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 mixedmode 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.
Proposal of a data sparsification unit for a mixed-mode MAPS detector / A., Gabrielli; G., Batignani; S., Bettarini; F., Bosi; G., Calderini; R., Cenci; M., Dell'Orso; F., Forti; P., Giannetti; M. A., Giorgi; A., Lusiani; G., Marchiori; F., Morsani; N., Neri; E., Paoloni; G., Rizzo; J., Walsh; M., Massa; A., Cervelli; C., Andreoli; E., Pozzati; L., Ratti; V., Speziali; M., Manghisoni; V., Re; G., Traversi; L., Bosisio; G., Giacomini; L., Lanceri; I., Rachevskaia; L., Vitale; G. F., Dalla Betta; G., Soncini; G., Fontana; L., Pancheri; Verzellesi, Giovanni; D., Gamba; G., Giraudo; P., Mereu; M., Bruschi; B., Giacobbe; N., Semprini; R., Spighi; M., Villa; A., Zoccoli. - ELETTRONICO. - 2:(2007), pp. 1471-1473. (Intervento presentato al convegno 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC tenutosi a Honolulu, HI, usa nel 26/10/2007-03/11/2007) [10.1109/NSSMIC.2007.4437277].
Proposal of a data sparsification unit for a mixed-mode MAPS detector
VERZELLESI, Giovanni;
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 mixedmode 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.
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