In some embodiments, the tracking signal on the first tracking bit line DBL is converted to {HEAD ~ the SAE signal} for controlling {TAIL ~ the sense amplifier} 108 without additional delay 
for controlling
In some embodiments , the tracking signal on the first tracking bit line DBL is converted to { HEAD ~ the SAE signal } for controlling { TAIL ~ the sense amplifier } 108 without additional delay
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH