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, 2001
Filed:
Nov. 05, 1998
Applicant:
Inventors:
Terence M. Potter, Austin, TX (US);
James S. Blomgren, Austin, TX (US);
Anthony M. Petro, Austin, TX (US);
Assignee:
Intrinsity, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/50 ;
U.S. Cl.
CPC ...
G06F 7/50 ;
Abstract
The described multiplier provides the signed or unsigned product of a multiplicand and multiplier represented in preferably 1-of-4 N-NARY signals by performing a preferably radix-four Booth recoding of the multiplier, producing partial products using a plurality of Booth multiplexers, summing the partial productsto produce two intermediate partial products using a six-level Wallace tree, and summing the two intermediate partial products using a carry lookahead adder. The Booth encoding is performed at the dit level using encoding circuitry implemented in N-NARY logic.