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Questa One

Simulation

The Questa One simulation product suite provides comprehensive verification tools that addresses the challenges of functional simulation and fault simulation.

Discover simulation products

Built on the foundation of oneness, the Questa One Simulation product suite unifies functional and fault simulation with integrated debugging to a single platform using a single database to enhance collaboration and productivity.

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Functional simulation

Questa One Sim

The evolution of functional simulation brings together faster engines, providing a productivity boost that enables faster engineers and delivering cutting-edge technologies that help finish verification using fewer workloads.

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Fault simulation for FuSa

Questa One Sim FX

Questa One Sim FX provides scalable, concurrent fault simulation to analyze and validate the resilience of safety-critical designs to mitigate random faults.

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Functional Fault grading for DFT

Questa One Sim FX

Questa One Sim FX enhances defect coverage by grading faults not detected by structural testing, ensuring ICs are ready for deployment in critical applications.

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Coverage acceleration

Questa One Sim CX

Accelerate coverage closure with the advanced constraint solver, designed to speed up coverage closure pain points and reduce overall project time and compute resources.

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DFT Acceleration

Questa One Sim DX

Accelerate DFT pattern verification using Questa One Sim DFT acceleration technologies in partnership with Tessent.

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GLS X-pessimism removal

Questa One Sim Xact

Questa One Sim Xact’s innovative formal analysis and flow automation streamlines GLS bring-up, leading to better and more complete sign-off verification.

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Power Aware simulation

Questa One Sim PA

Start verifying the active power management planned for implementation early in the design process. Leverage static and dynamic checks during simulation to find behavioral issues.