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