Reliable binary signed digit number adder design

F. Kharbash, G. M. Chaudhry

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The Binary Signed Digit Number (BSDN) system is used implicitly or explicitly to speed up arithmetic operations in many digital systems. This is due to its capability of carry-free addition and regular layout. Also, with the proper selection of the encoding scheme used to encode the BSDN digit set D={-1, 0, 1} into binary bits, an error detection capability feature can be gained. In this work, we present the design of BSDN full adder cell using the 1-out-of-3 encoding with and without error detection capability. Synthesis results showed that the carry-free addition feature of the BSDN adder is preserved in the proposed design regardless of the inputs size. Also the overall adder performance depends on the desired level of error detection and the effectiveness of the used BSDN full adder.

Original languageEnglish
Title of host publicationProceedings - IEEE Computer Society Annual Symposium on VLSI
Subtitle of host publicationEmerging VLSI Technologies and Architectures
Pages479-484
Number of pages6
DOIs
Publication statusPublished - 2007
Externally publishedYes
EventIEEE Computer Society Annual Symposium on VLSI: Emerging VLSI Technologies and Architectures, ISVLSI'07 - Porto Alegre, Brazil
Duration: Mar 9 2007Mar 11 2007

Publication series

NameProceedings - IEEE Computer Society Annual Symposium on VLSI: Emerging VLSI Technologies and Architectures

Other

OtherIEEE Computer Society Annual Symposium on VLSI: Emerging VLSI Technologies and Architectures, ISVLSI'07
Country/TerritoryBrazil
CityPorto Alegre
Period3/9/073/11/07

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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