EM91220A TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

ELAN Microelectronics Corp

Description

TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE EM91220 SERIES EM91220 SERIES GENERAL .
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 .

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Datasheet Specifications

Part number: EM91220A
Manufacturer: ELAN Microelectronics Corp
File Size: 145.57 KB
Datasheet: EM91220A_ELANMicroelectronicsCorp.pdf
Description: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

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 ti

Applications

* 10.1.1997
* This specification are subject to be changed without notice. 4 EM91220 SERIES TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE Method 1
* To select Pulse or Tone mode.
* Off-hook (or turn on HF function), push d1, d2, . . , dn. The numbers d1, d2, . . , dn will be dia

EM91220A Distributors

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EM91220A TONE PULSE SWITCHABLE DIALER WITH LCD INTERFACE ELAN Microelectronics Corp

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