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W91312A

Part Number	W91312A
Manufacturer	Winbond
Description	TONE/PULSE DIALER
Published	Feb 1, 2018
Detailed Description	W91310 SERIES TONE/PULSE DIALER WITH REDIAL FUNCTION GENERAL DESCRIPTION The W91310 series are monolithic ICs that prov...
Datasheet	W91312A PDF File

Overview

W91310 SERIES TONE/PULSE DIALER WITH REDIAL FUNCTION GENERAL DESCRIPTION The W91310 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing.
The W91310 series feature a redial memory.
FEATURES • DTMF/Pulse switchable dialer • 32 digits for redial memory • Pulse-to-tone (P→T) keypad for long distance call operation • Break/Make ratio is selectable by pin option • Uses 4 × 4 keyboard • Easy operation with redial, flash, pause, and P→T keypads • Flash, pause, P→T (pulse-to-tone) can be stored as a digit in memory • Minimum tone output duration: 100 mS • Minimum intertone pause: 100 mS • On-chip power-on reset • Uses 3.
579545 MHz crystal or ceramic resona...

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