{"id":1559,"date":"2021-10-25T14:55:21","date_gmt":"2021-10-25T06:55:21","guid":{"rendered":"https:\/\/www.mtxio.cn\/?p=1559"},"modified":"2021-10-25T14:55:21","modified_gmt":"2021-10-25T06:55:21","slug":"%e6%8a%80%e6%9c%af%e5%8d%9a%e5%ae%a2-i-pcb%e7%9a%84ddr4%e5%b8%83%e7%ba%bf%e6%8c%87%e5%8d%97%e5%92%8cpcb%e7%9a%84%e6%9e%b6%e6%9e%84%e6%94%b9%e8%bf%9b","status":"publish","type":"post","link":"https:\/\/www.mtxio.cn\/index.php\/pr\/%e6%8a%80%e6%9c%af%e5%8d%9a%e5%ae%a2-i-pcb%e7%9a%84ddr4%e5%b8%83%e7%ba%bf%e6%8c%87%e5%8d%97%e5%92%8cpcb%e7%9a%84%e6%9e%b6%e6%9e%84%e6%94%b9%e8%bf%9b\/","title":{"rendered":"\u6280\u672f\u535a\u5ba2 I PCB\u7684DDR4\u5e03\u7ebf\u6307\u5357\u548cPCB\u7684\u67b6\u6784\u6539\u8fdb"},"content":{"rendered":"\n<p>\u8ba1\u7b97\u673a\u9886\u57df\u603b\u662f\u5728\u6301\u7eed\u4e0d\u65ad\u5730\u8fdb\u6b65\uff0c\u59cb\u7ec8\u6709\u53d1\u5c55\u53d8\u5316\u548c\u66f4\u65b0\u8fed\u4ee3\u7b49\u5f85\u7740\u6211\u4eec\u53bb\u4f53\u9a8c\u548c\u63a2\u7d22\u3002\u4ece\u5934\u5f00\u59cb\u6253\u9020\u4e00\u53f0\u65b0\u7684 PC \u662f\u4e00\u79cd\u4ee4\u4eba\u6109\u60a6\u7684\u4f53\u9a8c\uff0c\u6709\u65b0\u4e00\u4ee3\u6807\u51c6\u65f6\u66f4\u662f\u5982\u6b64\u3002\u8bf4\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e0d\u5f97\u4e0d\u63d0\u5230\u6709\u5173\u968f\u673a\u5b58\u53d6\u5b58\u50a8\u5668 (RAM) \u7684\u8bdd\u9898\u3002\u5177\u4f53\u6765\u8bf4\u662f DDR4 RAM\uff0c\u8fd9\u6070\u597d\u662f\u5e02\u573a\u4e0a\u76ee\u524d\u7684\u6807\u51c6\u3002<strong>RAM \u7684\u91cd\u8981\u6027\u4f17\u6240\u5468\u77e5\uff0c\u5982\u679c\u6211\u4eec\u95ee\u5230\u4efb\u4f55\u8ba1\u7b97\u673a\u6216\u7f51\u7edc\u5de5\u7a0b\u5e08\uff0c\u4ed6\u4eec\u90fd\u4f1a\u8868\u793a\u62e5\u6709\u518d\u591a\u7684 RAM \u4e5f\u4e0d\u4e3a\u8fc7\u3002<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"808\" height=\"487\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/1-1.jpg\" alt=\"\" class=\"wp-image-1560\"\/><figcaption><em>\u57fa\u4e8e DDR4 \u5b9e\u73b0\u7684 PCB \u67b6\u6784\u6539\u8fdb<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>\u5982\u4e0a\u6240\u8ff0\uff0c\u8ba1\u7b97\u673a\u6280\u672f\u9886\u57df\u7684\u683c\u5c40\u4e0d\u65ad\u53d1\u5c55\u53d8\u5316\u3002\u968f\u7740\u65b0\u6807\u51c6\u7684\u51fa\u73b0\uff0c\u8bbe\u5907\u67b6\u6784\u9700\u8981\u4f5c\u51fa\u76f8\u5e94\u8c03\u6574\u3002\u8fd9\u4e00\u8868\u8ff0\u540c\u6837\u9002\u7528\u4e8e\u4ece DDR3 \u5230 DDR4 \u7684\u4ee3\u9645\u6807\u51c6\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u968f\u673a\u5b58\u53d6\u5b58\u50a8\u5668\u7684\u8fd9\u4e9b\u8fdb\u6b65\u4e5f\u663e\u8457\u63d0\u5347\u4e86\u6574\u4f53\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u60f3\u8981\u5229\u7528\u6700\u65b0\u7684 RAM\uff0c\u5c31\u9700\u8981\u6539\u53d8 PCB \u8bbe\u8ba1\uff1b\u6b63\u5982 USB \u6807\u51c6\u4ece USB 2.0 \u53d1\u5c55\u5230 USB 3.0 \u65f6\u4e00\u6837\u3002\u968f\u7740\u5e02\u573a\u5bf9\u66f4\u5f3a\u5904\u7406\u80fd\u529b\u3001\u66f4\u4f73\u6027\u80fd\u548c\u66f4\u9ad8\u7ea7\u529f\u80fd\u7684\u9700\u6c42\u4e0d\u65ad\u63a8\u52a8\u884c\u4e1a\u7684\u53d1\u5c55\uff0c\u8fd9\u4e9b\u7c7b\u578b\u7684\u6539\u53d8\u662f\u6301\u7eed\u4e14\u5fc5\u8981\u7684\u3002<\/p>\n\n\n\n<p>\u5c3d\u7ba1\u5927\u591a\u6570\u4eba\u4e0d\u4f1a\u6ce8\u610f\u5230\u6216\u770b\u5230 PCB \u8bbe\u8ba1\u6240\u9700\u7684\u67b6\u6784\u53d8\u5316\uff0c\u4f46\u8fd9\u5e76\u6ca1\u6709\u964d\u4f4e\u8fd9\u4e9b\u5173\u952e\u53d8\u5316\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n<h4><strong>\u5b9e\u73b0 DDR4\uff0cPCB Layout \u9700\u8981\u4f5c\u51fa\u4ec0\u4e48\u6539\u53d8\uff1f<\/strong><\/h4>\n\n\n\n<p><strong>\u53cc\u500d\u6570\u636e\u901f\u7387 4 \uff08Double Data Rate 4\uff09\u7b80\u79f0 DDR4\uff0c\u6709\u4e24\u79cd\u4e0d\u540c\u7684\u6a21\u5757\u7c7b\u578b\u3002<\/strong>\u5176\u4e2d\u4e00\u79cd\u6a21\u5757\u7c7b\u578b\u662f\u5c0f\u578b\u53cc\u5217\u76f4\u63d2\u5f0f\u5185\u5b58\u6a21\u5757\uff08260 \u4e2a\u5f15\u811a\uff09\uff0c\u7b80\u79f0&nbsp;<strong>So-DIMM\uff0c\u7528\u4e8e\u7b14\u8bb0\u672c\u7535\u8111\u7b49\u4fbf\u643a\u5f0f\u8ba1\u7b97\u8bbe\u5907<\/strong>\u3002\u53e6\u4e00\u79cd\u6a21\u5757\u7c7b\u578b\u662f\u53cc\u5217\u76f4\u63d2\u5f0f\u5185\u5b58\u6a21\u5757\uff08288 \u4e2a\u5f15\u811a\uff09\uff0c\u7b80\u79f0&nbsp;<strong>DIMM\uff0c\u7528\u4e8e\u53f0\u5f0f\u673a\u548c\u670d\u52a1\u5668\u7b49\u8bbe\u5907<\/strong>\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u67b6\u6784\u7684\u7b2c\u4e00\u4e2a\u53d8\u5316\u5f53\u7136\u662f\u5f15\u811a\u6570\u6240\u81f4\u3002\u4e0a\u4e00\u8fed\u4ee3 (DDR3) \u7684 DIMM \u4f7f\u7528 240 \u4e2a\u5f15\u811a\uff0cSo-DIMM \u4e3a 204 \u4e2a\u5f15\u811a\u3002\u800c\u524d\u6587\u63d0\u5230\u7684 DDR4 \u7684 DIMM \u4f7f\u7528 288 \u4e2a\u5f15\u811a\u3002\u968f\u7740\u5f15\u811a\u6216\u89e6\u70b9\u7684\u589e\u52a0\uff0cDDR4 \u63d0\u4f9b\u66f4\u5927\u7684 DIMM \u5bb9\u91cf\u3001\u66f4\u597d\u7684\u6570\u636e\u5b8c\u6574\u6027\u3001\u66f4\u5feb\u7684\u4e0b\u8f7d\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u80fd\u6548\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"500\" height=\"272\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/2-1.jpg\" alt=\"\" class=\"wp-image-1561\"\/><figcaption><em>\u5404\u79cd\u7c7b\u578b\u7684 DDR RAM \u82af\u7247<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>\u4e0e\u8fd9\u79cd\u6574\u4f53\u6027\u80fd\u6539\u8fdb\u4e00\u540c\u51fa\u73b0\u7684\u8fd8\u6709\u4e00\u79cd\u5f2f\u66f2\u8bbe\u8ba1\uff08\u5e95\u90e8\uff09\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u597d\u3001\u66f4\u5b89\u5168\u7684\u8fde\u63a5\uff0c\u5e76\u63d0\u9ad8\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u7684\u7a33\u5b9a\u6027\u548c\u5f3a\u5ea6\u3002\u6b64\u5916\uff0c\u53f0\u67b6\u6d4b\u8bd5\u8bc1\u660e\uff0cDDR4 \u4f7f\u6027\u80fd\u63d0\u5347\u4e86 50%\uff0c\u6700\u9ad8\u53ef\u8fbe 3,200 