CD4000系列CMOS数字集成电路芯片资料15
CD4029CD4029BMCD4029BCPresettableBinaryDecadeUpDownCounterFebruary1988CD4029BMCD4029BCPresettableBinaryDecadeUpDownCounterGeneralDescriptionTheCD4029BMCD4029BCisapresettableupdowncountinthe‘‘up’’modeortheminimumcountinthe‘‘down’’counterwhichcountsineitherbinaryordecademodede-modeprovidedthecarryinputisatlogical‘‘0’’statependingonthevoltagelevelappliedatbinarydecadeinputAllinputsareprotected
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