SN74LV74AD
SN74LV74ADB
SN74LV74ADBE4
SN74LV74ADBG4
SN74LV74ADBR
SN74LV74ADBRE4
SN74LV74ADBRG4
SN74LV74ADE4
SN74LV74ADG4
SN74LV74ADGVR
19129491934(手机优先微信同号)