Datasheet4U Logo Datasheet4U.com

EM91440D Datasheet Tone/pulse Switchable Dialer With Lcd Interface And Dual-tone Melody Generator

Manufacturer: ELAN Microelectronics Corp

Overview: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR AND DUAL-TONE MELODY GENERATOR EM91440 SERIES EM91440 SERIES.

Datasheet Details

Part number EM91440D
Manufacturer ELAN Microelectronics Corp
File Size 175.74 KB
Description TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
Datasheet EM91440D_ELANMicroelectronicsCorp.pdf

General Description

The EM91440 is a series of tone/pulse switchable dialers that is posed of T/P dialer and T/P dialer with 40-set memories.

The EM91440 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone ,and lock functions.

The lock function is designed to inhibit toll dialing operation.

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, lock dialing functions.
  • SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
  • Line hold function is designed for stopping conversation temporality.

More Datasheets from ELAN Microelectronics Corp

Part Number Description
EM91440A TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440B TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440C TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91420A TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91420B TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91420C TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91420D TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91450A TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
EM91450B TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION
EM91450C TONE/PULSE DIALER WITH LCD INTERFACE AND I.P.P. DETECT FUNCTION

EM91440D Distributor