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. 07, 2016
Filed:
Dec. 17, 2013
SK Hynix Inc., Gyeonggi-do, KR;
Jong-Yeol Yang, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device comprises a cell array having a plurality of word lines, an address counting unit suitable for generating a counting address that is changed whenever one or more of the plurality of word lines are refreshed, and a control unit suitable for selecting a word line corresponding to the counting address among the plurality of word lines and refreshing the selected word line within a first period in response to a refresh command during a first operation mode, within a second period that is longer than the first period during a second operation mode, and within a third period that is shorter than the second period in a high frequency section after the second operation mode begins.
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