全新SN65ALS180DG4 SN65ALS180DE4 SN65ALS180ADR SN65ALS176DG4

SN75LBC180ADR SN65ALS180D OPA4364AQDRQ1 SN75182D

SN75ALS199DR/197/194/193/192/191/180/176/ADR/SN65ALS1176DR原

RS232接口IC SN75C189ADR SN75C189DR SN65ALS180D