{"id":1869,"date":"2010-09-17T16:33:10","date_gmt":"2010-09-17T16:33:10","guid":{"rendered":"http:\/\/www.icocean.com\/blog\/?p=1869"},"modified":"1970-01-01T07:00:00","modified_gmt":"1970-01-01T07:00:00","slug":"%E6%95%B0%E5%AD%97ic%E5%90%8E%E7%AB%AF%E8%AE%BE%E8%AE%A1%E6%B5%81%E7%A8%8B","status":"publish","type":"post","link":"https:\/\/www.icocean.com\/blog\/?p=1869","title":{"rendered":"\u6570\u5b57IC\u540e\u7aef\u8bbe\u8ba1\u6d41\u7a0b"},"content":{"rendered":"

1.         \u6570\u636e\u51c6\u5907\u3002\u5bf9\u4e8e CDN \u7684 Silicon Ensemble\u800c\u8a00\u540e\u7aef\u8bbe\u8ba1\u6240\u9700\u7684\u6570\u636e\u4e3b\u8981\u6709\u662f
Foundry\u5382\u63d0\u4f9b\u7684\u6807\u51c6\u5355\u5143\u3001\u5b8f\u5355\u5143\u548cI\/O Pad\u7684\u5e93\u6587\u4ef6,\u5b83\u5305\u62ec\u7269\u7406\u5e93\u3001\u65f6\u5e8f\u5e93\u53ca\u7f51\u8868\u5e93
,\u5206\u522b\u4ee5.lef\u3001.tlf\u548c.v\u7684\u5f62\u5f0f\u7ed9\u51fa\u3002\u524d\u7aef\u7684\u82af\u7247\u8bbe\u8ba1\u7ecf\u8fc7\u7efc\u5408\u540e\u751f\u6210\u7684\u95e8\u7ea7\u7f51\u8868,\u5177\u6709
\u65f6\u5e8f\u7ea6\u675f\u548c\u65f6\u949f\u5b9a\u4e49\u7684\u811a\u672c\u6587\u4ef6\u548c\u7531\u6b64\u4ea7\u751f\u7684.gcf\u7ea6\u675f\u6587\u4ef6\u4ee5\u53ca\u5b9a\u4e49\u7535\u6e90Pad\u7684DEF\uff08Desi
gn Exchange Format\uff09\u6587\u4ef6\u3002(\u5bf9synopsys \u7684Astro \u800c\u8a00, \u7ecf\u8fc7\u7efc\u5408\u540e\u751f\u6210\u7684\u95e8\u7ea7\u7f51\u8868,
\u65f6\u5e8f\u7ea6\u675f\u6587\u4ef6 SDC \u662f\u4e00\u6837\u7684,Pad\u7684\u5b9a\u4e49\u6587\u4ef6–tdf   , .tf \u6587\u4ef6 –technology file,
Foundry\u5382\u63d0\u4f9b\u7684\u6807\u51c6\u5355\u5143\u3001\u5b8f\u5355\u5143\u548cI\/O Pad\u7684\u5e93\u6587\u4ef6 \u5c31\u4e0eFRAM, CELL view, LM view
\u5f62\u5f0f\u7ed9\u51fa(Milkway \u53c2\u8003\u5e93 and DB, LIB file)<\/p>\n

