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LMV761: Different marking and Missing Pin1

Part Number: LMV761
Other Parts Discussed in Thread: TPS3808

Hello,

My customer is requestinig my assistance on a part that they bought and told me that it looks different from their previous lot.

Lot on the left (87L) is date code 18+ whlle the rest that they bought is 19+

Are there any changes to the chip in the different date codes? Such as different font and missing pin 1 marking. 

Please advise, thank you!