The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2020
Filed:
Sep. 12, 2019
Silicon Motion Inc., Hsinchu County, TW;
Ching-Hui Lin, Hsinchu County, TW;
Silicon Motion, Inc., Hsinchu County, TW;
Abstract
A method for checking storage units of flash memory of flash memory device includes: writing data into storage units; and performing data read operation to read data from storage units to compare read data with written data to check whether data is correctly written into storage units, and data read operation includes: performing sequential read operation to sequentially select first storage unit and to read data from first storage unit according to serial order numbers; determining whether first storage unit is damaged; accumulating a number of damaged storage units if first storage unit is damaged; determining whether the number of damaged storage units is larger than first threshold number; and exiting sequential read operation and performing random read operation to read data of specific storage unit if the number of damaged storage units is larger than first threshold number.