Variability-speed-consumption trade-off in near threshold operation

Slimani, M - Silveira, Fernando - Matherat, P

Resumen:

Sub-threshold operation is an efficient solution for ultra low power applications. However, it is very sensitive to process variability which can impact the robustness and effective performance of the circuit. On the other hand this sensitivity decreases as we move towards near-threshold operation. In this paper, the impact of variability on sub-threshold and near-threshold circuit performance is investigated through analytical modeling and circuit simulation in a 65 nm industrial low power CMOS process. We show that variability moves the effective minimum energy point towards the near threshold region. Thus, we demonstrate that when variability is taken into account, a complete model that includes the near threshold (moderate inversion) region is necessary in order to correctly model circuit performance around the minimum energy point. Finally, we present the resulting speed-consumption trade-off in a variability-aware analysis of sub-threshold and near-threshold operation


Detalles Bibliográficos
2011
Sub-threshold logic
Near-threshold operation
Variability
Modeling
Electrónica
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/41119
Acceso abierto
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
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author Slimani, M
author2 Silveira, Fernando
Matherat, P
author2_role author
author
author_facet Slimani, M
Silveira, Fernando
Matherat, P
author_role author
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collection COLIBRI
dc.creator.none.fl_str_mv Slimani, M
Silveira, Fernando
Matherat, P
dc.date.accessioned.none.fl_str_mv 2023-11-14T17:04:22Z
dc.date.available.none.fl_str_mv 2023-11-14T17:04:22Z
dc.date.issued.es.fl_str_mv 2011
dc.date.submitted.es.fl_str_mv 20231114
dc.description.abstract.none.fl_txt_mv Sub-threshold operation is an efficient solution for ultra low power applications. However, it is very sensitive to process variability which can impact the robustness and effective performance of the circuit. On the other hand this sensitivity decreases as we move towards near-threshold operation. In this paper, the impact of variability on sub-threshold and near-threshold circuit performance is investigated through analytical modeling and circuit simulation in a 65 nm industrial low power CMOS process. We show that variability moves the effective minimum energy point towards the near threshold region. Thus, we demonstrate that when variability is taken into account, a complete model that includes the near threshold (moderate inversion) region is necessary in order to correctly model circuit performance around the minimum energy point. Finally, we present the resulting speed-consumption trade-off in a variability-aware analysis of sub-threshold and near-threshold operation
dc.identifier.citation.es.fl_str_mv Slimani, M., Silveira, F., Matherat, P. "Variability-Speed-Consumption Trade-off in Near Threshold Operation". [Preprint] Publicado en: Ayala, J.L., García-Cámara, B., Prieto, M., Ruggiero, M., Sicard, G. (eds) Integrated Circuit and System Design. Power and Timing Modeling, Optimization, and Simulation. PATMOS 2011. Lecture Notes in Computer Science, vol 6951. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24154-3_31
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/41119
dc.language.iso.none.fl_str_mv en
eng
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.es.fl_str_mv Sub-threshold logic
Near-threshold operation
Variability
Modeling
dc.subject.other.es.fl_str_mv Electrónica
dc.title.none.fl_str_mv Variability-speed-consumption trade-off in near threshold operation
dc.type.es.fl_str_mv Preprint
dc.type.none.fl_str_mv info:eu-repo/semantics/preprint
dc.type.version.none.fl_str_mv info:eu-repo/semantics/submittedVersion
description Sub-threshold operation is an efficient solution for ultra low power applications. However, it is very sensitive to process variability which can impact the robustness and effective performance of the circuit. On the other hand this sensitivity decreases as we move towards near-threshold operation. In this paper, the impact of variability on sub-threshold and near-threshold circuit performance is investigated through analytical modeling and circuit simulation in a 65 nm industrial low power CMOS process. We show that variability moves the effective minimum energy point towards the near threshold region. Thus, we demonstrate that when variability is taken into account, a complete model that includes the near threshold (moderate inversion) region is necessary in order to correctly model circuit performance around the minimum energy point. Finally, we present the resulting speed-consumption trade-off in a variability-aware analysis of sub-threshold and near-threshold operation
