XR-T5992 Datasheet | Exar

DESCRIPTION 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 feature . The XR-T5992 is available in a 18 pin package. FUNCTIONAL BLOCK DIAGRAM 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 patible with MK50992 APPLICATIONS Electronic Telephones Smart Modems (Auto Dialer) Security Controller ORDERING INFORMATION Part Number XR-T5992CP XR-T5992CN Package Plastic Ceramic Operating Temperature O°C to 70°C O°C to 70°C ABSOLUTE MAXIMUM RATINGS DC...