The control logic circuit is coupled to the first tracking bit line and configured to generate the SAE signal in response to {HEAD ~ the voltage level} on {TAIL ~ the first tracking bit line} 
on
The control logic circuit is coupled to the first tracking bit line and configured to generate the SAE signal in response to { HEAD ~ the voltage level } on { TAIL ~ the first tracking bit line }
OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL