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Topical Workshop on Electronics for Particle physics (TWEPP 2012), Oxford : Royaume-Uni (2012)
SPACIROC2: A Front-End Readout ASIC for the JEM-EUSO observatory
S. Ahmad1, P. Barrillon1, S. Blin1, S. Dagoret Campagne1, C. de La Taille1, F. Dulucq1, G. Martin-Chassard1, Y. Kawasaki, H. Miyamoto, H. Ikeda, T. Iguchi, F. Kajino

The SPACIROC ASIC family is designed for the JEM-EUSO observatory onboard of the International Space Station (ISS). This rad-hard ASIC is proposed for reading out the 64-channel Multi-Anode Photomultipliers which will equip the detection surface. Two main features of this ASIC are the photon counting mode for each input and the charge-to-time conversion for the multiplexed channels. SPACIROC1 was submitted in 2010 and showed global good behavior. A second version of SPACIROC has been designed to fix bugs and improve global consumption. Design and the test results of SPACIROC2 are presented in this paper.
1:  LAL - Laboratoire de l'Accélérateur Linéaire
Engineering Sciences/Micro and nanotechnologies/Microelectronics