A synchronous circuit is a digital circuit in which the parts are synchronized by a clock signal.
In an ideal synchronous circuit, every change in the logical levels of its storage components is simultaneous. These transitions follow the level of change of a special signal called as the clock. Ideally, the input to each storage element has reached its final value before the next clock occurs, so the behaviour of the whole circuit can be predicted exactly. Practically, some delay is required for each logical operation, resulting in a maximum speed at which each synchronous system can run.
To make these circuits work correctly, a great deal of care is needed in the design of the Clock Distribution Networks. Static timing analysis is often used to determine the maximum safe operating speed.
Other articles related to "synchronous, synchronous circuit, circuit":
... Nearly all sequential logic today is clocked or synchronous logic ... In a synchronous circuit, an electronic oscillator called a clock generates a sequence of repetitive pulses called the clock signal which is distributed to all ... so changes to the logic signals throughout the circuit all begin at the same time, at regular intervals, synchronized by the clock ...
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