( DataSheet : www.
DataSheet4U.
com ) NT91214/15 Series Tone/Pulse Dialer 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 as additional digits for the next redialing Uses inexpensive ceramic resonator (3.
58 MHz) Two versions for different t...

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