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Are these parts "Engineering Samples"?

BXion.1
Associate II

Part#: L99DZ81EPTR

Datasheet didn't indicate these are "Engineering Samples"?

Please some from ST run this label, thanks!

2 REPLIES 2

The data sheet is unlikely to indicate, but from 2013 quite likely an early production run..

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My customer is telling me the "ES" marking on bottom right stands for "Engineering Sample", Are they right? I don't have access to marking info so I don't know. Please help and kindly share marking info. Regards, [cid:image001.png@01D92515.C54E3C40]<>