发明授权
US07800948B2 Nonvolatile semiconductor memory device 有权
非易失性半导体存储器件

  • 专利标题: Nonvolatile semiconductor memory device
  • 专利标题(中): 非易失性半导体存储器件
  • 申请号: US12092497
    申请日: 2006-11-01
  • 公开(公告)号: US07800948B2
    公开(公告)日: 2010-09-21
  • 发明人: Naoki Ueda
  • 申请人: Naoki Ueda
  • 申请人地址: JP Osaka-shi
  • 专利权人: Sharp Kabushiki Kaisha
  • 当前专利权人: Sharp Kabushiki Kaisha
  • 当前专利权人地址: JP Osaka-shi
  • 代理机构: Morrison & Foerster LLP
  • 优先权: JP2005-319074 20051102
  • 国际申请: PCT/JP2006/321818 WO 20061101
  • 国际公布: WO2007/052684 WO 20070510
  • 主分类号: G11C16/04
  • IPC分类号: G11C16/04
Nonvolatile semiconductor memory device
摘要:
A nonvolatile semiconductor memory device capable of preventing the disturb phenomenon that could become a serious problem as the nonvolatile memory having a virtual grounding bit line is miniaturized includes a program row voltage application circuit for applying a predetermined program row voltage to the selected word line in programming in the selected memory cell, a program column voltage application circuit for applying a ground voltage to one of a pair of selected bit lines and applying a predetermined program column voltage to the other of the selected bit lines in programming; and a counter voltage application circuit for applying a counter voltage of an intermediate voltage between the ground voltage and program column voltage, to an adjacent unselected bit line not connected to the selected memory cell in the first and second bit lines and adjacent to the selected bit line to which the program column voltage is applied.
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