{TAIL ~ Circuit} and method for generating {HEAD ~ a sense amplifier} enable signal based on a voltage level of a tracking bitline 
{ TAIL ~ Circuit } and method for generating { HEAD ~ a sense amplifier } enable signal based on a voltage level of a tracking bitline
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH