Each pipeline includes a sample and hold {HEAD ~ circuit} that samples {TAIL ~ the programming voltage} when the pipeline begins a write operation 
samples
Each pipeline includes a sample and hold { HEAD ~ circuit } that samples { TAIL ~ the programming voltage } when the pipeline begins a write operation
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH