https://www.knightli.com/tags/%E9%AB%98%E9%80%9F%E4%BA%92%E8%BF%9E%E8%8A%AF%E7%89%87/ Recent content in 高速互连芯片 on KnightLi的博客 Hugo -- gohugo.io zh-cn Thu, 18 Sep 2025 00:00:00 +0000 https://www.knightli.com/2025/09/18/pcie-switches-pci-e-%E4%BA%A4%E6%8D%A2%E6%9C%BA%E8%8A%AF%E7%89%87/ Thu, 18 Sep 2025 00:00:00 +0000 https://www.knightli.com/2025/09/18/pcie-switches-pci-e-%E4%BA%A4%E6%8D%A2%E6%9C%BA%E8%8A%AF%E7%89%87/ <p>常见的PCIE Switches PCI-E 交换机芯片主要是 Broadcom,asmedia 生产</p> <h2 id="broadcom">Broadcom </h2><p>参考URL : <a class="link" href="https://docs.broadcom.com/docs/BC00-0445EN" target="_blank" rel="noopener" >https://docs.broadcom.com/docs/BC00-0445EN</a></p> <h3 id="pex89000-series-featuring-pcie-gen-50-expressfabric-technology">PEX89000 Series featuring PCIe Gen 5.0 ExpressFabric Technology </h3><table> <thead> <tr> <th>Part Number</th> <th>Description</th> <th>Lanes</th> <th>Ports</th> <th>Latency (ns)</th> <th>Serial HPC</th> <th>NT Ports</th> <th>SSC Clks</th> <th>Shared I/O</th> <th>DPC/Read Tracking</th> <th>Embedded CPU</th> <th>SRIS,SRNS,CIKS</th> <th>MSI-X</th> <th>Power Typ. (W)</th> <th>Pkg. (mm)</th> <th>Life Cycle</th> </tr> </thead> <tbody> <tr> <td>SS26-0B00-00</td> <td>PEX89144 Switch</td> <td>144</td> <td>72</td> <td>115</td> <td>✓</td> <td>8</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>49</td> <td>47.5x47.5</td> <td>Active</td> </tr> <tr> <td>SS24-0B00-00</td> <td>PEX89104 Switch</td> <td>104</td> <td>52</td> <td>115</td> <td>✓</td> <td>8</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>38</td> <td>42.5x42.5</td> <td>Active</td> </tr> <tr> <td>SS23-0B00-00</td> <td>PEX89088 Switch</td> <td>88</td> <td>44</td> <td>115</td> <td>✓</td> <td>8</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>33</td> <td>42.5x42.5</td> <td>Active</td> </tr> <tr> <td>SS22-0B00-00</td> <td>PEX89072 Switch</td> <td>72</td> <td>36</td> <td>115</td> <td>✓</td> <td>8</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>29</td> <td>37.5x37.5</td> <td>Active</td> </tr> <tr> <td>SS29-0A00-00</td> <td>PEX89048 Switch</td> <td>48</td> <td>48</td> <td>115</td> <td>✓</td> <td>4</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>23.7</td> <td>29x29</td> <td>Active</td> </tr> <tr> <td>SS28-0A00-00</td> <td>PEX89032 Switch</td> <td>32</td> <td>32</td> <td>115</td> <td>✓</td> <td>4</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>17.2</td> <td>29x29</td> <td>Active</td> </tr> <tr> <td>SS27-0A00-00</td> <td>PEX89024 Switch</td> <td>24</td> <td>24</td> <td>115</td> <td>✓</td> <td>4</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>Dual Core ARM A15</td> <td>✓</td> <td>✓</td> <td>14</td> <td>29x29</td> <td>Active</td> </tr> </tbody> </table> <img src="b1.png" width=1%> <h3 id="pex88000-series-featuring-pcie-gen-40-expressfabric-technology">PEX88000 Series featuring PCIe Gen 4.0 ExpressFabric Technology </h3><table> <thead> <tr> <th>Part Number</th> <th>Description</th> <th>Lanes</th> <th>Ports</th> <th>Latency (ns)</th> <th>Serial HPC</th> <th>NT Ports</th> <th>SSC Clks</th> <th>DMA</th> <th>Shared I/O</th> <th>DPC/Read Tracking</th> <th>Embedded CPU</th> <th>SRIS, SRNS, CIKS</th> <th>MSI-X</th> <th>Power Typ. (W)</th> <th>Pkg. (mm)</th> <th>Life Cycle</th> </tr> </thead> <tbody> <tr> <td>SS02-OB00-00</td> <td>PEX88096 Switch</td> <td>98</td> <td>98</td> <td>105</td> <td>all ports</td> <td>48</td> <td>4</td> <td>48</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>35.78</td> <td>37.5 x 42.5</td> <td>Active</td> </tr> <tr> <td>SS03-OB00-00</td> <td>PEX88080 Switch</td> <td>82</td> <td>82</td> <td>105</td> <td>all ports</td> <td>40</td> <td>4</td> <td>40</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>30.98</td> <td>37.5 x 42.5</td> <td>Active</td> </tr> <tr> <td>SS04-OB00-00</td> <td>PEX88064 Switch</td> <td>66</td> <td>66</td> <td>105</td> <td>all ports</td> <td>32</td> <td>4</td> <td>32</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>26.12</td> <td>37.5 x 42.5</td> <td>Active</td> </tr> <tr> <td>SS05-OB00-00</td> <td>PEX88048 Switch</td> <td>50</td> <td>50</td> <td>105</td> <td>all