,additions,deletions)andanypertinentdatawhichmaybeofuseinimprovingthisdocumentshouldbeaddressedto:RomeLaborato@ERSR,AttmSeymourF.Morris,525BrooksRd.,GriffissAFB,NY13441-4505,byusingtheself-addressedStandardizationDocumentImprovementProposal(DDForm1426)appearingattheendofthisdocumentorbyletter.—II,...-..-—..-...,-—.-—-_____...--.—..—-----al..-A--I-*AA-*..A;a-MIL-HDBK-217FTA8LEOFCONTENTSSECTION1.11.21.3SECTIONSECTION3.13.23.33.4SECTIONSECTION5.15.25.35.45.55.65.75.85.95.105.115.125.13SECTION6.06.16.26.36.46.56.66.76.86.96.106.116.126.136,146.151:SCOPEPurpose.................................................................................................................Application.............................................................................................................ComputerizedReliabilityPrediction.........................................................................2:REFERENCEDOCUMENTS.......................................................................3:INTRODUCTIONReliabilityEngineering............................................................................................TheRoleofReliabilityPrediction..............................................................................LimitationsofReliabilityPredictions..........................................................................PartStressAnalysisPrediction................................................................................4:RELIABILITYANALYSISEVALUATION...................................................5:MICROCIRCUITS,INTRODUCTION●..........................................................Gate/LogicArraysandMicroprocessors....................................................................Memories..........................................0....................................................................VHSIC/VHSICLike..................................................................................