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:
Feb. 19, 2013
Filed:
Feb. 16, 2010
Gen Tsukishiro, Kasugai, JP;
Gen Tsukishiro, Kasugai, JP;
Fujitsu Semiconductor Limited, Yokohama, JP;
Abstract
A cache device interposed between a processor and a memory device, including: a cache memory storing data from the memory device; a buffer holding output data output from the processor; a control circuit determining, on the basis of a request to access the memory device, whether a cache hit has occurred or not and, if a cache miss has occurred, storing the output data in the buffer in response to the access request, outputting a read request for reading the data in a line containing data requested by the access request from the memory device, storing data output from the line of the memory device into the cache memory, and storing the output data from the buffer into the cache memory.