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...

i guess I was reading it wrong. I was reading from the back when compared to layout of datasheet. If it was introduce in 2012 than date code can't be 2011? I would need a doc showing the translation of the year and week to confirm this. By the label....

Yes, that points the date code area but it does not translate what year or week it is? In this device, looks like date code is 114. there should be a cheat sheet show show 1 is what year and 14 is what week? Are you able to provide info? Also, what i...