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时间:2021-04-16
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1、个人收集整理勿做商业用途Experiment9CombinatorialLogicCircuitsIObjectives1Tounderstandtheconfigurationsofintegratedcircuits;2ToverifythelogicfunctionsofTTL,CMOSintegratedcircuits;3Tounderstandthelogicfunctionsoffull—adderandhalf—adderandknowhowtoimplementbylogicelements;4T
2、oholdthemethodsofdesigningandimplementingcombinatoriallogiccircuits。IIApparatusandEquipmentsNameSpec.Number1DCsource12analogexperimentsystemMES—Ⅳ13Multi-meter14Integratedcircuits4×twoinputs“NAND”gate74LS00154×twoinputs“NOR”gate74LS0216Doublefour—inputs“NAND”ga
3、te74LS20174×twoinputs“AND”gate74LS08186×inverter74LS04194×twoinputs“OR"gate74LS321104×twoinputs“exclusive—OR"gate74LS86111Doublefour—inputs“NOR”gateCD40021IIIPrincipleoftheExperiment1Tostudytheconfigurationsofthechips;2Tofillinthevacancies1)Theoperationvoltage
4、ofthe74LSTTLintegratedcircuit(),thelogichighlevelofvoltage1is()volts,thelogiclowlevelofvoltage0is()volts;2)Ifthereisnoinputsignal,TTLgatecircuitcanberegardedas();anditcan个人收集整理勿做商业用途beregardedas()whenitispulledoutfromorinsertedintoslots.3)CMOSintegratedcircuit
5、s:A。thevoltagerangeofCD4000seriesis();B。thevoltagerangeofCD000seriesis();3Todesignavote-circuitwiththreeinputsandoneoutput,ofwhichtheoutputfollowsthemostofinputs:1)ListthelogictableandgivethesimplestlogicexpressionswithAND—ORgates;2)Implementthecircuitwiththeg
6、ivenchipsanddrawthelogicdiagram(thechipsandgatesarelimitedtoleast);3)Verifythefunctionanddrawthestate—table;4Todesignahalf—adder(therequirementsshouldbesameasthatofprocedure“3”);5Todesignafull-adderTodesignahalf-adder(therequirementsshouldbesameasthatofprocedu
7、re“3”);6Todesignalogicanswer—circuit:threeinputsareA,B,andC;threeoutputsare,,and;andthelogicrelationshipare=A··,=B··,and=C··inputsoutputsABC100100010010001001个人收集整理勿做商业用途IVLabWork1LogicfunctionsverificationofTLLgatecircuits;2LogicfunctionsverificationofCMOSgat
8、ecircuits;3Logicfunctionstestoflogicvote—circuit;4Logicfunctionsverificationofthehalf-adder&full—adder;5Logicfunctionsverificationoflogicanswer-circuit。VRequirementsoftheExperiment
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