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标签： presettable

ST M74HC161 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER 数据手册

ST M74HC163 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER 数据手册

FAIRCHILD 74F160A • 74F162A Synchronous Presettable BCD Decade Counter 数据手册

FAIRCHILD 74F161A • 74F163A Synchronous Presettable Binary Counter 数据手册