Invention Grant
- Patent Title: Data storage device and data refresh method thereof
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Application No.: US14997916Application Date: 2016-01-18
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Publication No.: US10199107B2Publication Date: 2019-02-05
- Inventor: Po-Sheng Chou
- Applicant: Silicon Motion, Inc.
- Applicant Address: TW Jhubei
- Assignee: Silicon Motion, Inc.
- Current Assignee: Silicon Motion, Inc.
- Current Assignee Address: TW Jhubei
- Agency: Wang Law Firm, Inc.
- Priority: TW104103674A 20150204
- Main IPC: G11C16/26
- IPC: G11C16/26 ; G11C29/42 ; G11C16/34 ; G11C29/02 ; G11C29/04
Abstract:
A data storage device includes a flash memory and a controller. The controller determines whether a first page of the flash memory meets a predetermined condition, and refreshes a block corresponding to the first page when the first page meets the predetermined condition, wherein the predetermined condition includes a voltage distribution of the first page being shifted to a predetermined direction, the predetermined direction being left.
Public/Granted literature
- US20160225460A1 Data Storage Device and Data Refresh Method Thereof Public/Granted day:2016-08-04
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