MC74HC157DR2G
MC74HC157N
MC74HC1600DTT1
MC74HC160ADG
MC74HC160ADR2G
MC74HC160ADTG
MC74HC160ADTR2G
MC74HC160N
MC74HC161A
MC74HC161ADG
19129911934(手机优先微信同号)
19129491934(手机优先微信同号)