A.10 B.100 C.1000 D.10000
A.電源、時(shí)鐘、地址信號(hào) B.電源、時(shí)鐘、數(shù)據(jù)信號(hào) C.電源、數(shù)據(jù)信號(hào)、地線 D.地線、電源、時(shí)鐘