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TMS320C6455: C6455 topside marking and white dot issue

Shine
Genius 13655 points
Part Number: TMS320C6455

Hello Champs,

Customer purchased a batch of TMS320C6455BZTZA chips from Rochester Electronics.

1. There is a little white dot on every C6455 device. Please see below pictures. Is it a quality issue? 


2. He found the topside marking is different. Are both "@2005 TI" and "@2005 TI  ZTZ" correct?




Thanks.

Best Regards
Shine

  • 0
    TI__Guru**** 161600 points
    Hi Shine,
    1. There is a little white dot on every C6455 device. Please see below pictures. Is it a quality issue?

    Yes, this looks like quality issue.

    2. He found the topside marking is different. Are both "@2005 TI" and "@2005 TI ZTZ" correct?

    Yes, I think both are correct.

    I've notified the hw team to elaborate if necessary.

    Best Regards,
    Yordan
  • 0 in reply to Yordan Kovachev
    TI__Guru* 78495 points
    Hi Shine
    I am assuming the following post is related to your post
    e2e.ti.com/.../678546

    If so, I will go ahead and close the other thread and point the poster to this thread for future updates.
    I have forwarded the previous post to the quality team to comment on whether it is a quality issue or not.
    We will update this post once we have inputs from the quality team.

    Regards
    Mukul
  • 0 in reply to Mukul Bhatnagar
    TI__Genius 13655 points
    Hi Mukul & Yordan,

    Thanks for your great support.

    Yes, I think the two posts are the same.

    Rgds
    Shine
  • 0 in reply to Shine
    TI__Guru* 78495 points

    Hi Shine
    We consulted the quality team on this and their recommendation was as follows

    “Please contact your Rochester representative for this inquiry. We are not able to provide genealogy or other support for the pictured units via E2E. Inquiries relative to material validity/genealogy should be directed to your contact from whom you purchased the units.”


    Regards
    Mukul

  • 0 in reply to Mukul Bhatnagar
    TI__Genius 13655 points
    Hello Mukul,

    OKay.

    Thanks a lot.

    Best Regards
    Shine
  • 0 in reply to Yordan Kovachev
    Prodigy 10 points

    Hi Shine, We've bought these parts from ICKEY, one local distributor of REI, they argues that this is not quality issue unless we have test report to prove that, however, our QC rejects the parts directly, which makes sense because the appearance problem is so obvious.  Ickey said that their communication with REI and TI was confidential.  It sounds irresponsible and is very hard to convince us.   Could you help us check with REI?  Thanks!