{"id":7224,"date":"2022-04-22T14:56:01","date_gmt":"2022-04-22T21:56:01","guid":{"rendered":"https:\/\/www.xh86.me\/?p=7224"},"modified":"2022-04-22T14:56:01","modified_gmt":"2022-04-22T21:56:01","slug":"%e6%95%b0%e6%8d%ae%e4%b8%ad%e5%bf%83%e5%85%b1%e5%b0%81%e8%a3%85%e6%8a%80%e6%9c%af%e7%9a%84%e6%9c%ba%e9%81%87%e4%b8%8e%e6%8c%91%e6%88%98%e4%b8%80","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=7224","title":{"rendered":"\u6570\u636e\u4e2d\u5fc3\u5171\u5c01\u88c5\u6280\u672f\u7684\u673a\u9047\u4e0e\u6311\u6218(\u4e00)"},"content":{"rendered":"
\n

\u6458\u8981<\/span><\/strong><\/span><\/p>\n

\n

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\n

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\n

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\n<\/span><\/section>\n

\n

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\u00a0<\/span><\/section>\n

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<\/div><\/p>\n

\n

<\/div><\/p>\n

\u56fe1 \u4ea4\u6362\u673aASIC \u6f14\u8fdb<\/span><\/strong><\/p>\n

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\n

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\n

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\n

\u6bcf\u901a\u9053 100 Gb\/s serdes \u7684<\/span>\u80fd\u8017<\/span>\u975e\u5e38\u91cd\u8981<\/span><\/span><\/strong>\uff1a\u5728 51.2 Tb\/s \u65f6\uff0c\u6bcf\u589e\u52a0 1 pJ\/bit \u5c31\u4f1a\u4e3a\u82af\u7247\u589e\u52a0 51.2 W \u7684\u529f\u7387\u3002\u6700\u8fd1\u7684\u7814\u7a76\u663e\u793a\uff0c\u91c7\u752810 nm FinFET CMOS\u6280\u672f\u4e0b\uff0c\u00a0112 Gb\/s \u4f20\u8f93\u548c\u63a5\u6536\u7535\u8def\u80fd\u8017\u5206\u522b\u4e3a 2 pJ\/bit \u548c 4 pJ\/bit\uff0c\u8fd8\u4e0d\u5305\u62ec DSP\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6211\u4eec\u5047\u8bbe\u4e00\u5171\u81f3\u5c11\u4e3a6 pJ\/bit\uff0c\u90a3\u4e48Serdes \u529f\u8017\u5c06\u8d85\u8fc7 300 W\u3002Serdes \u5360\u82af\u7247\u529f\u8017\u7684\u5178\u578b\u6bd4\u4f8b\u4e3a 30%\uff0c\u6574\u4e2a ASIC \u53ef\u80fd\u4f1a\u8d85\u8fc7 1 kW\u3002<\/span><\/section>\n
<\/section>\n
\u5728\u4e0d\u4e45\u7684\u5c06\u6765\uff0c\u5355\u82af\u7247\u4ea4\u6362\u5bb9\u91cf\u7684\u8d8b\u52bf\u4f3c\u4e4e\u5c06\u7ee7\u7eed\u4fdd\u6301\uff0c\u4f46\u4e00\u4e9b\u5382\u5546\u5df2\u7ecf\u91c7\u7528\u4e86\u591a\u82af\u7247\u6280\u672f\uff0c\u8fd9\u4e5f\u53eb\u5c0f\u82af\u7247\u67b6\u6784\uff0c\u5176\u4e2d Serdes \u5728\u4e0e\u4ea4\u6362\u6838\u5fc3\u5728\u4e0d\u540c\u7684\u82af\u7247\u4e0a\u5b9e\u73b0\uff0c\u4ece\u800c\u80fd\u591f\u4f7f\u7528\u4e0d\u540c\u7684\u5de5\u827a\u6280\u672f\u8282\u70b9\u3002<\/span><\/section>\n
<\/section>\n
\u8d8551.2 Tb\/s \u7684\u53d1\u5c55\u662f\u5b58\u5728\u9ad8\u5ea6\u4e0d\u786e\u5b9a\u6027\u7684\uff0c\u5c06\u901a\u9053\u6570\u52a0\u500d\u4f1a\u7ee7\u7eed\u9047\u5230LGA\/BGA \u5c01\u88c5\u5c3a\u5bf8\u548c\u89e6\u70b9\/\u5f15\u811a\u95f4\u8ddd\u7684\u9650\u5236\uff1b200Gb\/s Serdes\u6280\u672f\u8fd8\u5728\u7ee7\u7eed\u7814\u7a76\u4e2d\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e100Tb\/s\u7684\u7814\u7a76\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u66f4\u591a\u7684\u65b9\u6848\u7814\u7a76\u3002<\/span><\/section>\n

\n

\u7b2c\u4e09\u90e8\u5206 \u6570\u636e\u4e2d\u5fc3\u5149\u5b66<\/span><\/strong><\/h2>\n

