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pin diagram

Discussion in 'General Electronics Discussion' started by Anupama Arun, Dec 24, 2014.

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  1. Anupama Arun

    Anupama Arun

    Dec 22, 2014

    I am new to PCB design. I have attached the pin diagram of the chip I am using. It is LMT84 chip from TI. Could anybody please clarify these questions,

    1) What is the size of the SMD pads? Is it 0.5 x 0.3 or 0.5 x0.15? What does (0.30/0.15) mean?
    2) Also what does the dimension 2.15/1.85 and 1.40/1.1 mean?

    Thanks in advance
  2. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    Nov 28, 2011
    If you want the PCB pad details, look at the next page of the data sheet:

    LMT84 pads.png

    Numbers written one on top of the other, with a line between, are maximum (above the line) and minimum (below the line) specifications.
    chopnhack and Anupama Arun like this.
  3. Anupama Arun

    Anupama Arun

    Dec 22, 2014
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