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. 04, 2019
Filed:
Aug. 10, 2016
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Uksong Kang, Seongnam-si, KR;
Hoiju Chung, Yongin-si, KR;
Abstract
A semiconductor memory device having a flexible refresh skip area includes a memory cell array including a plurality of rows to store data, a row decoder connected to the memory cell array, a refresh area storage unit to store a beginning address and an end address of a memory area that is to be refreshed in which the memory area that is to be refreshed does not include a refresh skip area having a size is selectively and/or adaptively changed, and a refresh control circuit connected to the row decoder and the refresh area storage unit. The refresh control circuit controls a refresh operation for the area that is to be refreshed and not for the refresh skip area.