{HEAD ~ A feedback path} is employed to follow {TAIL ~ voltage} applied to an output pad through substrate bias voltage 
is employed to follow
{ HEAD ~ A feedback path } is employed to follow { TAIL ~ voltage } applied to an output pad through substrate bias voltage
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH