SN74LVT32240GKER
SN74LVT32240ZKER
SN74LVT32244GKER
SN74LVT32244ZKER
SN74LVT543DW
SN74LVT543DWR
SN74LVT543PW
SN74LVT543PWR
SN74LVT573DB
SN74LVT573DB(LX573)
19129491934(手机优先微信同号)