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