发明申请
- 专利标题: PROGRAM WINDOW ADJUST FOR MEMORY CELL SIGNAL LINE DELAY
- 专利标题(中): 程序窗口调整记忆体信号线延迟
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申请号: US12262405申请日: 2008-10-31
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公开(公告)号: US20100110798A1公开(公告)日: 2010-05-06
- 发明人: Jung-Sheng Hoei , Jonathan Pabustan , Vishal Sarin , William H. Radke , Frankie F. Roohparvar
- 申请人: Jung-Sheng Hoei , Jonathan Pabustan , Vishal Sarin , William H. Radke , Frankie F. Roohparvar
- 主分类号: G11C16/10
- IPC分类号: G11C16/10
摘要:
A memory device and programming and/or reading process is described that compensates for memory cell signal line propagation delays, such as to increase the overall threshold voltage range and non-volatile memory cell states available. Memory cell signal line propagation delay compensation can be accomplished by characterizing the memory cell signal line propagation delay, such as determining an amount of error due to the delay, and pre-compensating the programmed threshold voltage of the memory cells based on the amount of error induced by the memory cell signal line propagation delay and cell location on the selected memory cell signal line. Alternatively, memory cell signal line propagation delay can be post-compensated for, or the pre-compensation fine tuned, after sensing the threshold voltages of the selected memory cells based on the amount of error induced by the memory cell signal line propagation delay and cell location on the selected memory cell signal line. Other methods, devices, etc., are also disclosed.
公开/授权文献
- US08023334B2 Program window adjust for memory cell signal line delay 公开/授权日:2011-09-20
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