PCB设计规范_设计规范_其他

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62893ec916e0ca714105bd84/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62893ec916e0ca714105bd84/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">　</span></div></div><div class="t m0 x2 h4 y3 ff1 fs1 fc0 sc0 ls0 ws0"><span class="_ _0"> </span><span class="ff2">设计规范</span></div><div class="c x0 y1 w2 h2"><div class="t m0 x3 h5 y4 ff2 fs2 fc0 sc0 ls0 ws0">密级</div><div class="t m0 x3 h6 y5 ff1 fs3 fc0 sc0 ls0 ws0"><span class="ff2">公司设计规范</span></div><div class="t m0 x4 h7 y6 ff2 fs4 fc0 sc0 ls0 ws0">状 态： </div><div class="t m0 x4 h7 y7 ff2 fs4 fc0 sc0 ls0 ws0">受控编号： </div><div class="t m0 x4 h7 y8 ff2 fs4 fc0 sc0 ls0 ws0">编 制： </div><div class="t m0 x5 h7 y9 ff2 fs4 fc0 sc0 ls0 ws0">审 核： </div><div class="t m0 x5 h7 ya ff2 fs4 fc0 sc0 ls0 ws0">批 准： </div><div class="t m0 x3 h8 yb ff2 fs5 fc0 sc0 ls0 ws0">批准日期： 年 月 日 实施日期： 年 月 日</div><div class="t m0 x6 h6 yc ff1 fs3 fc0 sc0 ls0 ws0"><span class="ff2">设计规范</span></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62893ec916e0ca714105bd84/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x9 h9 yf ff2 fs6 fc0 sc1 ls0 ws0">目<span class="ff3 sc0"> </span>录</div><div class="t m0 x3 h3 y10 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">范围</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 x3 h3 y11 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">规范性引用文件</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span></div><div class="t m0 x3 h3 y12 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">术语和定义</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xa h3 y13 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">印制电路板（</span><span class="ff2">－</span><span class="ff2">）</span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y14 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">原理图（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y15 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">网络表（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y16 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">背板（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y17 ff1 fs0 fc0 sc0 ls0 ws0"> !<span class="ff2">面</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y18 ff1 fs0 fc0 sc0 ls0 ws0">"! !#<span class="ff2">面</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y19 ff1 fs0 fc0 sc0 ls0 ws0">$<span class="ff2">细间距器件</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa ha y1a ff1 fs0 fc0 sc0 ls0 ws0">%!&<span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y1b ff1 fs0 fc0 sc0 ls0 ws0">'<span class="ff2">护套</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y1c ff1 fs0 fc0 sc0 ls0 ws0">(<span class="ff2">右插板</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y1d ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">板厚（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y1e ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">金属化孔（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y1f ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">非金属化孔（</span> )*<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y20 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">过孔（</span>+<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y21 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">盲孔（</span>,<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xa h3 y22 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">埋孔（埋入孔，</span>,<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y23 ff1 fs0 fc0 sc0 ls0 ws0">$)-.<span class="ff2">（</span>)-/.<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y24 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">盘中孔（</span>+<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xa h3 y25 ff1 fs0 fc0 sc0 ls0 ws0">'<span class="ff2">阻焊膜 （</span>0<span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y26 ff1 fs0 fc0 sc0 ls0 ws0">(<span class="ff2">焊盘（连接盘，</span>1<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span></div><div class="t m0 xa h3 y27 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">双列直插式封装 </span>2-.*33<span class="_ _5"></span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y28 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">单列直插式封装 </span>2.*3<span class="_ _5"></span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y29 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">小外型集成电路 </span>2!.*3<span class="_ _5"></span><span class="ff2">）</span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y2a ff1 fs0 fc0 sc0 ls0 ws0">45<span class="ff2">（</span>45/<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa ha y2b ff1 fs0 fc0 sc0 ls0 ws0"> ) 2 ) /0<span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d 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<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62893ec916e0ca714105bd84/bg4.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">　</span></div><div class="t m0 xa ha y2c ff1 fs0 fc0 sc0 ls0 ws0">"# 26# /0<span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y2d ff1 fs0 fc0 sc0 ls0 ws0">$<span class="ff2">压接式插针</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y2e ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">波峰焊（</span>7,<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y2f ff1 fs0 fc0 sc0 ls0 ws0">'<span class="ff2">回流焊（</span>87<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y30 ff1 fs0 fc0 sc0 ls0 ws0">(<span class="ff2">压接</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y31 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">桥接（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y32 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">锡球（ </span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span></div><div class="t m0 xa h3 y33 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">锡尖（拉尖，</span>9<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y34 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">立片（器件直立，</span> <span class="ff2">）</span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y35 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">当前层（</span>5,/<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y36 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">反标注（反向标注，</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa ha y37 ff1 fs0 fc0 sc0 ls0 ws0">$:5!; <span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y38 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">材料清单（</span>!#<span class="ff2">－</span>6<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y39 ff1 fs0 fc0 sc0 ls0 ws0">'<span class="ff2">光绘（</span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span></div><div class="t m0 xa h3 y3a ff1 fs0 fc0 sc0 ls0 ws0">(<span class="ff2">设计规则检查（</span>-<<span class="ff2">－</span>-<span class="ff2">）</span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y3b ff1 fs0 fc0 sc0 ls0 ws0">-:#<span class="ff2">（</span>-:#6/<span class="ff2">）</span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y3c ff1 fs0 fc0 sc0 ls0 ws0">-: <span class="ff2">（</span>-: /<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span></div><div class="t m0 xa h3 y3d ff1 fs0 fc0 sc0 ls0 ws0">. <span class="ff2">（</span>.3 <span class="_ _5"></span><span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y3e ff1 fs0 fc0 sc0 ls0 ws0">=#<span class="ff2">（</span>=/0<span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y3f ff1 fs0 fc0 sc0 ls0 ws0">.