Digital Electronics - Flip-Flops - Discussion

Discussion Forum : Flip-Flops - General Questions (Q.No. 2)
2.
Which statement BEST describes the operation of a negative-edge-triggered D flip-flop?
The logic level at the D input is transferred to Q on NGT of CLK.
The Q output is ALWAYS identical to the CLK input if the D input is HIGH.
The Q output is ALWAYS identical to the D input when CLK = PGT.
The Q output is ALWAYS identical to the D input.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Yasmin said:   1 decade ago
Q depends on the value of D.

Durga prasad said:   1 decade ago
d flip flop takes the -ve edge triggered if the input is low

Pratyusha said:   1 decade ago
By the truth table of D flip flop, we can observe that Q always depends on D.
Hence for every negative trigger pulse ,the logic at input D is shifted to Output Q.


Post your comments here:

Your comments will be displayed after verification.