Assertion: signal | /r/CapableOf | reach a fall time
Facets:
value: for each signal
type: PURPOSE
Source sentences:
text: Logic 1s and 0s are read at the receiving end, but practically speaking these are not crisp step functions, there is a rise time for each signal to reach the high of a logical 1, and a fall time for each signal to make a low of logical 0.