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    • 34. 发明公开
    • DEFECT MANAGEMENT POLICIES FOR NAND FLASH MEMORY
    • DEFEKTVERWALTUNGSRICHTLINIENFÜRNAND-FLASH-SPEICHER
    • EP3072134A1
    • 2016-09-28
    • EP14864526.0
    • 2014-10-21
    • Intel Corporation
    • KALAVADE, PranavZHU, FengRAGHUNATHAN, Shyam SunderMOTWANI, Ravi H.
    • G11C29/00G11C16/06
    • G06F11/0751G06F11/073G06F11/1012G11B20/1816
    • Systems and methods of managing defects in nonvolatile storage systems that can be used to avoid an inadvertent loss of data, while maintaining as much useful memory in the nonvolatile storage systems as possible. The disclosed systems and methods can monitor a plurality of trigger events for detecting possible defects in one or more nonvolatile memory (NVM) devices included in the nonvolatile storage systems, and apply one or more defect management policies to the respective NVM devices based on the types of trigger events that resulted in detection of the possible defects. Such defect management policies can be used proactively to retire memory in the nonvolatile storage systems with increased granularity, focusing the retirement of memory on regions of nonvolatile memory that are likely to contain a defect.
    • 管理非易失性存储系统中的缺陷的系统和方法,可用于避免无意中丢失数据,同时尽可能保持非易失性存储系统中有用的内存。 所公开的系统和方法可以监视多个触发事件,以检测非易失性存储系统中包括的一个或多个非易失性存储器(NVM)设备中的可能缺陷,并且基于类型向相应的NVM设备应用一个或多个缺陷管理策略 触发事件导致检测到可能的缺陷。 可以主动地使用这种缺陷管理策略来以更小的粒度来使非易失性存储系统中的存储器退出,将存储器的退出集中在可能包含缺陷的非易失性存储器的区域上。