The pump up circuit may be configured to generate a pump up signal in {HEAD ~ response} to {TAIL ~ the data signal}, and the control signal 
to
The pump up circuit may be configured to generate a pump up signal in { HEAD ~ response } to { TAIL ~ the data signal } , and the control signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH