Questa RDC verification

Questa RDC leverages the CDC path and waiver information taken from Questa CDC analysis, then executes a comprehensive, formal-based analysis that focuses on the actual functional reset-domain crossing paths for high throughput and the most deterministic path to actionable results.

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Questa RDC verification
Key features

Questa RDC verification

Reset-domain crossings (RDCs) can expose a design to data loss or control signal corruption, just like clock-domain crossings. Questa RDC formally and exhaustively verifies reset-domain crossings, providing a high-value, low-effort path to extending your domain crossing verification to RDCs.

Sophisticated, exhaustive analysis

High performance

Questa RDC is designed to automatically employ formal analysis to exhaustively identify RDC issues in your design. Specifically, taking your RTL as input, Questa RDC automatically performs an exhaustive, bottom-up reset tree analysis, then automatically generates and proves assertions that cover numerous reset-domain specific structural checks.

Rapid bring-up

Easy set-up

Direct reuse of Questa CDC RTL-level setups, constraints, waivers, and results enables reset-domain and clock groupings to be automatically inferred and reported. Automated incorporation of synthesis design constraints (SDC), Liberty models, and Unified Power Format (UPF) specifications further expedites bring-up.

Ease of use

Support for experts and novices

Reset signaling and clock groupings are automatically inferred and reported with each run to confirm there are no unexpected changes. Questa RDC pinpoints all potential RDC issues and automatically identifies any existing RDC synchronization structures. No testbench is required. Custom synchronizers can be created for proprietary synchronization strategies.

Static-based verification

Upcoming and on-demand events

View all available CDC, Lint and RDC video recordings at the Verification Academy.

Questa RDC Verification

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Verification Academy provides the skills necessary to mature an organization's functional verification process capabilities, providing a methodological bridge between high-level value propositions and the low-level details.

Verification Horizons blog

Insight and updates on concepts, values, standards, methodologies, and examples to assist with the understanding of what advanced functional verification technologies can do and how to most effectively apply them.

Verification Horizons

The Verification Horizons publication provides concepts, values, methodologies and examples to assist with the understanding of what advanced functional verification technologies can do and how to most effectively apply them.