Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead

Nibedita Karmokar; Meghna Madhusudan; Arvind K. Sharma; Ramesh Harjani; Mark Po Hung Lin; Sachin S. Sapatnekar

doi:10.1109/ASP-DAC52403.2022.9712576

Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead

Nibedita Karmokar, Meghna Madhusudan, Arvind K. Sharma, Ramesh Harjani, Mark Po Hung Lin, Sachin S. Sapatnekar

Institute of Intelligent Systems

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

This paper presents an overview of common-centroid (CC) layout styles, used in analog designs to overcome the impact of systematic variations. CC layouts must be carefully engineered to minimize the impact of mismatch. Algorithms for CC layout must be aware of routing parasitics, layout-dependent effects (for active devices), and the performance impact of layout choices. The optimal CC layout further depends on factors such as the choice of the unit device and the relative impact of uncorrelated and systematic variations. The paper also examines scenarios where non-CC layouts may be preferable to CC layouts.

Original language	English
Title of host publication	ASP-DAC 2022 - 27th Asia and South Pacific Design Automation Conference, Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	114-121
Number of pages	8
ISBN (Electronic)	9781665421355
DOIs	https://doi.org/10.1109/ASP-DAC52403.2022.9712576
State	Published - 2022
Event	27th Asia and South Pacific Design Automation Conference, ASP-DAC 2022 - Virtual, Online, Taiwan Duration: 17 Jan 2022 → 20 Jan 2022

Publication series

Name	Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC
Volume	2022-January

Conference

Conference	27th Asia and South Pacific Design Automation Conference, ASP-DAC 2022
Country/Territory	Taiwan
City	Virtual, Online
Period	17/01/22 → 20/01/22

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10.1109/ASP-DAC52403.2022.9712576

Cite this

Karmokar, N., Madhusudan, M., Sharma, A. K., Harjani, R., Lin, M. P. H., & Sapatnekar, S. S. (2022). Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead. In ASP-DAC 2022 - 27th Asia and South Pacific Design Automation Conference, Proceedings (pp. 114-121). (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC; Vol. 2022-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ASP-DAC52403.2022.9712576

Karmokar, Nibedita ; Madhusudan, Meghna ; Sharma, Arvind K. et al. / Common-Centroid Layout for Active and Passive Devices : A Review and the Road Ahead. ASP-DAC 2022 - 27th Asia and South Pacific Design Automation Conference, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. pp. 114-121 (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

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abstract = "This paper presents an overview of common-centroid (CC) layout styles, used in analog designs to overcome the impact of systematic variations. CC layouts must be carefully engineered to minimize the impact of mismatch. Algorithms for CC layout must be aware of routing parasitics, layout-dependent effects (for active devices), and the performance impact of layout choices. The optimal CC layout further depends on factors such as the choice of the unit device and the relative impact of uncorrelated and systematic variations. The paper also examines scenarios where non-CC layouts may be preferable to CC layouts. ",

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Karmokar, N, Madhusudan, M, Sharma, AK, Harjani, R, Lin, MPH & Sapatnekar, SS 2022, Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead. in ASP-DAC 2022 - 27th Asia and South Pacific Design Automation Conference, Proceedings. Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC, vol. 2022-January, Institute of Electrical and Electronics Engineers Inc., pp. 114-121, 27th Asia and South Pacific Design Automation Conference, ASP-DAC 2022, Virtual, Online, Taiwan, 17/01/22. https://doi.org/10.1109/ASP-DAC52403.2022.9712576

Common-Centroid Layout for Active and Passive Devices : A Review and the Road Ahead. / Karmokar, Nibedita; Madhusudan, Meghna; Sharma, Arvind K. et al.

ASP-DAC 2022 - 27th Asia and South Pacific Design Automation Conference, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. p. 114-121 (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC; Vol. 2022-January).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - This paper presents an overview of common-centroid (CC) layout styles, used in analog designs to overcome the impact of systematic variations. CC layouts must be carefully engineered to minimize the impact of mismatch. Algorithms for CC layout must be aware of routing parasitics, layout-dependent effects (for active devices), and the performance impact of layout choices. The optimal CC layout further depends on factors such as the choice of the unit device and the relative impact of uncorrelated and systematic variations. The paper also examines scenarios where non-CC layouts may be preferable to CC layouts.

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Karmokar N, Madhusudan M, Sharma AK, Harjani R, Lin MPH, Sapatnekar SS. Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead. In ASP-DAC 2022 - 27th Asia and South Pacific Design Automation Conference, Proceedings. Institute of Electrical and Electronics Engineers Inc. 2022. p. 114-121. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC). doi: 10.1109/ASP-DAC52403.2022.9712576

Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead

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