2.5D Packages: How to Monitor Today So They Don’t Fail Tomorrow - A GUC 7nm HBM Controller ASIC Use Case
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A new approach to 2.5D package reliability will be discussed and results from a GUC HBM2E 3.2Gbps PHY and CoWoS will be presented.
• About HBM I/O and CoWoS bump quality monitoring in GUC’s 7nm and 5nm HBM2E PHYs
• How accuracy was validated in GUC’s 7nm and 5nm HBM2E testchips
• How to monitor quality in the field during normal chip operation
• How to prevent system operation failure and extend chip lifetime
• How to identify marginal IOs and CoWoS bumps via advanced analytics, long before HBM interface failure occurs
• How repair algorithms replace marginal IOs/ bumps with redundant ones at next boot cycle