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What does "Enable" mean in this picture? The EN

  1. Jan 28, 2015 #1
    upload_2015-1-29_0-21-2.png

    I been searching

    upload_2015-1-29_0-21-15.png

    upload_2015-1-29_0-21-23.png
     
  2. jcsd
  3. Jan 29, 2015 #2

    Svein

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    Science Advisor

    This is a combinatorial circuit. The logic equation is [itex]\neg (((A \wedge B) \vee C) \vee EN) [/itex]. Thus, unless EN is asserted, nothing happens. That is why it is called "Enable".
     
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