\u00a0<\/span><\/strong><\/p>\n

\u9762\u677f\u53ef\u63d2\u62d4 (FPP) \u6a21\u5757\u662f\u5f53\u524d\u6570\u636e\u4e2d\u5fc3\u4e3b\u8981\u90e8\u7f72\u7684\u3002\u672c\u8282\u8ba8\u8bba\u5b83\u7684\u4f18\u52bf\u4ee5\u53ca\u76f8\u5173\u5149\u3001\u7535\u548c\u7ba1\u7406\u63a5\u53e3\u7b49\u5728\u672a\u6765\u53d1\u5c55\u4e0a\u5b58\u5728\u7684\u7684\u969c\u788d\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

3.1 FPP\u4f18\u52bf<\/span><\/strong><\/h3>\n

\u00a0<\/span><\/strong><\/p>\n

\u9762\u677f\u53ef\u63d2\u62d4\uff08FPP\uff09\u5149\u6a21\u5757\u7684\u6d41\u884c\u4e3b\u8981\u662f\u7531\u4e8e\u4ee5\u4e0b\u4f18\u70b9\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u9996\u5148\uff0c<\/span>FPP \u5c06\u7535\u63a5\u53e3\u548c\u5149\u63a5\u53e3\u89e3\u8026<\/span><\/strong>\uff0c\u5c06\u5149\u63a5\u53e3\u7684\u9009\u62e9\u4ece\u4ea4\u6362\u673a\u7ec4\u88c5\u65f6\u63a8\u8fdf\u5230\u90e8\u7f72\u65f6\u3002\u8fd9\u4f7f\u5f97\u5728\u5c06\u5149\u5b66\u7c7b\u578b\u4e0e\u5b9e\u9645\u7528\u4f8b\u76f8\u5339\u914d\u6216\u6062\u590d\u5230\u4f4e\u6210\u672c DAC \u4ee5\u7528\u4e8e\u77ed\u8ddd\u79bb\uff08\u673a\u67b6\u5185\uff09\u94fe\u8def\u65b9\u9762\u5177\u6709\u5f88\u5927\u7684\u7075\u6d3b\u6027\u3002\u53ef\u63d2\u62d4\u8bbe\u5907\u8fd8\u652f\u6301\u589e\u91cf\u90e8\u7f72\uff08\u201c\u6309\u9700\u4ed8\u8d39\u201d\uff09\uff0c\u5176\u4e2d\u4e00\u90e8\u5206\u7aef\u53e3\u6700\u521d\u4fdd\u6301\u7a7a\u7f6e\uff0c\u5e76\u6839\u636e\u9700\u8981\u8d2d\u4e70\u548c\u5b89\u88c5\u989d\u5916\u7684\u5149\u5b66\u5668\u4ef6\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u6b64\u5916\uff0c\u7531\u4e8e\u53ef\u4ee5\u4ece\u524d\u9762\u677f\u5904\u7406\u6a21\u5757\uff0c\u56e0\u6b64\u53ef\u4ee5\u76f8\u5bf9\u8f7b\u677e\u5730\u8fdb\u884c<\/span>\u73b0\u573a\u7ef4\u4fee\u548c\u5347\u7ea7<\/span><\/strong>\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u6700\u540e\uff0c<\/span>MSA\u5b9e\u73b0\u4e86\u4e92\u64cd\u4f5c\u6027<\/span><\/strong>\uff0c\u5e76\u4e3a\u6bcf\u79cd\u7c7b\u578b\u7684\u6a21\u5757\u521b\u5efa\u4e86\u4e00\u4e2a\u62e5\u6709\u4f17\u591a\u4f9b\u5e94\u5546\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u907f\u514d\u4e86\u5355\u6e90\u4f9d\u8d56\uff0c\u5e76\u901a\u8fc7\u89c4\u6a21\u7ecf\u6d4e\u964d\u4f4e\u4e86\u6210\u672c\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u4e00\u4e2a\u76f8\u5173\u7684\u90e8\u7f72\u6a21\u578b\u662f\u91c7\u7528\u6709\u6e90\u5149\u7f06(AOC)\uff0c\u5b83\u672c\u8d28\u4e0a\u662f\u4e24\u4e2a\uff08\u6216\u591a\u4e2a\uff09\u53ef\u63d2\u62d4\u6a21\u5757\u53ca\u5176\u4e92\u8fde\u5149\u7f06\u7684\u9884\u5236\u7ec4\u4ef6\u3002\u8fd9\u4e9b\u7ecf\u5e38\u51fa\u73b0\u7a81\u7834\u4e00\u7aef\u5177\u6709\u5355\u4e2a\u6a21\u5757\u7684\u914d\u7f6e\uff0c\u8be5\u6a21\u5757\u5206\u4e3a\u591a\u6761\u5149\u7ea4\uff0c\u6bcf\u6761\u5149\u7ea4\u5728\u53e6\u4e00\u7aef\u90fd\u6709\u4e00\u4e2a\u5355\u72ec\u7684\u6a21\u5757\u3002\u4f8b\u5982\uff0c\u4e00\u6839\u7535\u7f06\u4ece\u4e00\u4e2a 100 Gb\/s \u6a21\u5757\u5206\u51fa\u5230\u53e6\u4e00\u4fa7\u7684\u56db\u4e2a\u5355\u72ec\u7684 25 Gb\/s \u6a21\u5757\uff0c\u4f8b\u5982\u5141\u8bb8\u56db\u53f0\u670d\u52a1\u5668\u8fde\u63a5\u5230\u5355\u4e2a\u4ea4\u6362\u673a\u7aef\u53e3\u3002\u8fd9\u4f1a\u589e\u52a0\u4ea4\u6362\u673a\u6247\u51fa\u6570\u5e76\u6d88\u9664\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u5b89\u88c5\uff0c\u4f46\u4f1a\u7ec4\u7ec7\u91cd\u590d\u4f7f\u7528\u5df2\u5b89\u88c5\u7684\u5149\u7ea4\u3002\u5bf9\u4e8e\u5149\u6a21\u5757\u4f9b\u5e94\u5546\u800c\u8a00\uff0cAOC \u6d88\u9664\u4e86\u5149\u5b66\u65b9\u9762\u7684\u4e92\u64cd\u4f5c\u6027\u95ee\u9898\uff0c\u56e0\u6b64\u4ed6\u4eec\u53ef\u4ee5\u9009\u62e9\u5177\u6709\u5bbd\u677e\u64cd\u4f5c\u6761\u4ef6\u7684\u4e13\u6709\u3001\u6210\u672c\u4f18\u5316\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5728 InfiniBand \u7b49\u9ad8\u6027\u80fd\u8ba1\u7b97\u7f51\u7edc\u4e2d\uff0cAOC \u5360\u4e3b\u5bfc\u5730\u4f4d\u3002\u7531\u4e8e\u6240\u9700\u7684\u8303\u56f4\u901a\u5e38\u4e0d\u8d85\u8fc7 100m\uff0c\u56e0\u6b64\u5b83\u4eec\u53ef\u4ee5\u57fa\u4e8e\u591a\u6a21\u5149\u5b66\u5668\u4ef6\u8fdb\u884c\u8bbe\u8ba1\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

