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. 29, 2021
Filed:
Jul. 19, 2019
Macronix International Co., Ltd., Hsinchu, TW;
MACRONIX INTERNATIONAL CO., LTD., Hsinchu, TW;
Abstract
A mechanism is described for accommodating variations in the read or write window which are caused by variations in the number of half-selected cells which are in each logic state and share an access line with the target cell. Roughly described, leakage current is detected on the access line in one segment of the read or write operation, and read or write current detected or generated in a second segment of the operation is adjusted to compensate for the detected leakage current. The first segment can be omitted in subsequent read or write operations if the target cell word line address has not changed and the leakage-tracked reference value has not become invalid for other reasons.