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. 04, 2004
Filed:
Aug. 29, 2002
Applicant:
Inventors:
Richard Yachyang Sun, Mountain View, CA (US);
Sandor S. Kalman, Santa Clara, CA (US);
Sudip K. Nag, San Jose, CA (US);
Assignee:
Xilinx, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/750 ;
U.S. Cl.
CPC ...
G06F 1/750 ;
Abstract
Routing algorithms can be modified to increase the number of programmable interconnect points (PIPs) used in a routing pattern. A file is set up to store information on whether a PIP has been covered. The cost of a node can be decreased by a predetermined value if two nodes are connected by an uncovered PIP. In another embodiment, a file is set up to store a count for each PIP. The count is increased each time the PIP is used in a routing. The cost of a node can be increased by multiplying a predetermined value and the count of a PIP associated with the node.