MC74LCX374DTR2
MC74LCX374DTR2G
MC74LCX374DWR2
MC74LCX374DWR2G
MC74LCX374MEL
MC74LCX374MELG
MC74LCX540DT
MC74LCX540DTG
MC74LCX540DTR2
MC74LCX540DTR2G
19129911934(手机优先微信同号)
19129491934(手机优先微信同号)