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SN75LVDS83B: SN75LVDS83BZQLR

Part Number: SN75LVDS83B

Tool/software:

Dear Sir, 

SN75LVDS83BZQLR, this is an obsolete part. We have DC11+ and DC13+ parts on hand, and we have found the X-RAY images are very different.  Referring to photos below

Is it normal observation? or is there any PCN of this part between DC11+ and DC13+ parts? Please help advise 

DC11+ X-RAY image & label photo 

DC13+ X-RAY image & label photo