08/31/2024, 12:43 PM UTC
PCIe 7.0 外部线缆规范更新PCIe 7.0 External Cable Specifications Update
➀ PCIe 7.0 外部线缆规范正在讨论和更新，重点关注信号完整性。➁ PCIe 7.0 线缆的差分插入损耗要求达到 48GHz。➂ 回波损耗在 32GHz 时要求达到 -15dB。➃ 提供了近端和远端串扰的要求，但没有指定 ICN。➄ 线缆的 skew 和 lane-to-lane skew 也被定义，EIPS 小于 2ps，1m 以内线缆的 lane-to-lane skew 小于 200ps。➀ PCIe 7.0 external cable specifications are under discussion and update, with a focus on signal integrity. ➁ The differential insertion loss for PCIe 7.0 cables is required to reach 48GHz. ➂ Return loss is specified to be -15dB at 32GHz. ➃ Near-end and far-end crosstalk requirements are provided without specifying ICN. ➄ Cable skew and lane-to-lane skew are also defined, with EIPS less than 2ps and lane-to-lane skew less than 200ps for cables up to 1m.
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