Exploring the Technical Differences Between PCI Express® Specification Revisions

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Presented by

Moderator: Scott Knowlton (Synopsys); Panelists: Richard Ward (Astera Labs), Timothy Pezarro (Microchip), Matt Burns (Samtec)

About this talk

For more than two decades, PCI-SIG® has delivered industry-leading PCI Express® (PCIe®) specifications, remaining ahead of the demand for a high-bandwidth, low-latency interconnect for compute-intensive systems. Starting with the PCIe 1.0 specification in 2002, PCI-SIG has doubled the I/O bandwidth with each subsequent generation. Considering the entire catalogue of PCIe specifications, there are many different factors to consider when choosing the right PCIe generation for an application, including power, bandwidth, signal integrity, reach and data transfer rates. In this webinar, a panel of industry experts from PCI-SIG member companies will discuss the technical differences between the PCIe specifications – from PCIe 3.0 specification (8 GT/s) to PCIe 7.0 specification (128 GT/s). The PCIe 4.0 and PCIe 5.0 specifications (16 GT/s and 32 GT/s) are the current industry standards, while PCIe 6.0 (64 GT/s) technology market adoption is now underway. The PCIe 7.0 specification is under development and on track for release in 2025, targeting data-demanding applications such as 800 G Ethernet, AI/ML, Cloud and Quantum Computing and Hyperscale Data Centers. Participants will learn the technical considerations of PCIe technology, including: - Differences in electrical signal reach between the PCIe specifications - Maximum latency for each PCIe technology generation - Challenges of PCIe 5.0 specification adoption and the jump to PCIe 6.0 technology - Shift from NRZ to PAM4 signaling and the addition of Flit mode - The diverse applications of PCIe technology and implementation approaches
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PCI-SIG is the organization that defines the PCI Express® (PCIe®) I/O bus specifications and related form factors. Our channel will feature quarterly webinars covering topics like PCIe specification overviews, PCI-SIG compliance and interoperability, PCIe form factors, PCIe applications and more. Our webinars will be presented by PCI-SIG technology experts from leading technology companies.