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:
Dec. 14, 2021
Filed:
Aug. 04, 2020
SK Hynix Inc., Icheon-si, KR;
Joon Woo Choi, Icheon-si, KR;
Chang Ki Baek, Icheon-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
A semiconductor memory apparatus includes a plurality of memory cells. Each memory cell includes a switching element and a storage capacitor. The semiconductor memory apparatus further includes a first word line extended from a part of the plurality of memory cells, a second word line which is enabled after the first word line is enabled in a refresh mode for refreshing data stored in the storage capacitor, a word line control circuit configured to enable and disable the first word line. The word line control circuit comprises at least one switch that couples and decouples the first word line and the second word line.