ports</td> <td>24</td> <td>4</td> <td>24</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>18.81</td> <td>27 x 24</td> <td>Active</td> </tr> <tr> <td>SS06-OB00-00</td> <td>PEX88032 Switch</td> <td>34</td> <td>34</td> <td>105</td> <td>all ports</td> <td>16</td> <td>4</td> <td>16</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>13.18</td> <td>27 x 24</td> <td>Active</td> </tr> <tr> <td>SS07-OB00-00</td> <td>PEX88024 Switch</td> <td>26</td> <td>26</td> <td>110</td> <td>all ports</td> <td>12</td> <td>4</td> <td>12</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>11.44</td> <td>27 x 24</td> <td>Active</td> </tr> <tr> <td>SS08-OB00-00</td> <td>PEX88T32 Retimer</td> <td>32</td> <td>2</td> <td>105</td> <td>No</td> <td>N/A</td> <td>1</td> <td>N/A</td> <td>N/A</td> <td>✓</td> <td>N/A</td> <td>✓</td> <td>N/A</td> <td>13.65</td> <td>27 x 24</td> <td>Active</td> </tr> </tbody> </table> <img src="b2.png" width=1%> <h3 id="pex9700-series-featuring-expressfabric-technology">PEX9700 Series featuring ExpressFabric Technology </h3><table> <thead> <tr> <th>Part Number</th> <th>Description</th> <th>Lanes</th> <th>Ports</th> <th>Latency (ns)</th> <th>HPC</th> <th>TWC Ports</th> <th>SSC</th> <th>Dedicated x1 mCPU Port</th> <th>Shared I/O</th> <th>DPC/DPC</th> <th>Read Tracking</th> <th>SRIS</th> <th>MSI-X</th> <th>Power Typ. (W)</th> <th>Pkg. (mm)</th> <th>Life Cycle</th> </tr> </thead> <tbody> <tr> <td>SS14-OB00-00</td> <td>PEX9797 Switch</td> <td>97</td> <td>25</td> <td>150</td> <td>6</td> <td>24</td> <td>24</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>23.9</td> <td>35x35</td> <td>Active</td> </tr> <tr> <td>SS15-OB00-00</td> <td>PEX9781 Switch</td> <td>81</td> <td>21</td> <td>150</td> <td>5</td> <td>20</td> <td>20</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>21.5</td> <td>35x35</td> <td>Active</td> </tr> <tr> <td>SS16-OB00-00</td> <td>PEX9765 Switch</td> <td>65</td> <td>17</td> <td>150</td> <td>4</td> <td>16</td> <td>16</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>15.9</td> <td>35x35</td> <td>Active</td> </tr> <tr> <td>SS17-OB00-00</td> <td>PEX9749 Switch</td> <td>49</td> <td>13</td> <td>150</td> <td>4</td> <td>12</td> <td>12</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>13.5</td> <td>27x27</td> <td>Active</td> </tr> <tr> <td>SS18-OB00-00</td> <td>PEX9733 Switch</td> <td>33</td> <td>9</td> <td>150</td> <td>3</td> <td>8</td> <td>8</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>7.9</td> <td>27x27</td> <td>Active</td> </tr> <tr> <td>SS19-OB00-00</td> <td>PEX9716 Switch</td> <td>16</td> <td>5</td> <td>154</td> <td>1</td> <td>4</td> <td>4</td> <td>-</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>4.0</td> <td>19x19</td> <td>Active</td> </tr> <tr> <td>SS20-OB00-00</td> <td>PEX9712 Switch</td> <td>12</td> <td>5</td> <td>158</td> <td>1</td> <td>4</td> <td>4</td> <td>-</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>✓</td> <td>3.5</td> <td>19x19</td> <td>Active</td> </tr> </tbody> </table> <img src="b3.png" width=1%> <h3 id="expresslanetm-switches-pcie-gen3">ExpressLaneTM Switches (PCIe Gen3) </h3><table> <thead> <tr> <th>Part Number</th> <th>Lanes</th> <th>Ports</th> <th>Latency (ns)</th> <th>Multi-Root/ Dual-Host</th> <th>Multicast or Dual-cast</th> <th>ACS/ ARI</th> <th>NT*</th> <th>DMA*</th> <th>HPC*</th> <th>VCs*</th> <th>SSC*</th> <th>Power Typ. (W)</th> <th>Temp. (°C)</th> <th>Package Size (mm²)</th> <th>Life Cycle</th> </tr> </thead> <tbody> <tr> <td>PEX8796</td> <td>96</td> <td>24</td> <td>150</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>—</td> <td>6</td> <td>1</td> <td>24</td> <td>18.6</td> <td>-40 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8780</td> <td>80</td> <td>20</td> <td>150</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>—</td> <td>5</td> <td>1</td> <td>20</td> <td>16.6</td> <td>-40 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8764</td> <td>64</td> <td>16</td> <td>150</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>—</td> <td>4</td> <td>1</td> <td>16</td> <td>12.4</td> <td>-40 