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