{"id":2160,"date":"2019-02-28T09:16:36","date_gmt":"2019-02-28T09:16:36","guid":{"rendered":""},"modified":"2019-02-28T17:16:54","modified_gmt":"2019-02-28T09:16:54","slug":"%e6%b5%85%e6%9e%90fpga%e8%8a%af%e7%89%87%e7%9a%84%e6%95%a3%e7%83%ad%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2160","title":{"rendered":"\u6d45\u6790FPGA\u82af\u7247\u7684\u6563\u70ed\u8bbe\u8ba1"},"content":{"rendered":"

\n\t\u4efb\u4f55\u82af\u7247\u8981\u5de5\u4f5c\uff0c\u5fc5\u987b\u6ee1\u8db3\u4e00\u4e2a\u6e29\u5ea6\u8303\u56f4\uff0c\u8fd9\u4e2a\u6e29\u5ea6\u662f\u6307\u7845\u7247\u4e0a\u7684\u6e29\u5ea6\uff0c\u901a\u5e38\u79f0\u4e4b\u4e3a\u7ed3\u6e29\uff08juncti<\/u>on te<\/u>mperature\uff09\u3002<\/p>\n

\n\tALTERA<\/u>\u7684FPGA<\/u>\u5206\u4e3a\u5546\u7528\u7ea7\uff08commercial\uff09\u548c\u5de5\u4e1a\u7ea7\uff08induatrial\uff09\u4e24\u79cd\uff0c\u5546\u7528\u7ea7\u7684\u82af\u7247\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\u7684\u7ed3\u6e29\u8303\u56f4\u4e3a0~85\u6444\u6c0f\u5ea6\uff0c\u800c\u5de5\u4e1a\u7ea7\u82af\u7247\u7684\u8303\u56f4\u662f-40~100\u6444\u6c0f\u5ea6\u3002\u5728\u5b9e\u9645\u7535\u8def<\/u>\u4e2d\uff0c\u6211\u4eec\u5fc5\u987b\u4fdd\u8bc1\u82af\u7247\u7684\u7ed3\u6e29\u5728\u5176\u53ef\u4ee5\u627f\u53d7\u7684\u8303\u56f4\u4e4b\u5185\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u968f\u7740\u82af\u7247\u7684\u529f\u8017\u8d8a\u6765\u8d8a\u5927\uff0c\u5728\u5de5\u4f5c\u7684\u65f6\u5019\u5c31\u4f1a\u4ea7\u751f\u8d8a\u6765\u8d8a\u591a\u7684\u70ed\u91cf\u3002\u5982\u679c\u8981\u7ef4\u6301\u82af\u7247\u7684\u7ed3\u6e29\u5728\u6b63\u5e38\u7684\u8303\u56f4\u4ee5\u5185\uff0c\u5c31\u9700\u8981\u91c7\u53d6\u4e00\u5b9a\u7684\u65b9\u6cd5\u4f7f\u5f97\u82af\u7247\u4ea7\u751f\u7684\u70ed\u91cf\u8fc5\u901f\u53d1\u6563\u5230\u73af\u5883\u4e2d\u53bb\u3002<\/p>\n

\n\t\u5b66\u8fc7\u4e2d\u5b66\u7269\u7406\u7684\u4eba\u90fd\u77e5\u9053\uff0c\u70ed\u91cf\u4f20\u9012\u4e3b\u8981\u91c7\u7528\u4e09\u79cd\u65b9\u6cd5\uff0c\u5373\u4f20\u5bfc\u3001\u5bf9\u6d41\u548c\u8f90\u5c04\uff0c\u82af\u7247\u5411\u5916\u6563\u70ed\u540c\u6837\u662f\u91c7\u7528\u8fd9\u51e0\u79cd\u65b9\u5f0f\u3002<\/p>\n