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8750</td> <td>48</td> <td>12</td> <td>150</td> <td>3</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>—</td> <td>4</td> <td>1</td> <td>12</td> <td>10.3</td> <td>-40 +85</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8749</td> <td>48</td> <td>18</td> <td>150</td> <td>6</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>4</td> <td>3</td> <td>2</td> <td>12</td> <td>7.3</td> <td>0 +70</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8748</td> <td>48</td> <td>12</td> <td>150</td> <td>6</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>7.3</td> <td>0 +70</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8747</td> <td>48</td> <td>5</td> <td>150</td> <td>—</td> <td>MC</td> <td>Yes</td> <td>—</td> <td>—</td> <td>—</td> <td>1</td> <td>—</td> <td>7.3</td> <td>0 +70</td> <td>19×21</td> <td>Active</td> </tr> <tr> <td>PEX8734</td> <td>32</td> <td>8</td> <td>150</td> <td>2</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>—</td> <td>2</td> <td>1</td> <td>8</td> <td>6.2</td> <td>-40 +85</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8733</td> <td>32</td> <td>18</td> <td>150</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>4</td> <td>3</td> <td>2</td> <td>8</td> <td>6.4</td> <td>0 +70</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8732</td> <td>32</td> <td>8</td> <td>150</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>8</td> <td>5.8</td> <td>0 +70</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8725</td> <td>24</td> <td>10</td> <td>156</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>4</td> <td>3</td> <td>2</td> <td>6</td> <td>5.4</td> <td>0 +70</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8724</td> <td>24</td> <td>6</td> <td>156</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>5.4</td> <td>0 +70</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8718</td> <td>16</td> <td>5</td> <td>162</td> <td>1</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>1</td> <td>1</td> <td>4</td> <td>2.9</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8717</td> <td>16</td> <td>10</td> <td>162</td> <td>2</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>4</td> <td>3</td> <td>2</td> <td>4</td> <td>4.9</td> <td>0 +70</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8716</td> <td>16</td> <td>4</td> <td>162</td> <td>2</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>4.3</td> <td>0 +70</td> <td>19×19</td> <td>New designs use 8718</td> </tr> <tr> <td>PEX8714</td> <td>12</td> <td>5</td> <td>162</td> <td>1</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>1</td> <td>1</td> <td>4</td> <td>2.7</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8713</td> <td>12</td> <td>10</td> <td>162</td> <td>2</td> <td>MC</td> <td>Yes</td> <td>2</td> <td>4</td> <td>3</td> <td>2</td> <td>3</td> <td>4.7</td> <td>0 +70</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8712</td> <td>12</td> <td>3</td> <td>162</td> <td>2</td> <td>MC</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>4.1</td> <td>0 +70</td> <td>19×19</td> <td>New designs use 8714</td> </tr> </tbody> </table> <p>* Acronym Guide: ACS = Access Control Service; ARI = Alternative Routing-ID Interpretation; NT = Non-Transparency; DMA = Direct Memory Access channels; HPC = Hot-Plug Controllers; ^^ = Hot-Plug control via I²C; VCs = Virtual Channels; SSC = Spread Spectrum Clock Isolation.</p> <p>PCIe Gen3 devices are recommended for all new designs.</p> <img src="b4.png" width=1%> <h3 id="expresslane-switches-pcie-gen2">ExpressLane Switches (PCIe Gen2) </h3><table> <thead> <tr> <th>Part Number</th> <th>Lanes</th> <th>Ports</th> <th>Latency (ns)</th> <th>Multi-Root/ Multi-Host</th> <th>Multicast or Dual-cast</th> <th>Read Pacing</th> <th>ACS/ ARI*</th> <th>NT*</th> <th>DMA*</th> <th>HPC*</th> <th>VCs*</th> <th>SSC*</th> <th>Power Typ. (W)</th> <th>Temp. (°C)</th> <th>Package Size (mm²)</th> <th>Life Cycle</th> </tr> </thead> <tbody> <tr> <td>PEX8696</td> <td>96</td> <td>24</td> <td>176</td> <td>8</td> <td>MC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>4</td> <td>1</td> <td>—</td> <td>10.2</td> <td>-5 