Is this a good logic diagram?

Discussion in 'General Electronics Chat' started by jcyang, Jan 21, 2010.

  1. jcyang

    Thread Starter New Member

    Jan 18, 2010
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    74181 from max+plus II.
    [​IMG]
    I was told that notation xN x_L ~x inside the chip with another invert bubble is not allowed.That is,you should either use one invert bubble,or use suffix N/_L to represent negative active input.

    Is altera wrong and the invert bubble should be removed?

    thanks.
     
    Last edited: Jan 22, 2010
  2. beenthere

    Retired Moderator

    Apr 20, 2004
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