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.

Date of Patent:
Nov. 27, 2018

Filed:

Dec. 19, 2016
Applicant:

Memory Technologies Llc, Las Vegas, NV (US);

Inventors:

Kimmo J. Mylly, Ylojarvi, FI;

Jani Hyvonen, Tampere, FI;

Assignee:

Memory Technologies LLC, Kirkland, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/02 (2006.01); G06F 12/14 (2006.01); G06F 17/30 (2006.01); G06F 21/80 (2013.01);
U.S. Cl.
CPC ...
G06F 3/0653 (2013.01); G06F 3/0619 (2013.01); G06F 3/0644 (2013.01); G06F 3/0673 (2013.01); G06F 3/0679 (2013.01); G06F 12/0246 (2013.01); G06F 12/1433 (2013.01); G06F 17/30 (2013.01); G06F 21/80 (2013.01); G06F 2212/1052 (2013.01);
Abstract

Described herein are techniques to ensure that an action (e.g., a read or a write by a host device) associated with an element of a memory device that stores a value is valid compared to a reference value. The reference value is associated with an actual characteristic of a memory. The element storing the value can be stored in a region of memory that is configured to store metadata. The element can be re-programmed after the memory device is manufactured, and thus, the value stored in the element can be modified by a host device so that it incorrectly or inaccurately reflects a characteristic of the memory. In contrast, the reference value is stored in a separate region of memory and the reference value is a true value.


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