ECO技术在SoC芯片设计中的应用-王巍

CICChinalntegratedCirculthttp//·7·1ECO1RTLsign-offECOEngineeringChangeOrder。ECO。1ECO[1]。ECO。bugECORTLECO。ECOSoC*SoC、。ECOEngineeringChangeOrder。EDATimingExplorerECO。ECOTimingExplorerAbstract:AbouthalfofthedesignsneedtobefixedbecauseofverificationproblemsincurrentSoCdesign,includingfunctionproblems,timingproblemsandcrosstalkproblems.Theverificationjobiscarriedoutthroughoutthedesignflow,andECOEngineeringChangeOrderisusedtosolvetheproblemsfoundedinthelatephase.ThispaperfocusesonthepartoftheECOapplicationofEmpyreanEDAtoolsTimingExplorerintimingandcrosstalk.Keywords:ECOTimingcrosstalkEmpyreanTimingExplorer*———EDA2009ZX01035-001-007-234ChinalntegratedCircultCIC2012·7·http//。ECO。2ECOplace&routeECOSynopsysICCompilerECOECO。CadanceEDIplaceoptimizeECO。ECOECOCompilerConformalECO。ICExplorerTimingExplorerPhysicalAwareMultiCornerMultiModeMCMMCornerViewMCMM、、placeECOroutingECO、。TimingExplorerSynopsysPrimeTimeECO。MCMM。。SynopsysCadenceAPRMCMMViewView。View。。ICExplorerPT。View。MCMM。TimingExplorer2。TimingExplorerMCMMECOECO。3ECOEDA。clockpininputportdatainputpinoutputport。3。setuphold2TimingExplorerECO35CICChinalntegratedCirculthttp//·7·。celldelaynetdelaysetuphold。。“”IPO,In-Place-Optimization。clock_latency、clock_skewbuffer。buffercelltimingexceptions4timingexceptionsfalse-path[2]。4selmux1U3blockfalse-path。setupholdtimesetuphold。5path1holdtime。Bufsetup。TimingExplorerECOsetupholdhold。1TimingExplorer130nm900KgatesECOhold。4ECO。。。[3]。。34false-path536ChinalntegratedCircultCIC2012·7·http//。[4]。。。ECO1。。2。3。、、4。。7TimingExplorerECOabuffer。5ECO4467ECO37CICChinalntegratedCirculthttp//·7·。EDAEDATimingExplorerECO。[1]HimanshuBhatnagar.AdvancedASICChipSynth-esis.KluwerAcademicPublishers,2002.[2]PrimeTimeAdvancedTimingAnalysisUserGuideVersionE-2010.12,Synopsys,Inc.[3]W.MaIy,C.Ouyang.DetectionofanAntennaEffectinVLSIDesigns.SolidStatesTechnology.2002,91.[4]Chung-Kuan...,2008[6]K.GuruPrasad,J.H.Kane,D.E.KeyesandC.Balakrishna,“PreconditionedKrylovSolversforBEA,”InternationalJournalforNumericalMethodsinEngin-eering,Vol.37,pp1651-1672,19942003EDA。2005。37SoC、、。NCN49597PLC32ARMCortexM0。4,800S-FSK。NCN49597IEC61334-5-1AMIS-49587。、。ImaginationImaginationTechnologiesPowerVRSeries4。PowerVRSeries4D4500MPE4500MPPowerVRVXDVXESeries3。、。。1080P4Kx2K。ImaginationCIC44