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. 31, 2019
Filed:
Sep. 12, 2016
Applicant:
Kabushi Kaisha Toshiba, Tokyo, JP;
Inventors:
Hiroki Noguchi, Kanagawa, JP;
Shinobu Fujita, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G06F 3/06 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0619 (2013.01); G06F 3/064 (2013.01); G06F 3/0685 (2013.01); G06F 11/1064 (2013.01);
Abstract
A memory system has a first memory which comprises a nonvolatile memory data region, and a second memory which stores data before storing in a third memory, the data not being written back on the third memory in a lower-level with access priority lower than access priority of the first memory, among data inside the nonvolatile memory data region, wherein the second memory has a bit error rate lower than a bit error rate of the first memory.