{TAIL ~ An array} of EEPROM cells on {HEAD ~ the same chip} is prewritten and is used as a reference for digital analog conversions and for memory cell programming 
{ TAIL ~ An array } of EEPROM cells on { HEAD ~ the same chip } is prewritten and is used as a reference for digital analog conversions and for memory cell programming
TAIL 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 OTH OTH OTH OTH OTH OTH