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. 13, 2008
Filed:
Apr. 17, 2006
Nisha Padattil Kuliyampattil, Karnataka, IN;
Krishnan S Rengarajan, Karnataka, IN;
Nisha Padattil Kuliyampattil, Karnataka, IN;
Krishnan S Rengarajan, Karnataka, IN;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A Content Addressable Memory (CAM) device with an improved match sensing circuit is provided. The CAM is provided with a dummy cell and a respective dummy match line, as well as a reference dummy match line. The dummy match line is designed to be evaluated after all other cell match lines. The reference dummy match line triggers a dummy sensing block to initiate a time window for sensing the dummy match line. By this time, all other array match lines will have been stabilized and have reached their respective sensing blocks, to then allow the data to be latched. The match sensing circuit provided may be applied to a variety of arrangements including BCAMs and TCAMs.