3.2 \u5149\u63a5\u53e3<\/strong><\/span><\/h3>\n

\u00a0<\/strong><\/span><\/p>\n

\u7269\u7406\u4ecb\u8d28(PMD) \u5c42\u7684\u5149\u63a5\u53e3\u7531 IEEE 802.3 \u4ee5\u592a\u7f51\u6807\u51c6\u5b9a\u4e49\u3002\u7136\u800c\uff0c\u7279\u522b\u662f\u5bf9\u4e8e 100G \u4ee5\u592a\u7f51\u4e00\u4ee3\uff0cIEEE \u6807\u51c6\u5316\u8fc7\u7a0b\u4e2d\u7f3a\u4e4f\u5171\u8bc6\u5bfc\u81f4\u51fa\u73b0\u4e86\u51e0\u4e2a\u591a\u6e90\u534f\u8bae(MSA)\uff0c\u5305\u62ec PSM4\u3001CWDM4\uff08\u548c CWDM4-OCP\uff09\u548c CLR4\u3002\u5bf9\u4e8e 400G\u8fd9\u4e00\u4ee3\uff0c\u4e5f\u5df2\u7ecf\u5f62\u6210\u4e86\u51e0\u4e2a MSA\u6807\u51c6\uff0c\u5305\u62ec CWDM8\u3001100GLambda \u548c 400G-BiDi\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u88682\u5217\u51fa\u4e86\u6240\u6709\u76f4\u63a5\u68c0\u6d4b\u5149\u5b66 400G PMD\u3002\u5149\u5b66\u4ecb\u8d28\u9009\u9879\u5305\u62ec\u5e76\u884c\u591a\u6a21\u5149\u7ea4 (MMF)\u3001\u5e76\u884c\u5355\u6a21\u5149\u7ea4 (SMF) \u548c\u5e26\u6ce2\u5206\u590d\u7528 (WDM) \u7684\u53cc\u5de5\u5355\u6a21\u5149\u7ea4\u3002<\/span><\/section>\n
\u8868 2\u00a0<\/span>400 GBASE \u5149\u63a5\u53e3\u7c7b\u578b<\/span><\/strong>
<\/div><\/section>\n
<\/section>\n
\u5c3d\u7ba1\u8be5\u8868\u4ec5\u663e\u793a\u4e86 400G PMD\uff0c\u4f46\u4e5f\u5b9a\u4e49\u4e86\u8bb8\u591a\u4f7f\u7528\u76f8\u540c\u901a\u9053\u901f\u7387\u4f46\u901a\u9053\u66f4\u5c11 PMD\uff0c\u4f8b\u5982 200GBASE-DR4 (4\u00d750 Gbps) \u6216 100GBASE-DR1 (1\u00d7100 Gbps) \u5230\u652f\u6301\u5728\u5355\u4e2a 400G \u6a21\u5757\u4e2d\u5bb9\u7eb34\u4e2a100GBASE-DR1 \u7aef\u53e3\u7684\u7a81\u7834\u6027\u5e94\u7528\u3002
\n<\/span><\/section>\n
<\/section>\n
\u7531\u4e8e\u5176\u6210\u672c\u4f18\u52bf\uff0c\u57fa\u4e8e MMF \u7684\u94fe\u8def\u5bf9\u4e8e\u4ece\u67b6\u9876\u00a0(TOR) \u4ea4\u6362\u673a\u5230\u53f6\u4ea4\u6362\u673a\u7684\u4e0a\u884c\u94fe\u8def\u5f88\u6709\u5438\u5f15\u529b\uff0c\u4f46\u5176\u6709\u9650\u7684\u8303\u56f4\u4f7f\u5176\u4e0d\u9002\u5408\u53f6\u810a\u67b6\u6784\u8fde\u63a5\u3002400G \u6570\u636e\u4e2d\u5fc3\u5185\u8fde\u63a5\u7684\u91cd\u70b9 PMD \u662f DR4 \u548c FR4\u3002\u5149\u63a5\u53e3\u5728\u7535\u63a5\u53e3\u4e4b\u524d\u5c31\u5df2\u7ecf\u8fc7\u6e21\u5230\u6bcf\u901a\u9053 100 Gb\/s\uff0c\u76f8\u5bf9\u4e8e\u516b\u901a\u9053\u5149\u63a5\u53e3\uff08\u4f8b\u5982 FR8\uff09\uff0cPMD \u7684\u590d\u6742\u6027\u51cf\u534a\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
400GBASE-DR4 \u4f7f\u7528\u56db\u5bf9\u5e73\u884c\u5149\u7ea4\uff0c\u5728\u957f\u8fbe 500 m \u7684\u8303\u56f4\u5185\u66f4\u5177\u6210\u672c\u6548\u76ca\uff0c\u5e76\u63d0\u4f9b\u5c06\u94fe\u8def\u5206\u6210\u56db\u4e2a 100GBASE-DR1 \u7684\u9009\u9879\u3002DR4 \u975e\u5e38\u9002\u5408 TOR \u5230\u53f6\u7684\u8fde\u63a5\u4ee5\u53ca\u5177\u6709\u7a81\u7834\u7684\u9ad8\u57fa\u6570\u53f6\u810a\u8fde\u63a5\u3002\u53e6\u4e00\u65b9\u9762\uff0c400GBASE-FR4 \u5229\u7528\u7c97\u6ce2\u5206\u590d\u7528 (CWDM) \u5c06\u5149\u7ea4\u6570\u91cf\u964d\u81f3\u6700\u4f4e\uff0c\u4ee3\u4ef7\u662f\u9700\u8981\u56db\u4e2a\u4e0d\u540c\u7684\u6fc0\u5149\u5668\u548c\u6ce2\u957f\uff08\u89e3\uff09\u590d\u7528\u5668\u3002FR4 \u901a\u5e38\u6700\u9002\u5408\u53f6-\u810a\u690e\u548c\u810a\u690e-\u6838\u5fc3\u8fde\u63a5\u3002<\/span><\/section>\n

