EM91240A Datasheet (ELAN Microelectronics Corp) - TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

EM91240A, TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE

The EM91240 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with 40-set memories.

The EM91240 series provides necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone

EM91240A 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