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SN54LVTH245A-SP: Schematic question for W (R-GDFP-F20) schematic

Benjamin Nold
Prodigy 70 points
Part Number: SN54LVTH245A-SP

Hi,

How do I read the mechanical data schematic for the R-GDFP-F20. Each measurement has two measurements, and upper and a lower measurement. Which one do I use?www.ti.com/.../mcfp006d.pdf

Thanks,

  • 0
    TI__Guru* 97046 points

    Hello,

    Values are given in inches and millimeters (mm in parenthesis).

    These are typically given as max/min -- for system designs, there are times when each value is better to use.

    For example, if you are looking at programming a pick and place machine, the minimum height would be used since that is the 'worst case' for the suction grabber.  However, if you are deciding on vertical clearance for a board, the maximum height would be used.