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TLV9064: TLV9064IRUCR land pattern dimension question

Chung SENLIN
Prodigy 80 points
Part Number: TLV9064

TLV9064IRUCR land pattern Length and Width = 0.68 + 1.1 + 0.68 = 2.46mm, but Length and Width spec is 2.45mm, that doesn't match. 

Below is length and width spec calculation data for reference.

Please help to clarify this questions, thanks.

Mark

  • Former Member
    0 Former Member

    Hi Mark,

    I can't immediately tell from the document.  My guess is that this is due to rounding.  The 0.68mm dimension might well be 0.675mm rounded up so all the numbers have just 2 digits.

    I'm going to dig around to try to confirm my theory, however.  I will come back and provide an update no later than tomorrow.

    Regards,

    Daniel

  • Former Member
    0 Former Member in reply to Former Member

    Hi Mark,

    I've heard back from the individual that covers this area.

    Unfortunately, the individuals responsible for the original creation of this document are no longer with the company.  The document itself is rather dated at this point and a new drawing has been created to reflect our new standards for QFN packages.  The new drawing for the package should be online soon, but I will include a pdf copy of it here below for your reference in the meantime.

    RUC_updated.pdf

    Please let me know if you have any further questions.

    Regards,

    Daniel