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CD74HCT4024: Part marking clarification

William Mackin
Intellectual 460 points
Part Number: CD74HCT4024

According to the website, the part marking for the CD74HCT4024M should be "HCT4024M".  We've found some parts in the bin that have the marking, "88AYCHKG4".  I understand the G4 means NiPdAu.

Is this a valid part marking for the CD74HCT4024?  

If so, what do the other pieces of the marking indicate?  

Thank you.

Bill

  • 0
    TI__Guru* 97046 points

    Hey Bill,

    It sounds like your reading the lot trace code (LTC) rather than the part number. We can't release the exact meaning of all parts of the LTC, however I can say that it allows us to track a device back to a particular wafer lot when we have a return.

    For the CD74HCT4024M, we would expect to see a TI logo in the top left corner of the device, followed by the LTC, then underneath that you'd see HCT4024M.