Ch03b-CombinationalDesign

Ch03b-CombinationalDesign - Clark Guest 2009 ECE 25 Logic...

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©Clark Guest 2009 ECE 25 Logic and Computer Design Verifcation Manual Derive the the algebraic equations From the logic diagram, or Work through the circuit with each input combination to regenerate the truth-table Simulation Enter the circuit into a soFtware tool and let it do the work 7 ©Clark Guest 2009 ECE 25 Logic and Computer Design Selection A B C S C = A•S’ + B•S A B S C ©Clark Guest 2009 ECE 25 Logic and Computer Design Decoder A B 0 1 1 to 2-line decoder A 0 1 2 3 2 to 4-line decoder (crossing wires do not connect) ©Clark Guest 2009 ECE 25 Logic and Computer Design Decoding with Enable B A 0 1 2 3 2 to 4-line decoder with enable EN
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©Clark Guest 2009 ECE 25 Logic and Computer Design Multiplexer or Mux B A W X Y Z Data Out Data In Select 4 to 1 Multiplexer A B Data Out 0 0 W 0 1 X 1 0 Y 1 1 Z ©Clark Guest 2009 ECE 25 Logic and Computer Design Demultiplexer or Demux B A 0 1 2 3 1 to 4 line demultiplexer Data ©Clark Guest 2009 ECE 25 Logic and Computer Design
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This note was uploaded on 11/03/2009 for the course ECE ECE25 taught by Professor Bill lin during the Fall '09 term at UCSD.

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Ch03b-CombinationalDesign - Clark Guest 2009 ECE 25 Logic...

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