Lecture03WFFsAreCombCircs

# Lecture03WFFsAreCombCircs - Lecture 3 - CS 2603 Applied...

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CS2603 Applied Logic for Hardware and Software Rex Page – University of Oklahoma 1 Lecture 3 —CS 2603 Applied Logic for Hardware and Software WFFs = Combinational Circuits

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CS2603 Applied Logic for Hardware and Software Rex Page – University of Oklahoma 2 Gate Diagram –Logical And c i r u t h e P Q P Q False False False False True False True False False True True True Shape of symbol designates input/output behavior Math way EE way A B AB 0 0 0 0 1 0 1 0 0 1 1 1 INPUTS OUTPUT n p s o l f g & A B OUT IEC Symbol This course uses Math way and EE way, interchangeably Nobody uses these … Why? build gate as electrical circuit A B AB AND C T C T OUT A B
CS2603 Applied Logic for Hardware and Software Rex Page – University of Oklahoma 3 Gate Diagram –Logical Or >=1 A B OUT IEC Symbol P Q P Q False False False False True True True False True True True True A B A+B OR A B A+B 0 0 0 0 1 1 1 0 1 1 1 1 INPUTS OUTPUT c i r u t h e C T C T OUT A B build gate as electrical circuit

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CS2603 Applied Logic for Hardware and Software Rex Page – University of Oklahoma 4 Gate Diagram –Logical Not IEC Symbol P ¬ P False True True False A A NOT c i r u t h e OUT A INPUT OUTPUT A A 0 1 1 0 build gate as electrical circuit
CS2603 Applied Logic for Hardware and Software Rex Page – University of Oklahoma 5 Gate Diagram –Logical Nand P Q ¬ ( P Q) False False True False True True True False True True True False A B AB 0 0 1 0 1 1 1 0 1 1 1 0 INPUTS OUTPUT & A B OUT IEC Symbol NOT AA AND = AB A B A B OR AB = A+B A B A B AB A B AB NAND NAND is all you need

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## This note was uploaded on 04/08/2008 for the course CS 2603 taught by Professor Rexpage during the Spring '08 term at The University of Oklahoma.

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Lecture03WFFsAreCombCircs - Lecture 3 - CS 2603 Applied...

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