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:
Apr. 05, 2022
Filed:
Feb. 09, 2021
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventor:
Kiyotaro Itagaki, Naka Kanagawa, JP;
Assignee:
KIOXIA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/22 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
G11C 7/222 (2013.01); G11C 7/1045 (2013.01); G11C 7/1048 (2013.01); G11C 7/1057 (2013.01); G11C 7/1084 (2013.01);
Abstract
According to one embodiment, a memory system includes a plurality of memory packages, on-die termination (ODT) circuits, and a controller. The plurality of memory packages are coupled by a common bus and arranged in groups, each group includes a pair of memory packages facing each other, and each memory package includes a plurality of memory chips. The ODT circuits are respectively disposed in the memory packages. The ODT circuits are on/off controlled based on an asserted state of a chip enable signal CEn acquired using a periodic signal of at least two cycles.