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    | Partname: | U840B-FP |  | Description: | Digital / Wipe-Wash Control for Rear or Front Wiper |  | Manufacturer: |  |  | Datasheet: | PDF (169K). Click here to download *)
 |  | The circuits U840B (DIP8) and U840B-FP (SO8) are designed as interval wipe/ wash timer for automotive applications. The interval pause t3 can be set in a range from 0.8 s to 22 s by an external 30 kW potentiometer. All other time periods are determined by the basic frequency f0 of the oscillator. The wipe/ wash (WIWA) mode has priority over the interval mode. The program Pin PP controls, whether the wiper immediatly starts to wipe, or |  |  Click here to download U840B-FP Datasheet*)
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