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:
Jul. 18, 2023
Filed:
Dec. 01, 2021
Macronix International Co., Ltd., Hsinchu, TW;
Bo-Rong Lin, Taichung, TW;
Ming-Liang Wei, Kaohsiung, TW;
Hsiang-Pang Li, Zhubei, TW;
Nai-Jia Dong, Taipei, TW;
Hsiang-Yun Cheng, Taoyuan, TW;
Chia-Lin Yang, Taipei, TW;
MACRONIX INTERNATIONAL CO., LTD., Hsinchu, TW;
Abstract
A memory system for maintaining data consistency and an operation method thereof are provided. The operation method includes: receiving a first data in a first cache of a first memory from a processor; reading the first data from the first cache and writing the first data as a redo log into a log buffer of the first memory; writing the redo log from the log buffer into a memory controller of the processor; performing an in-memory copy in a second memory to copy a second data as an undo log, wherein the second data is an old version of the first data; and writing the redo log from the memory controller into the second memory for covering the second data by the redo log as a third data, wherein the redo log, the third data and the first data are the same.