2-为芯片设计选择最合适的标准单元库

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1、OneSizeDoesnotFitAll-HowtoSelectStandardCells常骊波Libo.Chang@arm.com24UnderstandingConsumerNeedsWhattheconsumerBridgingtheWhattheconsumer“buys”divide“wants”TakephotosandvideoPerformancePlaymultimediaandgamesWithoutsacrificingquality!IncreasedtalktimePlaymultimediaandgamesPowerSendmanymessagesWit

2、houtfrequentrecharging!Alltheabove…andItshouldallfitinapocketandArea/Costcostlessereverytime!ARMphysicalIPhelpbridgethedivide25SoCApplications–StandardCellApplicationsHighSpeedEnterpriseandConsumerDigitalOfficeHomeNetworkCost,EntertainmentCommunicationPerformancePerformanceGamingPCGraphicsAppl

3、icationsDesktop&W/SMobileServerAllSoCrequireHighDensity(Cellularstandardcells!Consumer/PDA)SelectionisCost,cost,costessentialforPPAcharacteristicsMobileapplicationsBatterylife,performance,cost26StandardCellinSoC°UsedinextremelowpowerchipsaswellashighspeedPervasiveSoCIPapplications°Dedicatedfea

4、turesetforlowMemoryMemorypowerimplementationsMemoryMemory°ThemostwidelyusedstandardcelllibrariesintheDDRDDRSerialPHYsSerialPHYsindustryStandardCellsStandardCells°LowtotalcostofownershiptochipdesignersMemoryMemory°LargestfoundryavailabilityandwidestprocessnodesupportI/OCellsI/OCellsStandardCell

5、librariesandMemoryCompilersareanintegralpartoftheARMPhysicalIPPlatforms27ARMStandardCellProductPortfolio°Mainstreamlibraries°SAGE-XandAdvantage°Optimalperformance,area,powercombinationformainstreamproducts°Performanceorientedlibraries°Advantage-HS(SAGE-HSat130nm)°TheArchitecture,cellsetanddevi

6、cessizeshavebeenoptimizedforhighspeed°About20%betterperformancecomparedtomainstreamlibraries°Densityandpoweroptimizedlibraries°Metro°Smallerareaandlesspowerforperformanceuncriticalapplications°About20%lesspowerandareacomparedtomainstreamlibraries°PowerManagement°ARMPowerManagementKit(PMK)forMe

7、tro,AdvantageandAdvantage-HSlibraries°Advancedcellfunctionstoactivelyreducedynamicandleakagepowerindeepsub-microndesignsARM’scomprehensivelibraryportfolioenablestheselectionofanoptimalproductforawiderangeoftargetapplications28ARMStandar