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