hw5p1 - ) ( ) F A B C D B D A B C A C D B D A B C A C D = +...

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McKinney, Nickolas ECE171 pg 1of1 Homework5 Problem 1 Problem Statement: Does the circuit below have any logic hazards? If so, identify them and give a logic hazard free function that is equivalent. Diagram: B D A B C A C D F Assumptions: The diagram is in NAND/NAND form. The diagram provides enough information to provide a logic hazard free function. Solution: µ µ µ µ µ · µ µ µ Static Logic Hazard Free Function ( , , , ) ( ) (
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Unformatted text preview: ) ( ) F A B C D B D A B C A C D B D A B C A C D = + + + + + = + + g g g g g g g Check Kmap for gates that provide a static logic hazard cover term for F. 00 01 11 10 00 01 11 10 AB CD 1 0 0 0 1 1 1 1 1 0 1 1 P1 P2 P3 P4 P5 Kmap Problem1 *Notice that static logic hazards cover terms P4 and P5 (represented with dotted circling). To eliminate this use the Chain Link Rule....
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