Smart Cable Aids Quality Control and Authentication

Abstract:EmbeddingaDS2431(1-Wire®)chipinthenearendofacableallowsasystemprocessortoidentifyacable(manufacturingdate,revision,configuration,calibrationdata,etc.)andtoauthenticateit(topreventtheuseofinferiorcounterfeits).Maxim>AppNotes>1-WireDevicesSecurityandAuthenticationKeywords:smartcables,1-wirechips,counterfeitcablesOct15,2009APPLICATIONNOTE4623SmartCableAidsQualityControlandAuthenticationBy:BernhardLinkeAbstract:EmbeddingaDS2431(1-Wire)chipinthenearendofacableallowsasystemprocessortoidentifyacable(manufacturingdate,revision,configuration,calibrationdata,etc.)andtoauthenticateit(topreventtheuseofinferiorcounterfeits).ThisdesignideaappearedintheAugust27,2009issueofElectronicDesignmagazine.Electricalcablesremainofcriticalimportanceforinterconnectingequipment(Figure1).Yet,clonedandknock-offcablesarea