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Digital Electronics - Flip-Flops - Discussion

Discussion Forum : Flip-Flops - General Questions (Q.No. 52)
Flip-Flops
52.
An invalid condition in the operation of an active-HIGH input S-R latch occurs when ________.
HIGHs are applied simultaneously to both inputs S and R
LOWs are applied simultaneously to both inputs S and R
a LOW is applied to the S input while a HIGH is applied to the R input
a HIGH is applied to the S input while a LOW is applied to the R input
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.
Hemu said:   1 decade ago
Please explain this.
Ssp said:   9 years ago
In S-R latch (NOR gate) when both the input is high, the o/p is equal so it is an invalid condition but in the NOT gate if both the i/p is low then o/p is equal so it is an invalid condition.
Chad said:   3 years ago
Consider the active. High means NOR latch.

The invalid state must be both inputs are High.
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