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8680</td> <td>80</td> <td>20</td> <td>176</td> <td>6</td> <td>MC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>4</td> <td>1</td> <td>—</td> <td>9.0</td> <td>-5 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8664</td> <td>64</td> <td>16</td> <td>176</td> <td>5</td> <td>MC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>4</td> <td>1</td> <td>—</td> <td>7.9</td> <td>-5 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8649</td> <td>48</td> <td>12</td> <td>176</td> <td>4</td> <td>MC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>6.7</td> <td>-5 +85</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8648</td> <td>48</td> <td>12</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>3.5</td> <td>-40 +85</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8636</td> <td>36</td> <td>24</td> <td>200</td> <td>8</td> <td>MC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>4</td> <td>1</td> <td>—</td> <td>8.1</td> <td>-5 +85</td> <td>35×35</td> <td>Active</td> </tr> <tr> <td>PEX8632</td> <td>32</td> <td>12</td> <td>145</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>2.9</td> <td>-40 +85</td> <td>27×27</td> <td>Active</td> </tr> <tr> <td>PEX8624</td> <td>24</td> <td>6</td> <td>145</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>3</td> <td>1</td> <td>—</td> <td>2.6</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8619</td> <td>16</td> <td>16</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>4</td> <td>^^</td> <td>2</td> <td>1</td> <td>2.0</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8618</td> <td>16</td> <td>16</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.9</td> <td>-10 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8617</td> <td>16</td> <td>4</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.9</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8615</td> <td>12</td> <td>12</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>4</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.8</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8614</td> <td>12</td> <td>12</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.7</td> <td>-10 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8613</td> <td>12</td> <td>3</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.7</td> <td>-40 +85</td> <td>19×19</td> <td>Active</td> </tr> <tr> <td>PEX8609</td> <td>8</td> <td>8</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>4</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.6</td> <td>-40 +85</td> <td>15×15</td> <td>Active</td> </tr> <tr> <td>PEX8608</td> <td>8</td> <td>8</td> <td>140</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.4</td> <td>-10 +85</td> <td>15×15</td> <td>Active</td> </tr> <tr> <td>PEX8606</td> <td>6</td> <td>6</td> <td>190</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.3</td> <td>-40 +85</td> <td>15×15</td> <td>Active</td> </tr> <tr> <td>PEX8604</td> <td>4</td> <td>4</td> <td>190</td> <td>—</td> <td>DC</td> <td>Yes</td> <td>Yes</td> <td>1</td> <td>—</td> <td>^^</td> <td>2</td> <td>1</td> <td>1.3</td> <td>-40 +85</td> <td>15×15</td> <td>Active</td> </tr> </tbody> </table> <p>* Acronym Guide: ACS = Access Control Service; ARI = Alternative Routing-ID Interpretation; NT = Non-Transparency; DMA = Direct Memory Access channels; HPC = Hot-Plug Controllers; ^^ = Hot-Plug control via I²C; VCs = Virtual Channels; SSC = Spread Spectrum Clock Isolation.</p> <p>PCIe Gen3 devices are recommended for all new designs.