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In this work we extend a previously proposed digit- recurrence radix-10 division unit to be able to perform also radix-16 division. The extension is simplified by the fact that in the radix-10 implementation the quotient digit is decomposed into two parts and that this decomposition is also appropriate for the radix-16 case. Moreover, to reduce the latency in the radix- 10 the most-significant portion...
A fast calculation of the most-significant carry in an addition is required in several applications. It has been proposed to calculate this carry by detecting the most-significant carry chain and collecting the carry after this chain. The detection can be implemented by a prefix tree of AND gates and the collecting by a multi-input OR. We propose a multilevel implementation, which allows the overlap...
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