\n\t\u4e0b\u56fe\u6240\u793a\u4e3a\u4e00\u4e2a\u82af\u7247\u6563\u70ed\u7684\u7b80\u5316\u6a21\u578b\u3002\u56fe\u4e2d\u82af\u7247\u4ea7\u751f\u7684\u70ed\u91cf\u4e3b\u8981\u4f20\u7ed9\u82af\u7247\u5916\u5c01\u88c5\uff0c\u5982\u679c\u6ca1\u6709\u8d34\u6563\u70ed\u7247\uff0c\u5c31\u7531\u82af\u7247\u5c01\u88c5\u5916\u58f3\u76f4\u63a5\u6563\u5e03\u5230\u73af\u5883\u4e2d\u53bb\uff1b\u5982\u679c\u52a0\u4e86\u6563\u70ed\u7247\uff0c\u70ed\u91cf\u5c31\u4f1a\u7531\u82af\u7247\u7684\u5916\u5c01\u88c5\u901a\u8fc7\u6563\u70ed\u7247\u80f6\u4f20\u5230\u6563\u70ed\u7247\u4e0a\uff0c\u518d\u7531\u6563\u70ed\u7247\u4f20\u5230\u73af\u5883\u4e2d\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6563\u70ed\u7247\u7684\u8868\u9762\u79ef\u90fd\u505a\u7684\u76f8\u5f53\u5927\uff0c\u4e0e\u7a7a\u6c14\u7684\u63a5\u89e6\u9762\u5c31\u5927\uff0c\u8fd9\u6837\u6709\u5229\u4e8e\u4f20\u70ed\u3002\u5728\u5e73\u65f6\u7684\u5b9e\u8df5\u4e2d\u5df2\u7ecf\u53d1\u73b0\uff0c\u7edd\u5927\u591a\u6570\u6563\u70ed\u7247\u90fd\u662f\u9ed1\u8272\u7684\uff0c\u7531\u4e8e\u9ed1\u8272\u7269\u4f53\u5bb9\u6613\u5411\u5916\u8f90\u5c04\u70ed\u91cf\uff0c\u8fd9\u6837\u4e5f\u6709\u5229\u4e8e\u70ed\u91cf\u5411\u5916\u6563\u53d1\u3002\u800c\u4e14\u6563\u70ed\u7247\u8868\u9762\u7684\u98ce\u901f\u8d8a\u5feb\uff0c\u6563\u70ed\u8d8a\u597d\u3002<\/p>\n

\n\t\"\u6d45\u6790FPGA\u82af\u7247\u7684\u6563\u70ed\u8bbe\u8ba1\"<\/p>\n

\n\t\u7b80\u5316\u7684\u82af\u7247\u70ed\u6d41\u6a21\u578b<\/p>\n

\n\t\u9664\u6b64\u4e4b\u5916\uff0c\u6709\u4e00\u5c0f\u90e8\u5206\u70ed\u91cf\u7ecf\u8fc7\u82af\u7247\u886c\u5e95\u4f20\u5bfc\u5230\u82af\u7247\u7684\u710a\u9521\u7403\u4e0a\uff0c\u518d\u7ecf\u7531PCB<\/u>\u628a\u70ed\u91cf\u6563\u6b65\u5230\u73af\u5883\u4e2d\u3002\u7531\u4e8e\u8fd9\u90e8\u5206\u70ed\u91cf\u6240\u5360\u7684\u6bd4\u4f8b\u6bd4\u8f83\u5c0f\uff0c\u6240\u4ee5\u5728\u4e0b\u9762\u8ba8\u8bba\u82af\u7247\u5c01\u88c5\u548c\u6563\u70ed\u7247\u7684\u70ed\u963b\u65f6\u5c31\u5ffd\u7565\u4e86\u8fd9\u4e00\u90e8\u5206\u3002<\/p>\n

\n\t\u9996\u5148\u9700\u8981\u7406\u89e3“\u70ed\u963b\uff08thermal resistance\uff09”\u7684\u6982\u5ff5\uff0c\u70ed\u963b\u662f\u63cf\u8ff0\u7269\u4f53\u5bfc\u70ed\u7684\u80fd\u529b\uff0c\u70ed\u963b\u8d8a\u5c0f\uff0c\u5bfc\u70ed\u6027\u8d8a\u597d\uff0c\u53cd\u4e4b\u8d8a\u5dee\uff0c\u8fd9\u4e00\u70b9\u6709\u70b9\u7c7b\u4f3c\u7535\u963b<\/u>\u7684\u6982\u5ff5\u3002<\/p>\n

