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TMS320F28333: The BGA package has some scratches and contamination (P/N:TMS320F28335ZHHA)

Part Number: TMS320F28333

Hi  Dear , we recently bought a package of goods from DIGIKEY  (P/N:TMS320F28335ZHHA). After the appearance inspection, we found some scratches and contamination. Is this a normal phenomenon? Will it affect use? See picture for details.We are very grateful for your valuable answers !