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