SN74HC74AN
SN74HC74ANE4
SN74HC74ANS
SN74HC74ANSE4
SN74HC74ANSG4
SN74HC74ANSR
SN74HC74ANSRG4
SN74HC74APW
SN74HC74APWE4
SN74HC74APWG4
19129911934(手机优先微信同号)