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. 11, 2017
Filed:
Aug. 12, 2016
SK Hynix Inc., Gyeonggi-do, KR;
Sang-Ah Hyun, Gyeonggi-do, KR;
Jeong-Tae Hwang, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device may include a plurality of memory banks; a setting circuit capable of setting at least one of an advanced refresh mode and a piled refresh mode; and a refresh control unit capable of controlling the plurality of memory banks into a plurality of groups and for activating the plurality of groups to be refreshed at different times when a refresh command is applied, wherein the refresh control unit divides the memory banks into first groups determined based on the piled refresh mode and refreshes the first groups once, while, in the advanced refresh mode, the refresh control unit divides the memory banks into second groups determined based on the piled refresh mode and additional setting information and refresh the second groups a first number of times, which is more than two and determined based on the additional setting information.