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:
Jul. 07, 2020
Filed:
Mar. 08, 2018
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Makoto Yabuuchi, Tokyo, JP;
Shinji Tanaka, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01); G01R 31/3177 (2006.01); G11C 15/04 (2006.01); G06F 11/27 (2006.01); G06F 11/00 (2006.01); G11C 29/12 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3177 (2013.01); G06F 11/27 (2013.01); G11C 15/04 (2013.01); G11C 29/12 (2013.01);
Abstract
An object of the present invention is to provide a highly-reliable content addressable memory. Provided is a content addressable memory including: a plurality of CAM cells; a word line joined to the CAM cells; a plurality of bit lines joined to the CAM cells; a plurality of search lines joined to the CAM cells; a match line joined to the CAM cells; a match amplifier joined to the match line; and a selection circuit that can select the output of the match amplifier in accordance with the value of the word line.