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Diminished-one modulo 2n+1 adder design

delete2002-12-01
delete110
PRE
AI
V
Vergos, HT *
E
Efstathiou, C
N
Nikolos, D
DOI:10.1109/TC.2002.1146705delete
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摘要

摘要

En 中文
This paper presents two new design methodologies for modulo 2(n) + 1 addition in the diminished-one number system. The first design methodology leads to carry look-ahead, whereas the second to parallel-prefix adder implementations. VLSI realizations of the proposed circuits in a standard-cell technology are utilized for quantitative comparisons against the existing solutions. Our results indicate that the proposed carry look-ahead adders are area and time efficient for small values of n, while for the rest values of n the proposed parallel-prefix adders are considerably faster than any other already known in the open literature.
Keyword:
modulo 2(n)+1 addition
carry look-ahead addition
parallel-prefix adders
diminished-one number representation
VLSI adders

期刊

IEEE Transactions on Computers 封面图
IEEE Transactions on Computers
IF:
3.8
论文数:
5.4K
被引数:
9.8K

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