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EnglishCARLOSv3 is a custom digital integrated circuit that plays a significant role in the data acquisition (DAQ) chain of the silicon drift detector (SDD) of a large ion collider experiment (ALICE). Each CARLOSv3 acts as a JTAG switch for front-end electronics and implements on-line two-dimensional (2D) data compression for two 8-bit DAQ channels handling the data streams delivered by the SDDs. The chip has been implemented using the 0.25 mm CMOS 3-metal CERN-developed digital library. It is composed of nearly 10k gates, has 88 user pads out of a total of 100 pads, has a die size of 44mm2 and is packaged in a CQFP100 ceramic package. In the paper, the chip is presented and described together with the 2Dcompression algorithm, the readout chain for ALICE SDDand the tests carried out.
| Titolo: | A Rad-Hard 2D-Compressor ASIC for ALICE SDD Experiment |
| Autore/i: | GABRIELLI, ALESSANDRO; GANDOLFI, ENZO; FALCHIERI, DAVIDE; ANTINORI, SAMUELE |
| Autore/i Unibo: | |
| Anno: | 2004 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.nima.2004.01.046 |
| Abstract: | CARLOSv3 is a custom digital integrated circuit that plays a significant role in the data acquisition (DAQ) chain of the silicon drift detector (SDD) of a large ion collider experiment (ALICE). Each CARLOSv3 acts as a JTAG switch for front-end electronics and implements on-line two-dimensional (2D) data compression for two 8-bit DAQ channels handling the data streams delivered by the SDDs. The chip has been implemented using the 0.25 mm CMOS 3-metal CERN-developed digital library. It is composed of nearly 10k gates, has 88 user pads out of a total of 100 pads, has a die size of 44mm2 and is packaged in a CQFP100 ceramic package. In the paper, the chip is presented and described together with the 2Dcompression algorithm, the readout chain for ALICE SDDand the tests carried out. |
| Data prodotto definitivo in UGOV: | 2007-02-27 10:10:26 |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/11585/42535
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