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:
May. 01, 2018
Filed:
Mar. 11, 2016
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventor:
Susumu Takeda, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0893 (2016.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0893 (2013.01); G06F 12/0246 (2013.01); G06F 2212/6012 (2013.01); Y02B 60/1225 (2013.01);
Abstract
A memory system has a first cache memory comprising a volatile memory, a second cache memory comprising a non-volatile memory with access speed slower than access speed of the volatile memory, and a reconfiguration control circuitry to switch between a first mode that uses the second cache memory as a cache memory in a lower layer than the first cache memory and a second mode that uses the first cache memory and the second cache memory as cache memories in an identical memory layer.