闪存及控制芯片技术的现状和发展趋势

Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.闪存及控制芯片技术的现状和发展趋势张华龙(CEO)Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.•信息技术的三方面–信息处理技术–信息传输技术–信息存储技术•信息存储技术的特点–信息的爆炸式增长带来存储需求的急剧增长–存储技术已有了长足的发展–存储技术的发展往往落后于存储需求的增长信息存储的重要性Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.•闪存(Flash)技术的广泛应用–便携式数码产品是目前增长速度最快的电子产品–便携式数码产品对存储的基本要求•断电后数据保存•抗震性好•功耗低•体积小•成本低–便携式数码产品的发展为闪存提供了巨大的市场空间•手机、数码像机、ＭＰ３、ＭＰ４、ＧＰＳ、固态硬盘，等等闪存(Flash)的市场地位Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.闪存(Flash)技术现状2006.Q12006.Q22006.Q32006.Q42007.Q12007.Q22007.Q32007.Q4Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.•闪存(Flash)技术的趋势–制成愈来愈小–容量越来越大–速度越来越慢–良率愈来愈小闪存(Flash)技术趋势Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.•接口技术–ＵＳＢ接口–ＳＤ／ＭＭＣ接口–ＳＡＴＡ•硬件纠错技术–1,2,4,8,16bitsECC•读取算法–单通道，双通道，多通道–Interleave(交叉读写）–Wearleaving(读写均匀化）–坏块补偿算法–数据完整性保护闪存控制芯片的现状Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.•对控制器芯片要求越来越高–支持的容量越来越大–速度要求越来越快–纠错功能越来越强–可靠性要求越来越高闪存控制芯片的挑战Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.•快速发展的闪存技术为控制器芯片厂商提供了巨大的商机–快速反应，适应最新的闪存技术的推出–贴近客户的小型芯片设计公司有更大的机会•客户支持繁重•便携式市场要求更多的个性化支持闪存控制芯片的机会Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.USB2.0闪存盘控制芯片2005/200620072008209020802090E20912092*4BECC*IntegrateLDO,P-MOS*Build-inPOR*Integrate5V/3.3Vregulators*32-bitCPU*Patenteddataprotection*48-pinTQFP*0.18um*Vistacertified*SupportReadyBoost*Optimizerandomread*On-the-flybadblockreplacement*Optimizefilecopy*2090pincompatible*0.18um*Vistacertified*4xoverlappedrequests*Bestread/writeperf*Adaptivewearleveling*On-the-flybadblockmanagement*4KBpagesupport*2090Epincompatible*0.18um*8-bitECC*SuperiorMLCsupport*8xoverlappedrequests*Vistacertified*Adaptivewearleveling*4KBpagesupport*2091pincompatible*0.18um2093*SSDclass*35MB/sread*over20MB/swrite*Superiorreliability*MTBF2,000,000hr*quadchannels*16xoverlappedrequests*0.13um*Firstinmarketwithfieldprogrammablecapability*3BECC*Dualchannels*SLC/MLC/AG-AND*3.3Vregulator*32-bitCPU*Patentdataprotection*48-pinTQFPor64-pinLQFP*0.18umProprietaryandconfidential–Copyright2007ChipsbankCopyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.SD/MMC闪存卡控制芯片30803082Proprietaryandconfidential–Copyright2007Chipsbank20072008*SD2.0class6andHC*SD1.1*MMC4.2*4BECC*32-bitCPU*SupportCPRM*SupportMLCandSLC*Fieldupgradeablearchitecture*Dualvoltagessupport*8-bitECC*8xoverlappedrequests*Adaptivewearleveling*SD2.0class6andHC*SD1.1*MMC4.2*Fieldupgradeablearchitecture*3080pincompatible3080E*Firmwareupgradeof3080*4KBpagesupport*Optimizerandomread*On-the-flybadblockreplacement*OptimizefilecopyCopyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.读卡器控制芯片20072008Proprietaryandconfidential–Copyright2007Chipsbank40804082*MMC4.2*SD1.1and2.0*MS/MSPROv1.x*32-bitCPU*SupportCPRM*Fieldupgradeablearchitecture*USB2.0MassStorageI/F*1or2LUN*0.18um*ReducedBOMcost*1or5LUNs*CFv4.0*xDv1.2*MMC4.2*SD1.1and2.0*MS/MSPROv1.x*SmartCard/SIMcard*32-bitCPU*SupportCPRM*Fieldupgradeablearchitecture*USB2.0MassStorageI/F0.18um*ReducedBOMcostCopyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.芯邦闪存控制芯片单月出货量(百万片)-123456Jan-0523456789101112Jan-0623456789101112Jan-0723456789101112Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.芯邦闪存控制芯片累计出货量(百万片)-1020304050607080901001102005.Q12005.Q22005.Q32005.Q42006.Q12006.Q22006.Q32006.Q42007.Q12007.Q22007.Q32007.Q4Copyright2004-2007byChipsbankMicroelectronicsCo.Ltd.AllRightsReserved.谢谢