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:
Jun. 28, 2011
Filed:
Mar. 17, 2006
Takao Yamamoto, Osaka, JP;
Tetsuya Tanaka, Kyoto, JP;
Ryuta Nakanishi, Kyoto, JP;
Masaitsu Nakajima, Osaka, JP;
Keisuke Kaneko, Kyoto, JP;
Hazuki Okabayashi, Osaka, JP;
Takao Yamamoto, Osaka, JP;
Tetsuya Tanaka, Kyoto, JP;
Ryuta Nakanishi, Kyoto, JP;
Masaitsu Nakajima, Osaka, JP;
Keisuke Kaneko, Kyoto, JP;
Hazuki Okabayashi, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A cache memory of the present invention includes a second cache memory that is operated in parallel with a first cache memory, a judgment unit which, when a cache miss occurs in both of the first cache memory and the second cache memory, makes a true or false judgment relating to an attribute of data for which memory access resulted in the cache miss, and a controlling unit which stores memory data in the second cache memory when a judgment of true is made, and stores the memory data in the first cache memory when a judgment of false is made.