{"id":10800,"date":"2020-11-16T13:54:04","date_gmt":"2020-11-16T05:54:04","guid":{"rendered":"https:\/\/etron.com\/news_list\/%e4%bb%a5%e6%96%b0%e5%9e%8bdram%e5%af%a6%e7%8f%be%e5%8d%b3%e6%99%82%e8%a6%96%e8%a8%8a%e8%99%95%e7%90%86swap-c%e6%9c%80%e4%bd%b3%e5%8c%96\/"},"modified":"2022-07-20T21:57:17","modified_gmt":"2022-07-20T13:57:17","slug":"%e4%bb%a5%e6%96%b0%e5%9e%8bdram%e5%af%a6%e7%8f%be%e5%8d%b3%e6%99%82%e8%a6%96%e8%a8%8a%e8%99%95%e7%90%86swap-c%e6%9c%80%e4%bd%b3%e5%8c%96","status":"publish","type":"news_list","link":"https:\/\/etron.com\/zh-hans\/news_list\/%e4%bb%a5%e6%96%b0%e5%9e%8bdram%e5%af%a6%e7%8f%be%e5%8d%b3%e6%99%82%e8%a6%96%e8%a8%8a%e8%99%95%e7%90%86swap-c%e6%9c%80%e4%bd%b3%e5%8c%96\/","title":{"rendered":"\u3010\u7535\u5b50\u5de5\u7a0b\u4e13\u8f91\u3011\u4ee5\u65b0\u578bDRAM\u5b9e\u73b0\u5373\u65f6\u89c6\u8baf\u5904\u7406SWaP-C\u6700\u4f73\u5316"},"content":{"rendered":"
\n
\n
\n
\n

\"\"<\/p>\n

RPC DRAM\u662f\u4e00\u79cd\u65b0\u7684DRAM\u67b6\u6784\uff0c\u867d\u7136\u5e02\u573a\u5bf9\u5b83\u5e76\u4e0d\u719f\u6089\uff0c\u4f46\u5b83\u5c06\u5c55\u73b0\u80fd\u4e3a\u7ec8\u7aef\u89c6\u8baf\u5904\u7406\u8282\u70b9\u63d0\u4f9b\u6700\u4f73\u6574\u4f53SWaP-C\u7684\u4f18\u52bf\u3002<\/p>\n<\/div>\n

\u5728\u5148\u524d\u7684\u300c\u4e3a\u5373\u65f6\u89c6\u8baf\u5904\u7406\u9009\u62e9SWaP-C\u6700\u4f73\u5316\u65b9\u6848<\/a><\/strong>\u300d\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u6ce8\u610f\u5230\u8fd0\u7b97\u5904\u7406\u6b63\u671d\u5411\u8fb9\u7f18(Edge)\uff0c\u5e76\u5c06\u66f4\u8fdb\u4e00\u6b65\u8fdb\u5165\u7ec8\u7aef(Endpoint)\u3002\u5b9e\u4f5c\u8bc1\u660e\uff0c\u900f\u8fc7\u91c7\u7528\u5206\u5e03\u5f0f\u67b6\u6784\u3001\u5373\u672c\u5730\u5316\u7684\u7ec8\u7aef\u5904\u7406\u65b9\u6848\uff0c\u6bd4\u8d77\u4ee5\u9488\u5bf9\u591a\u5a92\u4f53\u5904\u7406\u6700\u4f73\u5316\u7684\u73b0\u6210\u5546\u7528\u8fb9\u7f18\u5904\u7406\u5668\uff0c\u80fd\u6709\u673a\u4f1a\u8fdb\u4e00\u6b65\u964d\u4f4e\u6574\u4f53\u5c3a\u5bf8\u3001\u91cd\u91cf\u3001\u529f\u7387\u53ca\u6210\u672c(Size\u3001Weight\u3001Power\u4e0eCost\uff0c\u7b80\u79f0SWaP-C)\u3002<\/p>\n