\u00a0<\/span><\/p>\n

\u8ddd\u79bb\u8d85\u8fc7 2 \u516c\u91cc\u7684\u6570\u636e\u4e2d\u5fc3\u4e4b\u95f4\u7684\u8fde\u63a5\u9700\u8981\u5177\u6709\u66f4\u5bc6\u96c6\u4fe1\u9053\u95f4\u9694 (LAN-WDM) \u7684\u66f4\u957f\u8ddd\u79bb\u76f4\u63a5\u68c0\u6d4b\u94fe\u8def\uff0c\u4f8b\u5982 LR \u548c ER\uff0c\u4ee5\u53ca\u76f8\u5e72\u94fe\u8def\uff08ZR\uff0c\u672a\u5728\u8868\u4e2d\u663e\u793a\uff09\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u4e0b\u4e00\u4ee3\u4ee5\u592a\u7f51\u5f88\u53ef\u80fd\u4f1a\u6807\u51c6\u5316 800G MAC \u548c 800G \u00a0PMD\u3002\u4ee5\u592a\u7f51\u6280\u672f\u8054\u76df\u5df2\u7ecf\u63d0\u51fa\u4e86\u4e00\u4e2a\u9884\u6807\u51c6\u7684 800G \u4ee5\u592a\u7f51 PCS\/MAC \u65b9\u6848\uff0c\u4f46\u4ecd\u9700\u8981\u51e0\u5e74\u65f6\u95f4\u624d\u80fd\u8fbe\u6210\u4e00\u4e2a\u7a33\u5b9a\u7684\u6807\u51c6\u8349\u6848\uff0c\u5305\u62ec800G PMD\u3002\u4f46\u662f\uff0c800G \u5149\u6a21\u5757\u5c06\u5f88\u5feb\u4ee5 2\u00d7400G\u30014\u00d7200G \u6216 8\u00d7100G \u914d\u7f6e\u7684\u5f62\u5f0f\u51fa\u73b0\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u7b2c\u4e00\u4ee3 800G PMD \u53ef\u80fd\u57fa\u4e8e\u5177\u6709\u5e76\u884c\u548c\u53cc\u5de5 SMF \u53d8\u4f53\u7684\u516b\u4e2a\u7535\u901a\u9053\u548c\u516b\u4e2a\u5149\u901a\u9053\uff0c\u5373 800GBASE-DR8 \u548c -FR8\u3002\u57fa\u4e8e WDM \u7684\u7248\u672c\u5c06\u9700\u8981\u6bd4 20 nm (CWDM) \u66f4\u5bc6\u96c6\u7684\u4fe1\u9053\u95f4\u9694\uff0c\u4f8b\u5982\u4f7f\u7528 LAN-WDM \u76ee\u524d\u5728 400GBASE-FR8 \u548c -LR8 \u4e2d\u4f7f\u7528\u3002\u6211\u4eec\u4ecd\u7136\u53ef\u80fd\u4f1a\u770b\u5230\u57fa\u4e8e MMF \u7684 PMD\uff0c\u5c3d\u7ba1\u5b83\u4eec\u7684\u8986\u76d6\u8303\u56f4\u53ef\u80fd\u226450 m\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u5b83\u4eec\u7684\u6548\u7528\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u7b2c\u4e8c\u4ee3 800G PMD \u5c06\u57fa\u4e8e\u6bcf\u901a\u9053 200 Gb\/s \u7684\u5149\u8c03\u5236\u3002\u76ee\u524d\u6b63\u5728\u7814\u7a76\u5b9e\u73b0\u7684\u6280\u672f\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u9ad8\u9636\u8c03\u5236\u683c\u5f0f\uff0c\u5982 PAM-6 \u00a0\u548c PAM-8\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

