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:
Dec. 09, 2003
Filed:
Feb. 21, 2002
Applicant:
Inventor:
Stefan P. Sywyk, San Jose, CA (US);
Assignee:
Cypress Semiconductor Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
According to one embodiment, the write circuitry of a content addressable memory (CAM) can include periphery circuits ( ) that generate data signals ( ) and write control signals ( ) that connect over some distance to CAM core circuits ( ). CAM core circuits ( ) may include bitline write driver circuits ( ), a write control circuit ( ), and CAM cells ( ). Write control signals ( ) may include a signal surrounded by its complements and be positioned such that a routing of the write control signal is as long as the longest of the data signals ( ).