\u82e5\u91c7\u7528\u8d44\u6e90\u9980\u91cf(Headroom)\u591a\u7684\u9009\u62e9\uff0c\u521a\u5f00\u59cb\u7684\u96f6\u4ef6\u5f00\u9500\u53ef\u80fd\u4f1a\u5f88\u4fbf\u5b9c\uff0c\u4f46\u662f\u6700\u7ec8\u53ef\u80fd\u4f1a\u6d88\u8017\u66f4\u591a\u7684\u603b\u529f\u7387\uff0c\u4e14\u5728\u91cd\u91cf\u66f4\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u4f54\u7528\u66f4\u591a\u7684XYZ\u7a7a\u95f4\uff0c\u4e14\u53ef\u80fd\u4f1a\u4ea7\u751f\u70ed\u6e90\u96c6\u4e2d\u7684\u6563\u70ed\u95ee\u9898\u3002\u8fdb\u884cSWaP-C\u5206\u6790\u5c06\u63ed\u6653\u60c5\u51b5\u662f\u5426\u5982\u6b64\uff1b\u8bb0\u5fc6\u4f53\u662f\u6700\u53ef\u80fd\u88ab\u8fc7\u5ea6\u914d\u7f6e\u7684\u5143\u4ef6\u4e4b\u4e00\uff0c\u6211\u4eec\u5c06\u5c55\u793a\u5b83\u5982\u4f55\u4ee5\u591a\u79cd\u65b9\u5f0f\u52a0\u5267\u5f71\u54cdSWaP-C\u3002\u6211\u4eec\u4e5f\u5c06\u8ba8\u8bba\u53ef\u89e3\u51b3\u6b64\u4e00\u95ee\u9898\u7684\u65b0\u578bDRAM\u3002<\/p>\n

RPC DRAM<\/h3>\n

RPC DRAM\u662f\u4e00\u79cd256Mb\u5143\u4ef6\uff0c\u63d0\u4f9bx16\u8d44\u6599\u6c47\u6d41\u6392\uff0c\u53ef\u4f7f\u7528DDR\u63a5\u53e3\u4e4b\u8baf\u53f7\u8fd0\u4f5c\u3002\u65f6\u8109\u9891\u7387\u6700\u9ad8\u53ef\u8fbe1200MHz (DDR2400)\uff0c\u53ef\u4f7f\u5355\u4e00\u5143\u4ef6\u9891\u5bbd\u9ad8\u8fbe4800MB\/\u79d2\u3002\u8be5DRAM\u7531\u56db\u4e2a\u50a8\u5b58\u8bb0\u5fc6\u5e93(four-bank)\u6240\u7ec4\u6210\uff0c\u5e76\u53ef\u50cf\u6807\u51c6DDR\/LPDDR DRAM\u4e00\u6837\uff0c\u6267\u884c\u91cd\u53e0\u7684\u884c\u548c\u5217\u8fd0\u4f5c\u3002<\/p>\n<\/div>\n

\u5982\u679c\u4f7f\u7528\u8d44\u6599\u4f4d\u5143\u7ec4(8-bit)\u7684\u8d44\u6599\u9009\u901a(data strobes)\u8baf\u53f7\uff0c\u5219RPC DRAM\u5177\u670924\u4e2a\u5207\u6362\u8baf\u53f7\u63a5\u53e3\uff1b\u5982\u679c\u9009\u752816-bit\u7684data strobes\u8baf\u53f7\u6a21\u5f0f\uff0c\u5219RPC DRAM\u5177\u670922-\u63a5\u811a\u63a5\u53e3\u3002<\/p>\n

\u5c01\u88c5<\/h3>\n

RPC DRAM\u9009\u7528\u7684\u5c01\u88c5\u578b\u5f0f\u5982\u4e0b\u56fe\u3002\u53f3\u8fb9\u662f\u6807\u51c6\u768496\u63a5\u811aBGA\u5c01\u88c5\uff0c\u4f53\u79ef\u5927\u7ea69 x 13 mm BGA\uff0c\u4e0e\u7528\u4e8ex16\u89c4\u683c\u4e4bDDR3\/DDR4 DRAM\u4e00\u6837\u7684\u5c01\u88c5\uff1b\u5728\u67d0\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u8be5\u5c01\u88c5\u4e2d\u7684RPC DRAM\u53ef\u4e0eDDR3\u4e92\u6362\u3002\u6700\u5de6\u8fb9\u662f50\u63a5\u811a\u76841.96 x 2.63mm\u6676\u5706\u7ea7\u6676\u7c92\u5c3a\u5bf8\u5c01\u88c5(WLCSP)\uff0c\u8fd9\u662f\u7b2c\u4e00\u4e2a\u91c7\u7528\u8fd9\u79cd\u5c01\u88c5\u7684DRAM\u3002\u7d27\u63a5\u5728\u65c1\u7684\u88f8\u6676(KGD)\u578b\uff0c\u901a\u5e38\u7528\u4e8e\u88f8\u6676\u5806\u53e0\u4e4b\u591a\u82af\u7247\u5c01\u88c5(MCP)\u4e2d\u3002<\/p>\n

