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:
Aug. 14, 2012
Filed:
Jan. 30, 2008
Applicants:
Volker Hecht, Barshinghausen, DE;
Marcel Derevlean, Barshinghausen, DE;
Jonathan Greene, Palo Alto, CA (US);
Inventors:
Volker Hecht, Barshinghausen, DE;
Marcel Derevlean, Barshinghausen, DE;
Jonathan Greene, Palo Alto, CA (US);
Assignee:
Actel Corporation, Mountain View, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fast lookahead carry adder includes adder logic and lookahead carry-path logic coupled to the adder logic. The carry path logic has a main carry path, a carry entrance path and a carry exit path, the carry entrance path separate from the carry exit path.