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IL91210EN

ETC
Part Number IL91210EN
Manufacturer ETC
Description TONE/PULSEDIALER
Published Sep 24, 2005
Detailed Description IL91210EN TONE/PULSEDIALER The IL91210EN is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscilla...
Datasheet PDF File IL91210EN PDF File

IL91210EN
IL91210EN

Overview
IL91210EN TONE/PULSEDIALER The IL91210EN is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.
58 MHz crystal or ceramic resonator.
It provides dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing.
A standard 4x4 matrix keyboard can be used to support either DP or DTMF modes.
Up to 32 digits can be saved in the on-chip RAM for reading.
In the DTMF mode, minimum tone duration and minimum intertone pause are provided for rapid dialing.
Maximum tone duration is dependent upon the key depression time in manual dialing.
• One touch redial operation • Tone/Pulse switchable • 32-digit capacity for redialing • Built-in power up reset circuit • PABX auto...


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