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., G., G., B., S., B., F., B., G., C., R., C., M., D., F., F., P., G., M. A., G., A., L., G., M., F., M., N., N., E., P., G., R., J., W., M., M., A., C., C., A., et al.. - ELETTRONICO. - 2:(2007), pp. 1471-1473. (2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC Honolulu, HI, usa 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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