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Project_LoPo_Fall2011 - voltages 2.0V 1.5V 1.0V and 0.5V In...

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ELEC 5270-001/6270-001 Low Power Design of Electronic Circuits Spring 2011 Class Projects Assigned 4/8/11, final report due 4/27/11 Instructions: 1. In this project the student will conduct a computer simulation study of a digital circuit to measure, analyze and understand the energy dissipation. 2. Each student should carry out the project either individually or in a group of size not exceeding two students. 3. The student (or group) should select a circuit from the choices given in the project description. A circuit outside those listed will require instructor’s approval. 4. As an alternative to the given project description, a student can select any other problem with the consent of the instructor. Project Description: Design one of the following circuits: 1. 32-bit adder 2. 32-bit integer multiplier Or choose one of the following ISCAS85 benchmark circuits: 1. C2670 2. C3540 3. C5315 4. C6288 5. C7552 Simulate your circuit for a set of vectors containing at least 100 random vectors using spice simulator. Use 0.18 micron CMOS technology. Repeat simulation for supply
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Unformatted text preview: voltages 2.0V, 1.5V, 1.0V and 0.5V. In each case: a. Determine the critical path delay and adjust the vector period suitably for the delay of the circuit. b. Verify that the logic function remains unchanged. c. Examine the glitch behavior of a selected signal. d. Measure the average energy consumption per vector. Determine the values of the relevant parameters, such as total node capacitance, activity factor and total switched capacitance. e. Assuming that leakage and short circuit components are negligible, verify that the dynamic energy varies as square of the supply voltage. Report: Each student (or group) should prepare a report describing the objective of work, procedures followed, tools used, results and inferences. Do not attach printouts. Instead, include tables, graphs, and circuit or block diagrams. Relevant references should be listed. The report should be 4 to 8 pages long....
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