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The D latch of Figure 1 is constructed with four NAND gates and an inverter. Consider the following three other ways for...

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Transcribed: Show your solutions clearly and systematically. The D latch of Figure 1 is constructed with four NAND gates and an inverter. Consider the following three other ways for obtaining a D latch. In each case, draw the logic diagram and verify the circuit operation. D En D Next state of Q En 0X No change 10 Q = 0; reset state Q-1; set state 11 (a) Logic diagram (b) Function table. Figure 1: D Latch 2. Use NOR gates for all four gates. Inverters may be needed. Q 2
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Answer

Step #1 of 2

It is given that:

Electrical Engineering homework question answer, step 1, image 1

Electrical Engineering homework question answer, step 1, image 2

Step #2 of 2

Electrical Engineering homework question answer, step 2, image 1

when Enable input=1 then C'=0, & input D=0 then R=1.

anyone of input 1 in NOR gate=1, the output Q=0.Therefore, Q'=1

When input D=1, D'=0 & another input C'=0 then S=1.

anyone of input 1 in NOR gate=1; the output Q'=1,Therefore, Q=0

Hence, from the above discussion, it is clear that the above circuit will perform as a D-Latch.

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