Charge collection in HI/sup 2/L bipolar transistors
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:6166355
Charge collection measurements were carried out on HI/sup 2/L transistors in GaAs in order to determine the thickness of the equivalent sensitive volume to be used in calculating SEU rates for this technology and to set a new lower limit to the critical charge. The measurements were in the form of pulse-height spectra measured between the base-emitter and collector-emitter contacts upon exposure to energetic protons, alphas, and sulfur ions. The sulfur data is consistent with the SEU-sensitive junction being the base-emitter junction with an equivalent sensitive volume of thickness 0.1 ..mu..m for high LET particles. Comparison of the proton charge-collection data with earlier SEU measurements results in a revision of our estimate of the lower limit to the critical charge for HI/sup 2/L gate arrays to a value which is higher than previous estimates by more than a factor of two. The combination of reduced charge collection and higher critical charge implies that this technology will be considerably harder to SEUs than previously believed.
- Research Organization:
- Clarkson Univ., Potsdam, NY (US); Univ. of Arizona, Tucson, AZ (US); Texas Instruments, Dallas, TX (US)
- OSTI ID:
- 6166355
- Report Number(s):
- CONF-880730-
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: 35:6
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440200 -- Radiation Effects on Instrument Components
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
654001* -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA PARTICLES
ARSENIC COMPOUNDS
ARSENIDES
CALCULATION METHODS
CHARGE COLLECTION
CHARGED PARTICLES
CHARGED-PARTICLE TRANSPORT
ENERGY TRANSFER
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
IONS
LET
PNICTIDES
PROTON TRANSPORT
RADIATION TRANSPORT
SEMICONDUCTOR DEVICES
SULFUR IONS
TRANSISTORS
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
654001* -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA PARTICLES
ARSENIC COMPOUNDS
ARSENIDES
CALCULATION METHODS
CHARGE COLLECTION
CHARGED PARTICLES
CHARGED-PARTICLE TRANSPORT
ENERGY TRANSFER
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
IONS
LET
PNICTIDES
PROTON TRANSPORT
RADIATION TRANSPORT
SEMICONDUCTOR DEVICES
SULFUR IONS
TRANSISTORS