标签: 74ls85

74LS85.pdf54LS85DM54LS85DM74LS854-BitMagnitudeComparatorsJune198954LS85DM54LS85DM74LS854-BitMagnitudeComparatorsGeneralDescriptionThese4-bitmagnitudecomparatorsperformcomparisonofhaveahigh-levelvoltageappliedtotheAeBinputThestraightbinaryorBCDcodesThreefully-decodeddecisionscascadingpathisimplementedwithonlyatwo-gate-levelabouttwo4-bitwords(AB)aremadeandareexternallydelaytoreduceoverallcomparisontimesforlongwordsav……