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:
Jan. 19, 2021
Filed:
Aug. 05, 2019
Shenzhen Epostar Electronics Limited Co., Shenzhen, CN;
Yu-Hua Hsiao, Hsinchu County, TW;
Shenzhen EpoStar Electronics Limited CO., Shenzhen, CN;
Abstract
A data reading method is provided. The method includes: using a predetermined read voltage corresponding to a read operation to read a target physical page to obtain a read codeword syndrome of a read codeword; using a first adjust read voltage to read again the target physical page to obtain a first adjust codeword syndrome of a first adjust codeword; generating soft information of each of a plurality of target memory cells of the target physical page according to the read codeword and the first adjust cordword; identifying a target confidence table according to a size relative relation between the foregoing syndromes to find a confidence value of each of the target memory cells from the target confidence table; and performing an adjusted preset decoding operation according to the soft information and the confidence values to obtain a valid codeword, so as to complete the read operation.