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:
Sep. 16, 2014
Filed:
Mar. 14, 2013
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Ki Heung Kim, Hwaseong-si, KR;
In Chul Jeong, Hwaseong-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 11/402 (2006.01); G11C 11/406 (2006.01);
U.S. Cl.
CPC ...
G11C 11/402 (2013.01); G11C 11/40618 (2013.01);
Abstract
A memory refresh method includes selecting at least one bank from among N banks of a memory device, and activating K word lines from among a plurality of word lines included in the at least one bank during one of L refresh cycles of a refresh period. Each of the N banks comprises M word lines, N, K and M are each a natural number greater than or equal to two, L is a natural number less than or equal to M, and K is equal to M*N/L.