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:
Apr. 21, 2020
Filed:
Mar. 20, 2018
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 15/04 (2006.01);
U.S. Cl.
CPC ...
G11C 15/04 (2013.01);
Abstract
A content addressable memory includes a plurality of TCAM cells which configure one entry, a first word line coupled to the TCAM cells, a second word line coupled to the TCAM cells and a match line coupled to the TCAM cells and further includes a valid cell which stores a valid bit which indicates validity or invalidity of the entry, a bit line coupled to the valid line and a selection circuit which is coupled to the first word line and the second word line and sets the valid cell to a selected state in accordance with a situation where the first word line or the second word line is set to the selected state.