发明授权
- 专利标题: Data coding for improved ECC efficiency
- 专利标题(中): 数据编码,提高ECC效率
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申请号: US12839237申请日: 2010-07-19
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公开(公告)号: US08473809B2公开(公告)日: 2013-06-25
- 发明人: Jun Wan , Alex Mak , Tien-Chien Kuo , Yan Li , Jian Chen
- 申请人: Jun Wan , Alex Mak , Tien-Chien Kuo , Yan Li , Jian Chen
- 申请人地址: US TX Plano
- 专利权人: SanDisk Technologies Inc.
- 当前专利权人: SanDisk Technologies Inc.
- 当前专利权人地址: US TX Plano
- 代理机构: Vierra Magen Marcus LLP
- 主分类号: G06F11/00
- IPC分类号: G06F11/00 ; G11C29/00 ; G11C7/00
摘要:
Non-volatile storage devices and techniques for operating non-volatile storage are described herein. One embodiment includes accessing “n” pages of data to be programmed into a group of non-volatile storage elements. The “n” pages are mapped to a data state for each of the non-volatile storage elements based on a coding scheme that evenly distributes read errors across the “n” pages of data. Each of the non-volatile storage elements in the group are programmed to a threshold voltage range based on the data states to which the plurality of pages have been mapped. The programming may include programming the “n” pages simultaneously. In one embodiment, mapping the plurality of pages is based on a coding scheme that distributes a significant failure mode (for example, program disturb errors) to a first of the pages and a significant failure mode (for example, data retention errors) to a second of the pages.
公开/授权文献
- US20110126080A1 DATA CODING FOR IMPROVED ECC EFFICIENCY 公开/授权日:2011-05-26
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