发明授权
EP2047473B1 COMPENSATING FOR COUPLING BETWEEN ADJACENT STORAGE ELEMENTS IN A NONVOLATILE MEMORY, BASED ON SENSING A NEIGHBOR USING COUPLING 有权
补偿用于联接之间。在非易失性存储器相邻的存储元素对进样PAIRING NEIGHBORS的基础

  • 专利标题: COMPENSATING FOR COUPLING BETWEEN ADJACENT STORAGE ELEMENTS IN A NONVOLATILE MEMORY, BASED ON SENSING A NEIGHBOR USING COUPLING
  • 专利标题(中): 补偿用于联接之间。在非易失性存储器相邻的存储元素对进样PAIRING NEIGHBORS的基础
  • 申请号: EP07799656.9
    申请日: 2007-07-18
  • 公开(公告)号: EP2047473B1
    公开(公告)日: 2011-08-31
  • 发明人: FONG, YupinLI, Yan
  • 申请人: Sandisk Corporation
  • 申请人地址: 601 McCarthy Boulevard Milpitas, California 95035-7932 US
  • 专利权人: Sandisk Corporation
  • 当前专利权人: Sandisk Corporation
  • 当前专利权人地址: 601 McCarthy Boulevard Milpitas, California 95035-7932 US
  • 代理机构: Tothill, John Paul
  • 优先权: US458997 20060720; US459000 20060720
  • 国际公布: WO2008011439 20080124
  • 主分类号: G11C11/56
  • IPC分类号: G11C11/56
COMPENSATING FOR COUPLING BETWEEN ADJACENT STORAGE ELEMENTS IN A NONVOLATILE MEMORY, BASED ON SENSING A NEIGHBOR USING COUPLING
摘要:
Shifts in the apparent charge stored on a floating gate (or other charge storing element) of a non-volatile memory cell can occur because of the coupling of an electric field based on the charge stored in adjacent floating gates (or other adjacent charge storing elements). To compensate for this coupling, the read or programming process for a given memory cell can take into account the programmed state of an adjacent memory cell. To determine whether compensation is needed, a process can be performed that includes sensing information about the programmed state of an adjacent memory cell (e.g., on an adjacent bit line or other location).
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