S E M I C O N D U C T O R HC-5509B3999-003 SLIC S.
HC-5509B - SLIC Subscriber Line Interface Circuit
HC-5509B3999-003 - SLIC Subscriber Line Interface Circuit
HC9P5509B3999-003 - SLIC Subscriber Line Interface Circuit
HC-5509B - ITU CO/Loop Carrier SLIC