\"\"<\/p>\n

RPC DRAM\u5c01\u88c5\u3002<\/strong><\/p>\n<\/div>\n

\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u56e0\u4e3a\u63a5\u811a\u6570\u5c11\uff0c\u6240\u6709\u7684\u63a5\u811a\u710a\u76d8\u96c6\u4e2d\u4e8e\u88f8\u6676\u957f\u65b9\u5f62\u77ed\u8fb9(\u5e95\u90e8)\u8fb9\u7f18\u3002\u800c\u65c1\u8fb9\u7684\u662f\u5c0f\u578b54\u63a5\u811aBGA\uff0c\u5c3a\u5bf8\u662f8\u00d78 mm\u3002\u5b83\u7ed3\u5408\u4e86\u7f29\u5c0f\u5c01\u88c5\u5c3a\u5bf8\u53caDDR3\/DDR4 DRAM\u5c01\u88c5\u4e8e0.8mm\u63a5\u811a\u95f4\u8ddd\u5c01\u88c5\u6280\u672f\uff0c\u4ece\u800c\u964d\u4f4ePCB\u5236\u9020\u4e4b\u6210\u672c\u3002<\/p>\n

RPC DRAM\u7684\u529f\u8017\u4f18\u52bf<\/strong><\/h3>\n

\u5c31\u529f\u8017\u800c\u8a00\uff0c\u4e0e\u4f7f\u7528x16 DDR3\/DDR4\u6216x16 \/ x32 LPDDR3\/LPDDR2\u6216\u5176\u5b83\u7c7b\u4f3c\u9891\u5bbd\u7684\u8bb0\u5fc6\u4f53\u6b21\u7cfb\u7edf\u76f8\u6bd4\uff0cRPC DRAM\u4f7f\u7528\u7684\u8fd0\u4f5c\u7535\u6d41\u6700\u5c11\u3002<\/p>\n

\u4e0d\u5de7\u7684\u662f\uff0c\u8fd9\u4e9bDDR\/LPDDR\u7c7b\u578b\u7684\u8bb0\u5fc6\u4f53\u901a\u5e38\u65e0\u6cd5\u63d0\u4f9b\u4f4e\u4e8e1Gb\u7684\u5bb9\u91cf\uff0c\u800c\u67d0\u4e9b\u8bb0\u5fc6\u4f53(\u5982DDR4)\u5bb9\u91cf\u4ece\u6700\u5c0f\u76844Gbit\u8d77\u8df3\u3002\u56e0\u6b64\uff0c\u4ec5\u6839\u636e\u9891\u5bbd\u800c\u9009\u62e9\u7684DDR3\uff0cLPDDR3\u6216DDR4\u89e3\u51b3\u65b9\u6848\u901a\u5e38\u610f\u5473\u7740\u4e3a\u63d0\u4f9b\u5b9e\u9645\u5de5\u4f5c\u6240\u9700\u7684bits\u6570\u8981\u591a\u5f97\u591a\uff0c\u8fd9\u5c06\u4f1a\u5f92\u589e\u8bb8\u591a\u4e0d\u5fc5\u8981\u7684\u529f\u8017\u3002<\/p>\n

\u4e3e\u4f8b\u800c\u8a00\uff0c\u7528\u4e8e4K60\u5f71\u50cf\u4e4b\u57fa\u51c6\u5f71\u683c\u7f13\u51b2(frame buffer)\u8bbe\u8ba1\u901a\u5e38\u9700\u8981\u5927\u7ea6200Mbit\uff0c\u5e76\u4e14\u9700\u8981\u5728DDR667\u548cDDR1600\u4e4b\u95f4\u8fd0\u4f5c\u7684x16\u6c47\u6d41\u6392\u7684\u9891\u5bbd\u3002\u901a\u5e38\u9700\u4f7f\u75281\u30012\u62164Gbit DDR\/LPDDR\u7c7b\u578b\u7684DRAM\uff1a\u867d\u7136\u4f1a\u6d6a\u8d39\u80fd\u6e90\u6216\u82af\u7247\u4f54\u4f4d\u9762\u79ef\uff0c\u4f46\u8fd9\u662f\u622a\u81f3\u76ee\u524d\u4e3a\u6b62\u6700\u597d\u7684\u9009\u62e9\u4e4b\u4e00\u3002<\/p>\n

