74HC012输入四与非门(oc)74HC022输入四或非门74HC032输入四与非门(oc)74HC04六倒相器74HC05六倒相器(oc)74HC06六高压输出反相缓冲器/驱动器(oc,30v)74HC07六高压输出缓冲器/驱动器(oc,30v)74HC082输入四与门74HC092输入四与门(oc)74HC103输入三与非门74HC113输入三与门74HC123输入三与非门(oc)74HC134输入双与非门(斯密特触发)74HC14六倒相器(斯密特触发)74HC153输入三与门(oc)74HC16六高压输出反相缓冲器/驱动器(oc,15v)74HC1