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Flip-Flops
Edge-triggered J-K flip-flops make it hard for design engineers to know when to accept input data.
True
Correct Answer:
False
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Flip-Flops
The propagation delay time tPLH is measured from the triggering edge of the clock pulse to the LOW-to-HIGH transition of the output.
A TOGGLE input to a J-K flip-flop causes the Q and outputs to switch to their opposite state.
Pulse-triggered or level-triggered devices are the same.
A latch can act as a contact-bounce eliminator.
A one-shot is a special type of multivibrator that must be triggered to produce each output pulse.
When using edge-triggered flip-flops, the data is entered into the flip-flop on the leading edge of the clock, but the output does not change until the trailing edge of the clock.
In VHDL, each instance of a component is given a name followed by a semicolon and the name of the library primitive.
PRESET and CLEAR inputs are normally synchronous.
Edge-triggered flip-flops can be identified by the triangle on the clock input.
A J-K flip-flop and associated waveforms are shown below. The circuit is operating properly.
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