\u76f8\u8f83\u4e4b\u4e0b\uff0cRPC DRAM\u7684\u5bb9\u91cf\u548c\u9891\u5bbd\u975e\u5e38\u9002\u5408\u505a\u4e3a\u5f71\u50cf\u7f13\u51b2\u5e94\u7528\uff1a\u5bb9\u91cf\u4e3a256 Mbit\uff0c\u5176x16 DDR\u578b\u63a5\u53e3\uff0c\u8fd0\u4f5c\u901f\u5ea6\u9ad8\u8fbeDDR2400 (MT\/s)\u3002\u4f7f\u7528WLCSP\uff0c\u4e0e\u5927\u5bb9\u91cfDRAM\u76f8\u6bd4\uff0cPCB\u6240\u4f54\u9762\u79ef\u66f4\u5c0f\uff0c\u4e14\u6240\u9700\u7535\u6d41\u662f\u9009\u62e9\u65b9\u6848\u4e2d\u6700\u5c11\u7684\u3002<\/p>\n

\u4f7f\u7528RPC DRAM\u8fdb\u884c\u5f71\u50cf\u7f13\u51b2\u610f\u5473\u7740\u5728\u5f71\u683c\u7f13\u51b2RAM\u4e2d\u6d6a\u8d39\u6389\u7684\u4f4d\u5143\u6570\u66f4\u5c11\uff0c\u8fdb\u800c\u51cf\u5c11\u529f\u8017\uff0c\u5e76\u4e14\u5728\u4e3b\u52a8\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5207\u6362\u7684\u8baf\u53f7\u6570\u66f4\u5c11\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u4e24\u8005\u5747\u53ef\u4ee5\u663e\u7740\u5730\u8282\u7701\u529f\u7387\u3002<\/p>\n

\n

\"\"<\/p>\n

DRAM\u7a81\u53d1\u8bfb\u53d6\u7535\u6d41\u4e0eDRAM\u63a5\u811a\u901f\u5ea6\u7684\u5173\u8054\u3002<\/strong><\/p>\n<\/div>\n

\u8bb0\u5fc6\u4f53\u6b21\u7cfb\u7edf\u6bd4\u8f83\uff1a\u7535\u6d41\u6d88\u8017\u56fe<\/h3>\n

\u6839\u636e\u4f4d\u5143\u6570\u548c\u9891\u5bbd\u6765\u8003\u91cf4K\/60\u8282\u70b9\u7684\u8bb0\u5fc6\u4f53\u9009\u62e9\u3002\u5bf9\u4e8e16\u4f4d\u5143\u5f69\u8272\u6df1\u5ea6\u5927\u7ea6\u9700\u8981133 Mbit\uff0c\u5e76\u4e14\u5728\u5f71\u50cf\u8f93\u5165\u8baf\u6846(\u4f8b\u5982\u4f20\u9012\u8baf\u606f180 f\/s)\u65f6\u95f4\u5185\u4e24\u4e2a\u5b8c\u5168\u5199\u5165\u53ca\u8bfb\u53d6\u4e00\u4e2a\u5b8c\u6574\u7684\u5f71\u50cf\u8baf\u6846\uff0c\u5927\u6982\u9700\u8981\u4e00\u4e2a16\u4f4d\u5143\u63a5\u53e3\u64cd\u4f5c\u4e8eDDR1550 MT\/s\u3002<\/p>\n

\u67d0\u4e9bFPGA\u65e0\u6cd5\u8fd0\u4f5c\u4e8eDDR3\u578b\u8bb0\u5fc6\u4f53\u7b49\u7ea7\u7684\u65f6\u8109\u9891\u7387\u3002\u56e0\u6b64\uff0c\u5168\u901f\u8fd0\u4f5c\u65f6\u5fc5\u987b\u4f7f\u7528\u5927\u7ea6\u4e24\u500d\u7684\u6570\u636e\u9891\u5bbd\u6765\u8865\u507f\u64cd\u4f5c\u9891\u7387\u7684\u4e0d\u8db3\u3002\u4e3a\u6b64\uff0c\u5bfc\u516516-bit\u53ca32-bit\u5927\u7684DDR3 DRAM\u5e94\u91cd\u65b0\u88ab\u68c0\u89c6\u3002\u6b64\u6848\u6240\u8003\u8651\u7684JEDEC\u6807\u51c6\u8bb0\u5fc6\u4f53IC\u6709\uff1a1 Gbit x16 DDR3\u30011 Gbit x32 LPDDR3\u30011 Gbit x16 LPDDR3\u30012 Gbit x32 LPDDR2\u30014 Gbit x32 LPDDR3\u30014 Gbit x16 DDR4\u548c8 Gbit x16 DDR4\u3002<\/p>\n

