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:
Oct. 07, 2025
Filed:
Jul. 02, 2024
Macronix International Co., Ltd., Hsinchu, TW;
Wei-Han Chen, Tainan, TW;
Yih-Shan Yang, Hsinchu, TW;
MACRONIX International Co., Ltd., Hsinchu, TW;
Abstract
A memory device and a detection method for detecting a defeated status of a memory cell are provided. The memory device is, for example a three dimensional NAND flash memory circuit, and provides a storage media with high-performance and high-capacity. The detection method includes: searching status data stored in a page buffer, finding set status memory cells, and acquiring set status data; storing status data in a storage device; setting one of latches in the page buffer as a selected latch after a first half of the levels of the programming operation have been completed; storing each setting data in the selected latch; and check each set status memory cell according to the each set status data to determine whether the set status memory cell is maintained in the set status.