The non volatile memory may be reprogrammable non volatile memory organized into {TAIL ~ distinct blocks} of {HEAD ~ simultaneously erasable cells} 
The non volatile memory may be reprogrammable non volatile memory organized into { TAIL ~ distinct blocks } of { HEAD ~ simultaneously erasable cells }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD