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Jesus
Jesus asked in Science & MathematicsEngineering · 1 decade ago

Need help with simple 4:2 priority encoder and boolean equation?

Hey, I'm having some difficulty understanding how I would derive the boolean equations for V, A0, and A1 for this 4:2 priority encoder.

http://teahlab.com/Combinational/encoders/fourInpu...

V = D0 + D1 + D2 + D3

A0 = D1+ D3

A1 = D2 + D3

seems way to simple. Can someone help me out? Thanks.

1 Answer

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  • tlbs101
    Lv 7
    1 decade ago
    Favorite Answer

    A0 = (D1 * ~D2) + D0

    you had these correct.

    A1 = D2 + D3

    V = D0 + D1 + D2 + D3

    .

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