4. Figure 1 shows a block diagram for a 4:1 multiplexer. i. Design a 16:1 multiplexer by showing the truth table and Boolean expression. ii. Draw a block diagram for a 16:1 multiplexer using 4:1 multiplexer. Inputs $I_0$ 0 $I_1$ 1 4:1 MUX $I_2$ 2 $I_3$ 3 Y Output $S_1$ $S_0$ Selector Figure 1
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A 16:1 multiplexer selects one of 16 input lines (I0 to I15) and directs it to a single output Y. It needs 4 selection lines (S3, S2, S1, S0) to represent the 16 possible combinations (2^4 = 16). Show more…
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