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Bridging the Design Methodologies of Burst-Mode Specifications and Signal Transition Graphs

Year: 2025
Type: conference-paper
Abstract: Asynchronous circuits are a promising type of digital circuit that still see moderate usage in today’s commercial products, which has often been linked to the adaptation challenges that are posed within industry, e.g. time required to develop new tools and train designers versus using existing synchronous tools to quickly meet market demands. Several formal models were introduced to aid with the design of asynchronous circuits, including Burst-Mode (BM) Specifications and Signal Transition Graphs (STGs). BM specifications resemble synchronous Finite State Machines (FSMs) allowing circuit designers to easily adapt and use them, however their circuit implementations may be limited due to declining tool support. STGs have access to well-established tools that produce optimal hazard-free circuit implementations, but they are seen as too different by the industry. In this paper, we present a new ‘co-design’ methodology that bridges the gap between BM specifications and STGs by using a formal model called Burst Automaton (BA). BA is a generic FSM-like model that acts as a framework for enabling interoperability between many different formal models, and offers several benefits that BM specifications and STGs can leverage. Our ‘co-design’ methodology is implemented in Workcraft, and is evaluated on several benchmarks showing an improved synthesis flow.
DOI: 10.57711/hja8-6581
Author: Chan A, Sokolov D, Khomenko V, Yakovlev A
Language: English
Open Access status: green
OpenAlex ID: W6973601740
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