In one embodiment, a single laser pulse is used to trim up {HEAD ~ to two resistors} at {TAIL ~ one time}  
at
In one embodiment , a single laser pulse is used to trim up { HEAD ~ to two resistors } at { TAIL ~ one time }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH