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ID:27867735
大小:2.43 MB
页数:42页
时间:2018-12-06
《电子专业参赛课件 数字电子技术(课件)lec08》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2021/10/3Chapter5CombinationalLogicAnalysis1Chapter5OutlineLecture8:CombinationalLogicAnalysis--15-1BasicCombinationalLogicCircuits.5-2ImplementingCombinationalLogic.****CombinationalLogicDesignExample.5-3TheuniversalpropertyofNANDandNORgates.5-4CombinationallogicusingNANDandNORgates.5-5logiccircuit
2、operationwithpulsewaveforminputs.****Theconceptofraceandstatichazard.Lecture8Lecture92021/10/3Chapter5CombinationalLogicAnalysis2KeyKnowledgeinLecture8Lecture8:CombinationalLogicAnalysis--1Basiccombinationallogiccircuit;SOPExpressionImplementationtoLogicCircuit;Thegeneralproceduresfordesigningandana
3、lyzingcombinationallogiccircuits.Developcertainskillsforlogicabstraction;ApplicationsofBooleanalgebraandKarnaughmapinlogicdesignandanalysis;Understandthetrafficlightfaultdetectionsystemandcomputerball-takinggamedesignexamples.DifficultTopics:Logicfunctionformmutualconversion;Logicabstraction.2021/10
4、/3Chapter5CombinationalLogicAnalysis3BasicCombinationalLogicCircuitsLecture8:CombinationalLogicAnalysis--1AND-ORLogic2021/10/3Chapter5CombinationalLogicAnalysis4TruthtablefortheAND-ORlogicofpreviousfigureLecture8:CombinationalLogicAnalysis--1INPUTSABCDABCDOUTPUT00000001001000110100010101100111100010
5、01101010111100110111101111000000010000000100000001101010110001000100011111Fora4-inputAND-ORlogiccircuit,theoutputXisHIGHifbothinputAandBareHIGHorbothinputCandDareHIGH.2021/10/3Chapter5CombinationalLogicAnalysis5AND-ORLogicCircuitDesignExampleLecture8:CombinationalLogicAnalysis--1Thechemicalisstoredi
6、nthreedifferenttanks.Alevelsensorineachtankproducesahighvoltagewhenthelevelofchemicalinthetankdropsbelowaspecifiedpoint.Designacircuitthatmonitorsthechemicallevelineachtankandindicateswhenthelevelinanytwoofthetanksdropsbelowthespecifiedpoint.sensorChemicalLOW,sensorHIGHIftwotanksoutofthreeareLOW,the
7、nalarm.2021/10/3Chapter5CombinationalLogicAnalysis6DesignSolutionofTankLevelIndicatorLecture8:CombinationalLogicAnalysis--1Seedesigndemonstrationprocess.2021/10/3Chapter5CombinationalLogicAnalysis7Bas
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