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On the modulo 2n+1 subtract units for weighted operands

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2 Author(s)
Costas Efstathiou ; Department of Informatics, Technological Educational Institute (TEI) of Athens, 12210 Egaleo, Greece ; Ioannis Voyiatzis

In this work a new efficient architecture of modulo 2n+1 subtractors for weighted operands is presented. The proposed subtractors are composed of a modified carry save adder with inverted end around carry and a diminished-1 modulo 2n+1 adder. The proposed subtractors are more efficient with respect to both area and delay compared to previously proposed modulo 2n+1 subtractors for weighted operands.

Published in:

2010 International Conference on Microelectronics

Date of Conference:

19-22 Dec. 2010