CD74HC648

HIGH-SPEED CMOS LOGIC(OCTAL BUS TRANSCEIVER/REGISTER,3-STATE)

74HC648

Octalbustransceiver/register;3-state;inverting

GENERALDESCRIPTION The74HC/HCT648arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithlowpowerSchottkyTTL(LSTTL).TheyarespecifiedincompliancewithJEDECstandardno.7A. FEATURES •IndependentregisterforAandBbuses •Multiplexedreal-timeandstoreddata

HD74HC648

OctalBusTransceivers/RegisterswithMultiplexed3-stateoutputs

Description Sixcontrolinputsenablethisdevicetobeusedasalatchedtransceiver,unlatchedtransceiveroracombinationofboth.Asalatchedtransceiver,datafromonebusisstoredforlaterretrievalbytheotherbus.Alternatelyrealtimebusdata(unlatched)maybedirectlytransferred

M74HC648

HC648OCTALBUSTRANSCEIVER/REGISTER3-STATE,INV.HC646OCTALBUSTRANSCEIVER/REGISTER3-STATE

DESCRIPTION TheM74HC646/648arehighspeedCMOSOCTALBUSTRANSCEIVERSANDREGISTERS,(3-STATE)fabricatedinsilicongateC2MOStechnology.TheyhavethesamehighspeedperformanceofLSTTLcombinedwithtrueCMOSlowpowerconsumption. ■HIGHSPEED fMAX=73MHz(TYP.)ATVCC=5V ■

MM74HC648

Non-InvertingOctalBusTransceiver/Registers