Electronics > Beginners

Is there a way to prevent re-trigger on one-shot (555)?

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bitbanger:
Seems the 14538 is functionally the same, if not a little better performance wise..is this numbering scheme common (adding the 1 out front)? A way for a manufacture to pickup the series and give resemblance?

StillTrying:
After a hour of fiddling I quite like this version. :) The input triggers can be any width, if the input is kept at the triggered level it outputs a 50ms pulse every 2 seconds. Slow edges on the trigger might be a problem, set to 5us in the simulation.

tautech:
A simple 4013 one shot can be useful, Google it.
IIRC there are single flip flop IC's available rather than the 4013 dual data-type flip- flop.

schmitt trigger:

--- Quote from: bitbanger on January 12, 2019, 02:40:36 pm ---Seems the 14538 is functionally the same, if not a little better performance wise..is this numbering scheme common (adding the 1 out front)? A way for a manufacture to pickup the series and give resemblance?

--- End quote ---

Motorola semiconductor , nowadays OnSemi, does that

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