\u8fd9\u4e9bJEDEC\u6807\u51c6\u578bDRAM\u7684\u67d0\u4e9b\u5143\u4ef6\u5904\u4e8e\u5176\u5236\u9020\u5bff\u547d\u7684\u65e9\u671f\uff0c\u800c\u6709\u4e9b\u5219\u63a5\u8fd1\u5c3e\u58f0\u3002\u800c\u6240\u8003\u8651\u7684\u975e\u6807\u51c6\u578bDRAM\u662f256 Mbit x16 RPC DRAM\u548c64 Mbit x8 HyperRAM\u3002\u4e0a\u56fe\u662f\u5728\u7a81\u53d1\u8bfb\u53d6\u8fd0\u4f5c\u671f\u95f4\u6839\u636e\u5355\u4e2a\u8bb0\u5fc6\u4f53\u7684\u5de5\u4f5c\u7535\u6d41\u4e4b\u6bd4\u8f83\u56fe\uff0c\u8f83\u5c11\u7684\u5207\u6362IO\u4e0e\u8f83\u5c11\u7684\u901a\u7535\u4f4d\u5143\u76f8\u7ed3\u5408\uff0c\u610f\u5473\u7740RPC DRAM\u5728\u7ed9\u5b9a\u7684\u65f6\u8109\u9891\u7387\u4e0b\u4f7f\u7528\u6700\u5c11\u7684\u7535\u6d41\u3002\u8981\u638c\u63e1\u66f4\u5b8c\u6574\u7684\u6837\u8c8c\uff0c\u89c2\u5bdf\u5355\u4e2a\u8bb0\u5fc6\u4f53\u7684\u9891\u5bbd\u8db3\u53ef\u6536\u6548\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n

\n

\"\"<\/p>\n

DRAM\u7a81\u53d1\u8bfb\u53d6\u7535\u6d41\u4e0e\u5355\u4e2aDRAM\u9891\u5bbd\u7684\u5173\u7cfb\u3002<\/strong><\/p>\n<\/div>\n

\u4e0a\u56fe\u6bd4\u8f83\u4e86\u76f8\u540c\u7684DRAM\uff0c\u4f46\u7ed8\u5236\u4e86\u7a81\u53d1\u5de5\u4f5c\u7535\u6d41\u4e0e\u5355\u4e2a\u8bb0\u5fc6\u4f53\u9891\u5bbd\u7684\u5173\u8054\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u53d6\u5f97DRAM\u6c47\u6d41\u6392\u5bbd\u5ea6\u5bf9\u7cfb\u7edf\u9891\u5bbd\u7684\u5f71\u54cd\uff0c\u8fdb\u800c\u8bc4\u4f30\u9700\u8981\u5927\u91cf\u9891\u5bbd\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684\u8bb0\u5fc6\u4f53\u9009\u62e9\u65b9\u6848\uff0c\u5728\u76f8\u540c\u7684\u57fa\u7840\u4e0a\u5bf9x8\u3001x16\u548cx32\u8bb0\u5fc6\u4f53\u7ec4\u4e4bDRAM\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n