MTs\uff08\u6bcf\u79d2\u5146\u4f20\u8f93\u7387\uff09\u3002<\/p>\n\n\n\n<p>\u800c\u4e14\uff0c\u8fd9\u4e9b\u6027\u80fd\u63d0\u5347\u662f\u5728\u964d\u4f4e\u529f\u8017\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u7684\uff1a\u6bcf\u4e2a DIMM\u4ec5\u8017\u8d391.2 \u4f0f\uff0c\u800c\u4e0d\u662f\u4e0a\u4e00\u4ee3\u6807\u51c6\u8981\u6c42\u7684 1.5 \u81f3 1.35 \u4f0f\u3002\u6240\u6709\u8fd9\u4e9b\u53d8\u5316\u610f\u5473\u7740 PCB \u8bbe\u8ba1\u4eba\u5458\u5fc5\u987b\u91cd\u65b0\u8bc4\u4f30\u8bbe\u8ba1\u65b9\u6cd5\u6765\u5b9e\u73b0 DDR4\u3002<\/p>\n\n\n\n<h4><strong>PCB DDR4 \u8bbe\u8ba1\u6307\u5357<\/strong><\/h4>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u5e0c\u671b\u7535\u5b50\u8bbe\u5907\u6216\u5143\u4ef6\u4ee5\u6700\u4f73\u6c34\u5e73\u8fd0\u884c\uff0c\u5219\u9700\u8981\u7cbe\u51c6\u7684 PCB \u8bbe\u8ba1\uff0c\u5176\u4e2d\u5305\u62ec DDR4 \u7684\u5b9e\u73b0\u3002\u8fd9\u4e00\u70b9\u5f88\u597d\u7406\u89e3\u3002\u9664\u4e86\u9700\u8981\u8bbe\u8ba1\u7cbe\u5ea6\u4e4b\u5916\uff0c\u8fd8\u5fc5\u987b\u7b26\u5408\u5f53\u4eca\u7684\u5185\u5b58\u3002<\/p>\n\n\n\n<p>PCB \u8bbe\u8ba1\u4eba\u5458\u4e5f<strong>\u5fc5\u987b\u8003\u8651\u5404\u79cd\u5176\u4ed6\u56e0\u7d20\uff0c\u4f8b\u5982\u7a7a\u95f4\u5206\u914d\u548c\u5173\u952e\u8fde\u63a5\u3002\u8fd8\u9700\u8981\u7ba1\u7406\u521d\u59cb\u8bbe\u8ba1\u9636\u6bb5\uff0c\u56e0\u4e3a\u60f3\u8981\u6210\u529f\u5b9e\u65bd\uff0c\u8bbe\u8ba1\u5fc5\u987b\u6ee1\u8db3\u5e03\u7ebf\u62d3\u6251\u548c\u8bbe\u8ba1\u89c4\u8303\u3002<\/strong><\/p>\n\n\n\n<p>\u4e3a\u4e86\u6709\u6548\u7ba1\u7406\u6570\u636e\uff0cPCB \u5e94\u9075\u5faa\u5e03\u7ebf\u548c\u6700\u4f73\u5b9e\u8df5 (PCB)\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u82e5\u5e72\u95ee\u9898\uff0c\u5305\u62ec\u6613\u611f\u6027\u548c\u8f90\u5c04\u53d1\u5c04\u3002PCB \u8bbe\u8ba1\u4eba\u5458\u8fd8\u5e94\u8be5<strong>\u5229\u7528\u9002\u5f53\u7684\u6280\u672f\u6765\u5b9e\u73b0\u5927\u89c4\u6a21\u6247\u51fa\u548c\u9ad8\u8fb9\u7f18\u901f\u7387\uff0c\u4ee5\u4fdd\u6301\u4f4e\u8bef\u7801\u7387\u548c 1.6 \u81f3 3.2 Gbps \u7684\u6570\u636e\u8303\u56f4\u3002<\/strong>\u540c\u6837\uff0c\u5982\u679c\u6ca1\u6709\u9002\u5f53\u7684\u8bbe\u8ba1\u6280\u672f\uff0c\u6211\u4eec\u7684 PCB \u5c06\u9047\u5230\u4fe1\u53f7\u5b8c\u6574\u6027\u95ee\u9898\u5e76\u5bfc\u81f4\u4e32\u6270\u548c\u7531\u6b64\u4ea7\u751f\u7684\uff08\u8fc7\u5ea6\uff09\u6296\u52a8\u3002<\/p>\n\n\n\n<h4><strong>DDR4 \u5e03\u7ebf\u6307\u5357\u4ee5\u53ca\u957f\u5ea6\u548c\u95f4\u8ddd\u89c4\u5219<\/strong><\/h4>\n\n\n\n<p>\u5728 PCB \u8bbe\u8ba1\u4e2d\uff0c\u60f3\u8981\u5b9e\u73b0\u6700\u4f73\u5e03\u7ebf\u8def\u5f84\uff0c\u9700\u8981\u6b63\u786e\u653e\u7f6e DIMM \u8fde\u63a5\u5668\u548c\u6b63\u786e\u4f7f\u7528\u5185\u5b58\u82af\u7247\u3002\u4e00\u822c\u6765\u8bf4\uff0c<strong>DDR4 SDRAM \u9700\u8981\u66f4\u77ed\u7684\u5e03\u7ebf\u548c\u9002\u5f53\u7684\u95f4\u8ddd\uff0c\u4ee5\u5b9e\u73b0\u5cf0\u503c\u65f6\u5e8f\u548c\u6700\u4f73\u4fe1\u53f7\u5b8c\u6574\u6027\u3002<\/strong><strong>PCB \u8bbe\u8ba1\u4eba\u5458\u8fd8\u5e94\u5728\u76f8\u5173\u4fe1\u53f7\u7ec4\u4e2d\u8fdb\u884c\u5f15\u811a\u4ea4\u6362\u3002<\/strong>\u6b64\u5916\uff0c\u5728\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\uff0c\u5e94<strong>\u907f\u514d\u4fe1\u53f7\u5e03\u7ebf\u4f4d\u4e8e\u7a7a\u9699\u5904\u3001\u4fe1\u53f7\u5c42\u5e03\u7ebf\u5f7c\u6b64\u76f8\u90bb\u4ee5\u53ca\u53c2\u8003\u5e73\u9762\u5206\u5272\u3002<\/strong><\/p>\n\n\n\n<p>\u540c\u65f6\uff0c\u5982\u679c\u53ef\u4ee5\u7684\u8bdd\uff0c\u6211\u4eec\u8fd8\u5e94\u8be5<strong>\u5728\u7535\u6e90\u5c42\u6216\u9002\u5f53\u7684\u63a5\u5730 (GND) \u4e4b\u95f4\u8fdb\u884c\u5b58\u50a8\u5668\u63a5\u53e3\u4fe1\u53f7\u5e03\u7ebf\u3002<\/strong>\u6b64\u5916\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u540c\u4e00\u5c42\u7684\u540c\u4e00\u5b57\u8282\u901a\u9053\u7ec4\u4e2d\u8fdb\u884c DQ\uff08\u8f93\u5165\/\u8f93\u51fa\u6570\u636e\uff09\u3001DQS\uff08\u6570\u636e\u9009\u901a\uff09\u548c DM\uff08\u6570\u636e\u63a9\u7801\uff09\u4fe1\u53f7\u5e03\u7ebf\u6765\u5e2e\u52a9\u51cf\u5c11\u6216\u6d88\u9664\u4f20\u8f93\u901f\u5ea6\u5dee\u5f02\u3002\u4e0e DQS \u4fe1\u53f7\u76f8\u6bd4\uff0c\u65f6\u949f\u4fe1\u53f7\u7684\u4f20\u64ad\u5ef6\u8fdf\u66f4\u957f\uff0c\u56e0\u6b64<strong>\u65f6\u949f\u4fe1\u53f7\u7684\u8d70\u7ebf\u957f\u5ea6\u901a\u5e38\u9700\u8981\u6bd4\u53cc\u5217\u76f4\u63d2\u5f0f\u5185\u5b58\u6a21\u5757\u4e2d\u6700\u957f\u7684 DQS \u8d70\u7ebf\u66f4\u957f\u3002<\/strong><\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5fc5\u987b\u7262\u8bb0\uff0c\u6bcf\u4e2a\u7535\u8def\u677f\u5806\u53e0\u90fd\u662f\u4e0d\u540c\u7684\uff0c\u95f4\u8ddd\u8981\u6c42\u4e5f\u662f\u5982\u6b64\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u5229\u7528\u573a\u6c42\u89e3\u5668 (\u5982Cadence Clarity<sup>\u2122<\/sup>\u00a03D Solver) \u5728\u4e34\u754c\u4fe1\u53f7\u4e4b\u95f4\u5efa\u7acb\u4f4e\u4e8e -50dB \u7684\u4e32\u6270\u3002<strong>\u8bf7\u6ce8\u610f\uff1a\u4ece\u65f6\u949f\u5230 DQS \u6ca1\u6709\u957f\u5ea6\u8981\u6c42\uff0c\u4f46\u662f\u4ece\u65f6\u949f\u5230\u547d\u4ee4\/\u63a7\u5236\/\u5730\u5740\u6709\u957f\u5ea6\u8981\u6c42\u3002\u957f\u5ea6\u8981\u6c42\u53d6\u51b3\u4e8e\u6750\u6599\u7684 Dk\uff08\u4ecb\u7535\u5e38\u6570\uff09\u548c\u6bcf\u4e2a SDRAM \u7684\u8d1f\u8f7d\u3002<\/strong><\/p>\n\n\n\n<h4><strong>DDR4 \u5c42\u5206\u914d\u548c\u6570\u636e\u901a\u9053\u53c2\u8003<\/strong><\/h4>\n\n\n\n<p>\u53ef\u4ee5\u5c06 DQS\u3001DQ \u548c DM \u7f51\u7edc\u5206\u914d\u7ed9\u5806\u53e0\u4e2d\u4efb\u4f55\u53ef\u7528\u7684\u5185\u90e8\u5e26\u72b6\u7ebf\u5c42\u3002\u800c\u5730\u5740\/\u547d\u4ee4\/\u63a7\u5236\u548c\u65f6\u949f\u5e94\u5728\u66f4\u9760\u8fd1 SDRAM \u7684\u5c42\u4e0a\u8fdb\u884c\u5e03\u7ebf\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u8fc7\u5b54\u8026\u5408\u3002<\/p>\n\n\n\n<p><strong>\u5730\u5740\/\u547d\u4ee4\/\u63a7\u5236 SDRAM \u8fc7\u5b54\u5e94\u8be5\u5728\u6bcf\u4e2a SDRAM \u5904\u6dfb\u52a0\u8fde\u63a5\u5230\u63a5\u5730\u7684\u8fc7\u5b54\uff08\u9634\u5f71\u8fc7\u5b54\uff09\uff0c\u4ee5\u51cf\u5c11\u8fc7\u5b54\u8026\u5408\u3002<\/strong><\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5730\u5740\u548c\u63a7\u5236\u53c2\u8003\u7535\u6e90\u5c42\u6216\u63a5\u5730\u53d6\u51b3\u4e8e\u63a7\u5236\u5668\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<strong>DIMM \u6709\u5730\u5740\u548c\u63a7\u5236\u53c2\u8003\u7535\u6e90\u5c42\uff0c\u800c\u677f\u8f7d BGA\uff08\u7403\u6805\u9635\u5217\uff09\u5f88\u5c11\u6709\u5730\u5740\u548c\u63a7\u5236\u53c2\u8003\u7535\u6e90\u5c42\u3002<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"500\" height=\"272\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/3.jpg\" alt=\"\" class=\"wp-image-1562\"\/><figcaption><em>DDR4 \u4f1a\u7ed9\u8bbe\u8ba1\u589e\u6dfb\u5927\u91cf\u7684\u590d\u6742\u6027\uff0c\u4f46\u9075\u5b88\u6307\u5357\u53ef\u4ee5\u7f13\u89e3\u8fd9\u79cd\u60c5\u51b5<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>DDR4 \u4e0e\u4e0a\u4e00\u4ee3\u6807\u51c6 (DDR3) \u4e00\u6837\uff0c\u5728\u5b9e\u73b0\u65f6\u9700\u8981\u65b0\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002\u663e\u7136\uff0c\u4e3a\u4e86\u9002\u5e94\u5347\u7ea7\u540e\u7684\u6027\u80fd\uff0c\u8bbe\u8ba1\u8981\u6c42\u6709\u6240\u53d8\u52a8\uff0c\u8fd9\u662f\u521b\u65b0\u7684\u526f\u4f5c\u7528\u3002\u7136\u800c\uff0c\u9075\u5faa\u6b63\u786e\u7684\u8bbe\u8ba1\u548c\u62d3\u6251\u6280\u672f\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u5229\u7528\u8fd9\u4e00\u5f53\u4ee3\u7684\u65b0\u6807\u51c6\u6765\u63d0\u5347\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u65e0\u8bba\u662f\u8981\u5b9e\u73b0\u4efb\u4f55\u5f62\u5f0f\u7684 DDR \u5185\u5b58\uff0c\u8fd8\u662f\u4ece\u4e8b\u4e8e\u5bf9\u4fe1\u53f7\u8981\u6c42\u7279\u522b\u9ad8\u7684\u8bbe\u8ba1\uff0cCadence \u7684\u8bbe\u8ba1\u548c\u5206\u6790\u5de5\u5177\u5957\u4ef6\u90fd\u80fd\u52a9\u60a8\u4e00\u81c2\u4e4b\u529b\u3002<\/p>\n\n\n<div data-block=\"hook\" ><div class=\"entry-content\" >\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container\">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator alignwide is-style-wide\"\/>\n\n\n\n<h2 class=\"has-text-align-center\">\u76f8\u5173\u4ea7\u54c1<\/h2>\n\n\n\n<div class=\"aligncenter wp-block-ugb-blog-posts ugb-blog-posts ugb-1a7c15a ugb-blog-posts--v2 ugb-blog-posts--design-basic ugb-blog-posts--columns-2 ugb-main-block ugb--has-custom-content-width-tablet ugb--has-custom-content-width-mobile\"><style>.ugb-1a7c15a .ugb-blog-posts__title{order:1 !important}.ugb-1a7c15a .ugb-blog-posts__category{order:4 !important}.ugb-1a7c15a .ugb-blog-posts__excerpt{order:5 !important}.ugb-1a7c15a .ugb-blog-posts__meta{order:10 !important}.ugb-1a7c15a .ugb-blog-posts__featured-image img{height:200px !important}.ugb-1a7c15a .ugb-blog-posts__title a{color:var(--paletteColor4,#000000) !important}.ugb-1a7c15a .ugb-blog-posts__title