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Armstrong et al.[1] have shown how critical races and function hazards can be suppressed in asynchronous sequential circuits by using gate delays to advantage rather than introducing explicit delay elements, if certain delay assumptions are satisfied. This paper shows that the same techniques may be used to design circuits which will respond reliably to simultaneous changes of several input variables.
Asynchronous circuits, delay element-free synthesis, hazards, multiple input changes.
D.L. Dietmeyer, R.R. Hackbart, "The Avoidance and Elimination of Function Hazards in Asynchronous Sequential Circuits", IEEE Transactions on Computers, vol. 20, no. , pp. 184-189, February 1971, doi:10.1109/T-C.1971.223209
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