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REDUCTION DE L'EMISSION ELECTROMAGNETIQUE DES CIRCUITS INTEGRES : L'ALTERNATIVE ASYNCHRONE

Abstract : This PhD thesis work aims to reduce electromagnetic interference phenomenon in digital integrated circuits. The developed methods address high-level descriptions of circuits in order to reduce the retroactive modifications in the design flow and to thus circumscribe the time and the costs dedicated to the the circuit development.
A first method called "Asynchronisation" suggests to suppress the principal source of electromagnetic emission in the digital circuits: the clock. This signal of control is replaced by local communications with a technique which preserves cycle compatibility with cycle of the circuit.
The local communications are then exploited by the second method ("Current Shaping") in order to reduce further electromagnetic emission. The treatment concurrencies in the circuit are minimized by scheduling. The peaks of current resulting from the simultaneity of the actions in the circuit are thus minimized. Moreover, the 4 phases protocols were studied in order to determine how their electromagnetic emission can be more reduced.
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https://tel.archives-ouvertes.fr/tel-00007775
Contributor : Lucie Torella <>
Submitted on : Thursday, December 16, 2004 - 11:43:46 AM
Last modification on : Thursday, November 19, 2020 - 3:56:18 PM
Long-term archiving on: : Friday, April 2, 2010 - 9:14:22 PM

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  • HAL Id : tel-00007775, version 1

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TIMA | CNRS | UGA

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D. Panyasak. REDUCTION DE L'EMISSION ELECTROMAGNETIQUE DES CIRCUITS INTEGRES : L'ALTERNATIVE ASYNCHRONE. Micro et nanotechnologies/Microélectronique. Institut National Polytechnique de Grenoble - INPG, 2004. Français. ⟨tel-00007775⟩

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