Majority-based logic synthesis for nanometric technologies

Majority-based logic has received considerable attention due to emergent technologies that use the majority function as basic operation. As a consequence, the design of digital circuits using the majority-based logic has also been considered. Existing works essentially proposed different cell librar...

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Bibliographic Details
Main Authors: Martins, Mayler G. A., Callegaro, Vinicius, Marranghello, Felipe S., Ribas, Renato P., Reis, Andre I.
Format: Conference Proceeding
Language:English
Subjects:
Boolean functions
cell library
Circuit synthesis
Functional composition
Inverters
Libraries
Logic gates
logic synthesis
majority gate
nanodevices
Optimization
QCA
Quantum cellular automata
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Summary:Majority-based logic has received considerable attention due to emergent technologies that use the majority function as basic operation. As a consequence, the design of digital circuits using the majority-based logic has also been considered. Existing works essentially proposed different cell libraries to be applied in logic synthesis. However, the comparison between different approaches may not be straightforward since distinct circuit synthesis methodologies may be exploited. In order to allow a fair comparison of methodologies of generating quantum cellular automata (QCA) cell libraries and for performing QCA circuit synthesis is presented. The proposed library generation methodology is generic enough so that different basic logic functions can be considered. In addition to previous considered libraries, this work also considers a library comprising all 3-input functions implemented using both majority and AND-OR-Inverter gates. Experimental results compare different QCA libraries, showing that considering different basic gates leads to an average area reduction of up to 47%.
ISSN:1944-9399
1944-9380
DOI:10.1109/NANO.2014.6968043