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# Full stage logic diagram for 16 microoperations and 2 variables using MUX 4x1

Question asked by kate1 in #Coffee Room on Oct 14, 2010
kate1 · Oct 14, 2010
Rank E1 - BEGINNER
help in architecture--- drawing full stage logic diagram for 16 microoperations and 2 variables using MUX 4x1 ? please reply asap. Posted in: #Coffee Room
Saandeep Sreerambatla · Oct 14, 2010
Rank A2 - PRO
Hi Kate , welcome to CE!

Please let us know where you got struck in designing the diagram!
kate1 · Oct 14, 2010
Rank E1 - BEGINNER
to generate 4 functions a 4x1 MUX is needed --- 1st input :A and b, 2nd: A or B, 3rd: AxorB, 4th: a inverted and 2 selction lines s1,s2

now how to do the a logic circuit to get 16 functions:f0 to f15 for two variables x,y
where f0=0, f1=xy, f2= xy', f3= x, f4=x'y, f5=y, f6= x xor y, f7= x=y, f8= (x+y)', f9= (x xor y)', f10= y', f11=x+y', f12=x', f13= x'+y, f14= (xy)', f15=1
jivv · Oct 16, 2010
Rank E1 - BEGINNER
Hi Kate1,

I'm kind of confused by the question. Do you need to generate those 16 functions using only 4-1 Mux? If that, do you still need to use the same inputs than before (1st input :A and b, 2nd: A or B, 3rd: AxorB, 4th: a inverted)?. If you can post a diagram or scan of the question, please do so, so we can help you

Cheeres
kate1 · Oct 19, 2010
Rank E1 - BEGINNER
thank you so much for the replies. i solved the problem 😀))
Saandeep Sreerambatla · Oct 20, 2010
Rank A2 - PRO
Excellent Kate1!!

Way to go 😀

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