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Home > Spotlights > White Paper: Optimizing High-Bandwidth Switch Fabric SoC Design

White Paper: Optimizing High-Bandwidth Switch Fabric SoC Design

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Optimizing High-Bandwidth Switch Fabric SoC Design: Minimizing Implementation Risks, Ensuring First-Pass Success, and Accelerating Time-to-Market

Designing high-bandwidth switch fabric SoCs—the bedrock of modern data centers—presents significant engineering hurdles. These complex components, crucial for immense data throughput, demand meticulous attention to signal integrity to prevent data degradation, power integrity to minimize disruptive noise, and robust thermal management to prevent overheating. Neglecting these areas risks performance limitations and costly design failures.

A proactive, iterative design flow is key to success. This involves early, comprehensive analysis of the SoC's specifications, IP, power, and physical layout. Rigorous electrical package analysis and Channel Operating Margin (COM) calculation verify signal performance, while thermal analysis confirms safe operating temperatures. By integrating these critical simulations throughout the process, potential issues are identified and resolved upfront, drastically cutting risks and accelerating time-to-market.

Content Overview

Switch Fabric SoC Design Flow

A comprehensive, step-by-step design methodology for switch fabric SoCs. Covers everything from initial SoC specification and IP selection to detailed floorplanning, package design, and crucial iterative analyses for electrical and thermal characteristics.

Design Example

A simplified illustration of the design flow in practice, using an example of a 32-port 400GBE switch. Demonstrates key considerations such as SerDes placement, package ball assignments, and the importance of separating high-speed signal layers to mitigate crosstalk.

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SerDes-WP-Author

About the Author

Prashant Singh

Prashant Singh is a Lead Project Engineer at Socionext America. In addition to holding a B.S. degree from the Massachusetts Institute of Technology and a Ph.D. in EE, Prashant possesses over 20 years of experience in optics, microwave circuit design, high-speed test and measurement, and serial communications for optical and copper channels. Prashant specializes in SERDES design and characterization, deep submicron CMOS circuit design, phase-locked loop, high-speed test and measurement, and signal integrity.

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Please fill out the form below to download "Optimizing High-Bandwidth Switch Fabric SoC Design: Minimizing Implementation Risks, Ensuring First-Pass Success, and Accelerating Time-to-Market".

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