hw12_SLN - ECE 211 HW 12 SOLUTIONS p 1 of 5

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HW 12 SOLUTIONS p 1 of 5 //home/vdimitrov/4427/bd4085b8b7518c42929723084a914be9e094fa8a.doc HW 12 – SOLUTIONS 1. Determine the minimum size of the ROM needed to realize: (a) The expressions given in HW Set 9, Problem 4. (b) The Barrel Shifter circuit described in HW Set 9, Problem 5. (c) The Parity Detector circuit described in HW Set 9, Problem 6. (d) The circuit described in HW Set 10, Problem 1. (e) The circuit described in HW Set 10, Problem 3. Solution: (a) W = (a2 b2 c2 ) + (a1 b1 c1 ) + (a0 b0 c0 ) SA = (a2 b2 c2 ) a2 + (a2 b2 c2 )’ (a1 b1 c1 ) a1 + (a2 b2 c2 )’ (a1 b1 c1 )’ (a0 b0 c0 ) a0 SB = (a2 b2 c2 ) b2 + (a2 b2 c2 )’ (a1 b1 c1 ) b1 + (a2 b2 c2 )’ (a1 b1 c1 )’ (a0 b0 c0 ) b0 SC = (a2 b2 c2 ) c2 + (a2 b2 c2 )’ (a1 b1 c1 ) c1 + (a2 b2 c2 )’ (a1 b1 c1 )’ (a0 b0 c0 )
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This homework help was uploaded on 04/17/2008 for the course ECE 211 taught by Professor Nestor during the Fall '07 term at Lafayette.

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hw12_SLN - ECE 211 HW 12 SOLUTIONS p 1 of 5

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