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Weird signal at output of 4x1 mux

vshnkmr

Hi,

I designed a 4x1 mux using 2x1 mux. This 2x1 mux was designed using nand gates as shown in the figure. I am unable to obtain required signal at the output of 4x1 mux. can somebody please tell me the reason for the  same and how to rectify it. 

  • DimoM

    Hi, you might want to post your question in the Custom IC Design forum.
    I would also suggest to label your nets and make better screenshots, as it is a bit hard to read from these pics.

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