Low power constant multiplier With variable precision computing capability
- Authors
- Lee, Young-Geun; Jung, Han-Sam; Chung, Ki Seok
- Issue Date
- Oct-2008
- Publisher
- IEEE
- Citation
- International Conference on Solid-State and Integrated Circuits Technology Proceedings, ICSICT, pp.2120 - 2123
- Indexed
- SCOPUS
- Journal Title
- International Conference on Solid-State and Integrated Circuits Technology Proceedings, ICSICT
- Start Page
- 2120
- End Page
- 2123
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/177802
- DOI
- 10.1109/ICSICT.2008.4735013
- ISSN
- 0000-0000
- Abstract
- It is well-known that shifting can replace a constant multiplication if the constant is a power of 2. We extend this idea in such a way that by employing more than 2 barrel shifters and a supplementary multiplier we can design a very efficient constant multiplier for general constants. With a support of variable precision computation, we can achieve high computational efficiency while maintaining decent computational accuracy. When compared with conventional multipliers, we could achieve up to 56% of power saving while having negligible computational errors.
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