- 专利标题： Data storage device and data maintenance method thereof
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申请号： US15613342申请日： 2017-06-05
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公开(公告)号： US10073769B2公开(公告)日： 2018-09-11
- 发明人: Kuan-Yu Ke
- 申请人： Silicon Motion, Inc.
- 申请人地址： TW Jhubei, Hsinchu County
- 专利权人： SILICON MOTION, INC.
- 当前专利权人： SILICON MOTION, INC.
- 当前专利权人地址： TW Jhubei, Hsinchu County
- 代理机构： McClure, Qualey & Rodack, LLP
- 优先权： TW104133817A 20151015; TW105132831A 20161012
- 主分类号： G06F12/02
- IPC分类号： G06F12/02 ; G06F12/0875 ; G06F3/06
摘要：
The present invention provides a data storage device including a random access memory and a controller. The random access memory has a cache area. The controller loads a part of data mapping sets of the data mapping table on a plurality of sectors of the cache area, wherein any of the data mapping sets that has been read less than a predetermined number of times is defined as an infrequent data mapping set, and any of the data mapping sets that has been read more than the predetermined number of times is defined as a frequent data mapping set.
公开/授权文献
- US20170270047A1 DATA STORAGE DEVICE AND DATA MAINTENANCE METHOD THEREOF 公开/授权日：2017-09-21
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