\n\t\u4ece\u82af\u7247\u7684\u7845\u7247\u5230\u73af\u5883\u7684\u70ed\u963b\uff0c\u5047\u8bbe\u6240\u6709\u7684\u70ed\u91cf\u90fd\u6700\u7ec8\u7531\u6563\u70ed\u7247\u6563\u5e03\u5230\u73af\u5883\u4e2d\uff0c\u8fd9\u6837\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u7b80\u5355\u7684\u70ed\u963b\u6a21\u578b\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n

\n\t\"\u6d45\u6790FPGA\u82af\u7247\u7684\u6563\u70ed\u8bbe\u8ba1\"<\/p>\n

\n\t\u5e26\u6563\u70ed\u7247\u7684\u82af\u7247\u6563\u70ed\u6a21\u578b<\/p>\n

\n\t\u4ece\u7845\u7247\u5230\u73af\u5883\u7684\u603b\u70ed\u963b\u79f0\u4e3aJA\uff0c\u56e0\u6b64\u6ee1\u8db3\uff1a<\/p>\n

\n\tJA=JC+CS+SA<\/p>\n

\n\tJC\u662f\u6307\u82af\u7247\u5230\u5916\u5c01\u88c5\u7684\u70ed\u963b\uff0c\u4e00\u822c\u7531\u82af\u7247\u4f9b\u5e94\u5546\u63d0\u4f9b\uff1bCS\u662f\u6307\u82af\u7247\u5916\u5c01\u88c5\u5230\u6563\u70ed\u7247\u7684\u70ed\u963b\uff0c\u5982\u679c\u6563\u70ed\u7247\u91c7\u7528\u5bfc\u70ed\u80f6\u9644\u7740\u5728\u82af\u7247\u8868\u9762\uff0c\u8fd9\u4e2a\u70ed\u963b\u5c31\u662f\u6307\u5bfc\u70ed\u80f6\u7684\u70ed\u963b\uff0c\u4e00\u822c\u7531\u5bfc\u70ed\u80f6\u4f9b\u5e94\u5546\u63d0\u4f9b\uff1bSA\u662f\u6307\u6563\u70ed\u7247\u5230\u73af\u5883\u7684\u70ed\u963b\uff0c\u4e00\u822c\u7531\u6563\u70ed\u7247\u5382\u5bb6\u7ed9\u51fa\u8fd9\u4e2a\u70ed\u963b\u503c\uff0c\u8fd9\u4e2a\u70ed\u963b\u503c\u662f\u968f\u7740\u98ce\u901f\u7684\u63d0\u9ad8\u800c\u964d\u4f4e\u7684\uff0c\u5382\u5bb6\u901a\u5e38\u4f1a\u7ed9\u51fa\u4e0d\u540c\u98ce\u901f\u60c5\u51b5\u4e0b\u7684\u70ed\u963b\u503c\u3002<\/p>\n

\n\t\u82af\u7247\u7684\u5c01\u88c5\u672c\u8eab\u5c31\u662f\u4f5c\u4e3a\u4e00\u4e2a\u6563\u70ed\u88c5\u7f6e\u3002\u5982\u679c\u82af\u7247\u6ca1\u6709\u52a0\u6563\u70ed\u7247\uff0cJA\u5c31\u662f\u7845\u7247\u7ecf\u8fc7\u5916\u5c01\u88c5\uff0c\u518d\u5230\u73af\u5883\u4e2d\u7684\u70ed\u963b\u503c\uff0c\u8fd9\u4e2a\u503c\u663e\u7136\u8981\u5927\u4e8e\u6709\u6563\u70ed\u7247\u662f\u7684JA\u503c\u3002\u8fd9\u4e2a\u503c\u53d6\u51b3\u4e8e\u82af\u7247\u672c\u8eab\u5c01\u88c5\u7684\u7279\u6027\uff0c\u4e00\u822c\u7531\u82af\u7247\u5382\u5bb6\u63d0\u4f9b\u3002<\/p>\n

