Chiplet

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A 0.29 pJ/b 5.27 Tb/s/mm UCIe Advanced Package Link With 2.5-D CoWoS Interposer and a 0.52 pJ/b 0.448 Tb/s/mm UCIe Standard Package Link With Organic Substrate in 3 nm FinFET

A 0.29 pJ/b 5.27 Tb/s/mm UCIe Advanced Package Link With 2.5-D CoWoS Interposer and a 0.52 pJ/b 0.448 Tb/s/mm UCIe Standard Package Link With Organic Substrate in 3 nm FinFET 150 150
Author(s): Didem Turker Melek, James Vandersand, R. Navin Kumar, Pyare M. Sarkar, Prakash BS, Adrian Leuciuc, Kevin Geary, Shaojun Ma, Chirag M. Mehta, Basant Bothra, Shashi Jain, Pawan Sabharwal, Ranjan Vaish, Kirti Bhanushali, Yutong Ding, Craig Frost, John Annunziata, Krishanu Sadhu, Dimitris Kyritsis, Jeff Bostak, Ming Li, Steve Williams, Ken Chang

Abstract:

This work presents two die-to-die (D2D) wireline transceivers, one compliant with the UCIe advanced package (UCIe-AP) and the other with the UCIe standard package (UCIe-SP) standard, developed in 3 nm FinFET. The Universal Chiplet interconnect express (UCIe)-AP link has 64 RX and 64 TX data lanes in one PHY module and …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3651425
Publisher: IEEE

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3D-IC Chiplet Integrated Power Supply With LDO, SCVR, and Buck DC–DC Converter

3D-IC Chiplet Integrated Power Supply With LDO, SCVR, and Buck DC–DC Converter 150 150
Author(s): Xiaosen Liu, Xichen Sun, Renwei Chen, Haozhe Zhang, Zhoutong Liu, Yan Wang

Abstract:

With the rapid advancement of chiplet and heterogenous integration technologies, delivering power through the package, redistribution layer (RDL), and chip layers in 3-D space has become a fundamental challenge for high-performance SoCs. This letter provides a comprehensive overview of power delivery solutions, including low-dropout regulator (LDOs), switched capacitor converters, and …

Published in: IEEE Solid-State Circuits Letters
Page(s): 341 – 344
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3624096
Publisher: IEEE

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