W9145 series datasheets. Manufacturer: Winbond Electronics.

W9145 15-memory tone/pulse dialer with lock and handfree functions in 22-pin DIP22 package. Operational temperature range from -20°C to 70°C. Datasheet*) W9145A 15-memory tone/pulse dialer with lock and handfree functions in 24-pin DIP24 package. Operational temperature range from -20°C to 70°C. Datasheet*) W9145AL 15-memory tone/pulse dialer with lock and handfree functions in 24-pin DIP24 package. Operational temperature range from -20°C to 70°C. Datasheet*) W9145L 15-memory tone/pulse dialer with lock and handfree functions in 22-pin DIP22 package. Operational temperature range from -20°C to 70°C. Datasheet*)

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