\n\t\u4e0b\u56fe\u663e\u793a\u4e3aALTERA\u7684STRATIX IV\u5668\u4ef6\u7684\u5c01\u88c5\u70ed\u963b\u3002\u5176\u4e2d\u7ed9\u51fa\u4e86\u5404\u79cd\u98ce\u901f\u4e0b\u7684\u82af\u7247\u7684JA\u503c\uff0c\u8fd9\u4e9b\u503c\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u65e0\u6563\u70ed\u5668\u65f6\u7684\u60c5\u51b5\u3002\u53e6\u5916\uff0c\u5176\u4e2d\u7684JC\u662f\u7528\u6765\u8ba1\u7b97\u5e26\u6563\u70ed\u7247\u65f6\u7684\u603bJA\u503c\u3002<\/p>\n

\n\t\"\u6d45\u6790FPGA\u82af\u7247\u7684\u6563\u70ed\u8bbe\u8ba1\"<\/p>\n

\n\tStraTIx iv\u5668\u4ef6\u5c01\u88c5\u7684\u70ed\u963b<\/p>\n

\n\t\u5047\u8bbe\u7845\u7247\u6d88\u8017\u7684\u529f\u7387\u662fP\uff0c\u5219\uff1a<\/p>\n

\n\tTJ\uff08\u7ed3\u6e29\uff09=TA+P*JA<\/p>\n

\n\t\u9700\u8981\u6ee1\u8db3TJ\u4e0d\u80fd\u8d85\u8fc7\u82af\u7247\u5141\u8bb8\u7684\u6700\u5927\u7684\u7ed3\u6e29\uff0c\u518d\u6839\u636e\u73af\u5883\u6e29\u5ea6\u548c\u82af\u7247\u5b9e\u9645\u6d88\u8017\u7684\u529f\u7387\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u5bf9JA\u6700\u5927\u5141\u8bb8\u7684\u8981\u6c42\u3002<\/p>\n

\n\tJAMax=\uff08TJMax - TA\uff09\/P TA\uff08\u73af\u5883\u6e29\u5ea6\uff09<\/p>\n

\n\t\u5982\u679c\u82af\u7247\u5c01\u88c5\u672c\u8eab\u7684JA\u5927\u4e8e\u8fd9\u4e2a\u503c\uff0c\u90a3\u4e48\u5fc5\u987b\u8003\u8651\u7ed9\u82af\u7247\u52a0\u5408\u9002\u7684\u6563\u70ed\u88c5\u7f6e\uff0c\u4ee5\u964d\u4f4e\u82af\u7247\u5230\u73af\u5883\u7684\u6709\u6548JA\u503c\uff0c\u9632\u6b62\u82af\u7247\u8fc7\u70ed\u3002<\/p>\n

\n\t\u5728\u5b9e\u9645\u7684\u7cfb\u7edf\u4e2d\uff0c\u90e8\u5206\u70ed\u91cf\u4e5f\u4f1a\u4ecePCB\u6563\u51fa\uff0c\u5982\u679cPCB\u5c42\u6570\u591a\uff0c\u9762\u79ef\u8f83\u5927\uff0c\u4e5f\u662f\u975e\u5e38\u6709\u5229\u4e8e\u6563\u70ed\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4efb\u4f55\u82af\u7247\u8981\u5de5\u4f5c\uff0c\u5fc5\u987b\u6ee1\u8db3\u4e00\u4e2a\u6e29\u5ea6\u8303\u56f4\uff0c\u8fd9\u4e2a\u6e29\u5ea6\u662f\u6307\u7845\u7247\u4e0a\u7684\u6e29\u5ea6\uff0c\u901a\u5e38\u79f0\u4e4b\u4e3a\u7ed3\u6e29\uff08junc ti on te mperature\uff09\u3002 ALTERA \u7684 FPGA \u5206\u4e3a\u5546\u7528\u7ea7\uff08commercial\uff09\u548c\u5de5\u4e1a\u7ea7\uff08induatrial\uff09\u4e24\u79cd\uff0c\u5546\u7528\u7ea7<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2160"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2160"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2160\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2160"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}