CBC2: A CMS microstrip readout ASIC with logic for track-trigger modules at HL-LHC

The CBC2 is the latest version of the CMS Binary Chip ASIC for readout of the upgraded CMS Tracker at the High Luminosity LHC. It is designed in 130nm CMOS with 254 input channels and will be bump-bonded to a substrate to which sensors will be wire-bonded. The CBC2 is designed to instrument double l...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2014-11, Vol.765, p.214-218
Main Authors: Hall, G., Pesaresi, M., Raymond, M., Braga, D., Jones, L., Murray, P., Prydderch, M., Abbaneo, D., Blanchot, G., Honma, A., Kovacs, M., Vasey, F.
Format: Article
Language:English
Subjects:
ASIC electronics
HL-LHC
Silicon microstrips
Tracking detectors
Trigger
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Summary:The CBC2 is the latest version of the CMS Binary Chip ASIC for readout of the upgraded CMS Tracker at the High Luminosity LHC. It is designed in 130nm CMOS with 254 input channels and will be bump-bonded to a substrate to which sensors will be wire-bonded. The CBC2 is designed to instrument double layer modules, consisting of two overlaid silicon microstrip sensors with aligned microstrips, in the outer tracker. It incorporates logic to identify L1 trigger primitives in the form of “stubs”: high transverse-momentum track candidates which are identified within the low momentum background by selecting correlated hits between two closely separated microstrip sensors. The first prototype modules have been assembled. The performance of the chip in recent laboratory tests is briefly reported and the status of module construction described.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2014.04.056