Comprehensive Comparison of NULL Convention Logic Threshold Gate Implementations

Asynchronous circuits offer many advantages including no clock, reliable operation, flexible timing requirement, and low electro-magnetic interference. NULL Convention Logic (NCL), as a popular quasi-delay-insensitive asynchronous design paradigm, incorporates threshold gates as its logic family. Th...

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Bibliographic Details
Published in2018 New Generation of CAS (NGCAS) pp. 37 - 40
Main Authors Haulmark, Kelby, Khalil, Wassim, Bouillon, William, Di, Jia
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2018
Subjects
asynchronous logic
Clocks
gate implementation
Inverters
Logic gates
MOSFET
NULL Convention Logic
Propagation delay
Switches
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Summary:Asynchronous circuits offer many advantages including no clock, reliable operation, flexible timing requirement, and low electro-magnetic interference. NULL Convention Logic (NCL), as a popular quasi-delay-insensitive asynchronous design paradigm, incorporates threshold gates as its logic family. The implementations of these gates directly impact the performance of NCL circuits. This paper features eight NCL implementations published in literature and compares them across various metrics. The results and analysis can be used by designers for selecting the most appropriate design for their specific applications.
DOI:10.1109/NGCAS.2018.8572223