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W91520N - TONE/PULSE DIALER

Description

The W91520N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing.

The W91520N series provide one-key redial, handfree dialing, hold, save, and redial functions.

Features

  • DTMF/pulse switchable dialer.
  • Two by 32-digit redial and save 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.
  • On-hook debounce time: 150 mS.
  • Dialing rate (10 ppS, or 20 ppS) selectable by bonding option.
  • Minimum tone output duration: 93 msec.

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Datasheet preview – W91520N

Datasheet Details

Part number W91520N
Manufacturer Winbond
File Size 162.73 KB
Description TONE/PULSE DIALER
Datasheet download datasheet W91520N Datasheet
Additional preview pages of the W91520N datasheet.

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Full PDF Text Transcription

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W91520N SERIES TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTIONS GENERAL DESCRIPTION The W91520N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. The W91520N series provide one-key redial, handfree dialing, hold, save, and redial functions. FEATURES • DTMF/pulse switchable dialer • Two by 32-digit redial and save 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 • On-hook debounce time: 150 mS • Dialing rate (10 ppS, or 20 ppS) selectable by bonding option • Minimum tone output duration: 93 msec. • Minimum intertone pause: 93 msec. • Flash break time (73, 100, 300, 600 msec.
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