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W91473L - 14-MEMORY TONE/PULSE SWITCHABLE DIALER

Download the W91473L datasheet PDF. This datasheet also covers the W91473 variant, as both devices belong to the same 14-memory tone/pulse switchable dialer family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (W91473-Winbond.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number W91473L
Manufacturer Winbond
File Size 226.29 KB
Description 14-MEMORY TONE/PULSE SWITCHABLE DIALER
Datasheet download datasheet W91473L Datasheet

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.

Overview

W91473 SERIES 14-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND LOCK FUNCTIONS.

Key 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.