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Home > Press Releases > Socionext Series Highlights Advantages of an ADC-DSP SerDes Architecture for High-Speed Serial Communications

Socionext Series Highlights Advantages of an ADC-DSP SerDes Architecture for High-Speed Serial Communications

Press Releases, UncategorizedFebruary 28, 2023

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Includes Full Review of PAM-4 Benefits, ADC-DSP Benefits

Milpitas, Calif., Feb 28, 2023 --- Socionext America (SNA), a world-leading custom SoC technologies and solutions provider, today published three new articles examining the evolution of the SerDes architectures and the advantages of ADC-DSP for high-speed serial communications. With a focus on the storage, data center, and high-performance computing markets, the three-part series offers designers a clear view of the benefits of Pulse Amplitude Modulation data transmission and how to apply an ADC-DSP architecture to serve increasing serial data rates.

Part I

Part II

Part III

Part I: The Evolution of SerDes Architecture and Advantages of ADC-DSP for High-Speed Serial Communications
The first paper discussed the limitations of NRZ (non-return to zero) data transmission for high-loss channels and presented PAM4 data transmission as a solution to serve the continued increase of serial data rates.

Part II: As Serial Data Rates Continue to Increase, PAM-4 Delivers Significant Advantages
This second section of the series compares NRZ and PAM4 data transmission by simulating data transmission through a 29.8” backplane channel.

Part III: How an ADC-DSP Architecture Can Enable Increased Serial Data Rates
How ADC-DSP SerDes architecture will effectively handle continued increases in serial line rates and mitigate PVT variations in process, voltage, and temperature while reducing package size.

Socionext’s ADC-DSP SerDes architecture has several advantages over a conventional SerDes architecture. In addition to the ability to handle multi-level signaling, such as PAM4, PAM8, and others, using DSP enables complex equalization and clock recovery algorithms. ADC-DSP SerDes greatly improves robustness to PVT variation, and scales well as CMOS dimensions shrink. The ADC-DSP SerDes architecture can also be combined with linear equalization such as CTLE (Continuous-Time Linear Equalizer) and FFE (Feed-Forward Equalizer); thus, providing a practical path forward for continued increase in serial line rates.

About Socionext America Inc.

Socionext America Inc. (SNA) is the US branch of Socionext Inc., one of the world’s leading fabless SoC suppliers. Headquartered in Milpitas, California, the company provides leading-edge technologies and offers a wide range of standard and customizable SoC solutions. Socionext America meets customers' requirements with quality semiconductor products based on extensive and differentiated IPs, proven design methodologies, and state-of-the-art implementation expertise, with full support.

For product information, visit our website, e-mail [email protected] or call 1-408-550-6861. For company news and updates, connect with us on Twitter, Facebook and YouTube.

About Socionext Inc.

Socionext Inc. is a global SoC (System-on-Chip) supplier and a pioneer of a unique “Solution SoC” business model through decades of industry experience and expertise. Socionext contributes to global innovation in advanced technologies including automotive, data center, networking, and smart devices. As a trusted silicon partner, Socionext delivers superior features, performance, and quality that differentiate its customers’ products and services from their competition.

Socionext Inc. is headquartered in Yokohama, and has offices in Japan, Asia, United States and Europe to lead its development and sales activities. For more information, visit https://www.socionext.com/en/.

All company or product names mentioned herein are trademarks or registered trademarks of their respective owners. Information provided in this press release is accurate at time of publication and is subject to change without advance notice.

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