EE477_hw3_nazarian_spring2009

# EE477_hw3_nazarian_spring2009 - EE 477L Homework 3 Spring...

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EE 477L Homework 3 Spring ’09 Nazarian Name: _________________________________________ Lecture 9:30 Assigned: Tuesday Feb. 24, 2009 Due: March 6, 2009 EEB340 at 11am Score: ________ Show and explain your work clearly and in detail . Write the parameter units right beside their numerical values in your equations to show that the final result has the right unit (e.g., for N A =10 17 1/cm 3 write N A /q as 10 17 [cm -3 ] / 1.6×10 -19 [C] = 10 17 /(1.6×10 -19 ) [ 1/(cm 3 C) ] .) 1. Figure 1 shows an enhanced-load NMOS inverter. Assume γ =0.4, 2| φ f|=0.6V, V T0 =0.43V k n ’=115μA/V 2 and λ =0, (Note: all the following questions are adopting this information unless otherwise stated), calculate V OH , V OL , V M for the inverter and also the noise margin. Figure 1 2. Consider a standard CMOS inverter with V OH =2V, V OL =0.1V, while its V IH and V IL values are the same as those for the inverter in question 1. Comment on and compare the robustness of the two inverters. 3. A static CMOS inverter is given with size values W

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EE477_hw3_nazarian_spring2009 - EE 477L Homework 3 Spring...

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