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Signal edge
In electronics, a signal edge is a transition of a digital signal from low to high or from high to low:
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Signal edges of a periodic digital signal indicated in blue
In electronics, a signal edge is a transition of a digital signal from low to high or from high to low:
- A rising edge (or positive edge) is the low-to-high transition.
- A falling edge (or negative edge) is the high-to-low transition.
In the case of a pulse, which consists of two edges:
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The leading edge (or front edge) is the first edge of the pulse.
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The trailing edge (or back edge) is the second edge of the pulse.
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Flip-flop (electronics), an edge-triggered circuit
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Rise time, for a signal transition
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