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Determining which pin on a component corresponds to the pins on the data sheet?

Discussion in 'General Electronics Discussion' started by Steffen, May 1, 2012.

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  1. Steffen


    Apr 8, 2012

    It's in the SOIC packaging, which I see is the reason it doesn't fit a breadboard - oh well. But I can't tell which pins are which.

    I would normally assume that the lettering starts at pin 1, but from the top view the lettering starts at pin 8. In the functional block diagram the pins are reversed from the first page.

    Does anyone know how to tell? Is there any way to test without being likely to fry the thing?
  2. BobK


    Jan 5, 2010
    There is a dot marking pin 1 and the pins are then numbered counter-clockwise from there. The block diagram is not any indication of where the pins are on the package.

  3. Steffen


    Apr 8, 2012
    Thank you very much, Bob, I have found the dot.
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