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1、MemoryClassStorageanditsImpactBillGervasiPrincipalSystemsArchitect2018StorageDeveloperConference.?NanteroInc.AllRightsReserved.Nantero,Inc.1Agenda?Describecarbonnanotubebasics?ApplyCNTtomemoryarchitectures?CompareefficiencyofCNTmemorytoDRAM?Application:mainmemory?
2、Application:storagedevices?Application:cellphones?Application:artificialintelligence?EmbeddingCNTintoanASIC?Dataencryptioninapersistentmemoryworld2018StorageDeveloperConference.?NanteroInc.AllRightsReserved.2CarbonNanotubeBasicsVanderWaalsbarrierkeepsCNTsapartorto
3、getherDataretention>300years(morelikely>12,000years)Nowear-outmechanismdetectedin>1012cycles2018StorageDeveloperConference.?NanteroInc.AllRightsReserved.3CNTasaMemoryCellELECTRODE20?RESET:CNTsarenotinphysicalcontact=high?1510?SET:CNTsareinphysicalcontact=low?Count
4、5ON?Deliversa5nscorewithnothermalsensitivityOFF0ELECTRODE100k1M10M100M1GResistance(Ohm)2018StorageDeveloperConference.?NanteroInc.AllRightsReserved.4NRAMScalingProcessagnosticCanbebuiltusingmemoryorlogicprocessesMulti-levelcellasafunction4layersCNToftiming,voltage
5、?Example:16Gb4Gb/layerAddlayersw/28nmlogicofCNTsLogic/MemoryprocessSubstrate……………..……………..……………..Processscalingisa8diestack7nmprocessfunctionof#CNTs??perbit…128Gb512Gb/diewellunderstood1Tb/stackDiestackingusing<5nmstandardTSV2018StorageDeveloperConference.?Nantero
6、Inc.AllRightsReserved.5NRAMImplementedin1T-1RPlateTECNTBEDraincontact1T-1Rapproachisgoodforsmallerarrays(MbitstolowGbits)Canbetunedformuchfasteraccesstimes,arrayefficiency2018StorageDeveloperConference.?NanteroInc.AllRightsReserved.6NRAMasCrosspointV1<0>V2<0>V1<1>
7、V2<1>V1<2>V2<2>V1<3>V2<3>V1<4>V2<4>V1<5>V2<5>V1<6>V2<6>V1<7>V2<7>H1<0>0101010101010101H2<0>3232323232323232H1<1>0101010101010101H2<1>3232323232323232H1<2>0101010101010101H2<2>3232323232323232WordlinesH1<3>0101010101010101H2<3>3232323232323232BitlinesTransmissionch
8、aracteristicsoflinesdefinesaccesstimeBettersolutionforlargearrayse.g.,manyGbits2018StorageDeveloperConference.?NanteroInc.AllRightsReserved.7ACoreisaCor
