EE2301HW5F09Sol

EE2301HW5F09Sol - Department of Electrical and Computer...

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1 Department of Electrical and Computer Engineering University of Minnesota EE2301 Fall 2009 Introduction to Digital System Design L. L. Kinney Problem Set V Solutions Due Thurs. Oct. 22, 2009 prior to the beginning or immediately after class. Please put your EE 0301 Discussion Section number (1, 2, 3, 4 or 5) ( not your EE 2301 Laboratory Section number) on your homework. 1. Construct a 16-to-1 multiplexer in the following three ways. Label the select lines S 3 , S 2 , S 1 , S 0 and the inputs I 15 , I 14 , …, I 0 . Assume all outputs are active high; there are no enables. In each case minimize the number of multiplexers. (a) Using only 2-to-1 multiplexers and no other logic. (b) Using only 2-to-1 and 4-to-1 multiplexers and no other logic. (c) Using only 2-to-1 and 8-to-1 multiplexers and no other logic. (a) 0 Z I 0 I 1 I 0 Z I 2 I 3 0 Z I 4 I 5 I 0 Z I 6 I 7 I 0 Z I 8 I 9 I 0 Z I 10 I 11 I 0 Z I 12 I 13 I 0 Z I 14 I 15 I 0 Z 0 Z I 0 Z 0 Z I 0 Z I 0 Z I 0 Z
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2 (b) I 0 I 1 I 2 I 3 I 0 I 1 I 2 I 3 S 0 S 1 I 4 I 5 I 6 I 7 I 0 I 1 I 2 I 3 S 0 S 1 I 8 I 9 I 10 I 11 I 0 I 1 I 2 I 3 S 0 S 1 I 12 I 13 I 14 I 15 I 0
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This note was uploaded on 12/20/2009 for the course EE 2301 taught by Professor Larrykinney during the Fall '09 term at Minnesota.

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EE2301HW5F09Sol - Department of Electrical and Computer...

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