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W91521N, W91520N - TONE/PULSE DIALER

Winbond

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W91521N Datasheet Preview — This datasheet PDF includes multiple part numbers: W91521N, W91520N. Please refer to the document for exact specifications by model.

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Datasheet Details

Part number	W91521N, W91520N
Manufacturer	Winbond
File Size	162.73 KB
Description	TONE/PULSE DIALER
Datasheet	W91520N-Winbond.pdf
Note	This datasheet PDF includes multiple part numbers: W91521N, W91520N. Please refer to the document for exact specifications by model.

W91521N Product details

Description

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

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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Published: Feb 1, 2018 |