集成电路版图设计基础第四章：标准单元技术

1、开发标准单元库的原因开发标准单元库的原因标准网格标准网格 定向型工艺层技术定向型工艺层技术 网格式布线系统要求的库设计规则网格式布线系统要求的库设计规则标准输入输出单元标准输入输出单元 school of phyebasics of ic layout design1school of phyebasics of ic layout design2school of phyebasics of ic layout design3school of phyebasics of ic layout design4school of phyebasics of ic layout design5sc

2、hool of phyebasics of ic layout design6school of phyebasics of ic layout design7 在利用在利用DRC（设计规则检查）对版图进行几何规则检查时，对于（设计规则检查）对版图进行几何规则检查时，对于宽度低于规则中指定的最小宽度的几何图形，工具将会给出错误宽度低于规则中指定的最小宽度的几何图形，工具将会给出错误的提示。的提示。school of phyebasics of ic layout design8school of phyebasics of ic layout design9school of phyebasi

3、cs of ic layout design10school of phyebasics of ic layout design11N WELLN WELLminSpacingminWidthschool of phyebasics of ic layout design122 microns1 microns1 microns1 micronsschool of phyebasics of ic layout design13school of phyebasics of ic layout design14school of phyebasics of ic layout design15

4、school of phyebasics of ic layout design16unnecessary,other metal2s cant route hereschool of phyebasics of ic layout design17对齐输入输出：AZPNVDDVSSschool of phyebasics of ic layout design18高度固定，宽度可变：school of phyebasics of ic layout design19公用N阱：n well spacingdevice spacingschool of phyebasics of ic layo

5、ut design20如果轨线延伸到单元边缘，那么把这些单如果轨线延伸到单元边缘，那么把这些单元对接，就形成了一条很长的电源轨线带。元对接，就形成了一条很长的电源轨线带。powergroundschool of phyebasics of ic layout design21半网格单元尺寸：half-grid cell sizingpower railbutting edgeson-grid wiregrid pointschool of phyebasics of ic layout design22半尺寸设计规则：half-design rule距离单元边沿至少有一半的最小间距power

6、railbutting edgesgrid pointminimum distancehalf minimum distanceschool of phyebasics of ic layout design23布线通道：routing channelsVDDVSSVDDVSSVSSVDDVDDschool of phyebasics of ic layout design24布线通道：routing channels布线通道school of phyebasics of ic layout design25通道布线器：channel routersgatesfixed wiring channelgatesvariable wiring channelschool of phyebasics of ic layout design26天线规则：antenna rulesVDDVSSmetal 1ABPPNNschool of phyebasics of ic layout design27VDDVS