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TPS799: PIN 1 INDEX

Masumi FUJITA
Prodigy 10 points
Part Number: TPS799

Hi,

Are there two types of 1-pin markings for this product?
I don't know which one is correct, or if both are correct.

A type

B type

Thanks,

Masumi

  • +1
    TI__Genius 12960 points

    Hello Masumi,

                           It looks like that the device does come in two types of Pin-1 marking and they are both correct. The convention for most plastic rectangular packages is to look at the package in the horizontal direction and read the text/marking on it correctly from left to right. Pin 1 is then in the lower left corner. In the A-Type image, Pin 1 is also indicated with the help of the Dot. In the B-type image the horizontal bar on the package helps identify the edge of the package on which Pin 1 is located. The remaining pins are numbered counter-clockwise across the bottom and around to the top. Hope this was of help, let us know if you have more questions. Thanks!

    Regards,

    Srikanth 

  • 0 in reply to Srikanth Lolla Venkata
    Prodigy 10 points

    Hello Srikanth,

    Thank you!
    I'm glad to know that.

    Regards,

    Masumi