What is Hold time?
The minimum time after the active clock edge during which a flip-flop's data input must stay unchanged. Violations are not fixed by lowering the clock frequency, so delay is added to the path.
Field: Logic circuits
Hold time in the explanations
Hold time is the minimum time data must stay stable after the clock edge.
Which correctly describes the hold time of a flip-flop?The time data must remain stable after the edge is the hold time.
Which correctly describes the setup time of a flip-flop?To prevent dopant diffusion during annealing from deepening the junction, spike anneals (about 1050 °C with no hold time) or flash-lamp and laser anneals that heat only the surface for milliseconds or less activate dopants while limiting diffusion to a few nm.
Which is a correct technique for forming shallow junctions …
Questions that mention Hold time (4)
- What is the state called when a flip-flop receiving an asynchronous signal violates setup or hold time and its output is temporarily neither 0 nor 1?
- Which correctly describes the hold time of a flip-flop?
- Which correctly describes the setup time of a flip-flop?
- Which is a correct technique for forming shallow junctions for the sources and drains of scaled transistors?
Related terms
Flip-flop Setup time Metastability Annealing Clock skew Combinational circuit De Morgan's theorem Decoder Full adder Glitch