Table of Contents
1SCOPEANDPURPOSE
1.1Scope
1.1.1Existingdata
1.2Purpose
2REFERENCES
3DEFINITIONS
3.1Component
3.2Componentfailure
3.3Datasheetparameters
3.4Electrostaticdischargesensitivity(ESDS)
3.5ESDwithstandvoltage
3.6Humanbodymodel(HBM)ESD
3.7Machinemodel(MM)ESD
3.8MMESDTester
3.9Positiveclampsocket
3.10Ringing
3.11Stepstresshardening
4MMESDCOMPONENTCLASSIFICATION
5REQUIREDEQUIPMENT
5.1MMESDTester
5.2Waveformverificationequipment
5.2.1Oscilloscope
5.2.2Evaluationloads
5.2.3Currenttransducer
6EQUIPMENT,WAVEFORMANDQUALIFICATIONREQUIREMENTS
6.1Equipmentcalibration
6.2Testerqualificationandrequalification
6.3Testerfixtureboardqualification
6.4Dailytesterfunctionalitycheck
7QUALIFICATIONANDVERIFICATIONPROCEDURES
7.1Waveformcaptureprocedure
7.2Testerqualificationandrequalificationprocedure
7.3Testerfixtureboardqualificationprocedure
7.4Dailytesterfunctionalitycheckprocedure
8MMTESTINGREQUIREMENTS
8.1Componenthandling
8.2Componentstaticanddynamictests
8.3Testtemperature
8.4Samplesize
8.5PINcombinations
8.5.1Pincombinationsfordiscretecomponentsandcomponent
arrays
9MMESDSTRESSTESTINGPROCEDURE
10CLASSIFICATIONCRITERIA
APPENDIXA:EXAMPLEOFPINCOMBINATIONUSINGTABLE2
APPENDIXB:MMSTM5.2PROCEDUREFLOW
ListofTables
TABLE1:MMESDSCOMPONENTCLASSIFICATION
TABLE2:PINCOMBINATIONS
TABLE3:MMESDSTRESSLEVELS
ListofFigures
FIGURE1:TYPICALEQUIVALENTMMESDSTRESSTESTCIRCUIT
FIGURE2:CURRENTWAVEFORMTHROUGHASHORTINGWIRE
FIGURE3:CURRENTWAVEFORMTHROUGHA500OHMRESISTOR Abstract
Establishes the procedure for testing, evaluating and classifying the electrostatic discharge (ESD) sensitivity of components to the defined machine model (MM).