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Which property is NOT considered in latches?
- a)Output of the latches changes as we change the input.
- b)changes as we change the input.
- c)Latches are edge triggered.
- d)Latches are fast.
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which property is NOT considered in latches?a)Output of the latches ch...
Understanding Latches
Latches are fundamental building blocks in digital electronics, primarily used for storage and control of binary data. They are bistable devices that can hold one of two states indefinitely until changed by an input signal.
Key Properties of Latches
- Output Changes with Input: Latches continuously respond to input changes. This means as the input state changes, the output also changes accordingly.
- Level Sensitive: Latches are level-triggered, meaning they are sensitive to the level of the input signal rather than the edge (transition) of the signal. This allows the output to change as long as the input is at a certain level.
- Speed: Latches are generally faster than flip-flops because they do not wait for a clock edge to change state. They can react instantly to input changes.
Why Option C is Correct
- Edge Triggered: This property does NOT apply to latches. Latches are level-triggered, while flip-flops are edge-triggered. This distinction is crucial in digital design. Edge-triggered devices change state only at specific transitions of a clock signal (rising or falling edge), whereas latches can change states whenever the input is stable.
Conclusion
In summary, the correct answer is option 'C' because latches are not edge-triggered; they are level-sensitive devices that change output based on the current input level, making them distinct from edge-triggered components like flip-flops. Understanding this difference is vital for effective digital circuit design.
Latches are fundamental building blocks in digital electronics, primarily used for storage and control of binary data. They are bistable devices that can hold one of two states indefinitely until changed by an input signal.
Key Properties of Latches
- Output Changes with Input: Latches continuously respond to input changes. This means as the input state changes, the output also changes accordingly.
- Level Sensitive: Latches are level-triggered, meaning they are sensitive to the level of the input signal rather than the edge (transition) of the signal. This allows the output to change as long as the input is at a certain level.
- Speed: Latches are generally faster than flip-flops because they do not wait for a clock edge to change state. They can react instantly to input changes.
Why Option C is Correct
- Edge Triggered: This property does NOT apply to latches. Latches are level-triggered, while flip-flops are edge-triggered. This distinction is crucial in digital design. Edge-triggered devices change state only at specific transitions of a clock signal (rising or falling edge), whereas latches can change states whenever the input is stable.
Conclusion
In summary, the correct answer is option 'C' because latches are not edge-triggered; they are level-sensitive devices that change output based on the current input level, making them distinct from edge-triggered components like flip-flops. Understanding this difference is vital for effective digital circuit design.
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Community Answer
Which property is NOT considered in latches?a)Output of the latches ch...
(i) Latches are level-triggered (outputs can change as soon as the inputs changes)
(ii) Flip-Flop is edge-triggered (only changes state when a control signal goes from high to low or low to high).
(iii) Edge triggering is a type of triggering that allows a circuit to become active at the positive edge or the negative edge of the clock signal.
(iv) Level triggering is a type of triggering that allows a circuit to become active when the clock pulse is on a particular level.
(ii) Flip-Flop is edge-triggered (only changes state when a control signal goes from high to low or low to high).
(iii) Edge triggering is a type of triggering that allows a circuit to become active at the positive edge or the negative edge of the clock signal.
(iv) Level triggering is a type of triggering that allows a circuit to become active when the clock pulse is on a particular level.
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