ABSTRACT

Based on the black-box description and the tunnel condition of

the extended hot-electron model, the critical voltage in circuits is

determined by a delta pulse current, representing the tunneling

electron from Fermi level to Fermi level, a discrete time step τ , the

tunneling time, and the voltages across the junction just before and after a possible tunnel event, vTJ|before and vTJ|after that must have opposite values. With this model we can consider nonzero tunneling

times. We will also investigate stochastic behavior of tunnel events

that leads to a nonzero transition time.