Bcd Small

Bcd Small

if the duration of the reset signal is small can this be a problem in high speed circuits?

this is for a bcd counter

Yes. If the reset is used synchronously, a short reset signal can be a problem -- e.g. if the reset signal width is shorter that the counter clock period, the counter won't reset reliably because the signal might not be present when the active clock edge occurs.

It can also be a problem if used asynchronously, if it is too short for the counter to recognize -- e.g. if the counter specs a minimum reset pulse width of 10 nanoseconds and the reset pulse is only 5 nanoseconds. While the counter might operate, it is only guaranteed to operate when the pulse is 10 nanoseconds, so again it might not be reliable.

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