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Partname:W91576DNF
Description:23-memory tone/pulse dialer with autoredial RTC and LCD display functions
Manufacturer:Winbond Electronics
Package:QFP80
Pins:80
Oper. temp.:0 to 70
Datasheet:PDF (709K).
Click here to download *)

The W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing. They feature 23 number memories and a 16-digit LCD driver for displaying telephone numbers and calling time. A real time clock is included to display the time of day. The W91570DN series is fabricated using CMOS technology providing good performance in low voltage, low power applications.

Click here to download W91576DNF Datasheet
Click here to download W91576DNF Datasheet
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