Hi,
Could you confirm this is the normal roughened-leadframe look and not oxidation?
Also, does the device marking on the unit match the specification?







Thanks and best regards.
Jun Li
Jun Li







Hello Jun Li,
Yes, this look is normal for roughened lead frame.
If you suspect an issue with this unit, please confirm that you have purchased this unit from TI.com or an approved vendor. Please see Anti-counterfeit | Quality policies & procedures and Vendor List for more details.
Best,
Andrew