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May 17, 2006 to May 20, 2006
ISBN: 0-7695-2532-6
pp: 4
Eun-Ju Choi , Chungbuk Nat?l University
Kyoung-Rok Cho , Chungbuk Nat?l University
This paper presents an asynchronous encoding scheme using a MVL(Multi-Value Logic). This scheme reduces not only the number of wires but also the switching activities. It is achieved by the two proposed data encoding methods, RT/NRT(Return to Ternary/ Non Return to Ternary) encoding and hybrid ternary one. Conventional ternary encoding makes all data lines to intermediate to generate completion signal. In RT/NRT encoding, however, data lines with transferring zero do not change to intermediate value in order to reduce the switching activities. In hybrid ternary encoding, it needs only two half-swing to transfer 2-bit data. Indeed, it only needs two lines. As the results, a RT/NRT encoding shows 25% reduction in the signal transition and it achieve power reduction about 27% comparing to the conventional ternary one. In addition, a hybrid ternary encoding achieves 23% energy reduction.
Eun-Ju Choi, Kyoung-Rok Cho, Je-Hoon Lee, "New Data Encoding Method with a Multi-Value Logic for Low Power Asynchronous Circuit Design", ISMVL, 2006, 36th International Symposium on Multiple-Valued Logic, 36th International Symposium on Multiple-Valued Logic 2006, pp. 4, doi:10.1109/ISMVL.2006.30
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