Patent 9741421 was granted and assigned to Micron Technology on August, 2017 by the United States Patent and Trademark Office.
The present disclosure includes apparatuses and methods related to refresh circuitry. An example apparatus can include a memory array including a main portion and a redundant portion. The apparatus can include refresh circuitry configured to, responsive to a determination of a hammering event, refresh at least a portion of the redundant portion.