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A novel multiplier recoding technique and its application to the development of a high-speed parallel online multiply-accumulate architecture

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2 Author(s)
Natter, W.G. ; Synthesis & Static Verification, Nortel Networks, Ottawa, Ont., Canada ; Nowrouzian, B.

This paper is concerned with the development of a novel 6-digit overlapped scanning technique for the efficient recoding of signed-binary (SB) numbers in their minimally redundant base-4 representation having (-2, -1, 0, 1, 2) as their digit set. This technique permits a reduction of the number of partial products in a multiplication by a factor of two if applied to multiplier recoding (in much the same manner as the modified-Booth recoding technique), with the added advantage of being applicable to purely SB multiplication. The proposed 6-digit overlapped scanning technique is applied to the development and the subsequent FPGA hardware is translated into an architecture for parallel online purely SB MAC operation

Published in:

Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on  (Volume:2 )

Date of Conference:

6-9 May 2001