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:
Mar. 09, 2004
Filed:
Aug. 15, 2002
Applicant:
Inventors:
Paul Cheng, San Jose, CA (US);
Nelson L. Chow, Mountain View, CA (US);
Assignee:
Integrated Silicon Solution, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
A content addressable memory (CAM)( ) and method having a data-in sub-circuit ( ), memory cells ( ), a match-high line ( ), a match-low line ( ), and pre-charge devices ( ). Input lines ( ) from the data-in sub-circuit ( ) are not necessarily discharged to ground in every cycle of a clock signal ( ) used by the memory cells ( ). Further, the pre-charge devices ( ) may be operated at one half of the rate of the clock signal ( ). Yet further, the CAM ( ) may be selectively configured to operate in either binary or ternary mode.