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Digital Architecture and Interface of the New ATLAS Pixel Front-End IC for Upgraded LHC Luminosity

D. Arutinov M. Barbero R. Beccherle V. Büscher G. Darbo R. Ely D. Fougeron 1 M. Garcia-Sciveres D. Gnani T. Hemperek M. Karagounis R. Kluit V. Kostyukhin A. Mekkaoui M. Menouni 1 J. D. Schipper N. Wermes
1 CPPM - Centre de Physique des Particules de Marseille
Abstract : A new pixel Front-End Integrated Circuit is being developed in a 130 nm technology for use in the foreseen b-layer upgrade of the ATLAS pixel detector. Development of this chip is considered as an intermediate step towards super-LHC upgrade, and also allows having a smaller radius insertable pixel layer. The higher luminosity for which this chip is tuned implies a complete redefinition of the digital architecture logic with respect to the current ATLAS pixel Front-End. The new digital architecture logic is not based on a transfer of all pixel hits to the periphery of the chip, but on local pixel logic, local pixel data storage, and a new mechanism to drain triggered hits from the Double-Column. An overview of the new chip will be given with particular emphasis on the new digital logic architecture and possible variations. The new interface needed to configure and operate the chip will also be described.
Keywords : Digital integrated circuits FE-I4 front end electronics pixel detectors pixel electronics
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Journal articles
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http://hal.in2p3.fr/in2p3-00413844
Contributor : Danielle Cristofol <>
Submitted on : Monday, September 7, 2009 - 2:26:16 PM
Last modification on : Thursday, January 18, 2018 - 2:01:03 AM

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IN2P3 | CPPM | CNRS | UNIV-AMU

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D. Arutinov, M. Barbero, R. Beccherle, V. Büscher, G. Darbo, et al.. Digital Architecture and Interface of the New ATLAS Pixel Front-End IC for Upgraded LHC Luminosity. IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2009, 56, pp.388-393. ⟨10.1109/TNS.2009.2015318⟩. ⟨in2p3-00413844⟩

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