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