a:hover{color:var(--paletteColor4,#000000) !important}.ugb-1a7c15a .ugb-inner-block{text-align:left}@media screen and (min-width:768px){.ugb-1a7c15a.ugb-blog-posts{padding-top:5% !important;padding-bottom:5% !important}}@media screen and (max-width:1025px){.ugb-1a7c15a.ugb-blog-posts > .ugb-inner-block{max-width:80% !important}}@media screen and (max-width:768px){.ugb-1a7c15a.ugb-blog-posts > .ugb-inner-block{max-width:90% !important}}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><figure class=\"ugb-blog-posts__featured-image ugb--shadow-3\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-pcb-extraction\/\"><img width=\"150\" height=\"100\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/qymo-vdiwk4.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"shallow focus photo of yellow flowers\" loading=\"lazy\" width=\"150\" height=\"100\" \/><\/a><\/figure><h5 class=\"ugb-blog-posts__title\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-pcb-extraction\/\">Sigrity PCB Extraction<\/a><\/h5><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><figure class=\"ugb-blog-posts__featured-image ugb--shadow-3\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-advanced-si-2\/\"><img width=\"150\" height=\"99\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/f_mgdtpvmmk.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"yellow wooden wall during daytime\" loading=\"lazy\" width=\"150\" height=\"99\" \/><\/a><\/figure><h5 class=\"ugb-blog-posts__title\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-advanced-si-2\/\">Sigrity Advanced SI<\/a><\/h5><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><figure class=\"ugb-blog-posts__featured-image ugb--shadow-3\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-advanced-pi-2\/\"><img width=\"150\" height=\"100\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/h10w9g-novw.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"man wearing eyeglasses and red sweater\" loading=\"lazy\" width=\"150\" height=\"100\" \/><\/a><\/figure><h5 class=\"ugb-blog-posts__title\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-advanced-pi-2\/\">Sigrity Advanced PI<\/a><\/h5><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><figure class=\"ugb-blog-posts__featured-image ugb--shadow-3\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-xtractim\/\"><img width=\"150\" height=\"100\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/cifgsywk-_4.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"yellow and white printer paper\" loading=\"lazy\" width=\"150\" height=\"100\" \/><\/a><\/figure><h5 class=\"ugb-blog-posts__title\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-xtractim\/\">Sigrity XtractIM<\/a><\/h5><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><figure class=\"ugb-blog-posts__featured-image ugb--shadow-3\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-broadband-spice\/\"><img width=\"150\" height=\"100\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/5qt09yibrok.