{HEAD ~ A first transistor}, in responsive to {TAIL ~ the output} of the amplifier, biases the input of the amplifier to assure substantially no static current flows through the amplifier when a logic low is present on the amplifier output 
{ HEAD ~ A first transistor } , in responsive to { TAIL ~ the output } of the amplifier , biases the input of the amplifier to assure substantially no static current flows through the amplifier when a logic low is present on the amplifier output
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH