Test Structure for Ic(Vbe) Parameter Determination of Low Voltage Applications

Wenceslas Rahajandraibe 1 Christian Dufaza 2 Daniel Auvergne 1 Bruno Cialdella Bernard Majoux Vivek Chowdhury
1 SysMIC - Conception et Test de Systèmes MICroélectroniques
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
2 L2MP - Laboratoire matériaux et microélectronique de Provence
Abstract : The temperature dependence of the IC(VBE) relationship can be characterised by two parameters: EG and XTI. The classical method to extract these parameters consists in a "best fitting" from measured VBE(T) values, using least square algorithm at constant collector current. This method involves an accurate measurement of VBE voltage and an accurate value of the operating temperature. We propose in this paper, a configurable test structure dedicated to the extraction of temperature dependence of IC(VBE) characteristic for BJT designed with bipolar or BiCMOS processes. This allows a direct measurement of die temperature and consequently an accurate measurement of VBE(T). First, the classical extraction method is explained. Then, the implementation techniques of the new method are discussed, the improvement of the design is presented.
Type de document :
Communication dans un congrès
DATE: Design, Automation and Test in Europe, Mar 2002, Paris, France. Design, Automation and Test in Europe Conference and Exhibition, pp.316-321, 2002, 〈10.1109/DATE.2002.998291〉
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00268524
Contributeur : Christine Carvalho de Matos <>
Soumis le : mardi 1 avril 2008 - 09:27:39
Dernière modification le : jeudi 15 mars 2018 - 16:56:03
Document(s) archivé(s) le : vendredi 25 novembre 2016 - 22:08:29

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LIRMM | SYSMIC | UNIV-AMU | LIRMM_MIC | MIC | MIPS | UNIV-MONTPELLIER

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Wenceslas Rahajandraibe, Christian Dufaza, Daniel Auvergne, Bruno Cialdella, Bernard Majoux, et al.. Test Structure for Ic(Vbe) Parameter Determination of Low Voltage Applications. DATE: Design, Automation and Test in Europe, Mar 2002, Paris, France. Design, Automation and Test in Europe Conference and Exhibition, pp.316-321, 2002, 〈10.1109/DATE.2002.998291〉. 〈lirmm-00268524〉

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