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HEF4040 Datasheet

Part NameHEF4040 Philips
Philips Electronics Philips
Description12-stage binary counter
HEF4040 Datasheet PDF : HEF4040 pdf     
HEF4040B image

The HEF4040B is a 12-stage binary ripple counter with a clock input (CP), an overriding asynchronous master reset input (MR) and twelve fully buffered outputs (O0 to O11). The counter advances on the HIGH to LOW transition of CP. A HIGH on MR clears all counter stages and forces all outputs LOW, independent of CP. Each counter stage is a static toggle flip-flop. Schmitt-trigger action in the clock input makes the circuit highly tolerant to slower clock rise and fall times.

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