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11 June 2007 Digital switching noise as a stochastic process
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Proceedings Volume 6600, Noise and Fluctuations in Circuits, Devices, and Materials; 66001V (2007) https://doi.org/10.1117/12.726292
Event: SPIE Fourth International Symposium on Fluctuations and Noise, 2007, Florence, Italy
Abstract
Switching activity of logic gates in a digital system is a deterministic process, depending on both circuit parameters and input signals. However, the huge number of logic blocks in a digital system makes digital switching a cognitively stochastic process. Switching activity is the source of the so-called "digital noise", which can be analyzed using a stochastic approach. For an asynchronous digital network, we can model digital switching currents as a shot noise process, deriving both its amplitude distribution and its power spectral density. From spectral distribution of digital currents, we can also calculate the spectral distribution and the power of disturbances injected into the on-chip power supply lines.
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Giorgio Boselli, Gabriella Trucco, and Valentino Liberali "Digital switching noise as a stochastic process", Proc. SPIE 6600, Noise and Fluctuations in Circuits, Devices, and Materials, 66001V (11 June 2007); https://doi.org/10.1117/12.726292
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