W91820 series datasheets. Manufacturer: Winbond Electronics.

W91820ALN 13-memory tone/pulse dialer with handfree, lock and hold functions in 22-pin P-DIP22 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91820AN 13-memory tone/pulse dialer with handfree, lock and hold functions in 22-pin P-DIP22 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91820LN 13-memory tone/pulse dialer with handfree, lock and hold functions in 20-pin P-DIP20 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91820N 13-memory tone/pulse dialer with handfree, lock and hold functions in 20-pin P-DIP20 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91822AN 13-memory tone/pulse dialer with handfree, lock and hold functions in 22-pin P-DIP22 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91822N 13-memory tone/pulse dialer with handfree, lock and hold functions in 20-pin P-DIP20 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91824AN 13-memory tone/pulse dialer with handfree, lock and hold functions in 22-pin P-DIP22 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91824N 13-memory tone/pulse dialer with handfree, lock and hold functions in 20-pin P-DIP20 package. Operational temperature range from -20°C to 70°C. Datasheet*)

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