Forum Discussion

Randy1's avatar
Randy1
Icon for New Contributor rankNew Contributor
5 years ago

Quartus appears to sometimes, incorrectly report Blank Check Failures

Our production programming station has reported intermittent blank check failures even though they have performed the erase operation prior to the blank check. The JIC file was read back from the sus...
JohnT_Altera's avatar
JohnT_Altera
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,


May I know if you are facing any issue when directly programming the new jic file without the blank check?


Have you try to performed erased 1st and then only performed blank check? In 2 different flow


Randy1's avatar
Randy1
Icon for New Contributor rankNew Contributor
5 years ago

Hello, It turns out that the production test folks have tried the two things you mention.

1) If they Program and Verify only (with no blank check), they have not observed any failures.

2) If they Erase and then Blank Check over and over, they observe intermittent failures.

In at least one of the cases where they did and Erase and observed a Blank Check failure, they read back the device and were able to show that it was actually blank.