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There is a long history of investigations and debates on whether a sequence of retiming and resynthesis is complete for all sequential transformations (on steady states). It has been shown that the sweep operation, which adds or removes registers not used by any output, is necessary for some sequential transformations. However, it is an open question whether retiming and resynthesis with sweep are...
We present a theory for modular refinement of Synchronous Sequential Circuits (SSMs) using Bounded Dataflow Networks (BDNs). We provide a procedure for implementing any SSM into an LI-BDN, a special class of BDNs with some good compositional properties. We show that the Latency-Insensitive property of LI-BDNs is preserved under parallel and iterative composition of LI-BDNs. Our theory permits one...
Iterative retiming and resynthesis is a powerful way to optimize sequential circuits but its massive adoption has been hampered by the hardness of verification. This paper tackles the problem of retiming and resynthesis equivalence checking on a pair of circuits. For this purpose we define the Complete-k-Distinguishability (C-k-D) property for any natural number k based on C-1-D. We show how the equivalence...
We present a practical, systematical method for the evaluation of the soft error rate (SER) of microelectronic devices. Existing methodologies, practices and tools are integrated in a common approach while highlighting the need for specific data or tools. The showcased method is particularly adapted for evaluating the SER of very complex microelectronic devices by engineers confronted to increasingly...
It is generally recognized that asynchronous operation of logic networks offers specific advantages over synchronous operation controlled by a central clock when the network is subject to large or widely varying inter-module propagation delays. In this paper we characterize several previously described techniques for achieving asynchronous operation by a single model. Essential to the model is the...
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