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. 24, 2005
Filed:
Dec. 17, 2003
Fumihiro Kohno, Yokohama, JP;
Fumihiro Kohno, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A data memory circuit having divided several cache lines storing data, and several entries, and a tag circuit, are provided. The tag circuit having an array of an associative memory including a memory cell circuit having several memory cells storing address corresponding to the data stored in the data memory circuit and divided several rows, and a comparator circuit comparing the address stored in the memory cell circuit with input address, the comparator circuit comparing the address stored in divided several rows of the memory cell circuit with the input address concurrently in each of divided rows storing the address, and generating a cache hit/miss determination signal based on the comparative result of each row, the hit/miss determination signal being supplied to the data memory circuit.