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IEICE TRANSACTIONS on Information

Efficient VLSI Design of Residue-to-Binary Converter for the Moduli Set (2n, 2n+1 - 1, 2n - 1)

Su-Hon LIN, Ming-Hwa SHEU, Chao-Hsiang WANG

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Summary :

The moduli set (2n, 2n+1-1, 2n-1) which is free of (2n+1)-type modulus is profitable to construct a high-performance residue number system (RNS). In this paper, we derive a reduced-complexity residue-to-binary conversion algorithm for the moduli set (2n, 2n+1-1, 2n-1) by using New Chinese Remainder Theorem (CRT). The resulting converter architecture mainly consists of simple adder and multiplexer (MUX) which is suitable to realize an efficient VLSI implementation. For the various dynamic range (DR) requirements, the experimental results show that the proposed converter can significantly achieve at least 23.3% average Area-Time (AT) saving when comparing with the latest designs. Based on UMC 0.18 µm CMOS cell-based technology, the chip area for 16-bit residue-to-binary converter is 931931 µm2 and its working frequency is about 135 MHz including I/O pad.

Publication
IEICE TRANSACTIONS on Information Vol.E91-D No.7 pp.2058-2060
Publication Date
2008/07/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e91-d.7.2058
Type of Manuscript
LETTER
Category
Computer Systems

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