For each sampled and held analog input signal Sa, the set of {HEAD ~ references} used to vary {TAIL ~ voltages} for writing is Sa ±1/2 LSB, where LSB is the difference between two adjacent states 
used to vary
For each sampled and held analog input signal Sa , the set of { HEAD ~ references } used to vary { TAIL ~ voltages } for writing is Sa ±1/2 LSB , where LSB is the difference between two adjacent states
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH