IC設計用什麼軟體模擬及layout？

chip123

底下是某些人的使用建議，大家覺得如何？

cadence ic5033
/ b# j" X: t/ \& \9 w5 Qsimulation : circuit netlist - hspice & spectre
layout : l-edit, virtuoso, or even magic
verification: diva, dracula, assura(cadence), hercules(synonsys), calibre(mentor graphic)]