2.         \u5e03\u5c40\u89c4\u5212\u3002\u4e3b\u8981\u662f\u6807\u51c6\u5355\u5143\u3001I\/O Pad\u548c\u5b8f\u5355\u5143\u7684\u5e03\u5c40\u3002I\/O Pad\u9884\u5148\u7ed9\u51fa\u4e86\u4f4d
\u7f6e,\u800c\u5b8f\u5355\u5143\u5219\u6839\u636e\u65f6\u5e8f\u8981\u6c42\u8fdb\u884c\u6446\u653e,\u6807\u51c6\u5355\u5143\u5219\u662f\u7ed9\u51fa\u4e86\u4e00\u5b9a\u7684\u533a\u57df\u7531\u5de5\u5177\u81ea\u52a8\u6446\u653e
\u3002\u5e03\u5c40\u89c4\u5212\u540e,\u82af\u7247\u7684\u5927\u5c0f,Core\u7684\u9762\u79ef,Row\u7684\u5f62\u5f0f\u3001\u7535\u6e90\u53ca\u5730\u7ebf\u7684Ring\u548cStrip\u90fd\u786e\u5b9a
\u4e0b\u6765\u4e86\u3002\u5982\u679c\u5fc5\u8981 \u5728\u81ea\u52a8\u653e\u7f6e\u6807\u51c6\u5355\u5143\u548c\u5b8f\u5355\u5143\u4e4b\u540e, \u4f60\u53ef\u4ee5\u5148\u505a\u4e00\u6b21PNA(power netw
ork analysis\uff09–IR drop and EM .<\/p>\n

3.         Placement -\u81ea\u52a8\u653e\u7f6e\u6807\u51c6\u5355\u5143\u3002\u5e03\u5c40\u89c4\u5212\u540e,\u5b8f\u5355\u5143\u3001I\/O Pad\u7684\u4f4d\u7f6e\u548c\u653e\u7f6e
\u6807\u51c6\u5355\u5143\u7684\u533a\u57df\u90fd\u5df2\u786e\u5b9a,\u8fd9\u4e9b\u4fe1\u606fSE\uff08Silicon Ensemble\uff09\u4f1a\u901a\u8fc7DEF\u6587\u4ef6\u4f20\u9012\u7ed9PC(Ph
ysical Compiler),PC\u6839\u636e\u7531\u7efc\u5408\u7ed9\u51fa\u7684.DB\u6587\u4ef6\u83b7\u5f97\u7f51\u8868\u548c\u65f6\u5e8f\u7ea6\u675f\u4fe1\u606f\u8fdb\u884c\u81ea\u52a8\u653e\u7f6e\u6807
\u51c6\u5355\u5143,\u540c\u65f6\u8fdb\u884c\u65f6\u5e8f\u68c0\u67e5\u548c\u5355\u5143\u653e\u7f6e\u4f18\u5316\u3002\u5982\u679c\u4f60\u7528\u7684\u662fPC +Astro
\u90a3\u4f60\u53ef\u7528write_milkway, read_milkway   \u4f20\u9012\u6570\u636e\u3002<\/p>\n

4.         \u65f6\u949f\u6811\u751f\u6210(CTS Clock tree synthesis) \u3002\u82af\u7247\u4e2d\u7684\u65f6\u949f\u7f51\u7edc\u8981\u9a71\u52a8\u7535\u8def\u4e2d\u6240
\u6709\u7684\u65f6\u5e8f\u5355\u5143,\u6240\u4ee5\u65f6\u949f\u6e90\u7aef\u95e8\u5355\u5143\u5e26\u8f7d\u5f88\u591a,\u5176\u8d1f\u8f7d\u5ef6\u65f6\u5f88\u5927\u5e76\u4e14\u4e0d\u5e73\u8861,\u9700\u8981\u63d2\u5165\u7f13
\u51b2\u5668\u51cf\u5c0f\u8d1f\u8f7d\u548c\u5e73\u8861\u5ef6\u65f6\u3002\u65f6\u949f\u7f51\u7edc\u53ca\u5176\u4e0a\u7684\u7f13\u51b2\u5668\u6784\u6210\u4e86\u65f6\u949f\u6811\u3002\u4e00\u822c\u8981\u53cd\u590d\u51e0\u6b21\u624d\u53ef
\u4ee5\u505a\u51fa\u4e00\u4e2a\u6bd4\u8f83\u7406\u60f3\u7684\u65f6\u949f\u6811\u3002—Clock skew.
            