\u4e0b\u56fe\u663e\u793a\u4e86\u4e0d\u540c\u7684\u7cfb\u7edf\u5bf9x32\u7684\u8f93\u51fa\u6240\u9700\u914d\u7f6e\u7684\u5de5\u4f5c\u7535\u6d41\u3002\u8fd9\u4e9b\u6bd4\u8f83\u7528\u4e8e\u9009\u62e9\u4e3a\u4e86\u6ee1\u8db3\u7279\u5b9a\u7684\u89c6\u8baf\u7f13\u51b2\u5668\u9891\u5bbd\u548c\u5bb9\u91cf\u6240\u9700\u8bb0\u5fc6\u4f53IC\u5b9e\u4f53\u914d\u7f6ex32\u7684\u603b\u5de5\u4f5c\u7535\u6d41\u3002\u4e3a\u8bc4\u4f30\u4f7f\u7528x32\u5143\u4ef6\u7684\u8bbe\u8ba1\uff0c\u7ed8\u5236\u4e86\u5355\u4e2a\u5143\u4ef6\u7684\u7a81\u53d1\u8bfb\u53d6\u5de5\u4f5c\u7535\u6d41\u3002 \u5bf9\u4e8e\u7531x16\u5143\u4ef6\u5236\u6210\u7684\u8bb0\u5fc6\u4f53\u7cfb\u7edf\uff0c\u5219\u7ed8\u5236\u4e86\u4e24\u4e2a\u6b64\u7c7b\u5143\u4ef6\u7684\u7535\u6d41\uff0c\u800c\u5bf9\u4e8ex8s\uff0c\u5219\u7ed8\u5236\u4e86\u56db\u4e2a\u6b64\u7c7b\u5143\u4ef6\u7684\u7535\u6d41\u3002<\/p>\n

\n

\"\"<\/p>\n

x32DRAM\u7ec4\u7a81\u53d1\u8bfb\u53d6\u7535\u6d41\u4e0e\u7cfb\u7edf\u9891\u5bbd\u4e4b\u5173\u8054\u3002<\/strong><\/p>\n

 <\/p>\n

\u663e\u7136\uff0c\u65e0\u8bba\u5982\u4f55\u6bd4\u8f83\u8fd9\u4e9b\u4f4e\u5bc6\u5ea6\u7f13\u51b2DRAM\uff0cRPC DRAM\u90fd\u4e3a\u8fd9\u4e9b\u9ad8\u9891\u5bbd\u4f46\u4f4e\u5bb9\u91cf\u7684\u7f13\u51b2\u5e94\u7528\u63d0\u4f9b\u4e86\u9002\u7528\u914d\u7f6e\u4e2d\u6700\u4f4e\u7684\u5de5\u4f5c\u7535\u6d41\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u8bda\u5982\u524d\u8ff0\uff0c\u4e00\u4e2a4K\u89c6\u8baf\u7f13\u51b2\u533a\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u53ea\u9700\u8981200 megabits\uff0c\u800c\u4e00\u4e9b\u89e3\u51b3\u65b9\u6848\u6700\u7ec8\u9009\u62e94 Gigabit\u8bbe\u5907\u7684\u539f\u56e0\u662f\u9891\u5bbd\u548c\u5e02\u573a\u4e0a\u53ef\u53d6\u5f97\u7684\u4ea7\u54c1\uff0c\u5374\u4e0d\u662f\u4ee5\u5bb9\u91cf\u9700\u6c42\u4e3a\u8003\u91cf\uff0c\u4ee5\u81f4\u4e8e\u76f8\u5173\u7684\u529f\u7387\u3001\u9762\u79ef\u500d\u589e\uff0c\u7a81\u589e\u4e0d\u5fc5\u8981\u7684\u6210\u672c\u3002\u5982\u56fe\u6240\u793a\uff0c\u8fc7\u5ea6\u914d\u7f6e\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6210\u672c\u9ad8\u6602\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u89c1\u7684\u8bb0\u5fc6\u4f53\u82af\u7247\u6210\u672c\u3002<\/p>\n

RPC DRAM\u82af\u7247\u4e0d\u7528PLL\u6216DLL\u7535\u8def\uff0c\u8fd9\u610f\u5473\u7740\u4e00\u65e6\u65f6\u8109\u91cd\u65b0\u542f\u52a8\u5e76\u7a33\u5b9a\u4e0b\u6765\uff0cRPC DRAM\u53ef\u4ee5\u63a5\u53d7\u6682\u505c\u7684\u65f6\u8109\uff0c\u5e76\u53ef\u4ee5\u5728\u4e94\u4e2a\u65f6\u8109\u5468\u671f\u5185\u6b63\u5e38\u8fd0\u8f6c\u3002 \u8fd9\u6837\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u9700\u6c42\u5feb\u901f\u505c\u6b62\u548c\u91cd\u65b0\u542f\u52a8\u8bb0\u5fc6\u4f53\u4fe1\u9053\uff0c\u800c\u5728SoC\/ASIC\/FPGA\u4e2d\u8fdb\u4e00\u6b65\u63d0\u4f9b\u7cfb\u7edf\u7684\u8282\u80fd\u673a\u4f1a\u3002<\/p>\n

