Title :
Proposal of a data sparsification unit for a mixed-mode MAPS detector
Author :
Gabrielli, A. ; Batignani, G. ; Bettarini, S. ; Bosi, F. ; Calderini, G. ; Cenci, R. ; Orso, M. Dell ; Forti, F. ; Giannetti, P. ; Giorgi, M.A. ; Lusiani, A. ; Marchiori, G. ; Morsani, F. ; Neri, N. ; Paoloni, E. ; Rizzo, G. ; Walsh, J. ; Massa, M. ; Cerv
Author_Institution :
Univ. di Bologna & INFN-Bologna, Bologna
fDate :
Oct. 26 2007-Nov. 3 2007
Abstract :
The Italian silicon-detectors-with-low-interaction-with material collaboration (SLIM5) has designed, fabricated and tested several prototypes of CMOS monolithic active pixel sensors (MAPS). This paper shows the design of a new mixed-mode chip prototype composed of a bidimensional matrix of pixels, and of an off-pixel digital readout sparsification circuit. The readout logic is based on commercial standard cells and implements an optimized non token readout technique. Also, a MAPS emulator software toool is presented. The project is aimed at overcoming the readout speed limit of future large-matrix pixel detectors for particle tracking, by matching the requirements of future high-energy physics experiments. The readout architecture extends the flexibility of the MAPS devices to be also used in first level triggers on tracks in vertex detectors.
Keywords :
CMOS integrated circuits; digital readout; mixed analogue-digital integrated circuits; nuclear electronics; particle tracks; position sensitive particle detectors; trigger circuits; CMOS; MAPS detector; Monolithic Active Pixel Sensors; SLIM5; Silicon-detectors-with-Low-Interaction-with Material collaboration; bidimensional matrix; emulator software tool; high-energy physics experiments; level trigger system; mixed-mode ASIC; off-pixel digital readout sparsification circuit; particle tracking; readout architecture; standard cells; vertex detectors; CMOS logic circuits; Circuit testing; Collaboration; Detectors; Materials testing; Particle tracking; Physics; Proposals; Prototypes; Software prototyping;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2007. NSS '07. IEEE
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-4244-0922-8
Electronic_ISBN :
1095-7863
DOI :
10.1109/NSSMIC.2007.4437277