The supply voltage decrease and power
consumption increase of modern ICs made the requirements for low voltage fluctuation caused by packaging and on-chip parasitic impedances more difficult to achieve. Most of the research works on the area assume that all the nodes of the chip are fed at the
same voltage, in such a way that the main cause of disturbance or fluctuation is the parasitic impedance of packaging. In the paper an approach to analyze the effect of high and fast current demands on the on-chip power supply network. First an approach to model the entire network by considering a homogeneous conductive foil is presented. The modification of the timing parameters of flipflops caused by spatial voltage drops through the IC surface are also investigated.
CitationAndrade, D.; Martorell, F.; Moll, F.; Rubio, A. "Voltage fluctuations in IC power supply distribution", XXII Conference on Design of Intetgrated Circuits and Systems, November 21-23, Sevilla, 2007
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