A variant of a radix-10 combinational multiplier

A variant of a radix-10 combinational multiplier
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DOI:
10.1109/iscas.2008.4542181
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发表时间:
2008-05
期刊:
2008 IEEE International Symposium on Circuits and Systems
影响因子:
--
通讯作者:
L. Dadda;A. Nannarelli
L. Dadda;A. Nannarelli
中科院分区:
其他
文献类型:
--
作者:
L. Dadda;A. Nannarelli

文献摘要

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我们考虑在 Lang 和 Nannarelli 提出的组合十进制乘法器中添加部分积的问题。在原始论文中,这种加法是通过十进制进位保存加法器树完成的。在本文中,我们使用Daddy之前发布的多操作数十进制加法来处理该问题,其中首先以二进制形式获得部分乘积数组的每一列的和,然后转换为十进制。使用 90 nm CMOS 技术的乘法在该修改方案中需要 2.51 ns,而在原始方案中需要 2.65 ns。两个方案的面积大致相同。
We consider the problem of adding the partial products in the combinational decimal multiplier presented by Lang and Nannarelli. In the original paper this addition is done with a tree of decimal carry-save adders. In this paper, we treat the problem using the multi-operand decimal addition previously published by Dadda, where the sum of each column of the partial product array is obtained first in binary form and then converted to decimal. The multiplication, using a 90 nm CMOS technology, in this modified scheme takes 2.51 ns, while in the original scheme it takes 2.65 ns. The area of the two schemes is roughly the same.