Acta Optica Sinica, Volume. 39, Issue 5, 0504001(2019)

Single-Event Upset and Damage Mechanism in 8T-Global Shutter CMOS Image Sensors

Bo Wang1、*, Liheng Wang1, Weixin Liu1, Zebin Kong1, Yudong Li2, Zhen Li1, Kunshu Wang1, Weiming Zhu1, and Ming Xuan1
Author Affiliations
  • 1 Device Reliability Assurance Department, No.808 Institute of the Eighth Academy of China Aerospace Science and Technology Corporation, Shanghai 201109, China
  • 2 Radiation Effect Laboratory, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China
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    Figures & Tables(16)
    Block diagram of CMV4000 image sensor
    Cross-sectional diagram of 8T pixel unit
    SEU diagram of standard 6T structure SRAM storage unit after exposure to heavy-ion irradiation[13]
    Block diagram of 8T-global exposure CIS single-particle online detection system
    Abnormal images after SEU in offset register. (a) Nth; (b) (N+1)th; (c) (N+2)th
    Three-dimensional stereograms of image abnormal mode after SEU in offset register. (a) Nth; (b) (N+1)th; (c) (N+2)th
    Image abnormal mode after SEU in LVDS output register
    Image abnormal mode after SEU in row-decoder address decoder
    Image abnormal mode after SEU in output clock register
    Working diagram of 8-channel LVDS. (a) Reading out line by line for LVDS; (b) pixel output line coordinate corresponding to each LVDS
    Timing diagram of 10-bit pixel output
    Schematic of corrupted code for 10-bit pixel output
    • Table 1. Ion information for heavy-ion irradiation tests

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      Table 1. Ion information for heavy-ion irradiation tests

      Ion specieIncident angleRange /μmLET /(MeV·cm2·mg-1)Experimental environment
      16OVertical95.23.1Vacuum tank
      27SiVertical50.79.3Vacuum tank
      35ClVertical42.813.4Vacuum tank
      48TiVertical32.922.2Vacuum tank
      74GeVertical29.9537.37Vacuum tank
    • Table 2. CIS SEU test data

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      Table 2. CIS SEU test data

      Ion specieLET /(MeV·cm2·mg-1)Flux /(ion·cm-2·s-1)Fluence /(106 ion·cm-2)Number of SEUσ /(cm2·device-1)
      16O3.120001.500
      27Si9.320001.33772.9×10-4
      35Cl13.420003.638491.07×10-3
      48Ti22.220000.7680741.06×10-2
      74Ge37.3720001130621.3×10-2
    • Table 3. Image abnormal modes caused by SEU

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      Table 3. Image abnormal modes caused by SEU

      Register nameFunctional descriptionAbnormal image representationLET /(MeV·cm2·mg-1)
      Offset registerFor pixel dark signal correctionOutput image of "always zero"9.3
      LVDS registerControl pixel output channelLVDS output channel severaladjacent column output exception13.4,22.2,37.37
      Row-decoder registerRow address addressing, controllingline pixel exposure and readoutSome zero row outputs13.4,22.2,37.37
      Output clock registerEnsuring alignment with deviceclock and 10-bit pixel codevalue output in turnWhole image messy code22.2,37.37
    • Table 4. Original setting of CMV4000 offset register

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      Table 4. Original setting of CMV4000 offset register

      Register nameRegister addressDefault of gray valueRegister function description
      Offset register100-10116323Value in this register defining dark signal correction appliedto pixel output signal (minimum is 0, maximum is 16383)
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    Bo Wang, Liheng Wang, Weixin Liu, Zebin Kong, Yudong Li, Zhen Li, Kunshu Wang, Weiming Zhu, Ming Xuan. Single-Event Upset and Damage Mechanism in 8T-Global Shutter CMOS Image Sensors[J]. Acta Optica Sinica, 2019, 39(5): 0504001

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    Paper Information

    Category: Detectors

    Received: Oct. 29, 2018

    Accepted: Jan. 2, 2019

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0504001

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