Fast and VLSI efficient binary-to-CSD encoder using bypass signal

Original Publication: M Faust, Oscar Gustafsson and C-H Chang, Fast and VLSI efficient binary-to-CSD encoder using bypass signal, 2011, ELECTRONICS LETTERS, (47), 1, 18-19. http://dx.doi.org/10.1049/el.2010.3055 Copyright: Iet http://www.theiet.org/
The generation of a canonical signed digit representation from a binary representation is revisited. Based on the property that each nonzero digit is surrounded by a zero digit, a hardware-efficient conversion method using bypass instead of carry propagation is proposed. The proposed method requires less area per digit and the required bypass signal can be generated or propagated with only a single NOR gate. It is shown that the proposed converter outperforms previous converters and a look-ahead circuitry to speed up the generation of bypass signals is also proposed.

Gustafsson, OscarLinköpings universitet,Elektroniksystem,Tekniska högskolan(Swepub:liu)oscgu95 (författare)
Chang, C-HNanyang Technology University (författare)
Nanyang Technology UniversityElektroniksystem (creator_code:org_t)

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