External Memory Interface Handbook Volume 2: Design Guidelines: For UniPHY-based Device Families

ID 683385
Date 3/06/2023
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10.6.5. Use Freezer Spray and Heat Gun

If you have an intermittent marginal issue, apply cold or heat to the interface to stress the components.

Cooling ICs causes them to run faster, which makes timing easier. Conversely, heating ICs causes them to run slower, which makes timing more difficult.

If cooling or heating corrects the problem, it is probably a timing issue.