Chapter 2: Combinational Logic Design
1Digital DesignCopyright 2006Frank VahidDigital DesignChapter 2: Combinational Logic DesignCopyright 2006Frank VahidIntroductionDigital circuit Let s learn to Design digital circuits We ll start with a simple form of circuit: Combinational circuit A digital circuit whose outputs depend solely on the present combinationof the circuit inputs valuesCombinationaldigital circuit1ab1F01ab?F0Sequentialdigital DesignCopyright 2006Frank VahidSwitches Electronic switches are the basis of binary digital circuits Electrical terminology Voltage: Difference in electric potential between two points Analogous to water pressure Current: Flow of charged particles Analogous to water flow Resistance: Tendency of wire to resist current flow Analogous to water pipe diameter V = I * R (Ohm s Law) A2 ohms9V0V9V+ A4Digital DesignCopyright 2006Frank Va
12 Digital Design Copyright © 2006 Frank Vahid Converting to Boolean Equations • Q1. A fire sprinkler system should spray water if high heat is sensed and the ...
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