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Automated Traceability Of Requirements In The Design And Verification Process Of Safety-Critical Mixed-Signal Systems

A proposal for an industry-compatible tool flow for an automated implementation of test cases for safety critical designs and verification.

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System-level design and verification of safety-critical hardware requires a consistent methodology which complies with industrial safety-standards, for example ISO 26262 for automotive applications. For certification of safety-critical systems, the development process has to implement and enforce a strict traceability of requirements, linking the requirement specification, the design implementation, and the verification testbench and results. This is particularly challenging in the AMS domain since it spans multiple engineering and tool environments. No standardized industrial solution is available for this task. In this work we propose an industry-compatible tool flow for an automated implementation of test cases from system-level requirements including traceability of the verification flow. This automated tool flow accelerates the design and verification process of safety-critical systems while making it robust against human error. The workflow is demonstrated in the design and verification of an AMS block of an automotive SoC, a 12-bit 4-stage pipelined ADC.
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