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.

Proposal of a data sparsification unit for a mixed-mode MAPS detector

Ratti, Lodovico;Giacomini, Gabriele;Dalla Betta, Gian Franco;Soncini, Giovanni;Pancheri, Lucio;
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.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11582/13249
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