On-time based peak current density rule and design method

摘要

A method of computing a peak current density specification (j_peakspec) for an electrical conductor line of an integrated circuit (IC) resulting from conducting pulsed electrical current represented as a current waveform. An on-time (t_on) is identified for the current waveform based on a current density being greater than or equal to (≧) a predetermined current density level. The j_peakspec is computed for the electrical conductor line using a j_peakspec modeling equation which includes the t_on for the current waveform and a thermal time constant (τ) for the electrical conductor line.