\u7cfb\u7edf\u5b9e\u4f53\u8bbe\u8ba1<\/h3>\n

\u529f\u8017\u5e76\u4e0d\u8db3\u4ee5\u8bf4\u660e\u5168\u8c8c\uff1b\u4f46\u5c0f\u578b\u5316\u8d8b\u52bf\u5bf9\u8bb8\u591a\u7cfb\u7edf\u5e94\u7528\u65e5\u76ca\u91cd\u8981\u3002\u4e0e\u5176\u5b83\u6240\u6709\u7684\u9ad8\u9891\u5bbd\u4ea7\u54c1LPDDR2\/3\uff0cDDR3\/4\u76f8\u6bd4\uff0cRPC DRAM\u91c7\u7528\u7684WLCSP\u5c01\u88c5\uff0c\u5176\u5177\u6709\u660e\u663e\u7684\u5c0f\u578b\u5316\u4f18\u52bf\u3002\u4e0b\u56fe\u663e\u793a\u4e86\u4e0a\u8ff0\u5047\u8bbe\u7684x32\u7cfb\u7edf\u7684\u8bb0\u5fc6\u4f53\u6b21\u7cfb\u7edf\u5c01\u88c5\u6240\u4f54\u7528\u7684PCB\u9762\u79ef\u3002\u5bf9\u4e8ex16\u7ec4DRAM\uff0c\u4f7f\u7528\u6b64\u4e8c\u79cdDRAM\u6765\u63d0\u4f9bx32\u6c47\u6d41\u6392\u3002\u540c\u6837\uff0c\u5bf9\u4e8ex32 DRAM\u6216x8 DRAM\uff0c\u5206\u522b\u4f7f\u7528\u4e00\u4e2aDRAM\u6216\u56db\u4e2aDRAM\u3002<\/p>\n

\"\"<\/p>\n

x32\u7ec4DRAM\u6b21\u7cfb\u7edf\u4e4b\u4e0d\u540c\u5c01\u88c5\u8bb0\u5fc6\u4f53\u6240\u4f54PCB\u533a\u57df\u6bd4\u8f83\u3002<\/strong><\/p>\n

\u5c3d\u7ba1HyperRAM\u4f7f\u7528\u7684PCB\u9762\u79ef\u6700\u5c11\uff0c\u4f46\u5176\u63d0\u4f9b\u6709\u9650\u7684400 MT\/s\u6570\u636e\u901f\u7387\uff0c\u4ec5\u8fbeRPC DRAM\u53caDDR3\/4\u89e3\u51b3\u65b9\u6848\u4e4b\u6bcf\u4e2a\u63a5\u811a\u6240\u63d0\u4f9b\u76841600 MT\/s\u901f\u7387\u7684\u56db\u5206\u4e4b\u4e00\uff1b\u5176\u4f4e\u9891\u5bbd\u548c\u4f4ebits\u6570\u4e25\u91cd\u9650\u5236\u4e86\u5176\u5728\u8fd9\u4e9b\u9ad8\u9891\u5bbd\u7f13\u51b2\u5e94\u7528\u4e2d\u7684\u7528\u9014\u3002\u5728x32\u7ec4DRAM\u4f7f\u7528\u65f6\uff0c\u5b83\u4e0d\u80fd\u6ee1\u8db34K \/ 60-16b\u5e94\u7528\u7a0b\u5e8f\u4e4b\u6700\u4f4e\u9891\u5bbd\u8981\u6c42\u3002<\/p>\n

\u8fde\u63a5\u5230\u5916\u90e8\u8bb0\u5fc6\u4f53\u6b21\u7cfb\u7edf\u6240\u9700\u7684\u63a5\u811a\u6570\u662f\u8bbe\u8ba1\u4e0a\u7684\u5b9e\u4f53\u7cfb\u7edf\u8bbe\u8ba1\u7684\u8003\u91cf\u4e4b\u4e00\u3002\u63a5\u811a\u6570\u8d8a\u591a\uff0c\u7528\u4e8e\u63a7\u5236\u8bb0\u5fc6\u4f53\u7684SOC\/ASIC\/FPGA\u4e0a\u9700\u8981\u7684\u63a5\u811a\u6570\u5c31\u4f1a\u6108\u591a\uff1b\u800c\u63a5\u811a\u6108\u591a\uff0c\u610f\u5473\u7740\u8981\u66f4\u591a\u7684\u8baf\u53f7\u5e03\u7ebf\uff0c\u8fd9\u5c06\u5bfc\u81f4\u9700\u8981\u66f4\u5927\u9762\u79ef\u7684PCB\uff1a\u8fde\u63a5\u66f4\u591a\u8baf\u53f7\u4f1a\u589e\u52a0\u9762\u79ef\u548cPCB\u5c42\u6570\u3002\u518d\u6b21\u5f3a\u8c03\uff0c\u5982\u4e0a\u56fe\u6240\u793a\uff0cRPC DRAM\u5728\u5404\u7c7b\u9ad8\u9891\u5bbdDRAM\u9009\u62e9\u65b9\u6848\u4e2d\uff0c\u5c5e\u63a5\u811a\u6570\u6700\u5c11\u3002<\/p>\n

