Why are the maximum value of VOL and the minimum value of VOH used to determine the noise margin rather than the typical values for these parameters?

Question

Admin · Accepted Answer

these are worst-case conditions.

Admin · Answer

these are normal conditions.

Admin · Answer

these are best-case conditions.

Admin · Answer

it doesn	 matter what values are used.

Q. Why are the maximum value of VOL and the minimum value of VOH used to determine the noise margin rather than the typical values for these parameters?