5.         STA \u9759\u6001\u65f6\u5e8f\u5206\u6790\u548c\u540e\u4eff\u771f\u3002\u65f6\u949f\u6811\u63d2\u5165\u540e,\u6bcf\u4e2a\u5355\u5143\u7684\u4f4d\u7f6e\u90fd\u786e\u5b9a\u4e0b\u6765\u4e86,
\u5de5\u5177\u53ef\u4ee5\u63d0\u51faGlobal Route\u5f62\u5f0f\u7684\u8fde\u7ebf\u5bc4\u751f\u53c2\u6570,\u6b64\u65f6\u5bf9\u5ef6\u65f6\u53c2\u6570\u7684\u63d0\u53d6\u5c31\u6bd4\u8f83\u51c6\u786e\u4e86\u3002
SE\u628a.V\u548c.SDF\u6587\u4ef6\u4f20\u9012\u7ed9PrimeTime\u505a\u9759\u6001\u65f6\u5e8f\u5206\u6790\u3002\u786e\u8ba4\u6ca1\u6709\u65f6\u5e8f\u8fdd\u89c4\u540e,\u5c06\u8fd9\u6765\u4e24\u4e2a\u6587
\u4ef6\u4f20\u9012\u7ed9\u524d\u7aef\u4eba\u5458\u505a\u540e\u4eff\u771f\u3002\u5bf9Astro \u800c\u8a00,\u5728detail routing \u4e4b\u540e, \u7528starRC XT \u53c2
\u6570\u63d0\u53d6,\u751f\u6210\u7684E.V\u548c.SDF\u6587\u4ef6\u4f20\u9012\u7ed9PrimeTime\u505a\u9759\u6001\u65f6\u5e8f\u5206\u6790,\u90a3\u5c06\u4f1a\u66f4\u51c6\u786e\u3002<\/p>\n

6.         ECO(Engineering Change Order)\u3002\u9488\u5bf9\u9759\u6001\u65f6\u5e8f\u5206\u6790\u548c\u540e\u4eff\u771f\u4e2d\u51fa\u73b0\u7684\u95ee\u9898,
\u5bf9\u7535\u8def\u548c\u5355\u5143\u5e03\u5c40\u8fdb\u884c\u5c0f\u8303\u56f4\u7684\u6539\u52a8.<\/p>\n

7.         Filler\u7684\u63d2\u5165(pad fliier, cell filler)\u3002Filler\u6307\u7684\u662f\u6807\u51c6\u5355\u5143\u5e93\u548cI\/O P
ad\u5e93\u4e2d\u5b9a\u4e49\u7684\u4e0e\u903b\u8f91\u65e0\u5173\u7684\u586b\u5145\u7269,\u7528\u6765\u586b\u5145\u6807\u51c6\u5355\u5143\u548c\u6807\u51c6\u5355\u5143\u4e4b\u95f4,I\/O Pad\u548cI\/O P
ad\u4e4b\u95f4\u7684\u95f4\u9699,\u5b83\u4e3b\u8981\u662f\u628a\u6269\u6563\u5c42\u8fde\u63a5\u8d77\u6765,\u6ee1\u8db3DRC\u89c4\u5219\u548c\u8bbe\u8ba1\u9700\u8981\u3002<\/p>\n

