Noise margin in Cmos ASIC design flow

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Accepted Answer

Noise margin in CMOS refers to the difference between the minimum input voltage required to change the logic state of a gate and the maximum input voltage that can be applied without causing an incorrect output.

Noise margin is important for ensuring reliable operation of CMOS circuits
It is typically defined as the difference between the high and low logic levels of the input signal
Noise margin can be affected by factors such as process variations, temperature, and power supply voltage
Examples of noise margin levels include NMH (high noise margin) and NML (low noise margin)