In one embodiment, a shared write circuit generates a programming voltage that changes with an input signal representing {HEAD ~ values} to be written to {TAIL ~ the memory} 
In one embodiment , a shared write circuit generates a programming voltage that changes with an input signal representing { HEAD ~ values } to be written to { TAIL ~ the memory }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL