Null convention logic (NCL) based asynchronous design—fundamentals and recent advances

LD Tran, GI Matthews, P Beckett… - … Conference on Recent …, 2017 - ieeexplore.ieee.org
As clock skew and power consumption become major challenges in deep submicron design
of synchronous circuits, asynchronous designs, especially Null Convention Logic (NCL) …

Semi-custom NCL design with commercial EDA frameworks: Is it possible?

M Moreira, A Neutzling, M Martins… - 2014 20th IEEE …, 2014 - ieeexplore.ieee.org
Quasi delay-insensitive design is a promising solution for coping with contemporary silicon
technology problems such as aggressive process variations and tight power budgets …

Register-less NULL convention logic

MC Chang, PH Yang, ZG Pan - IEEE Transactions on Circuits …, 2016 - ieeexplore.ieee.org
NULL Convention Logic (NCL) is a promising design paradigm for constructing low-power
robust asynchronous circuits. The conventional NCL paradigm requires pipeline registers for …

Automatic layout synthesis with ASTRAN applied to asynchronous cells

A Ziesemer, R Reis, MT Moreira… - 2014 IEEE 5th Latin …, 2014 - ieeexplore.ieee.org
This work presents ASTRAN, a tool for automatic layout generation of cell libraries, and the
use of this tool in the production of a cell library for asynchronous logic components called …

Ncl+: Return-to-one null convention logic

MT Moreira, CHM Oliveira, RC Porto… - 2013 IEEE 56th …, 2013 - ieeexplore.ieee.org
Asynchronous paradigms are a way to deal with hard problems in newer technologies.
Among the templates for ensuring efficient asynchronous design, Null Convention Logic …

Low-power asynchronous NCL pipelines with fine-grain power gating and early sleep

MC Chang, MH Hsieh, PH Yang - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
NULL convention logic (NCL) is a promising design paradigm for constructing asynchronous
delay-insensitive circuits. This brief presents two novel NCL pipeline structures, called fine …

Asynchronous circuits: innovations in components, cell libraries and design templates

MT Moreira - 2016 - meriva.pucrs.br
For decades now, the synchronous paradigm has been the major choice of the industry for
building integrated circuits. Unfortunately, with the development of semiconductor industry …

Design of standard-cell libraries for asynchronous circuits with the ASCEnD flow

MT Moreira, NLV Calazans - 2013 IEEE Computer Society …, 2013 - ieeexplore.ieee.org
This work presents the ASCEnD flow, a design flow devised for the design of components
required for the design of asynchronous systems using standard-cells. The flow is fully …

[PDF][PDF] Multi objective analysis of NCL threshold gates with return to zero protocols

J Sudhakar, AM Prasad, AK Panda - IOSR Journal of Electronics and …, 2015 - academia.edu
This work scrutinizes the implementation and performance analysis of novel self-timed
asynchronous logic. These templates are based on a delay-insensitive (DI) logic paradigm …

Static differential NCL gates: toward low power

MT Moreira, M Arendt, FG Moraes… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This brief proposes a new topology for implementing differential null convention logic gates.
The new topology relies on the static implementation of conventional versions of such gates …