<span class="ff2">（</span>./<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y40 ff1 fs0 fc0 sc0 ls0 ws0">".<span class="ff2">（</span>7./<span class="ff2">）</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 x3 h3 y41 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">设计活动过程</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xa h3 y42 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">系统分析</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xa h3 y43 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">布局</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y44 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">仿真</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>"</div><div class="t m0 xa h3 y45 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">布线</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>"</div><div class="t m0 xa h3 y46 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">测试验证</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>"</div><div class="t m0 x3 h3 y47 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">系统分析</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>"</div><div class="t m0 xa h3 y48 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">系统框架划分</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span>"</div><div class="t m0 xa h3 y49 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">系统互连设计</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span>"</div><div class="t m0 xa h3 y4a ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">单板关键总线的信噪和时序分析</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>$</div></div><div class="t m0 x2 h4 y3 ff1 fs1 fc0 sc0 ls0 ws0"><span class="_ _0"> </span><span class="ff2">设计规范</span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div 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<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62893ec916e0ca714105bd84/bg5.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">　</span></div><div class="t m0 xa h3 y4b ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">关键元器件的选型建议</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>$</div><div class="t m0 xa h3 y4c ff1 fs0 fc0 sc0 ls0 ws0"><span class="ff2">物理实现关键技术分析</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>$</div><div class="t m0 x3 h3 y4d ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">前仿真及布局过程</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>%</div><div class="t m0 xa h3 y4e ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">理解设计要求并制定设计计划</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>%</div><div class="t m0 xa h3 y4f ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">创建网络表和板框</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>%</div><div class="t m0 xa h3 y50 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">预布局</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>%</div><div class="t m0 xa h3 y51 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">布局的基本原则</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>'</div><div class="t m0 xa h3 y52 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">信号质量</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>(</div><div class="t m0 xb h3 y53 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">规则分析</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>(</div><div class="t m0 xb h3 y54 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">层设计与阻抗控制</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xb h3 y55 ff1 fs0 fc0 sc0 ls0 ws0">"<span class="ff2">信号质量测试需求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa ha y56 ff1 fs0 fc0 sc0 ls0 ws0">""-:#<span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _6"></span>"</div><div class="t m0 xb h3 y57 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">尺寸设计一般原则</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>"</div><div class="t m0 xb h3 y58 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">基准点</span>.-<span class="ff2">的设计</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>$</div><div class="t m0 xb h3 y59 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">器件布局的通用要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span><span class="_ _4"></span>$</div><div class="t m0 xb h3 y5a ff1 fs0 fc0 sc0 ls0 ws0">""#-<span class="ff2">器件布局要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>$</div><div class="t m0 xb h3 y5b ff1 fs0 fc0 sc0 ls0 ws0">"" )-<span class="ff2">布局要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>(</div><div class="t m0 xb h3 y5c ff1 fs0 fc0 sc0 ls0 ws0">"""<span class="ff2">压接件器件布局要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span><span class="_ _4"></span></div><div class="t m0 xb h3 y5d ff1 fs0 fc0 sc0 ls0 ws0">""$<span class="ff2">通孔回流焊器件布局要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xb h3 y5e ff1 fs0 fc0 sc0 ls0 ws0">""%<span class="ff2">走线设计</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xb h3 y5f ff1 fs0 fc0 sc0 ls0 ws0">""'<span class="ff2">孔设计</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xb h3 y60 ff1 fs0 fc0 sc0 ls0 ws0">""(<span class="ff2">阻焊设计</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span></div><div class="t m0 xb h3 y61 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">表面处理</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>"</div><div class="t m0 xb h3 y62 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">丝印设计</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>$</div><div class="t m0 xb h3 y63 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">尺寸和公差标注</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span>'</div><div class="t m0 xb h3 y64 ff1 fs0 fc0 sc0 ls0 ws0">""<span class="ff2">背板部分</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _6"></span>'</div><div class="t m0 xa h3 y65 ff1 fs0 fc0 sc0 ls0 ws0">"$-: <span class="ff2">设计要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xb h3 y66 ff1 fs0 fc0 sc0 ls0 ws0">"$<span class="ff2">的</span>. <span class="ff2">设计要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xb h3 y67 ff1 fs0 fc0 sc0 ls0 ws0">"$<span class="ff2">功能和信号测试点的添加</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y68 ff1 fs0 fc0 sc0 ls0 ws0">"%<span class="ff2">热设计要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _5"></span><span class="_ _5"></span><span class="_ _5"></span></div><div class="t m0 xa h3 y69 ff1 fs0 fc0 sc0 ls0 ws0">"'<span class="ff2">安规设计要求</span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ _4"></span><span class="_ 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