Lect4 - 2

Lect4 - 2 - EE 316 - Digital Logic Design Lecture 4 Nur A....

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EE 316 - Digital Logic Design Lecture 4 Nur A. Touba University of Texas at Austin

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DESIGNING SINGLE-OUTPUT CIRCUIT Three Main Steps Find switching function that specifies desired behavior Find simplified algebraic expression for function Realize simplified function using available logic elements
ENGLISH TO BOOLEAN EQUATIONS “Car accelerates if gas pedal pushed and parking break off”

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ENGLISH TO BOOLEAN EQUATIONS “Alarm will ring iff alarm switch on and door not closed, or after 6pm and window not closed”
DESIGN USING TRUTH TABLE A, B, C represent Binary number N Output = 1 if N 011 2

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PRODUCT-OF-SUMS
MINTERMS AND MAXTERMS Minterm of n variables Product of n literals, each variable appears once Maxterm of n variables Sum of n literals, each variable appears once

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MINTERM EXPANSION Minterm Expansion or Standard SOP Function written as sum of minterms Example f(A,B,C) = m 3 + m 4 + m 5 + m 6 + m 7 f(A,B,C) = Σ m(3,4,5,6,7)
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This note was uploaded on 11/30/2010 for the course EE 316 taught by Professor Brown during the Fall '08 term at University of Texas.

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Lect4 - 2 - EE 316 - Digital Logic Design Lecture 4 Nur A....

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