Endurance Limits of MLC NAND Flash

被引:0
|
作者
Parnell, Thomas [1 ]
Duenner, Celestine [1 ]
Mittelholzer, Thomas [1 ]
Papandreou, Nikolaos [1 ]
Pozidis, Haralampos [1 ]
机构
[1] IBM Res Zurich, Saumerstr 4, CH-8803 Ruschlikon, Switzerland
关键词
TO-CELL INTERFERENCE; ARCHITECTURE;
D O I
暂无
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
An extensive effort is being undertaken by the flash community to develop signal processing and error-correction coding schemes that make use of soft information. Using experimental data from a state-of-the-art MLC flash device we demonstrate that the theoretical endurance improvement that such schemes can bring is limited. To investigate further, we develop a parametric channel model that takes into account the effects of cell-to-cell interference and demonstrate that it is the presence of programming errors in the channel that restricts the potential endurance enhancement that soft information can offer.
引用
收藏
页码:376 / 381
页数:6
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