SC91214 Datasheet - Silan Microelectronics

SC91214 TONE/PULSE DIALER

The SC91214/15 Series is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHZ crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multifrequency (DTMF) dialing. A standard 4 X4 matrix keyboard can be used to support either DP or DTMF m.

SC91214 Features

* One touch redial operation

* Tone/Pulse switchable

* 32 digit capacity for redialing

* Automatic mixed redialing (last number redial) of pulse to DTMF with multiple automatic access pauses

* PABX auto-pause is 2.2 seconds ORDERING INFORMATION

* DTMF Timing: Manual di

SC91214-SilanMicroelectronics.pdf