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  • 所需E币: 3
    时间: 2020-1-6 11:34
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    74LS85.pdf54LS85DM54LS85DM74LS854-BitMagnitudeComparatorsJune198954LS85DM54LS85DM74LS854-BitMagnitudeComparatorsGeneralDescriptionThese4-bitmagnitudecomparatorsperformcomparisonofhaveahigh-levelvoltageappliedtotheAeBinputThestraightbinaryorBCDcodesThreefully-decodeddecisionscascadingpathisimplementedwithonlyatwo-gate-levelabouttwo4-bitwords(AB)aremadeandareexternallydelaytoreduceoverallcomparisontimesforlongwordsav……