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Título:
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Single Events in a COTS Soft-Error Free SRAM at Low Bias Voltage Induced by 15-MeV Neutrons
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Autores:
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Clemente Barreira, Juan Antonio ;
Franco Peláez, Francisco Javier ;
Villa, Francesca ;
Baylac, Maud ;
Ramos Vargas, Pablo Francisco ;
Vargas Vallejo, Vanessa Carolina ;
Mecha López, Hortensia ;
Agapito Serrano, Juan Andrés ;
Velazco, Raoul
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Tipo de documento:
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texto impreso
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Editorial:
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IEEE-Inst Electrical Electronics Engineers Inc, 2016-08-16
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Electrónica
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Materia = Ciencias: Física: Ordenadores
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Materia = Ciencias: Física: Radiactividad
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Materia = Ciencias: Informática: Electrónica
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Tipo = Artículo
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Resumen:
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This paper presents an experimental study of the sensitivity to 15-MeV neutrons of Advanced Low Power SRAMs (A-LPSRAM) at low bias voltage little above the threshold value that allows the retention of data. This family of memories is characterized by a 3D structure to minimize the area penalty and to cope with latchups, as well as by the presence of integrated capacitors to hinder the occurrence of single event upsets. In low voltage static tests, classical single event upsets were a minor source of errors, but other unexpected phenomena such as clusters of bitflips and hard errors turned out to be the origin of hundreds of bitflips. Besides, errors were not observed in dynamic tests at nominal voltage. This behavior is clearly different than that of standard bulk CMOS SRAMs, where thousands of errors have been reported.
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En línea:
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https://eprints.ucm.es/35304/1/TNS-00629-2015.pdf
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