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.

Date of Patent:
Nov. 14, 2006

Filed:

Feb. 15, 2002
Applicants:

Tong Liu, San Jose, CA (US);

Jung-cheun Lien, San Jose, CA (US);

Sheng Feng, Cupertino, CA (US);

Eddy C. Huang, San Jose, CA (US);

Chung-yuan Sun, San Jose, CA (US);

Naihui Liao, Taipei, TW;

Weidong Xiong, San Jose, CA (US);

Inventors:

Tong Liu, San Jose, CA (US);

Jung-Cheun Lien, San Jose, CA (US);

Sheng Feng, Cupertino, CA (US);

Eddy C. Huang, San Jose, CA (US);

Chung-Yuan Sun, San Jose, CA (US);

Naihui Liao, Taipei, TW;

Weidong Xiong, San Jose, CA (US);

Assignee:

Actel Corporation, Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); H03K 19/177 (2006.01);
U.S. Cl.
CPC ...
Abstract

A freeway routing system that connects interface groups in said field programmable gate array. The freeway system has a first set of routing conductors configured to transfer signals to the input ports of at least one interface group in a first tile of the field programmable gate array and configured to transfer signals from the output ports of other tiles in the field programmable gate array. The first set of conductors include vertical conductors that form intersections horizontal conductors and programmable interconnect elements located at the intersections of the vertical conductors and horizontal conductors in a diagonal orientation to connect each of horizontal conductors to one of the vertical conductors.


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