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:
Feb. 19, 2013
Filed:
Dec. 21, 2010
Ki-chang Kwean, Gyeonggi-do, KR;
Ki-Chang Kwean, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes a bank including a first cell region and a second cell region, an active signal generation unit configured to generate a first row active signal and a second row active signal having different activation periods from each other in response to a refresh command, and an address counting unit configured to count the refresh command and generate a row address, wherein a word line of the first cell region designated by the row address is activated when the first row active signal is activated, and a word line of the second cell region designated by the row address is activated when the second row active signal is activated.
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