Thursday, July 26, 2012

Difference between Level Triggered and Edge Triggered


Level Trigger:
1) The input signal is sampled when the clock signal is either HIGH or LOW.
2) It is sensitive to Glitches.
Example: Latch.

Edge Trigger:
1) The input signal is sampled at the RISING EDGE or FALLING EDGE of the clock signal.
2) It is not-sensitive to Glitches.
Example: Flipflop.

I m sure the timing diagrams below is the best way of explanation.





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