A.需要1片40192芯片
B.需要2片40192芯片
C.低位是十進(jìn)制計(jì)數(shù)器,高位是六進(jìn)制計(jì)數(shù)器
D.低位是六進(jìn)制計(jì)數(shù)器,高位是十進(jìn)制計(jì)數(shù)器
E.低位是六進(jìn)制計(jì)數(shù)器,高位是六進(jìn)制計(jì)數(shù)器
A.異步清零
B.并行置數(shù)
C.加法計(jì)數(shù)
D.減法計(jì)數(shù)
E.脈沖輸出
A.異步清零
B.并行輸入
C.左移
D.右移
E.串行輸入