Disabling the output circuit following such a delay severs {HEAD ~ the potential current path} between the internal operating voltage rails of the integrated circuit and an external voltage source coupled to the signal line via {TAIL ~ a pull up device} 
via
Disabling the output circuit following such a delay severs { HEAD ~ the potential current path } between the internal operating voltage rails of the integrated circuit and an external voltage source coupled to the signal line via { TAIL ~ a pull up device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL