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:
Sep. 19, 2006
Filed:
Jul. 30, 2001
Sebastien Ferroussat, Fontaine, FR;
Sebastien Ferroussat, Fontaine, FR;
STMicroelectronics S.A., Gentilly, FR;
Abstract
A carry save adder circuit for reducing the number of inputs to a lower number of outputs, the carry save adder circuit including four carry save adders, the four carry save adders being arranged in two layers with the first and second carry save adders being arranged in a first of said layers and the third and fourth carry save adders being arranged in a second of the layers, said third and fourth carry save adders being arranged to provide the outputs, the third and fourth carry save adders each receiving at least one output from each of the first and second carry save adders and the first and second carry save adders being arranged to receive at least some of the inputs.