\"\"<\/p>\n

x32\u7ec4DRAM\u6b21\u7cfb\u7edf\u4e4bSOC\/ASIC\/FPGA\u8bb0\u5fc6\u4f53\u63a5\u53e3\u7684IO\u63a5\u811a\u6570\u6bd4\u8f83\u3002<\/strong><\/p>\n<\/div>\n

\u73b0\u6709RPC DRAM\u63d0\u4f9bWLCSP\u5c01\u88c5\u3001\u88f8\u6676\u53ca\u4e24\u79cdBGA\u578b\u6001(54\u621696\u63a5\u811a\u6570)\u51fa\u8d27\u3002\u5982\u672c\u6587\u524d\u8ff0\uff0cx16 RPC DRAM\u91c7\u7528\u6807\u51c6\u768496\u63a5\u811ax16 DDR3\u7c7b\u578b\u7684\u5c01\u88c5\uff0c\u5e76\u5c06\u6570\u636e\u6c47\u6d41\u6392\u3001\u6570\u636e\u8109\u51b2\u3001\u65f6\u8109\u548c\u7535\u6e90\u63a5\u811a\u8fde\u63a5\u81f3\u4e2a\u522b\u5bf9\u5e94\u4e4b\u63a5\u811a\uff0c\u5176\u9980\u672a\u7528\u5230\u7684\u63a5\u811a\u4ee5N\/C\u4e88\u4ee5\u4fdd\u7559\uff0c\u8fd9\u5bf9\u4e8e\u5df2\u91c7\u7528DDR3 DRAM\u4e8eFPGA\u7cfb\u7edf\u5e94\u7528\u4e2d\u5f88\u6d41\u884c\uff0c\u56e0\u4e3a\u53ea\u8981\u5c06DDR3 DRAM\u7f6e\u6362\u6210\u540c\u683796\u63a5\u811aBGA\u5c01\u88c5\u7684RPC DRAM\u7acb\u5373\u53ef\u4ee5\u4eab\u53d7\u5230\u4f7f\u7528RPC DRAM\u5e26\u6765\u79cd\u79cd\u7684\u4f18\u70b9\u3002<\/p>\n

\u7ed3\u8bba<\/h3>\n

RPC DRAM\u65e8\u5728\u6ee1\u8db3\u5bf9\u9ad8\u9891\u5bbd\u4f46\u5bb9\u91cf\u9002\u4e2d\u7684\u8bb0\u5fc6\u4f53\u7cfb\u7edf\u9700\u6c42\uff0c\u4f8b\u5982\u7528\u4e8e\u5f71\u50cf\u7f13\u51b2\u53ca\u5176\u4ed6\u9891\u5bbd\u5bc6\u96c6\u578b\u5e94\u7528\u3002\u5f53\u5176\u4e0eLattice FPGA\u914d\u5bf9\u5e76\u90e8\u7f72\u5728\u5177\u6709\u7ec8\u7aef\u5904\u7406\u529f\u80fd\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u65f6\uff0c\u4e0e\u6807\u51c6DDR \/ LPDDR\u7c7b\u578b\u7684DRAM\u76f8\u6bd4\uff0c\u5b83\u4e0d\u4ec5\u907f\u514d\u4e86\u8bb0\u5fc6\u4f53\u7cfb\u7edf\u5bb9\u91cf\u7684\u8fc7\u5ea6\u914d\u7f6e\uff0c\u66f4\u8282\u7701\u529f\u7387\uff0c\u51cf\u5c11PCB\u6240\u4f54\u9762\u79ef\u548c\u964d\u4f4e\u63a5\u811a\u6570\u3002<\/p>\n

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