</p> <img src="b5.png" width=1%> <h3 id="pcie-bridges">PCIe Bridges </h3><table> <thead> <tr> <th>Part Number</th> <th>Lanes</th> <th>Bus Interface</th> <th>Reverse Mode</th> <th>Forward Mode</th> <th>Power</th> <th>PCI Masters</th> <th>GPIO</th> <th>Package Size (mm²)</th> <th>Life Cycle</th> </tr> </thead> <tbody> <tr> <td>PEX8114</td> <td>4</td> <td>PCIe to PCI-X</td> <td>✓</td> <td>✓</td> <td>2W</td> <td>4</td> <td>—</td> <td>17×17</td> <td>Active</td> </tr> </tbody> </table> <img src="b6.png" width=1%> <h2 id="asmedia">asmedia </h2><h3 id="pcie-gen-30">PCIe Gen 3.0 </h3><table> <thead> <tr> <th>型号</th> <th>Lane</th> <th>Port</th> <th>upstream</th> <th>downstream</th> </tr> </thead> <tbody> <tr> <td>ASM2824</td> <td>24 Lane</td> <td>12 Port</td> <td>1-, 2-, 4-, or 8-lane</td> <td>maximum 12 downstream ports</td> </tr> <tr> <td>ASM2812</td> <td>12 Lane</td> <td>6 Port</td> <td>1-, 2- lane</td> <td>maximum 6 downstream ports</td> </tr> <tr> <td>ASM2812</td> <td>6 Lane</td> <td>4 Port</td> <td>1-, 2- lane</td> <td>maximum 4 downstream ports</td> </tr> </tbody> </table> <p><a class="link" href="https://www.asmedia.com.tw/products-list/aDcYq0BxZfuH9Nz5" target="_blank" rel="noopener" >https://www.asmedia.com.tw/products-list/aDcYq0BxZfuH9Nz5</a></p> <h3 id="pcie-gen-20">PCIe Gen 2.0 </h3><table> <thead> <tr> <th>型号</th> <th>Lane</th> <th>Port</th> <th>upstream</th> <th>downstream</th> </tr> </thead> <tbody> <tr> <td>ASM1824</td> <td>24 Lane</td> <td>12 Port</td> <td>1-, 2-, 4-, or 8-lane</td> <td>maximum 12 downstream ports</td> </tr> <tr> <td>ASM1812</td> <td>12 Lane</td> <td>6 Port</td> <td>1-, 2- lane</td> <td>maximum 6 downstream ports</td> </tr> <tr> <td>ASM1812</td> <td>6 Lane</td> <td>4 Port</td> <td>1-, 2- lane</td> <td>maximum 4 downstream ports</td> </tr> </tbody> </table> <p><a class="link" href="https://www.asmedia.com.tw/products-list/aDcYq0BxZfuH9Nz5/b7FyQBCxz2URbzg0" target="_blank" rel="noopener" >https://www.asmedia.com.tw/products-list/aDcYq0BxZfuH9Nz5/b7FyQBCxz2URbzg0</a></p> <h2 id="diodes">diodes </h2><p>参考链接: <a class="link" href="https://www.diodes.com/products/connectivity/pcie-packet-switchbridges" target="_blank" rel="noopener" >https://www.diodes.com/products/connectivity/pcie-packet-switchbridges</a></p> <table> <thead> <tr> <th>Part Number</th> <th>PCI-SIG Spec.</th> <th>Compliance</th> <th># Ports</th> <th>Lanes</th> <th>Integrated Clock Buffer</th> <th>Power (typ. W)</th> <th>NTB/ CDEP*</th> <th>DMA</th> <th>Multi-cast*</th> <th>DPC</th> <th>Peer to Peer</th> <th>Thermal Sensor</th> <th>Package</th> <th>Latency (ns)</th> <th>ASPM L1.1 Substate</th> <th>Ambient Temperature (°C)</th> <th>Programmable TX/RX EQ</th> <th>ACS/ ATL/ LTR/ OBFF</th> </tr> </thead> <tbody> <tr> <td>PI7C9X3G606GPQ</td> <td>3.1</td> <td>Standard</td> <td>6</td> <td>6</td> <td>Yes</td> <td>2.5</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCCSP 144 10x10mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G606GPQJ</td> <td>3.1</td> <td>Automotive</td> <td>6</td> <td>6</td> <td>Yes</td> <td>2.5</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCCSP 144 10x10mm</td> <td>150</td> <td>Yes</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G808GP</td> <td>3.1</td> <td>Standard</td> <td>8</td> <td>8</td> <td>Yes</td> <td>2.9</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G808GPQ</td> <td>3.1</td> <td>Automotive</td> <td>8</td> <td>8</td> <td>Yes</td> <td>2.9</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G816GP</td> <td>3.1</td> <td>Standard</td> <td>8</td> <td>16</td> <td>Yes</td> <td>4.1</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 324 19x19mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G816GPQ</td> <td>3.1</td> <td>Automotive</td> <td>8</td> <td>16</td> <td>Yes</td> <td>4.1</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 324 19x19mm</td> <td>150</td> <td>Yes</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G1224GP</td> <td>3.1</td> <td>Standard</td> <td>12</td> <td>24</td> <td>Yes</td> <td>6.5</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 324 19x19mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G1632GP</td> <td>3.1</td> <td>Standard</td> <td>16</td> <td>32</td> <td>Yes</td> <td>6.5</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 676 27x27mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X3G1632GPQ</td> <td>3.1</td> <td>Automotive</td> <td>16</td> <td>32</td> <td>Yes</td> <td>6.5</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>FCBGA 676 27x27mm</td> <td>150</td> <td>Yes</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G303EL</td> <td>2.1</td> <td>Standard</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.7</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 