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:
Dec. 29, 2020
Filed:
Nov. 15, 2019
Applicant:
Winbond Electronics Corp., Taichung, TW;
Inventors:
Assignee:
Winbond Electronics Corp., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/14 (2006.01); G11C 16/04 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 16/14 (2013.01); G11C 16/0483 (2013.01); G11C 16/345 (2013.01);
Abstract
An erasing method adapted for a semiconductor memory device is provided. The erasing method includes executing a pre-program process on the semiconductor memory device, executing an erase process on the semiconductor memory device, executing an over-erase verification process on a plurality of memory cells of the semiconductor memory device, detecting a total current consumption of the plurality of memory cells, determining the number of the memory cells to be executed with a soft program process according to the total current consumption, and executing the soft program process on the memory cells based on the number of the memory cells.