[SOLVED] D flip flop - outputs are short circuited .Something wrong here ?

sankalaani · Sep 3, 2013

I attached test paper that given to me at a exam.
I think something wrong in red underlined d flipflop.
Both Q and Q-ba are short circuited and connected to the input.
And Q=1 and Q-ba = 0.
Is it possible this question is correct.
(please ignore erased parts. they are my handwritten notes by me )

chuckey · Sep 3, 2013

The D input should ONLY go to the -Q, this way every time there is an input pulse, the D type changes over - its a divided by two. The Q output should go to the rest of the circuit.
Frank

sankalaani · Sep 3, 2013

So it means this question is wrong ? Because Q ba connected to Q.

ahsan_i_h · Sep 3, 2013

There is 1 printed right side of Qx and 2 printed right side of Qy. These 1 and 2 means TP1 and TP2 (Test Points).
A small bar is used to connect Qx to TP1. Due to this small bar it seems that Qx is connected to Qx bar connecting wire.
Yes, the question is confusing.

[SOLVED] D flip flop - outputs are short circuited .Something wrong here ?

sankalaani

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chuckey

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sankalaani

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ahsan_i_h

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[SOLVED] D flip flop - outputs are short circuited .Something wrong here ?

sankalaani

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chuckey

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sankalaani

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ahsan_i_h

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