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"black Sony point-and-shoot camera on yellow surface\" loading=\"lazy\" width=\"150\" height=\"100\" \/><\/a><\/figure><h5 class=\"ugb-blog-posts__title\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-broadband-spice\/\">Sigrity Broadband SPICE<\/a><\/h5><\/div><\/article><article class=\"ugb-blog-posts__item\"><div class=\"ugb-blog-posts__content\"><figure class=\"ugb-blog-posts__featured-image ugb--shadow-3\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-ibis-modeling\/\"><img width=\"150\" height=\"100\" src=\"https:\/\/www.mtxio.cn\/wp-content\/uploads\/2021\/10\/6gqdigk7hle.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" width=\"150\" height=\"100\" \/><\/a><\/figure><h5 class=\"ugb-blog-posts__title\"><a href=\"https:\/\/www.mtxio.cn\/index.php\/products\/pcb\/si-pi\/sigrity-ibis-modeling\/\">Sigrity IBIS Modeling<\/a><\/h5><\/div><\/article><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n<div data-block=\"hook\" ><div class=\"entry-content\" >\n<div class=\"wp-block-ugb-container ugb-container ugb-e32dd5e ugb-container--v2 ugb-container--design-basic ugb-main-block\"><style>.ugb-e32dd5e-wrapper.ugb-container__wrapper{border-radius:25px !important;background-color:var(--paletteColor1,#ffd800) !important}.ugb-e32dd5e-wrapper.ugb-container__wrapper:before{background-color:var(--paletteColor1,#ffd800) !important}.ugb-e32dd5e-content-wrapper > h1,.ugb-e32dd5e-content-wrapper > h2,.ugb-e32dd5e-content-wrapper > h3,.ugb-e32dd5e-content-wrapper > h4,.ugb-e32dd5e-content-wrapper > h5,.ugb-e32dd5e-content-wrapper > h6{color:#222222}.ugb-e32dd5e-content-wrapper > p,.ugb-e32dd5e-content-wrapper > ol li,.ugb-e32dd5e-content-wrapper > ul li{color:#222222}@media screen and (min-width:768px){.ugb-e32dd5e.ugb-container{margin-bottom:0px !important}}@media screen and (max-width:768px){.ugb-e32dd5e.ugb-container{margin-bottom:0px !important}}@media screen and (min-width:768px){.ugb-e32dd5e > .ugb-inner-block > .ugb-block-content > *{padding-top:5% !important;padding-bottom:5% !important;padding-right:5% !important;padding-left:5% !important}}@media screen and (max-width:768px){.ugb-e32dd5e > .ugb-inner-block > .ugb-block-content > *{padding-top:10% !important;padding-right:10% !important;padding-bottom:10% !important;padding-left:10% !important}}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-e32dd5e-wrapper ugb--shadow-0\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-e32dd5e-content-wrapper\">\n<div class=\"wp-block-ugb-columns ugb-columns ugb-74f632a ugb-columns--design-plain ugb-columns--columns-2 ugb-main-block\"><style>.ugb-74f632a > .ugb-inner-block > .ugb-block-content > .ugb-columns__item{grid-template-columns:1.30fr 0.70fr !important}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-columns__item