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Original question:

DETAILS ON SN65HVD78DR RS485 IC

SN65HVD78: Marking on the back

Liu Yang
Expert 5550 points
Part Number: SN65HVD78

Hi Team,

For the chips from the same tape and reel their back marking are different.
Is it normal?

Beat Regards,
Tom Liu

  • 0
    TI__Genius 9497 points

    Hi Tom,

    I have contacted our Quality Engineer to help out with this question. I will either get back to you by the end of today 5pm CT, or tomorrow by around noon CT. 

    Thank you,

    Regards,

    Tyler

  • +1
    TI__Genius 9497 points

    Hi Tom,

    Our Quality Engineer got back with me very quickly. 

    The markings on the back of these devices is normal.  It has to do with the mold properties used during assembly processes. This information is internal to TI. 

    These devices will have the same functionality.

    Regards,

    Tyler