ISDN S/T HDLC IC, 1-Line, 192Kbps, 5V, 64-Pin MQFP
DATACOM, ISDN CONTROLLER, PQFP64, PLASTIC, MQFP-64
ISDN Subscriber Access Controller
ISDN Controller, 1-Func, PQFP64, PLASTIC, MQFP-64
ISDN Controller, 1-Func, PQFP64,
