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:
Jul. 03, 2018
Filed:
Mar. 31, 2015
Sandisk Technologies Inc., Plano, TX (US);
Daniel E. Tuers, Kapaa, HI (US);
Abhijeet Manohar, Bangalore, IN;
Nicholas Thomas, Dundee, GB;
Jonathan Hsu, Newark, CA (US);
SanDisk Technologies LLC, Plano, TX (US);
Abstract
A memory system and method for reducing read disturb errors are disclosed. In one embodiment, a memory system is provided comprising a plurality of blocks of memory and a controller. The controller is configured to detect a read disturb error in a block, identify data that caused the read disturb error, and move the data that caused the read disturb error to a block with a higher read endurance. This can be done by assigning read counters to blocks to determine frequently-read data, and storing that data in a separate block until it is less frequently read and will likely not cause additional read disturb errors.