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W91473A - 14-MEMORY TONE/PULSE SWITCHABLE DIALER

This page provides the datasheet information for the W91473A, a member of the W91473 14-MEMORY TONE/PULSE SWITCHABLE DIALER family.

Description

The W91473 series are Si-gate CMOS IC tone/pulse switchable dialers containing a 14-channel automatic dialing memory, including a 16-digit × 3 emergency dialing memory and a 16-digit × 10 channel repertory memory that provides a 32-digit mercury memory.

Features

  • DTMF/Pulse switchable dialer.
  • 32-digit LNB (last number buffer) memory.
  • 32-digit mercury memory.
  • 16-digit × 3 one-touch direct repertory memory.
  • 16-digit × 10 direct repertory memory.
  • Uses 7 × 5 keyboard.
  • Flash time: 98 mS, 305 mS, or 600 mS (selectable by keypad option).
  • Minimum tone output duration: 93 mS.
  • Minimum intertone pause: 93 mS.
  • On-chip power-on reset.
  • Uses 3.579545 MHz crystal or cera.

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Full PDF Text Transcription

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W91473 SERIES 14-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND LOCK FUNCTIONS GENERAL DESCRIPTION The W91473 series are Si-gate CMOS IC tone/pulse switchable dialers containing a 14-channel automatic dialing memory, including a 16-digit × 3 emergency dialing memory and a 16-digit × 10 channel repertory memory that provides a 32-digit mercury memory. These dialers also provide flash, clear, hold, lock, and one-key redial functions.
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