Ask
Login
0
33kviews
Design full adder using 3:8 decoder with active low outputs and NAND gates.
written 7.8 years ago by gravatar for teamques10 teamques10 ★ 64k •   modified 7.8 years ago

Mumbai University > COMPS > Sem 3 > Digital Logic Design and Analysis

Marks: 5 M

Year: Dec 2013
digital logic design
ADD COMMENT EDIT
1 Answer
0
2.4kviews
written 7.8 years ago by gravatar for teamques10 teamques10 ★ 64k •   modified 7.8 years ago

1.Block Diagram:

enter image description here

2.Truth Table:

enter image description here

3.Expression for Sum (S): $S(A, B, C_{IN}) = \sum m(1,2,4,7)$

4.Expression for Carry $(C_{OUT})$: $C_{OUT}(A, B, C_{IN}) = \sum m (3,5,6,7)$

5.Logical circuit:

enter image description here
ADD COMMENT EDIT
Please log in to add an answer.