SC91215 dialer equivalent, tone/pulse dialer.
* One touch redial operation
* Tone/Pulse switchable
* 32 digit capacity for redialing
* Automatic mixed redialing (last number redial) of pulse to DTMF with
multipl.
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 k.
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