一种由反相器构成的全定制时钟树

A Full Custom Clock Tree Consisted of Inverter

本文介绍了一种由反相器构成的全定制时钟树,采用clockmesh+H_tree结构;通过virtuoso画出来的版图对称性更好,然后提取lef和lib导入设计中。设计的时钟树具有时钟延时低、低skew等优点。

This paper introduces a full custom clock tree consisted of inverter, which uses the clockmesh and H tree structure. The layout drew by virtuoso has better symmetrical characteristic. Then the lef and lib files are extracted and input to the design. The clock tree has the advantages of small delay and lower skew