The electromagnetic characteristics of a high speed IC power distribution network (PDN) are of vital important with the rapid increasing of operation speed and scale down CMOS manufacturing size, in particular, the fundamental electromagnetic theory including impedance and loop inductance of various designed IC power-plane structures. In addition, the area occupancy ratio of slot (AOROS) of irregular parallel-plane structures with multi-slots plays a key role in PDN impedance and loop inductance, where the influence of AOROS on impedance and loop inductance is investigated for various structures. Moreover, experimental work is carried out to validate the influence of AOROS on impedance and loop inductance of the PDN. The simulation and measurement of impedance are performed up to 10 GHz, and a good agreement is obtained between the simulation and experiment.
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