Session18 Technology and Circuits for Domain-Specific Accelerators.pdf

1、ISSCC 2026SESSION 18Technology and Circuits for Domain-Specific Accelerators18.1:A 3.19pJ/b Electro-Optical Router with 18ns Setup Frame-Level Routing and 1-to-6 Wavelength-Flexible Link Capacity for Photonic Interposers 2026 IEEE International Solid-State Circuits Conference1 of 62A 3.19pJ/b Electr

2、o-Optical Routerwith 18ns Setup Frame-Level Routing and 1-to-6 Wavelength-Flexible Link Capacityfor Photonic InterposersYvain Thonnart1,Christian Bernard2,Stphane Bernab2,Myriam Assous2,Laura Boutafa2,Benoit Charbonnier2,Rmi Franiatte2,Csar Fuguet1,Olivier Guille2,Vincent Josselin2,Stphane Malhouitr

3、e2,Laurent Mendizabal2,Andr Myko2,Damien Saint Patrice2,Rmi Vlard2,Jean Charbonnier21CEA-List,Grenoble,France2CEA-Leti,Grenoble,France18.1:A 3.19pJ/b Electro-Optical Router with 18ns Setup Frame-Level Routing and 1-to-6 Wavelength-Flexible Link Capacity for Photonic Interposers 2026 IEEE Internation

4、al Solid-State Circuits Conference2 of 62Outline MotivationIn-package photonic networking for chiplet-based architectures Principles&proposalPhotonic links,photonic switching&distributed routing architecture Electro-optical router architectureHigh-speed link microarchitectureProtocol from high level

5、 to phy levelFlexible multi-wavelength link capacityFast auto-calibration of optical levels Implementation&measurement resultsPerformance,power,area&benchmarking18.1:A 3.19pJ/b Electro-Optical Router with 18ns Setup Frame-Level Routing and 1-to-6 Wavelength-Flexible Link Capacity for Photonic Interp

6、osers 2026 IEEE International Solid-State Circuits Conference3 of 62Motivation:Short-reachdie-to-die(e.g.UCIE)RF lines on passive interposerCMOS buffers on active interposerENoC onactive interposerOptical link on photonicinterposer+high BW parall.+simple drivers+high datarate+low-latency+simple driv