3.3 \u7535\u6c14\u63a5\u53e3<\/strong><\/span><\/h3>\n

\u00a0<\/span><\/p>\n

\u7535\u63a5\u53e3\u901a\u5e38\u57fa\u4e8e\u5149\u4e92\u8fde\u8bba\u575b (OIF) \u5b9a\u4e49\u7684\u901a\u7528\u7535\u63a5\u53e3 (CEI) \u5b9e\u65bd\u534f\u8bae\uff0c\u8be5\u534f\u8bae\u6784\u6210\u4e86 IEEE 802.3 \u6807\u51c6\uff08\u4f8b\u5982 CAUI \u548c 400GAUI\uff08\u4ee5\u524d\u79f0\u4e3a CDAUI\uff09\uff09\u7684\u57fa\u7840\u3002\u7531\u4e8e\u9884\u8ba1 CPO \u7684\u5e02\u573a\u51c6\u5165\u5c06\u4e0e\u5177\u6709 112G \u7535\u6c14 serdes \u7684\u4ea4\u6362\u673a ASIC \u4fdd\u6301\u4e00\u81f4\uff0c\u6211\u4eec\u5c06\u7b80\u8981\u56de\u987e\u4e94\u79cd\u4e0d\u540c\u7684\u7535\u6c14 OIF-CEI-112G I\/O \u53d8\u4f53\uff0c\u5982\u88683\u6240\u793a\u00a0\uff08\u4ece\u5de6\u5230\u53f3\u6309\u9012\u51cf\u987a\u5e8f\u6392\u5217\uff09\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

<\/div>\u8868 3.\u00a0\u5149\u4e92\u8054\u8bba\u575b\u5b9a\u4e49\u7684 OIF-CEI-112G \u94fe\u8def\u7c7b\u578b<\/span><\/strong><\/p>\n

IL = \u63d2\u5165\u635f\u8017\uff0cDAC = \u76f4\u63a5\u8fde\u63a5\u94dc\u7f06\uff0cC2C = \u80cc\u677f\u82af\u7247\u5230\u82af\u7247\uff0cC2M = \u82af\u7247\u5230\u6a21\u5757\uff0cC2OE = \u82af\u7247\u5230\u5149\u5b66\u5f15\u64ce\uff0cD2D = \u82af\u7247\u5230\u82af\u7247<\/span><\/p>\n

