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:
Aug. 13, 2019
Filed:
Jan. 19, 2018
Applicant:
Micron Technology, Inc., Boise, ID (US);
Inventor:
Masaru Morohashi, Hachioji, JP;
Assignee:
Micron Technology, Inc., Boise, ID (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/408 (2006.01); G11C 11/4074 (2006.01); G11C 11/4076 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40615 (2013.01); G11C 11/4087 (2013.01); G11C 11/4074 (2013.01); G11C 11/4076 (2013.01);
Abstract
Apparatuses and methods for refreshing memory of a semiconductor device are described. An example method includes producing, responsive to a first refresh command, a plurality of first refresh addresses and detecting, responsive to the plurality of first refresh addresses, that the plurality of first refresh addresses include a first defective address and a first non-defective address. The example method further includes refreshing, responsive to a second refresh command following the first refresh command, the non-defective first address without refreshing the first defective address.