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Low-powerdifferentialinterfacetechnologiesforportableproductsdesignfeatureByPravasPradhanandJeffJu,FairchildSemiconductorALTHOUGHANUMBEROFRECENTPUBLICATIONSHAVEOUTLINEDTHEBENEFITSOFUSINGDIFFERENTIALSIGNALLINGTECHNOLOGYOVERSINGLEENDEDTECHNOLOGYFORSERIALINTERFACES,LESSINFORMATIONEXISTSONTHEHIDDENFORCESDRIVINGSUCHMIGRATIONSATTHESIGNAL-TRANSMISSIONLEVEL.Low-PowerDifferentialInterfaceTechnologiesforPortableProductsDesignsintheconsumerandcommunicationssectorsarewitnessingatransitionfromparalleltohigh-speedserialI/Osolutions.Interfacetechnologiesthatcanbalancetheconflictingrequirementsforveryhighdatarates,atlowerpowerconsumption,andwithimprovedEMIperformanceareexperiencingrapidgrowth.Thisarticleanalysesthearchitecturesofthemostcommonlyuseddifferential……