eu_rights_str_mv openAccess
format preprint
id COLIBRI_8c815b7a5af64f3fdfe46266310374ea
identifier_str_mv Slimani, M., Silveira, F., Matherat, P. "Variability-Speed-Consumption Trade-off in Near Threshold Operation". [Preprint] Publicado en: Ayala, J.L., García-Cámara, B., Prieto, M., Ruggiero, M., Sicard, G. (eds) Integrated Circuit and System Design. Power and Timing Modeling, Optimization, and Simulation. PATMOS 2011. Lecture Notes in Computer Science, vol 6951. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24154-3_31
instacron_str Universidad de la República
institution Universidad de la República
instname_str Universidad de la República
language eng
language_invalid_str_mv en
network_acronym_str COLIBRI
network_name_str COLIBRI
oai_identifier_str oai:colibri.udelar.edu.uy:20.500.12008/41119
publishDate 2011
reponame_str COLIBRI
repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
repository_id_str 4771
rights_invalid_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
spelling 2023-11-14T17:04:22Z2023-11-14T17:04:22Z201120231114Slimani, M., Silveira, F., Matherat, P. "Variability-Speed-Consumption Trade-off in Near Threshold Operation". [Preprint] Publicado en: Ayala, J.L., García-Cámara, B., Prieto, M., Ruggiero, M., Sicard, G. (eds) Integrated Circuit and System Design. Power and Timing Modeling, Optimization, and Simulation. PATMOS 2011. Lecture Notes in Computer Science, vol 6951. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24154-3_31https://hdl.handle.net/20.500.12008/41119Sub-threshold operation is an efficient solution for ultra low power applications. However, it is very sensitive to process variability which can impact the robustness and effective performance of the circuit. On the other hand this sensitivity decreases as we move towards near-threshold operation. In this paper, the impact of variability on sub-threshold and near-threshold circuit performance is investigated through analytical modeling and circuit simulation in a 65 nm industrial low power CMOS process. We show that variability moves the effective minimum energy point towards the near threshold region. Thus, we demonstrate that when variability is taken into account, a complete model that includes the near threshold (moderate inversion) region is necessary in order to correctly model circuit performance around the minimum energy point. Finally, we present the resulting speed-consumption trade-off in a variability-aware analysis of sub-threshold and near-threshold operationMade available in DSpace on 2023-11-14T17:04:22Z (GMT). No. of bitstreams: 5 SSM11.pdf: 154385 bytes, checksum: 437b998265d6f06985574749020646ef (MD5) license_text: 21936 bytes, checksum: 9833653f73f7853880c94a6fead477b1 (MD5) license_url: 49 bytes, checksum: 4afdbb8c545fd630ea7db775da747b2f (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) license.txt: 4194 bytes, checksum: 7f2e2c17ef6585de66da58d1bfa8b5e1 (MD5) Previous issue date: 2011enengLas obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad De La República. (Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)Sub-threshold logicNear-threshold operationVariabilityModelingElectrónicaVariability-speed-consumption trade-off in near threshold operationPreprintinfo:eu-repo/semantics/preprintinfo:eu-repo/semantics/submittedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaSlimani, MSilveira, FernandoMatherat, 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- Universidad de la Repúblicafalse
spellingShingle Variability-speed-consumption trade-off in near threshold operation
Slimani, M
Sub-threshold logic
Near-threshold operation
Variability
Modeling
Electrónica
status_str submittedVersion
title Variability-speed-consumption trade-off in near threshold operation
title_full Variability-speed-consumption trade-off in near threshold operation
title_fullStr Variability-speed-consumption trade-off in near threshold operation
title_full_unstemmed Variability-speed-consumption trade-off in near threshold operation
title_short Variability-speed-consumption trade-off in near threshold operation
title_sort Variability-speed-consumption trade-off in near threshold operation
topic Sub-threshold logic
Near-threshold operation
Variability
Modeling
Electrónica
url https://hdl.handle.net/20.500.12008/41119