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We present the circuit-level verification of a common arbiter circuit. To perform this verification, we address three issues. First, we present a specification for the arbiter and show how this specification amounts to a set of topological constraints on trajectories of the continuous model. Second, we show that computing bounding sets for these trajectories is complicated by stiffness of the differential...
This paper presents the verification of an asynchronous arbiter modeled at the circuit level with non-linear ordinary differential equations. We use Brockett's annulus to represent the allowed families of continuous waveforms for input and output signals and show that the metastability filter of the arbiter can be understood as a "Brockett annulus transformer." Improvements to the Coho verification...
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