Leakage Power For Different Voltage Threshold Lib Cells: LMP/LXP/SXP/HXP
For different voltage threshold groups, cell leakage is different. A common way to reduce leakage power is to swap LVT cells to HVT cells. LVT & HVT cells usually have the same area, pin, and...
View ArticleAdd Overlay Cell in RedHawk
In the past weeks, I use Apache RedHawk to do power analysis. Just finished top power analysis with overlay cell. Take down the steps to include overlay cell into Redhawk power analysis.Step to add...
View ArticleSwitching Activity Interchange Format (SAIF) File
SAIF stands for Switching Activity Interchange Format. SAIF file presents system dynamic change rate, and usually used in dynamic power analyze.Concept used in SAIF:Switching Activity in SAIF file is...
View Article半导体芯片封装相关的温度和散热参数Theta-ja
在估算芯片功耗的时候,会遇到2个温度参数:Junction Temperature和Ambient Temperature.百度了一把,发现了如下的定义:case temperature指的是封装外壳表面的温度;ambient temperature 指的是距离封装外壳表面1-2cm处的温度;Junction temperature指的是半导体裸片温度;Junction...
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