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Optical PCIe 7.0 connection hits 128 GT/s
Cadence shows off optical solution for next-generation PCIe 7.0 that is not yet finalized.
However, having a working optical connectivity solution for a standard that is set to be used towards the end of the decade clearly demonstrates Cadence's technical prowess. During the event, Cadence demonstrated its 128 GT/s PCIe 7.0 IP's transmission and reception capabilities using a real-world, low-latency, non-retimed, linear optical connection. This setup consistently achieved a pre-FEC BER of ~3E-8, well within the PCIe specification requirement of 1E-6, making it the first stable demonstration of 128 GT/s over standard optical connectors.
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