\n

LR serdes \u4f7f\u94dcDAC \u7535\u7f06\u6210\u4e3a\u670d\u52a1\u5668\u8fde\u63a5\u7684\u6700\u4f4e\u6210\u672c\u9009\u9879\u3002\u53ea\u8981\u94dc\u4ecd\u7136\u662f\u673a\u67b6\u5185\u8fde\u63a5\u7684\u53ef\u884c\u9009\u62e9\uff0c\u5c31\u9700\u8981\u8fd9\u79cd\u7c7b\u578b\u7684 Serdes\u3002\u5728 112 G \u65f6\uff0c\u5c06\u53d8\u5f97\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a 2 m \u7684\u76ee\u6807\u8303\u56f4\u4e0d\u518d\u8db3\u4ee5\u8986\u76d6\u67d0\u4e9b\u5e38\u89c1\u7528\u4f8b\u3002\u6b64\u8303\u56f4\u9650\u5236\u5bf9\u673a\u67b6\u5185\u7684\u8bbe\u5907\u653e\u7f6e\u65bd\u52a0\u4e86\u9650\u5236\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u7535\u7f06\u8de8\u5ea6\uff0c\u4f8b\u5982\u5c06\u67b6\u9876\u5f0f\u4ea4\u6362\u673a\u79fb\u81f3\u673a\u67b6\u4e2d\u95f4\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
MR \u65e8\u5728\u901a\u8fc7\u4e00\u4e2a\u8fde\u63a5\u5668\u5728\u80cc\u677f\u4e0a\u5b9e\u73b0\u82af\u7247\u5230\u82af\u7247\u7684\u8fde\u63a5\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u94fe\u8def\u89e3\u51b3\u4e86\u7528\u4f8b\uff0c\u4f8b\u5982\u5728\u673a\u7bb1\u4ea4\u6362\u673a\u4e2d\u8fde\u63a5\u7ebf\u5361\u548c\u5149\u7ea4\u5361\uff08\u6216\u810a\u548c\u53f6\u5361\uff09\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
VSR \u4e3b\u8981\u7528\u4e8e\u82af\u7247\u5230\u6a21\u5757\u7684\u8fde\u63a5\uff0c\u660e\u786e\u5bfb\u5740\u4ea4\u6362\u673a ASIC \u548c\u9762\u677f\u5b89\u88c5\u7684\u53ef\u63d2\u62d4\u6a21\u5757\u4e4b\u95f4\u7684\u901a\u9053\u3002\u67d0\u4e9b\u7aef\u53e3\u5b50\u96c6\u53ef\u80fd\u9700\u8981\u91cd\u5b9a\u65f6\u5668\uff0c\u5c24\u5176\u662f\u90a3\u4e9b\u4f4d\u4e8e\u9762\u677f\u8fb9\u7f18\u7684\u7aef\u53e3\u3002\u53ea\u8981\u5fc5\u987b\u652f\u6301\u53ef\u63d2\u62d4\u5149\u5b66\u5668\u4ef6\uff0c\u4ea4\u6362\u673a ASIC \u5c31\u9700\u8981\u63d0\u4f9b\u81f3\u5c11\u5177\u6709 VSR \u8303\u56f4\u7684 Serdes\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
XSR \u662f Facebook \u548c Microsoft \u53d1\u5e03\u7684 CPO \u534f\u4f5c\u6587\u6863\u4e2d\u660e\u786e\u8c03\u7528\u7684\u63a5\u53e3\u3002\u5176\u4e3b\u8981\u7528\u4f8b\u662f\u5728\u6700\u5927\u7ea6 100 mm \u00d7 100 mm \u7684\u5c01\u88c5\u57fa\u677f\u4e0a\u5b9e\u73b0\u82af\u7247\u5230\u5149\u5b66\u5f15\u64ce\u7684\u8fde\u63a5\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
USR \u65e8\u5728\u4f5c\u4e3a 2.5\/3D \u5c01\u88c5\u89e3\u51b3\u65b9\u6848\u7684\u82af\u7247\u5230\u82af\u7247\u63a5\u53e3\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u66f4\u5bbd\u7684\u63a5\u53e3\u6765\u5b9e\u73b0\uff0c\u4f8b\u5982 CNRZ-5\u3001\u9ad8\u7ea7\u63a5\u53e3\u603b\u7ebf\u6216\u7ebf\u675f\u3002USR \u4e0d\u9002\u7528\u4e8e\u6700\u521d\u7684 CPO \u751f\u6210\uff0c\u4f46\u53ef\u80fd\u9002\u7528\u4e8e\u672a\u6765\u57fa\u4e8e\u5c0f\u82af\u7247\u7684\u4ea4\u6362\u673a\u5b9e\u73b0\uff0c\u8fd9\u4e9b\u4ea4\u6362\u673a\u5c06\u4ea4\u6362\u673a\u5185\u6838\u548c serdes \u5206\u5e03\u5728\u540c\u4e00\u5c01\u88c5\u4e2d\u7684\u591a\u4e2a\u82af\u7247\u4e0a\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

3.4 \u7ba1\u7406\u754c\u9762<\/strong><\/span><\/h3>\n

\u00a0<\/strong><\/span><\/p>\n

\u5149\u94fe\u8def\u9700\u8981\u63d0\u4f9b\u7528\u4e8e\u63a7\u5236\u548c\u7ba1\u7406\u76ee\u7684\u7684\u4f4e\u901f\u7535\u63a5\u53e3\uff0c\u4ee5\u63d0\u4f9b\u914d\u7f6e\u548c\u76d1\u63a7\u7b49\u529f\u80fd\u3002\u8fd9\u901a\u5e38\u662f\u901a\u8fc7\u6a21\u5757\u5185\u90e8\u7684\u5d4c\u5165\u5f0f\u5fae\u63a7\u5236\u5668\u5b9e\u73b0\u7684\uff0c\u8be5\u5fae\u63a7\u5236\u5668\u63d0\u4f9b\u4e24\u7ebf\u63a5\u53e3\uff0c\u4f8b\u5982\u4e32\u884c\u5916\u8bbe\u63a5\u53e3 (SPI) \u6216\u5185\u90e8\u96c6\u6210\u7535\u8def (I2C)\u3002QSFP \u6a21\u5757\u7684\u7ba1\u7406\u534f\u8bae\u5728 SFF-8636 \u4e2d\u5b9a\u4e49\uff0c\u800c QSFP-DD \u548c OSFP \u91c7\u7528\u4e86\u66f4\u65b0\u7684\u901a\u7528\u7ba1\u7406\u63a5\u53e3\u89c4\u8303 (CMIS) \u3002\u4e3a\u4e86\u517c\u5bb9\u6027\uff0cCPO \u5f15\u64ce\u5e94\u9075\u5b88\u76f8\u540c\u7684\u6807\u51c6\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

