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Decoupling capacitors perform an important function in the impedance reduction of power distribution systems. Hence, they are a key part of an electrical model required for the design of such systems. In this paper, we construct circuit models for the capacitors which include the local environment such that the overall PDN model is simplified and it can be considered as decoupled macromodels.
A closed-form expression for via barrel-plate capacitances is derived. This results in a more accurate equivalent circuit model for decoupling capacitors including both parasitic inductances and via capacitances. Multilayer power distribution network (PDN) are then analyzed by incorporating the circuit models of both vias and parallel plane pair. Circuit simulator is used to evaluate the coupling...
In this tutorial, we will shed some light on an inductive extraction and compact modeling of inductively coupled interconnects, especially in the presence of unavoidable fabrication variations in the technology of 90 nm and below. The tutorial consists of two parts. The first part of the tutorial will describe the existing partial element equitant circuit (PEEC) based inductance extraction methods,...
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