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  4. Fanout-Bounded Logic Synthesis for Emerging Technologies - A Top-Down Approach
 
conference paper

Fanout-Bounded Logic Synthesis for Emerging Technologies - A Top-Down Approach

Marakkalage, Dewmini Sudara  
•
De Micheli, Giovanni  
April 17, 2023
2023 Design, Automation & Test In Europe Conference & Exhibition, Date
Design, Automation and Test in Europe Conference and Exhibition (DATE)

In logic circuits, the number of fanouts a gate can drive is limited, and such limits are tighter in emerging technologies such as superconducting electronic circuits. In this work, we study the problem of resynthesizing a logic network with bounded-fanout gates while minimizing area. We 1) formulate this problem for a fixed target logic depth as an integer linear program (ILP) and present exact solutions for small logic networks, and 2) propose a top-down approach to construct a feasible solution to the ILP which yields an efficient algorithm for fanout bounded synthesis. When using the minimum depth achievable with unbounded fanouts as the target logic depth, our top-down approach achieves 11.82% better area as compared to the stateof-the-art with matching or better delays.

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DATE2023.pdf

Type

Postprint

Version

Accepted version

Access type

openaccess

License Condition

copyright

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270.64 KB

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Adobe PDF

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8c82862149392285aa194396358145e9

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