3.5 \u5916\u5f62<\/strong><\/span><\/h3>\n

\u00a0<\/strong><\/span><\/p>\n

\u73b0\u5728\u662f\u5b58\u50a8\u7f51\u7edc\u884c\u4e1a\u534f\u4f1a (SNIA) \u7684SFF\u59d4\u5458\u4f1a\u76d1\u7763\u4e86\u53ef\u63d2\u62d4\u5149\u5b66\u5668\u4ef6\u7684 MSA \u5916\u5f62\u89c4\u683c\u7684\u5b9a\u4e49\uff0c\u6700\u663e\u7740\u7684\u662f\u591a\u4ee3\u5c0f\u578b\u53ef\u63d2\u62d4 (SFP) \u6a21\u5757\u548c Quad SFP (QSFP) \uff0c\u5b83\u5c06 SFP \u4ece\u4e00\u4e2a\u901a\u9053\u6269\u5c55\u5230\u56db\u4e2a\u901a\u9053\u3002QSFP+ \u548c QSFP28 \u5206\u522b\u662f 40 \u548c 100 Gb\/s \u6a21\u5757\u7684\u4e3b\u8981\u5916\u5f62\u5c3a\u5bf8\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u5411 400G \u6a21\u5757\u7684\u8fc7\u6e21\u9700\u8981\u5c06\u901a\u9053\u6570\u589e\u52a0\u4e00\u500d\u3002\u4e3a\u4e86\u6ee1\u8db3\u8fd9\u4e00\u8981\u6c42\uff0c\u51fa\u73b0\u4e86\u4e24\u79cd\u76f8\u4e92\u7ade\u4e89\u7684 MSA\uff0cQSFP-DD\uff08\u53cc\u5bc6\u5ea6\uff09\u548c OSFP\uff08\u516b\u8fdb\u5236\uff09\u3002QSFP-DD \u7a0d\u5c0f\uff0c\u5e76\u63d0\u4f9b\u4e0e QSFP28 \u7684\u5411\u540e\u517c\u5bb9\u6027\uff0c\u800c OSFP \u63d0\u4f9b\u66f4\u597d\u7684\u96c6\u6210\u70ed\u89e3\u51b3\u65b9\u6848\u548c\u66f4\u597d\u7684\u7535\u4fe1\u53f7\u5b8c\u6574\u6027\uff0c\u4f46\u4e0d\u5411\u540e\u517c\u5bb9\uff08\u5c3d\u7ba1 QSFP \u9002\u914d\u5668\u53ef\u7528\uff09\u3002QSFP-DD \u901a\u8fc7\u5f15\u5165\u7b2c\u4e8c\u6392\u89e6\u70b9\u6765\u4fdd\u6301\u4e0e QSFP \u7684\u5411\u540e\u517c\u5bb9\u6027\uff0c\u4ee3\u4ef7\u662f\u5411\u7535\u901a\u9053\u6dfb\u52a0\u5c42\u548c\u8fc7\u5b54\u3002\u53e6\u4e00\u65b9\u9762\uff0cOSFP \u5728\u8fde\u63a5\u5668\u7684\u6bcf\u4e00\u4fa7\u90fd\u6709\u66f4\u591a\u7684\u89e6\u70b9\u4ee5\u5bb9\u7eb3\u989d\u5916\u7684\u901a\u9053\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u4e24\u79cd\u516b\u901a\u9053\u5c01\u88c5\u7684\u529f\u8017\u5df2\u7ecf\u8fbe\u523020 W\uff0c\u5176\u4e2d OSFP \u6bd4 QSFP-DD \u66f4\u5177\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u7684\u5916\u58f3\u548c\u96c6\u6210\u6563\u70ed\u5668\u7a0d\u5927\u3002\u4e00\u4e2a 1RU \u9762\u677f\u53ef\u4ee5\u5bb9\u7eb3 32 \u5230 36 \u4e2a QSFP\/OSFP \u6a21\u5757\uff0c\u4f7f\u7528\u5f53\u524d\u7684 400G \u6a21\u5757\u5b9e\u73b0\u6bcf\u4e2a RU \u9ad8\u8fbe 14.4 Tb\/s\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n
\u5bf9\u4e8e 800G \u6a21\u5757\u4e00\u4ee3\uff0c\u5347\u7ea7\u540e\u7684 QSFP-DD800 \u89c4\u8303\u5df2\u7ecf\u53d1\u5e03\uff0c\u9884\u8ba1 OSFP \u4e5f\u4f1a\u8fd9\u6837\u505a\u3002\u6b64\u5916\uff0c800G \u53ef\u63d2\u62d4 MSA \u8054\u76df\u4e5f\u5728\u4e3a 800G \u5149\u5b66\u5668\u4ef6\u5236\u5b9a\u89c4\u8303\u3002<\/span><\/section>\n
\u00a0<\/span><\/section>\n

