Wired And

Discussion in 'General Electronics Chat' started by Code, Dec 9, 2005.

  1. Code

    Thread Starter New Member

    Nov 29, 2005
    3
    0
    Hello,

    here's a little question about open colector and wired and.


    Out = X Y

    Question:

    the output will be true when the circuit is closed (as in the figure) with the ground connections "closed". Is that correct?

    Is the following correct?

    - when they are all unconnected they dont send the 0 from the ground so the output gets the 1 from the Resistance

    - when they are all connected they all send the 0 from the ground so the output is 0 because 0 goes above 1 in OC

    - when one is connected it sends a 0 from the ground and the output is 0

    Thanks.
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Hi,

    If you're using positive logic, than your two switches make a wired NOR function. The output is true wuth neither input, and is false if one or both is made. A OR B = notC.
     
  3. Gorgon

    Senior Member

    Aug 14, 2005
    113
    0
    Hi,
    This is an AND gate. The function is Out=X AND Y.

    If both X AND Y is connected then Out is high(+V), and only then!

    TOK ;)
     
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