SN74HC393
SN74HC393AN
SN74HC393ANE4
SN74HC393ANS
SN74HC393ANSE4
SN74HC393ANSG4
SN74HC393ANSR
SN74HC393ANSRE4
SN74HC393ANSRG4
SN74HC393APW
19129491934(手机优先微信同号)