XR-T5992 Datasheet (Exar)

XR-T5992, Pulse Dialer

The XR-T5992 pulse dialer is a silicon gate CMOS integrated.circuit which converts push *button inputs into pulses to simulate a rotary telephone dial.

It is designed to operate directly from the telephone line and to meet telephone specifications.

A 17 digit buffer is provided for redialing feat

XR-T5992 Features

* Direct Telephone Line Operation Redial with Either a

* or #.Input Pin Selectable Mark/Space and Dialing Rate Inexpensive RC Oscillator Interface Directly to a.Standard Tel'ephone Push-button or Calcu lator Type X- Y Keyboard Mute Driver on Chip Pin-to-pin Compatible with MK50992 APPLICATIONS Ele