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:
Jun. 14, 2022
Filed:
Aug. 25, 2020
Winbond Electronics Corp., Taichung, TW;
Ping-Kun Wang, Taichung, TW;
Chia-Wen Cheng, Taichung, TW;
He-Hsuan Chao, Taichung, TW;
Frederick Chen, San Jose, CA (US);
Chang-Tsung Pai, Taichung, TW;
Tzu-Yun Huang, Taichung, TW;
Ming-Che Lin, Taichung, TW;
Winbond Electronics Corp., Taichung, TW;
Abstract
A resistive memory device and a reliability enhancement method thereof are provided. The reliability enhancement method includes the following steps. A forming operation is performed on a plurality of memory cells. The formed memory cells are read to respectively obtain a plurality of formed currents. A reference current is set according to a statistic value of the formed currents. A setting operation is performed on the memory cells. A ratio between a set current of each of the memory cells and the reference current is calculated, and a physical status of each of the memory cells is judged according to the ratio. It is determined whether to perform a fix operation of each of the memory cells or not according to physical status.