The flip flop provides an output that is only dependent on {HEAD ~ the very fast fall times} of {TAIL ~ the outputs} of the basic level shifter 
of
The flip flop provides an output that is only dependent on { HEAD ~ the very fast fall times } of { TAIL ~ the outputs } of the basic level shifter
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH