Home Forums MagCAD Support Circuit Design Error SUM(0) pin disconnected

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  • #2287
    Abhishek AgrawalAbhishek Agrawal
    Participant

    Attaching my .qll file for carry save adder circuit. getting the above error.

    • This topic was modified 5 months, 2 weeks ago by Abhishek AgrawalAbhishek Agrawal.
    • This topic was modified 5 months, 2 weeks ago by FabrizioFabrizio.
    #2290
    Abhishek AgrawalAbhishek Agrawal
    Participant

    When I am inserting my full adder as a black box, I am getting the error as sum pin disconnected. can you please solve my query. The qll file is in above drive link.

    #2295
    FabrizioFabrizio
    Moderator

    Hello,

    the problem is hidden inside your full adder. You must bring your pins (input/output) at the bounding box edge.
    In your full adder, the input pins are included in the bounding box making it not possible a direct connecting within the same layer.
    Try using the attached one. Remember to replace all the black boxes within the CSA with the new one.

    Best,

    FR

    #2297
    Abhishek AgrawalAbhishek Agrawal
    Participant

    Hello Sir,

    Thanks for your help. My problem is solved.

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