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:
Mar. 21, 2017
Filed:
May. 27, 2015
Samsung Electronics Co., Ltd., Suwon-si, KR;
Young-Yong Byun, Seoul, KR;
Whi-Young Bae, Gwangju-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Samsung-ro, Yeongtong-gu, Suwon-si, KR;
Abstract
A semiconductor memory device may include a memory cell array, a first decoder and a second decoder. The memory cell array includes a plurality of memory cell rows. The first decoder is configured to select a first number of memory cell rows of the plurality of memory cell rows based on a selected refresh row address of a set of row addresses. The second decoder is configured to select a second number of memory cell rows of the plurality of memory cell rows based on the selected refresh row address. A total number of the first number and the second number is varied in response to the selected refresh row address.