ECEN 454 Digital Integrated Circuit Design Fall 2007Homework 4 Due on October 19, Friday1.(5 points) Prob. 5.1 of the textbook. 2.(5 points) An enhancement-type nMOS load inverter (see figure below) has the following device parameters: VVT8.00=, 2/0.45VACoxnμμ=0=λ(no channel length modulation) VDD= 5V. Assume that the body-effect can be neglected. a)Compute VOH, VOLand noise margins. b)Assume that the input is a logic “1” (Vin= VOH) for 50% of time. Compute the DC power consumption of the inverter.
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