Patent · US Expired

Parallel multiplier using skip array and modified wallace tree

US5181185A · kind A · utility

8Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 4, 1991
Grant dateJan 19, 1993
Priority date
Expiry dateJan 4, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2207/3876
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A parallel multiplier by a skip array and a modified Wallace tree utilizes a modified Booth's encoder for encoding a multiplier according to a modified Booth's algorithm, a skip array for partial products, a modified wallace tree for adding binary bits, and a hybrid prefix adder for adding the final two lines. Fast multiplication of 0 (log n) is continuously performed without a standby state of a carry output and the regularity of the arrangement of the parallel multiplier is improved so that its chip area and manufacturing cost are reduced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.