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Tool/software:
I designed a circuit using a TLC555 timer. Trigger input connect 5V(fault detect signal)
-> When a fault occurs (5V->0), a trigger is generated, and when FLT is restored (0->5V), a 2-second delay occurs through the RC time constant.
I expected that when a fault occurs and recovery is made, the output would be restored with a 2 second delay.
However, when FLT occurs and a certain amount of time passes(ex.10second) before it is restored, it is restored immediately without a 2-second delay.
After a short period of time(ex. 0.5second), when the restoration was complete, the 2-second timer started running.
Quesion: Why doesn't the delay work when the restore is done after a certain amount of time has passed since the trigger occurred?
This will result in the same result as not having a 555 timer.
