Modeling and design of asynchronous circuits

J.B. Josephs, S.M. Nowick, C.H. Berkel, van

Research output: Contribution to journalArticleAcademicpeer-review

32 Citations (Scopus)

Abstract

This technology review explores the behavioral and structural design domains for asynchronous circuits and systems. It proceeds bottom up, introducing relevant concepts, terminology and techniques through a succession of simple examples. There are seven main points: 1) Signal transitions provide a key to understanding the switching behavior of asynchronous logic. 2) Burst-mode circuits and speed-independent control circuits offer reliable operation that is free from glitches. 3) Various notations are available for specification of control circuitry and as a starting point for logic synthesis. 4) Bundled data and delay-insensitive coding schemes are suitable for representing data because they address the issues of data validity and completion detection. 5) Asynchronous networks, constructed from modules and channels, provide a systems architecture for asynchronous design. 6) Handshaking on channels, which controls data communication and synchronization between modules, is implemented using signal transitions. 7) The translation of algorithmic descriptions into asynchronous networks facilitates an automated approach to large-scale system design.
Original languageEnglish
Pages (from-to)234-242
Number of pages9
JournalProceedings of the IEEE
Volume87
Issue number2
DOIs
Publication statusPublished - 1999

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