TheADCLK946isanultrafastclockfanoutbufferfabricatedontheAnalogDevices,Inc.,proprietaryXFCB3silicongermanium(SiGe)bipolarprocess.Thisdeviceisdesignedforhighspeedapplicationsrequiringlowjitter.

Thedevicehasadifferentialinputequippedwithcenter-tapped,differential,100Ωon-chipterminationresistors.Theinputacceptsdc-coupledLVPECL,CML,3.3VCMOS(singleended),andac-coupled1.8VCMOS,LVDS,andLVPECLinputs.AVREFpinisavailableforbiasingac-coupledinputs.

TheADCLK946featuressixfull-swingemitter-coupledlogic(ECL)outputdrivers.ForLVPECL(positiveECL)operation,biasVCCtothepositivesupplyandVEEtoground.ForECLoperation,biasVCCtogroundandVEEtothenegativesupply.

TheECLoutputstagesaredesignedtodirectlydrive800mVeachsideinto50ΩterminatedtoVCC−2Vforatotaldifferen-tialoutputswingof1.6V.

TheADCLK946isavailableina24-leadLFCSPandisspecifiedforoperationoverthestandardindustrialtemperaturerangeof−40°Cto+85°C.