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Syafril's avatar
Syafril
Icon for New Contributor rankNew Contributor
1 day ago

EP4CGX22CF19C8N Failure Short D8 to C8

We encounter failure for EP4CGX22CF19C8N related to pin D8 to C8. Failure observed during turn on stage on system level. Further verification leading to EP4CGX22CF19C8N shorted related from pin D8 to C8. We conducted ABA swap and the issue resolve. Failure follows the bad part. Table below indicates measurement comparison between good unit and failed unit. Please advise what would be the caused for this issue?

ConditionReading (from U57.D8 to U58.C8)
Good PartOL (Open Loop)
Bad Part2.1 Ohm
quality|reliability

1 Reply

  • AqidAyman_Altera's avatar
    AqidAyman_Altera
    Icon for Regular Contributor rankRegular Contributor
    1 hour ago

    Hello,

     

    Can you identify how many units that was affected? What is the failure rate?

     

    Regards,

    Aqid