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Published in:
2011 | OriginalPaper | Chapter
Multiplexer Based Circuit Synthesis with Area-Power Trade-Off
Authors : Sambhu Nath Pradhan, Santanu Chattopadhyay
Published in: Advanced Computing
Publisher: Springer Berlin Heidelberg
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Due to the regularity of implementation, multiplexers are widely used in VLSI circuit synthesis. This paper proposes a technique for decomposing a function into 2-to-1 multiplexers performing area-power tradeoff. To the best of our knowledge this is the first ever effort to incorporate leakage into power calculation for multiplexer based decomposition. With respect to an initial ROBDD (Reduced Ordered Binary Decision Diagram) based representation of the function, the scheme shows more than 30% reduction in area, leakage and switching for the LGSynth91 benchmarks without performance degradation. It also enumerates the trade-offs present in the solution space for different weights associated with these three quantities.