3.6 Gearbox<\/strong><\/span><\/h3>\n

\n

\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5149\u548c\u7535\u4fe1\u53f7\u901f\u7387\u548c\u8c03\u5236\u683c\u5f0f\u5c06\u59cb\u7ec8\u4fdd\u6301\u4e00\u81f4\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u901f\u7387\u6216\u8c03\u5236\u683c\u5f0f\u8f6c\u6362\uff08\u201cGearbox\u201d\uff09\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u4ea4\u6362\u673a ASIC \u548c\u5149\u5b66\u8def\u7ebf\u56fe\u53d1\u5c55\u5e76\u4e0d\u603b\u662f\u540c\u65f6\u53d1\u751f\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u8f6c\u6362\u3002\u65b0\u5174\u7684 400G \u6a21\u5757\u5c31\u662f\u4e00\u4e2a\u4f8b\u8bc1\uff1a\u7535\u63a5\u53e3\u5305\u542b 8 \u4e2a\u901a\u9053\uff0c25 GBd PAM4\uff0c\u4f46\u4e3b\u8981\u7684\u5149 PMD \u5df2\u7ecf\u662f 50 GBd PAM4 \u7684\u56db\u4e2a\u901a\u9053\uff0c\u4ee5\u907f\u514d\u66f4\u6602\u8d35\u7684\u516b\u901a\u9053\u5149 PMD\u3002\u8fd9\u610f\u5473\u7740\u6bcf\u6ce2\u957f 100G \u7684\u5149 PMD \u9700\u8981\u6a21\u5757\u5185\u90e8\u7684 2:1 Gearbox\u6765\u5728\u5149\u548c\u7535\u901a\u9053\u901f\u7387\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u3002\u6bcf\u901a\u9053 100G \u7535 Serdes \u7684\u4ea4\u6362\u673a ASIC \u4e00\u51fa\u73b0\uff0c100G \u7535\u6c14\u901a\u9053\u7684\u6a21\u5757\u5c31\u4f1a\u968f\u4e4b\u800c\u6765\uff0c\u4f8b\u5982 400G QSFP112\uff0c\u76f8\u53cd\u662f\u5229\u7528\u73b0\u6709\u7684\u3001\u6210\u719f\u7684\u3001\u5927\u5bb9\u91cf\u7684\u5149\u5b66\u5668\u4ef6\u548c\u65b0\u4e00\u4ee3\u7684\u4ea4\u6362\u82af\u7247\u3002\u4e00\u4e2a\u7a81\u51fa\u7684\u4f8b\u5b50\u662f Facebook \u7684 Minipack \u67b6\u6784\uff0c\u5b83\u7ed3\u5408\u4e86 25 GBd PAM4 \u4ea4\u6362\u673a Serdes \u548c 25 GBd NRZ \u5149\u5b66\u5668\u4ef6\u3002Gearbox\u82af\u7247\u5c06\u6bcf\u5bf9\u4ea4\u6362\u901a\u9053\u8f6c\u6362\u4e3a\u56db\u4e2a\u6a21\u5757\u901a\u9053\uff0c\u4ece\u800c\u80fd\u591f\u4f7f\u7528\u4f20\u7edf\u7684 100G-CWDM4-OCP QSFP28 \u5149\u5b66\u5668\u4ef6\u3002Minipack \u7684\u6a21\u5757\u5316\u7279\u6027\u652f\u6301\u672a\u6765\u5347\u7ea7\u5230 400G QSFP-DD \u5149\u5b66\u5668\u4ef6\u3002<\/span><\/section>\n

 <\/p>\n

\u672a\u5b8c\u5f85\u7eed……<\/span><\/strong><\/span><\/p>\n

<\/h2>\n

\u00a0<\/span><\/strong><\/h2>\n

4 \u6570\u636e\u4e2d\u5fc3\u5149\u5b66\uff1a\u6311\u6218<\/span><\/strong><\/h2>\n

4.1 \u8d85\u8d8a800G<\/strong><\/span><\/h3>\n

4.2 \u6210\u672c
\n<\/strong><\/span><\/p>\n

<\/h3>\n

4.3 \u5bc6\u5ea6<\/strong><\/span><\/p>\n

<\/h3>\n

5 \u79fb\u52a8\u5149\u5b66\u5185\u90e8<\/span><\/strong><\/p>\n

<\/h2>\n

5.1 \u677f\u8f7d\u5149\u5b66\u5668\u4ef6<\/strong><\/span><\/p>\n

5.2 \u5c01\u88c5\u5149\u5b66<\/strong><\/span><\/h3>\n

5.3 \u91c7\u7528\u9014\u5f84<\/strong><\/span><\/h3>\n

5.3.1 \u94dc\u9009\u9879<\/span><\/h4>\n

5.3.2 \u5149\u5b66 PMD \u9009\u9879<\/span><\/h4>\n

5.3.3 \u53ef\u8fbe\u6027<\/span><\/h4>\n

5.3.4 \u751f\u6001\u7cfb\u7edf<\/span><\/h4>\n

5.3.5 \u6210\u719f\u5ea6<\/span><\/h4>\n

5.4 \u6807\u51c6\u5316<\/strong><\/span><\/h3>\n

5.5 CPO \u8981\u6c42<\/strong><\/span><\/h3>\n

5.6 \u5149\u5b50\u96c6\u6210<\/strong><\/span><\/h3>\n

6 \u7f51\u7edc\u67b6\u6784\u6f14\u8fdb<\/span><\/strong><\/h2>\n

7 \u7ed3\u8bba<\/span><\/strong><\/h2>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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