W91550 series datasheets. Manufacturer: Winbond Electronics.

W91550DNF 10-memory tone/pulse dialer with LCD and lock functions in 64-pin QFP64 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91550DNF-1 10-memory tone/pulse dialer with LCD and lock functions in 64-pin QFP64 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91550DNH 10-memory tone/pulse dialer with LCD and lock functions in 64-pin QFP64 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91550DNH-1 10-memory tone/pulse dialer with LCD and lock functions in 64-pin QFP64 package. Operational temperature range from -20°C to 70°C. Datasheet*) W91550DN 13-MEMORY TONE/PULSE DIALER WITH LCD AND LOCK FUNCTION Datasheet*)

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