F2012-216A-Midterm - University of California Los Angeles...

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EEM216A: FALL 2012 MIDTERM 1 University of California, Los Angeles Henry Samueli School of Engineering and Applied Science Electrical Engineering Department D. Marković MW 10-11:50am Wed (11/7), 10-11:50am EEM216A: FALL 2012 MIDTERM NAME Last First SID Neighbor | left [Last name, First name] Neighbor | right [Last name, First name] Please write answers in the box provided. Answers elsewhere will not be graded. Problem 1 _____/10 Problem 2 _____/15 Problem 3 _____/15 Problem 4 _____/10 Total (50) You have 110 minutes. The test is planned so that you spend about 2 minutes per point + 10 minutes to check your answers. Budget your time properly. If you get stuck, move on… Good luck!
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EEM216A: FALL 2012 MIDTERM 2 Problem 1: Technology Scaling (10 pts) Scaling faces the issues of having to keep a constant V T (instead of scaling V T ) in order to maintain low leakage current. A possible way is to keep voltages (V DD , V T ) constant while scaling all dimensions (W, L, t ox ). The price is that the higher electrical-field causes the carrier velocity to saturate. Assume the scaling factor is S (where S > 1).
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