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Original question:

UCD9222: power-on waveforms are not monotonous

UCD9222: Device marking

Liu Yang
Expert 8685 points
Part Number: UCD9222

Hi Team,

Please help to refer attachment for the 2nd line of body marking is Date code?
of not please advise what is the meaning for this line number 2 body marking.

Best Regards,
Tom Liu

  • 0
    TI__Expert 5965 points

    Hi Tom,

    The 2nd row marking (81I) indicates Year, Month and assembly site. In this case, i think it's manufactured in 2018, January. I'm not sure which assembly site of "I".

    The 3rd row (CHV4) should be the lot code. 

    Regards,

    Weidong