132 8x8mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G304EL</td> <td>2.1</td> <td>Standard</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.65</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G304ELQ</td> <td>2.1</td> <td>Automotive</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.65</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G304EVQ</td> <td>2.1</td> <td>Automotive</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G304SL</td> <td>2.1</td> <td>Standard</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.7</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LQFP 128 14x14mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G304SLQ</td> <td>2.1</td> <td>Automotive</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.7</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LQFP 128 14x14mm</td> <td>150</td> <td>No</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G304SV</td> <td>2.1</td> <td>Standard</td> <td>3</td> <td>4</td> <td>Yes</td> <td>0.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LQFP 128 14x14mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G308GP</td> <td>2.1</td> <td>Standard</td> <td>3</td> <td>8</td> <td>Yes</td> <td>1.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G312GP</td> <td>2.1</td> <td>Standard</td> <td>3</td> <td>12</td> <td>Yes</td> <td>1.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404EL</td> <td>2.1</td> <td>Standard</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.65</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404ELQ</td> <td>2.1</td> <td>Automotive</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.65</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404EV</td> <td>2.1</td> <td>Standard</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404EVQ</td> <td>2.1</td> <td>Automotive</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>No</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404SL</td> <td>2.1</td> <td>Standard</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.75</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LQFP 128 14x14mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404SLQ</td> <td>2.1</td> <td>Automotive</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.75</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LQFP 128 14x14mm</td> <td>150</td> <td>No</td> <td>-40 to 105</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G404SV</td> <td>2.1</td> <td>Standard</td> <td>4</td> <td>4</td> <td>Yes</td> <td>0.3</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LQFP 128 14x14mm</td> <td>150</td> <td>No</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G606GP</td> <td>2.1</td> <td>Standard</td> <td>6</td> <td>6</td> <td>Yes</td> <td>0.6</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G608EL</td> <td>2.1</td> <td>Standard</td> <td>6</td> <td>8</td> <td>Yes</td> <td>1.2</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>aQFN 136 10x10mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G608GP</td> <td>2.1</td> <td>Standard</td> <td>6</td> <td>8</td> <td>Yes</td> <td>1.2</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G808GP</td> <td>2.1</td> <td>Standard</td> <td>8</td> <td>8</td> <td>Yes</td> <td>1.23</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G912GP</td> <td>2.1</td> <td>Standard</td> <td>9</td> <td>12</td> <td>Yes</td> <td>1.27</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>LBGA 196 15x15mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G1224GP</td> <td>2.1</td> <td>Standard</td> <td>12</td> <td>24</td> <td>Yes</td> <td>1.9</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>No</td> <td>HSBGA 324 19x19mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> <tr> <td>PI7C9X2G1616PR</td> <td>2.1</td> <td>Standard</td> <td>16</td> <td>16</td> <td>Yes</td> <td>1.27</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>Yes</td> <td>HSBGA 324 19x19mm</td> <td>150</td> <td>Yes</td> <td>-40 to 85</td> <td>Yes</td> <td>Yes</td> </tr> </tbody> </table> <img src="d1.png" width=1%>