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. 14, 2020
Filed:
Aug. 27, 2019
Winbond Electronics Corp., Taichung, TW;
Ming-Che Lin, Taichung, TW;
He-Hsuan Chao, Taichung, TW;
Ping-Kun Wang, Taichung, TW;
Seow Fong Lim, San Jose, CA (US);
Ngatik Cheung, San Jose, CA (US);
Chia-Wen Cheng, Taichung, TW;
Winbond Electronics Corp., Taichung, TW;
Abstract
A non-volatile memory and a reset method thereof are provided. The reset method includes: performing a first reset operation on a plurality of memory cells; recording a plurality of first verifying currents respectively corresponding to a plurality of first failure memory cells; performing a second reset operation on the first failure memory cells, and verifying second failure memory cells to obtain a plurality of second verifying currents; setting a first voltage modify flag according to a plurality of first ratios between the first verifying currents and the respectively corresponding second verifying currents; and adjusting a reset voltage for performing the first reset operation and the second reset operation according to the first voltage modify flag.