Abstract
In this paper, a power delivery network (PDN) design method using new time-domain transient impedance is proposed for high-speed digital systems designs, with verification by examples and simulations. This method is based on a new triangular pulse representation of a step transient current demand. Compared with the frequency-domain target impedance method, the proposed method results in a much smaller decoupling network, as it only consider the basic power delivery function of the PDN and the time-domain transient impedance has flat impedance response. The proposed time-domain method provides a good preliminary design for large complicated PDN using lumped model analysis.
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