ugb-74f632a-content-wrapper\">\n<div class=\"wp-block-ugb-column ugb-column ugb-2c93ea8 ugb-column--design-plain ugb-main-block\"><style>.ugb-2c93ea8 > .ugb-inner-block > .ugb-block-content > *{justify-content:center !important}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-column__item ugb-2c93ea8-column-wrapper\"><div class=\"ugb-column__content-wrapper\">\n<div class=\"wp-block-ugb-heading ugb-heading ugb-ffefc7a ugb-main-block\"><style>.ugb-ffefc7a .ugb-heading__title{font-size:40px !important}.ugb-ffefc7a .ugb-heading__subtitle{color:var(--paletteColor4,#000000);margin-bottom:0px !important}@media screen and (max-width:1025px){.ugb-ffefc7a .ugb-heading__title{font-size:30px !important}}@media screen and (max-width:768px){.ugb-ffefc7a .ugb-heading__title{text-align:center}.ugb-ffefc7a .ugb-inner-block{text-align:center}}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><h2 class=\"ugb-heading__title\">\u8054\u7cfb\u6211\u4eec<\/h2><p class=\"ugb-heading__subtitle\">\u6ee1\u5929\u661f\u662f Cadence\u6388\u6743\u4ee3\u7406\u5546\uff0c\u4e3a\u60a8\u63d0\u4f9b\u4e13\u4e1a\u6280\u672f\u670d\u52a1\u3002\u6709\u5173 Cadence\u8f6f\u4ef6\u7684\u9500\u552e\u3001\u8bd5\u7528\u3001\u6280\u672f\u652f\u6301\u6216\u57f9\u8bad\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u3002<\/p><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-ugb-columns ugb-columns ugb-c8c7f43 ugb-columns--design-plain ugb-columns--columns-2 ugb-main-block\"><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-columns__item ugb-c8c7f43-content-wrapper\">\n<div class=\"wp-block-ugb-column ugb-column ugb-92558c9 ugb-column--design-plain ugb-main-block\"><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-column__item ugb-92558c9-column-wrapper\"><div class=\"ugb-column__content-wrapper\">\n<div class=\"wp-block-ugb-button ugb-button-wrapper ugb-33cf773 ugb-button--mobile-aligned ugb-main-block\"><style>.ugb-33cf773 .ugb-block-content{justify-content:flex-end !important}.ugb-33cf773 .ugb-button1 .ugb-button--inner{font-weight:600 !important}.ugb-33cf773 .ugb-button1{background-color:var(--paletteColor8,#ffffff);padding-top:15px;padding-right:28px;padding-bottom:15px;padding-left:28px;border-radius:15px !important}.ugb-33cf773 .ugb-button1 .ugb-button--inner,.ugb-33cf773 .ugb-button1 svg:not(.ugb-custom-icon){color:var(--paletteColor4,#000000) !important}.ugb-33cf773 .ugb-button1:hover .ugb-button--inner,.ugb-33cf773 .ugb-button1:hover svg:not(.ugb-custom-icon){color:var(--paletteColor8,#ffffff) !important}.ugb-33cf773 .ugb-button1:hover{background-color:var(--paletteColor3,#5a5a5a);opacity:1}.ugb-33cf773 .ugb-button1:before{border-radius:15px !important}.ugb-33cf773 .ugb-inner-block{text-align:right}@media screen and (min-width:768px){.ugb-33cf773.ugb-button-wrapper{margin-bottom:0px !important}}@media screen and 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