Combinational Logic Circuits using Logic Gates

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SUMMARY

The forum discussion focuses on designing combinational logic circuits using logic gates, specifically for functions f1 and f2 defined by minterms. The user presented two circuit designs utilizing NAND and OR gates, with the first design comprising 10 gates and 17 gate inputs, while the second design utilized 7 gates and 11 gate inputs. Feedback from other users confirmed the correctness of the equations for f1 and f2 but initially questioned the gate diagram, which was later validated as accurate upon clarification of input selectors.

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Fatima Hasan
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Homework Statement


Design a circuit with four inputs and two outputs which realizes the functions :
f1 = Σm(0,2,4,5,6,14)
f2 = Σm(0,1,4,6,12,14)

Homework Equations


-

The Attempt at a Solution


Here's my work :
gif.gif

2 levels (NAND / OR )
10 gates
17 gate inputs

gif.gif

2 levels ( NAND / OR )
7 gates
11 gate inputs
Capture.png

Could someone check my answer please ?
 

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Your equations for f1 and f2 look right, but your gate diagram does not (hint: look at the input selectors).

[Edit] I take it back. Diagram looks good. I was thinking that those selectors were input polarity selectors. They now appear to me as input state selectors.
 
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