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IN5851 - PULSE DIALER WITH REDIAL

Description

NAME VCC PIN 1 Positive supply pin.

The voltage on this pin is measured relative to Pin 6 and is supplied from a 150µA current source.

This voltage should be regulated to less than 6.0 volts using on external form or regulation.

Features

  • required for implementing a pulse dialer with 32 digit redial.
  • Wide operating voltage range (2.0~6.0V).
  • Low power dissipation.
  • Use either a standard 2 of 7 matrix keyboard with negative true common or the inexpensive form A-type keyboard.
  • Make/Break ratio can be selected.
  • Redial with.
  • or #.
  • Continuous MUTE.
  • Power up clear circuitry on chip.
  • 10 pps/20 pps can be selected.

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Datasheet Details

Part number IN5851
Manufacturer Integral
File Size 302.24 KB
Description PULSE DIALER WITH REDIAL
Datasheet download datasheet IN5851 Datasheet

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Full PDF Text Transcription

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( DataSheet : www.DataSheet4U.com ) TECHNICAL DATA IN5851 PULSE DIALER WITH REDIAL The IN5851 is a monolithic CMOS integrated circuit which uses an inexpensive RC oscillator for its frequency reference and provides all the features required for implementing a pulse dialer with 32 digit redial. • Wide operating voltage range (2.0~6.0V) • Low power dissipation • Use either a standard 2 of 7 matrix keyboard with negative true common or the inexpensive form A-type keyboard • Make/Break ratio can be selected • Redial with * or # • Continuous MUTE • Power up clear circuitry on chip • 10 pps/20 pps can be selected ORDERING INFORMATION IN5851N Plastic TA = -20° to 70° C LOGIC DIAGRAM PIN ASSIGNMENT PIN 1 = VCC PIN 6 = GND www.DataSheet4U.com 1 www.DataSheet4U.
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