发明申请
US20110273935A1 MITIGATING CHANNEL COUPLING EFFECTS DURING SENSING OF NON-VOLATILE STORAGE ELEMENTS
有权
在非易失性存储元件感测期间减少通道耦合效应
- 专利标题: MITIGATING CHANNEL COUPLING EFFECTS DURING SENSING OF NON-VOLATILE STORAGE ELEMENTS
- 专利标题(中): 在非易失性存储元件感测期间减少通道耦合效应
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申请号: US12773701申请日: 2010-05-04
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公开(公告)号: US20110273935A1公开(公告)日: 2011-11-10
- 发明人: Yingda Dong , Yan Li , Cynthia Hsu
- 申请人: Yingda Dong , Yan Li , Cynthia Hsu
- 主分类号: G11C16/06
- IPC分类号: G11C16/06
摘要:
Channel coupling effects during verify and read of non-volatile storage are mitigated by matching the amount of channel coupling that occurs during read with channel coupling that occurred during verify. All bit lines may be read together during both verify and read. In one embodiment, first bias conditions are established on bit lines when verifying each of a plurality of programmed states. A separate set of first bias conditions may be established when verifying each state. Biasing a bit line may be based on the state to which a non-volatile storage elements on the bit line is being programmed. A separate set of second bias conditions are established for each state being read. The second bias conditions for a given state substantially match the first bias conditions for the given state.
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