反相器设计 candence.docx
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反相器设计 candence.docx
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反相器设计candence
Experimentone:
inverterdesign
●Thepurposeoftheexperiment
1、Learningandmasteringthecadencegraphicalinputandsimulationmethod;
2、mastertheprincipleanddesignmethodofbasicinverter;
3、masterinvertervoltagetransmissioncharacteristiccurveofVTCtestmethod
●Experimentalcontent
Thisexperimentismainlyusingcadencesoftwaretodesignabasicinverter,andthesimulationtoolanalogartist(spectre)totesttheinvertervoltagetransfercharacteristiccurve,andrenderingandinverterlayoutverification
●Experimentalprocedure
1.Theinverterprincipledrawinginthecadenceenvironmentasshowninthefigure.
2.
SimulationofthevoltagetransfercharacteristiccurveofINV
3.
Inthefigurechosentoconnecttheinputandoutputoftheinverterwiresimulation
4.
simulationresult
5.Outputwaveform
6.DrawaCMOSinverter.Paintinglayoutshouldbestrictlyfollowingthedesignrules(tsmc0.25rule.pdf),thatis,tomeettheminimumspacing,minimumbounding,minimumextension,minimumwidth,etc..Thedrawingprocessofinverterlayout
7.DRC(designrulecheck)Designrulecheck
●Experimentalsummary
Throughtheexperiment,Ilearnedhowtousethecadencedesignofinvertercircuit,andsimulation,andalsolearnthedrawingandinverterlayoutverification,makemehaveamoreprofoundunderstandingofthecircuitsimulation.Theseexperienceswillbenefitmeinmystudyandworkinthefuture.
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