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Three Verification Challenges

Explore the various challenges faced in ASIC verification, including the quantity and difficulty of work, efficiency, VIP usage, power management, exit criteria, verification languages/methodologies/tools, and design/systemization considerations. Discover the benefits of using Transaction-Level Modeling (TLM) for early verification and the decision-making process for choosing between in-house or outsourced VIP development. Understand the importance of design for verification at the RTL, block architecture, and ASIC levels in ensuring quality and time-to-market.

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Three Verification Challenges

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  1. Three Verification Challenges Hans Lundén Digital ASIC Manager Functional Verification

  2. CHallenges? • Verification challenge areas • Quantity of verification work (Integration, complexity) • Difficulty of verification work (Complexity) • Efficiency (Quality vs TTM and cost) • VIP • Power management • Exit criteria (Efficiency) • Languages/Methodologies/Tools • Design/Systemization for Verification • TLM in Verification • ….

  3. TLM in verification • Started to use TLM to model ASIC functionality and its environment. • Both LT and AT models are used for several purposes. • System development. • Early SW development. • Early system performance investigations • Planned to be introduced also in verification. • Early verification test bench and test case development. • Why? • TTM (Time To Market)

  4. Verification IP • Internal VIPs • Develop in house or outsource? • Takes time. New VIPs is always a risk. • Standard VIP • Purchase or develop? • Decision from case to case. • VIP business not as mature as Design IP business. • Quality problems in VIPs often revealed very late in projects. • Why? • Quality.

  5. Design for Verification • “Design” is here including System down to RTL: • RTL level • Code to support verification. • Block architecture • Partitioning of functions and choice of interfaces between sub blocks that simplifies verification • ASIC level • Re-use • Minimize number of unique interfaces • Minimize number updated blocks • System and product mgmt level • Minimize number of unique interfaces • Minimize number of updated functions • Why? • Quality and TTM

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