Digital Electronics: Principles, Devices and Applications

Multiplexers and Demultiplexers 295Problems1. Implement the three-variable Boolean function FA B C = AC + ABC + ABC using (i) an8-to-1 multiplexer and (ii) a 4-to-1 multiplexer.(i) Fig. 8.27(a); (ii) Fig. 8.27(b)'0’ '1’I0I1I2I3I4I5I6I78-to-1MUXS 2 S 1 S0FA B C(a)'0’I0'1’AI1I24-to-1MUXFI3 S1 S0BC(b)Figure 8.27 Problem 1.2. Design a 32-to-1 multiplexer using 8-to-1 multiplexers having an active LOW ENABLE input anda 2-to-4 decoder.Fig. 8.28