{HEAD ~ The predetermined duration} may correspond to {TAIL ~ transmission line delays} of a signal line driven by the output circuit 
correspond to
{ HEAD ~ The predetermined duration } may correspond to { TAIL ~ transmission line delays } of a signal line driven by the output circuit
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH