EM91220B - TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

Product Overview

ELAN Microelectronics Corp

Part number	EM91220B
Manufacturer	ELAN Microelectronics Corp
File Size	145.57 KB
Description	TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
Datasheet	EM91220B Datasheet
Additional preview pages of the EM91220B datasheet.

The EM91220 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with 20-set memories .

Tone/Pulse switchable.
Wide operating voltage from 2.0 V to 5.5 V.
Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.
Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate, M/B ratio, Flash time, Pause time, P-T wait time and keyboard type.
SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
Handfree function provides on-hook dialing and.

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Published: Apr 2, 2005 |