The spin transfer {TAIL ~ MRAM structure} 1 further comprised of a circuit that enables {HEAD ~ the bit sub cells} to be written to and read, comprising: 
The spin transfer { TAIL ~ MRAM structure } 1 further comprised of a circuit that enables { HEAD ~ the bit sub cells } to be written to and read , comprising :
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH