W91531LN Similar

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W91531LN Datasheet and W91531LN manual

Manufacturer : Winbond 

Packing : P-DIP18 

Pins : 18 

Temperature : Min -20 °C | Max 70 °C

Size : 250 KB

Application : 13-memory tone/pulse dialer with save, keytone and handfree functions 

W91531LN PDF Download