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. 27, 2005
Filed:
Dec. 13, 2002
Applicants:
Ashok Vittal, Fremont, CA (US);
Hare K. Verma, San Jose, CA (US);
Inventors:
Ashok Vittal, Fremont, CA (US);
Hare K. Verma, San Jose, CA (US);
Assignee:
Velogix, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K019/177 ;
U.S. Cl.
CPC ...
Abstract
A programmable logic device has a plurality of levels of programmable logic modules with fixed interconnections. The outputs of a level connect to inputs of the next level of programmable logic modules. The first level is fed from a bank of memory elements and the inputs to this bank of memory elements are derived from the last level. Crossbar switches are optionally inserted between a carefully chosen pairs of levels.