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EM91220 Datasheet Tone/pulse Switchable Dialer With Lcd Interface

Manufacturer: ELAN Microelectronics Corp

Overview: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE EM91220 SERIES EM91220 SERIES.

Datasheet Details

Part number EM91220
Manufacturer ELAN Microelectronics Corp
File Size 145.57 KB
Description TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
Datasheet EM91220_ELANMicroelectronicsCorp.pdf

General Description

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 .

The EM91220 series provides necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone , mute and pulse mute functions.

Beside this, SDO (Serial Data Output) functions is provided in advance version that is designed to drive LCD driver and voice synthesizer.

Key Features

  • 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.

EM91220 Distributor & Price

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