control means for introducing dynamic operational signals to the chip , so as to cause instantaneous operational voltages at {HEAD ~ selected test points} as {TAIL ~ a function} of operation 
control means for introducing dynamic operational signals to the chip , so as to cause instantaneous operational voltages at { HEAD ~ selected test points } as { TAIL ~ a function } of operation
OTH OTH OTH OTH OTH OTH 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 OTH