Description
The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator.
Features
- T One touch redial operation T Tone/Pulse switchable T 32 digit capacity for redialing T Automatic mixed redialing (last number redial) of pulse T PABX auto-pause is 2.2 seconds T DTMF Timing: T
to DTMF with multiple automatic access pauses Manual dialing: minimum duration for bursts and pauses Redialing: calibrated timing Hands-Free control function
T Wide operating voltage range: 2V to 5.5V T Key-in beep tone output T Digits dialed manually after redialing are T T T T
cascadable and stored.
NT91215 Datasheet
