Reduce Customer Returns and Slash Debug Time by up to 90%
By bridging design and test, VT can validate your test program long before first silicon. This can greatly decrease customer returns and nasty post-silicon surprises. It can also reduce time-to-market, allowing you to ship much earlier.
Design and test are a world apart, each with their own tools and technical languages. Therefore, going only one way from design to test without validation feedback puts you at risk of having your customers closing this open loop. It also makes it harder and more time-consuming to debug failures reported by Automatic Test Equipment (ATE), directly impacting time-to-market.
By bridging design and test, VT can validate your test program long before first silicon. This can greatly decrease customer returns and nasty post-silicon surprises. It can also reduce time-to-market, allowing you to ship much earlier.
Closed-loop systems are well-known for their stability, which is why we applied this concept to test engineering. To close the loop, the typical Design-to-Test process is complemented by creating an ATE-aware test bench in the design environment. This allows earlier failure detection, accelerating test program bring up and debug while improving quality.
VT converts your test program files into an ATE-aware Verilog model that emulates how Automatic Test Equipment drives the DUT. This allows early pre-silicon testing on EDA tools with the same results as post-silicon ATE would produce. It ensures that tests are ATE-compatible, identifies pattern conversion issues, and allows focusing only on Silicon upon ATE failures, making production test debug shorter and more predictable.
When the test team can’t access the design, using VT can be a challenge as its ATE-aware test bench needs to be simulated with the IC model. Luckily, VT can still be used in such cases, as design and test teams can share the ATE-aware Verilog test bench without sharing the IC model.
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