发明名称 |
Data storage device and data maintenance method |
摘要 |
A data storage device including a flash memory and a controller. The flash memory includes a plurality of pages and a plurality of word lines, wherein each of the word lines controls at least two of the pages. The controller reads a first page of the pages in response to a read command, wherein the first page is controlled by a first word line of the word lines, and the controller further writes dummy data into the pages controlled by the first word line other than the first page when a predetermined condition is satisfied, wherein the predetermined condition includes that the first word line is not close. |
申请公布号 |
US9613708(B1) |
申请公布日期 |
2017.04.04 |
申请号 |
US201615001886 |
申请日期 |
2016.01.20 |
申请人 |
Silicon Motion, Inc. |
发明人 |
Hsieh Cheng-Yi;Lin Ming-Yen |
分类号 |
G11C16/04;G11C16/26;G11C16/10;G06F3/06 |
主分类号 |
G11C16/04 |
代理机构 |
Wang Law Firm, Inc. |
代理人 |
Wang Law Firm, Inc. |
主权项 |
1. A data storage device, comprising:
a flash memory, comprising a plurality of pages and a plurality of word lines, wherein each of the word lines controls at least two of the pages; and a controller, reading a first page of the pages in response to a read command, wherein the first page is controlled by a first word line of the word lines, and the controller further writes dummy data into the pages controlled by the first word line other than the first page when a predetermined condition is satisfied, wherein the predetermined condition comprises that the first word line is not close and the first page cannot be successfully read. |
地址 |
Jhubei TW |