The first voltage forms a first write current for {TAIL ~ a first time duration} through the resistive sense memory cell in {HEAD ~ a first direction} 
The first voltage forms a first write current for { TAIL ~ a first time duration } through the resistive sense memory cell in { HEAD ~ a first direction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD