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W91321A - TONE/PULSE DIALER

This page provides the datasheet information for the W91321A, a member of the W91320N TONE/PULSE DIALER family.

Datasheet Summary

Description

The W91320N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing.

The W91320N series provide one-key redial, handfree dialing, hold, redial, and lock functions.

Features

  • DTMF/pulse switchable dialer.
  • 32-digit redial memory.
  • Pulse-to-tone (.
  • /T) keypad for long distance call operation.
  • Uses 5 × 5 keyboard.
  • Easy operation with redial, flash, pause, and.
  • /T keypads.
  • Pause, pulse-to-tone (.
  • /T) can be stored as a digit in memory.
  • 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out.
  • Off-hook delay 300 mS in lock mode ( DP will keep low for 300 mS while off.

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Datasheet preview – W91321A

Datasheet Details

Part number W91321A
Manufacturer Winbond
File Size 186.37 KB
Description TONE/PULSE DIALER
Datasheet download datasheet W91321A Datasheet
Additional preview pages of the W91321A datasheet.

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Full PDF Text Transcription

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W91320N SERIES TONE/PULSE DIALER WITH HANDFREE LOCK AND HOLD FUNCTIONS GENERAL DESCRIPTION The W91320N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. The W91320N series provide one-key redial, handfree dialing, hold, redial, and lock functions.
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