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fact sheet

Questa Verification IP for PCI Express®

Exhaustive verification of PCIe-based IP and SoCs including the latest PCIe® Gen6.0 specification.

Siemens EDA Questa VIP integrates integrates seamlessly into advanced verification environments including testbenches built using UVM, Verilog, and VHDL. Siemens EDA, a part of Siemens Digital Industries Software, supports the leading industry-standard bus families, like PCIe, USB, and Ethernet, as well as thousands of DRAM and FLASH memory models. Questa VIP is the industry’s only VIP with a native SystemVerilog UVM architecture across all protocols, ensuring maximum productivity and flexibility.


  • Architected for ease-of-use and consistency across all protocols

  • Comprehensive stimulus and available standard-based test suites

  • Exhaustive protocol coverage and protocol checks

  • UVM based testbench with ready- to-use components like monitors, loggers, and scoreboards

  • Intuitive debug with transaction viewing and tracker files at various levels


  • Latest specification and feature support for PCIe® 6.0

  • Comprehensive verification solution for all PCIe® based devices: RC, RP, EP, switch, and retimer

  • Built-in analysis components

    • Protocol checkers

    • Transaction loggers

    • Functional coverage

    • Performance statistics

  • Extensive stimulus from available compliance test suite for verification of each PCIe® layer

Supported specifications

  • PCI Express® Base Specification Revision 6.0, version 1.0

  • PCI Express® Architecture Link Layer and Transaction Layer Test Specification Revision 5.0, version 0.91 (PCI-SIG® Compliance)

  • PHY Interface for PCI Express® (PIPE), version 6.1