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W91578DN Datasheet 23-memory Tone/pulse Dialer

Manufacturer: Winbond

Overview: W91570DN SERIES 23-MEMORY TONE/PULSE DIALER WITH AUTOREDIAL RTC AND LCD DISPLAY FUNCTIONS.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing.

They

Key Features

  • Three by 32 digits for redial, save and mercury memory.
  • Twenty by 16 digits for one-touch direct or two-touch indirect repertory memory.
  • Uses 6 × 10 keyboard.
  • Pause, Pulse-to-tone (.
  • /T) and flash can be stored as a digit in memory.
  • Minimum tone output duration: 87 mS.
  • Minimum intertone pause: 87 mS.
  • Tone/Pulse mode pin selectable.
  • Make/Break ratio pin selectable.
  • Dialing rate (10 or 20 ppS) pin selectable.

W91578DN Distributor