17.35 An NMOS transistor with kn = 0.4 mA/V2 and a nominal Vtn of 0.4 V is to operate in saturation at ID = 0.2 mA.
(a) If Vtn can vary by as much as ±10%, what is the expected range of ID obtained?
(b) If the transistor is used to discharge a 100-fF load capacitance, what is the expected variation in delay time, assuming that the output voltage is to change by 0.1 V?
(a) 0.184 to 0.216 mA (b) 46.3 to 54.3 ps
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