Digital Electronics: Principles, Devices and Applications

Multiplexers and Demultiplexers 275'1'I0I1I2I3I4I5I6I78-to-1MUXA B CF(a)A'0’I 0I 1I2I 3S14-to-1MUXFS0BC(b)Figure 8.8 Hardware implementation of the Boolean function given by equation (8.3).Table 8.1Truth table.Minterm A B C f(A,B,C)0 0 0 0 01 0 0 1 02 0 1 0 13 0 1 1 04 1 0 0 15 1 0 1 06 1 1 0 07 1 1 1 1written. If only one is highlighted, the corresponding variable (complemented or uncomplemented)is written. The input lines are then given appropriate logic status. In the present case, I 0 , I 1 ,I 2 and I 3 would be connected to A, 0, A and A respectively. Figure 8.8(b) shows the logicimplementation.