Invention Grant
- Patent Title: Data storage device and method of performing partial garbage collection
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Application No.: US16026917Application Date: 2018-07-03
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Publication No.: US10657047B2Publication Date: 2020-05-19
- Inventor: Sheng-Hsun Lin
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@3c5a524e
- Main IPC: G06F12/02
- IPC: G06F12/02 ; G06F12/1009
Abstract:
A data storage device is provided. The data storage device includes: a flash memory and a microcontroller. The flash memory includes a plurality of physical blocks. The microcontroller selects one source block and one destination block from the plurality of physical blocks, and performs a garbage collection operation according to a check map corresponding to the selected source block to copy data stored in one or more valid physical addresses of the source block to the selected destination block.
Public/Granted literature
- US20190220396A1 Data Storage Device Public/Granted day:2019-07-18
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