8.         \u5e03\u7ebf(Routing)\u3002Global route– Track assign –Detail routing–Routing
optimization \u5e03\u7ebf\u662f\u6307\u5728\u6ee1\u8db3\u5de5\u827a\u89c4\u5219\u548c\u5e03\u7ebf\u5c42\u6570\u9650\u5236\u3001\u7ebf\u5bbd\u3001\u7ebf\u95f4\u8ddd\u9650\u5236\u548c\u5404\u7ebf\u7f51\u53ef
\u9760\u7edd\u7f18\u7684\u7535\u6027\u80fd\u7ea6\u675f\u7684\u6761\u4ef6\u4e0b,\u6839\u636e\u7535\u8def\u7684\u8fde\u63a5\u5173\u7cfb\u5c06\u5404\u5355\u5143\u548cI\/O Pad\u7528\u4e92\u8fde\u7ebf\u8fde\u63a5\u8d77\u6765
,\u8fd9\u4e9b\u662f\u5728\u65f6\u5e8f\u9a71\u52a8(Timing driven ) \u7684\u6761\u4ef6\u4e0b\u8fdb\u884c\u7684,\u4fdd\u8bc1\u5173\u952e\u65f6\u5e8f\u8def\u5f84\u4e0a\u7684\u8fde\u7ebf\u957f\u5ea6
\u80fd\u591f\u6700\u5c0f\u3002–Timing report clear<\/p>\n

9.         Dummy Metal\u7684\u589e\u52a0\u3002Foundry\u5382\u90fd\u6709\u5bf9\u91d1\u5c5e\u5bc6\u5ea6\u7684\u89c4\u5b9a,\u4f7f\u5176\u91d1\u5c5e\u5bc6\u5ea6\u4e0d\u8981\u4f4e
\u4e8e\u4e00\u5b9a\u7684\u503c,\u4ee5\u9632\u5728\u82af\u7247\u5236\u9020\u8fc7\u7a0b\u4e2d\u7684\u523b\u8680\u9636\u6bb5\u5bf9\u8fde\u7ebf\u7684\u91d1\u5c5e\u5c42\u8fc7\u5ea6\u523b\u8680\u4ece\u800c\u964d\u4f4e\u7535\u8def\u7684
\u6027\u80fd\u3002\u52a0\u5165Dummy Metal\u662f\u4e3a\u4e86\u589e\u52a0\u91d1\u5c5e\u7684\u5bc6\u5ea6\u3002<\/p>\n

10.         DRC\u548cLVS\u3002DRC\u662f\u5bf9\u82af\u7247\u7248\u56fe\u4e2d\u7684\u5404\u5c42\u7269\u7406\u56fe\u5f62\u8fdb\u884c\u8bbe\u8ba1\u89c4\u5219\u68c0\u67e5(spacing ,
width),\u5b83\u4e5f\u5305\u62ec\u5929\u7ebf\u6548\u5e94\u7684\u68c0\u67e5,\u4ee5\u786e\u4fdd\u82af\u7247\u6b63\u5e38\u6d41\u7247\u3002LVS\u4e3b\u8981\u662f\u5c06\u7248\u56fe\u548c\u7535\u8def\u7f51\u8868\u8fdb
\u884c\u6bd4\u8f83,\u6765\u4fdd\u8bc1\u6d41\u7247\u51fa\u6765\u7684\u7248\u56fe\u7535\u8def\u548c\u5b9e\u9645\u9700\u8981\u7684\u7535\u8def\u4e00\u81f4\u3002DRC\u548cLVS\u7684\u68c0\u67e5–EDA\u5de5\u5177
Synopsy hercules\/ mentor calibre\/ CDN Dracula\u8fdb\u884c\u7684.Astro also include LVS\/DRC
check commands.<\/p>\n

11.         Tape out\u3002\u5728\u6240\u6709\u68c0\u67e5\u548c\u9a8c\u8bc1\u90fd\u6b63\u786e\u65e0\u8bef\u7684\u60c5\u51b5\u4e0b\u628a\u6700\u540e\u7684\u7248\u56feGDS\u2161\u6587\u4ef6\u4f20
\u9012\u7ed9Foundry\u5382\u8fdb\u884c\u63a9\u819c\u5236\u9020<\/p>\n","protected":false},"excerpt":{"rendered":"

1.         \u6570\u636e\u51c6\u5907 […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1869","post","type-post","status-publish","format-standard","hentry","category-semiworld","category-7-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1869"}],"version-history":[{"count":0,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1869\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}