![Metal Stack(Metal Scheme)](https://www.dyjz.cc/uploadfile/img/15/346/000c25475799f2587edfa03c7d969d7a.jpg)
1、TSMC 22nm Metal Scheme举例
2、TSMC 22nm Metal Thickness
3、Price
1P7M_5x1u和1P7M_5x1z价格相同,u比z更厚(35KÅ和8.5KÅ),Power Mesh时有利于降低IR Drop;1P7M_5x1u比1P8M_5x2z价格便宜几个百分点;Wire Bond封装时,可以用1u,Top Metal和RDL/AP层可以用来Power MeshFlip Chip封装时,只能用2z,RDL/AP层用来走线,只能利用最上两层来Power Mesh