article · IEE Proceedings - Circuits Devices and Systems · 2003

Designing robust asynchronous circuit components

Siamak Mohammadi, Steve Furber, Jim Garside

Cited by 11Abstract and details only

Abstract

Asynchronous circuits require components that display hazard-free operation under normal input conditions. In addition, quasi-delay-insensitive circuits are based on the assumption of isochronic forks, an assumption that can in practice be compromised by threshold variations due to the use of, for example, dynamic or pseudo-dynamic C-gate circuits. In the paper, the authors investigate the severity of these problems in practical circuits. It is shown that threshold variations are much less significant than has previously been assumed, but hazard-free operation is, by contrast, a much more significant problem. Gates with a stack of transistors in series can exhibit charge-sharing problems under specific input sequences that expose hazards that are not evident in the logic description. A design methodology is proposed which overcomes the charge-sharing problem, resulting in more robust circuits.

Cite this paper

APA 7

Mohammadi, S., Furber, S., & Garside, J. (2003). Designing robust asynchronous circuit components. IEE Proceedings - Circuits Devices and Systems, 150(3), 161. https://doi.org/10.1049/ip-cds:20030349

MLA 9

Mohammadi, Siamak, et al. “Designing robust asynchronous circuit components.” IEE Proceedings - Circuits Devices and Systems, vol. 150, no. 3, 2003, p. 161, https://doi.org/10.1049/ip-cds:20030349.

Chicago

Mohammadi, Siamak, Steve Furber, and Jim Garside. 2003. “Designing robust asynchronous circuit components.” IEE Proceedings - Circuits Devices and Systems 150 (3): 161. https://doi.org/10.1049/ip-cds:20030349.

Harvard

Mohammadi, S., Furber, S. and Garside, J. (2003) ‘Designing robust asynchronous circuit components’, IEE Proceedings - Circuits Devices and Systems, 150(3), p. 161. Available at: https://doi.org/10.1049/ip-cds:20030349.

BibTeX

@article{mohammadi2003designing,
  title = {{Designing robust asynchronous circuit components}},
  author = {Mohammadi, Siamak and Furber, Steve and Garside, Jim},
  journal = {IEE Proceedings - Circuits Devices and Systems},
  volume = {150},
  number = {3},
  pages = {161},
  year = {2003},
  doi = {10.1049/ip-cds:20030349}
}

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