said {TAIL ~ flip flop}, wherein a second terminal is connected to an input of an inverting amplifier and via the first connection to {HEAD ~ the bootstrap circuit}; and 
said { TAIL ~ flip flop } , wherein a second terminal is connected to an input of an inverting amplifier and via the first connection to { HEAD ~ the bootstrap circuit } ; and
OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH