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1、LowĆVoltageDifferentialSignaling(LVDS)DesignNotes2000Mixed-SignalProductsSLLA014AIMPORTANTNOTICETexasInstrumentsanditssubsidiaries(TI)reservetherighttomakechangestotheirproductsortodiscontinueanyproductorservicewithoutnotice,andadvisecustomerstoobtainthelatestversion
2、ofrelevantinformationtoverify,beforeplacingorders,thatinformationbeingreliedoniscurrentandcomplete.Allproductsaresoldsubjecttothetermsandconditionsofsalesuppliedatthetimeoforderacknowledgment,includingthosepertainingtowarranty,patentinfringement,andlimitationofliabil
3、ity.TIwarrantsperformanceofitssemiconductorproductstothespecificationsapplicableatthetimeofsaleinaccordancewithTI’sstandardwarranty.TestingandotherqualitycontroltechniquesareutilizedtotheextentTIdeemsnecessarytosupportthiswarranty.Specifictestingofallparametersofeach
4、deviceisnotnecessarilyperformed,exceptthosemandatedbygovernmentrequirements.CustomersareresponsiblefortheirapplicationsusingTIcomponents.Inordertominimizerisksassociatedwiththecustomer’sapplications,adequatedesignandoperatingsafeguardsmustbeprovidedbythecustomertomin
5、imizeinherentorproceduralhazards.TIassumesnoliabilityforapplicationsassistanceorcustomerproductdesign.TIdoesnotwarrantorrepresentthatanylicense,eitherexpressorimplied,isgrantedunderanypatentright,copyright,maskworkright,orotherintellectualpropertyrightofTIcoveringorr
6、elatingtoanycombination,machine,orprocessinwhichsuchsemiconductorproductsorservicesmightbeorareused.TI’spublicationofinformationregardinganythirdparty’sproductsorservicesdoesnotconstituteTI’sapproval,warrantyorendorsementthereof.Copyrightã2000,TexasInstrumentsIncorpo
7、ratedLow-VoltageDifferentialSignaling(LVDS)IntroductionLow-voltagedifferentialsignaling(LVDS)isasignalingmethodusedforhigh-speedtransmissionofbinarydataovercopper.Itiswellrecognizedthatthebenefitsofbalanceddatatransmissionbegintooutweighthecostsoversingle-endedtechni
8、queswhensignaltransitiontimesapproach10ns.Thisrepresentssignalingratesofabout30Mbpsorclockratesof60MHz(insingle-edgeclockingsystems