PEX8624:24lane PCIeGen2.0 6-port Switch技术概览

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"PEX8624是Intel公司推出的一款高性能、高密度的PCI Express (PCIe) Gen2交换芯片,适用于需要扩展PCIe接口的系统设计。这款产品具备24条lane,能够提供6个独立的PCIe端口,其核心特性包括集成的5.0 GT/s SerDes(串行解串器),19x19mm²的324引脚FCBGA封装,以及低至1.9瓦的典型功耗。" PEX8624的关键特性与优势如下: 1. **标准兼容性**:PEX8624遵循PCI Express Base Specification 第2.0版,向下兼容1.0a/1.1版本。它也符合PCI Power Management Specification第1.2版,确保了能效和电源管理的优化。此外,它与Microsoft Vista操作系统兼容,满足现代计算平台的需求。 2. **安全特性**:支持Access Control Services,允许对PCIe设备的访问进行控制和管理,增强了系统的安全性。 3. **动态链路宽度控制**和**动态SerDes速度控制**:这些特性使得PEX8624可以根据系统需求动态调整每个端口的带宽和数据传输速率,提供了灵活性和效率。 4. **高性能**:PEX8624采用非阻塞交换架构,确保所有端口都能实现全线速的数据传输,无内部冲突。其160纳秒的最大包延迟(x8到x8配置)体现了极高的传输效率。 5. **Packet Cut-Through技术**:这一特性意味着交换机在接收到数据包后几乎立即转发,降低了整体延迟,提高了系统的响应速度。 6. **封装与尺寸**:19x19mm²的324引脚FCBGA封装设计,使得PEX8624在保持高性能的同时,具有紧凑的体积,适合在空间有限的主板上使用。 7. **低功耗**:仅为1.9瓦的典型工作功率,使得该芯片在保持高效运行的同时,减少了散热问题,有利于整体系统的散热设计。 PEX8624是针对高性能计算、数据中心和服务器应用的理想选择,它通过提供灵活、高效且兼容性强的PCIe扩展解决方案,满足了现代计算平台对于高速数据传输和低延迟的要求。

PCX1 = 1.5482 $Shape factor Cfx for longitudinal force PDX1 = 1.1632 $Longitudinal friction Mux at Fznom PDX2 = -0.11154 $Variation of friction Mux with load PDX3 = 0.94173 $Variation of friction Mux with camber squared PEX1 = 0.27 $Longitudinal curvature Efx at Fznom PEX2 = 0.011693 $Variation of curvature Efx with load PEX3 = 0.053303 $Variation of curvature Efx with load squared PEX4 = 0.59223 $Factor in curvature Efx while driving PKX1 = 32.9102 $Longitudinal slip stiffness Kfx/Fz at Fznom PKX2 = 12.7911 $Variation of slip stiffness Kfx/Fz with load PKX3 = -0.11254 $Exponent in slip stiffness Kfx/Fz with load PHX1 = -0.0017527 $Horizontal shift Shx at Fznom PHX2 = 0.00068824 $Variation of shift Shx with load PVX1 = 0.068079 $Vertical shift Svx/Fz at Fznom PVX2 = 0.0023429 $Variation of shift Svx/Fz with load PPX1 = -0.8733 $linear influence of inflation pressure on longitudinal slip stiffness PPX2 = 0.7035 $quadratic influence of inflation pressure on longitudinal slip stiffness PPX3 = -0.0080216 $linear influence of inflation pressure on peak longitudinal friction PPX4 = -0.47776 $quadratic influence of inflation pressure on peak longitudinal friction RBX1 = 18.3369 $Slope factor for combined slip Fx reduction RBX2 = 18.2559 $Variation of slope Fx reduction with kappa RBX3 = 607.8133 $Influence of camber on stiffness for Fx combined RCX1 = 0.96372 $Shape factor for combined slip Fx reduction REX1 = -1.2699 $Curvature factor of combined Fx REX2 = -0.14323 $Curvature factor of combined Fx with load RHX1 = 0.0037359 $Shift factor for combined slip Fx reduction帮我做成表格

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