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Register-Like Storage Block Used as Histograms, Cluster Buffers, and Hough Transform Accumulators for HEP Trigger Systems

Journal Article · · IEEE Transactions on Nuclear Science
 [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
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In high energy physics experiment trigger systems, block memories are utilized for various purposes, especially in binned searching algorithms. In these algorithms, the storages are demanded to perform like a large set of registers. The writing and reading operation must be performed in single clock cycle and once an event is processed, the memory must be globally reset. These demands can be fulfilled with registers but the cost of using registers for large memory is unaffordable. Another common requirement is the boundary coverage feature during reading process. Additionally, when a memory bin is addressed, the stored contents in the addressed bin and its neighboring bin must be output simultaneously. In this paper, a register-like block storage design scheme is described, which allows updating memory locations in single clock cycle, reading two adjacent bins, and effectively refreshing entire memory within a single clock. The implementation and test results are presented.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1834174
Report Number(s):
FERMILAB-PUB-21-569-PPD; arXiv:2112.00831; oai:inspirehep.net:1983156
Journal Information:
IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 6 Vol. 69; ISSN 0018-9499
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

References (9)

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Tracking within Hadronic Showers in the CALICE SDHCAL prototype using a Hough Transform Technique journal May 2017
An FPGA based track finder for the L1 trigger of the CMS experiment at the High Luminosity LHC journal December 2017
Hardware demonstrator of a compact first-level muon track trigger for future hadron collider experiments journal February 2019
A novel approach to track finding in a drift tube chamber journal January 2007
An FPGA-based track finder for the L1 trigger of the CMS experiment at the high luminosity LHC conference June 2016
Several Key Issues on Implementing Delay Line Based TDCs Using FPGAs journal June 2010
Fast pattern recognition of ATLAS L1 track trigger for HL-LHC conference August 2017

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
HEP trigger systems
Hough transform accumulators
addressed bin
binned searching algorithms
block memories
boundary coverage feature
cluster buffers
common requirement
high-energy physics experiment trigger systems
histograms
memory bin
neighboring bin
reading operation
reading process
register-like block storage design scheme
registers
single clock cycle