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. 03, 2005
Filed:
Feb. 28, 2002
Richard Foss, Kirkaldy Fife, GB;
Charles Taylor, Austin, TX (US);
Curtis Richardson, Taylor, TX (US);
Richard Foss, Kirkaldy Fife, GB;
Charles Taylor, Austin, TX (US);
Curtis Richardson, Taylor, TX (US);
Mosaid Technologies Incorporated, Kanata, CA;
Abstract
A content addressable memory (CAM) having a plurality of ternary memory cells, each ternary half cell comprising an equal number of transistors of a p-type and an n-type, the p-type transistors being formed in a first well region and the n-type transistors being formed in a second well region, the wells having at most one p+ to n+ region spacing, the transistors being interconnected to form the half ternary CAM cell and wherein the interconnections for the cell is restricted to a silicon layer and a first metal layer and connections between said cell and external signal lines is restricted to at least a second metal layer.