MC74HC244ADT
MC74HC244ADTG
MC74HC244ADTR2
MC74HC244ADTR2G
MC74HC244ADW
MC74HC244ADWG
MC74HC244ADWR
MC74HC244ADWR2
MC74HC244ADWR2G
MC74HC244AELG
19129911934(手机优先微信同号)
19129491934(手机优先微信同号)