SN74ALS1240N
SN74ALS1244A-1N
SN74ALS1244ADW
SN74ALS1244ADWE4
SN74ALS1244ADWG4
SN74ALS1244ADWR
SN74ALS1244ADWRE4
SN74ALS1244ADWRG4
SN74ALS1244AN
SN74ALS1244ANE4
19129491934(手机优先微信同号)