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A 1 to 8 demultiplexer with data input Din, address inputs S0, S1, and S2, (with S0 as the LSB) and Y̅0 to Y̅ 7 as the eight de-multiplexed output, is to be designed using two 2 to 4 decoders (with enable input E and address input A0 and A1) as shown in the figure. Din, S0, S1, and S2 are to be connected to P, Q, R, and S but not necessarily in this order. The respective input connections to P, Q, R, and S terminals should be

A. S2, Din, S0, and S1
B. S1, Din, S0, and S2
C. Din, S0, S1, and S2
D. Din, S2, S0, and S1
Answer» E.


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