RC Corner结合了前端和后端的工艺参数，如N/P沟道MOSFET的快慢变化，影响设备性能。FEOL有典型、快速、缓慢三个角，BEOL则考虑线间耦合电容和电阻的变化。TT Corner并非真正的工艺角，而是一种平衡状态。不均衡的FS、SF角可能引起逻辑错误。设计中需关注这些角对时序和逻辑正确性的影响。
Q：RC-Corner跟PVT怎么组合？
A：通常的组合：
Q：通常说的ttcorner指的是啥？
A：@孟时光 ttcorner是指管子在tt+RCtyp吧。
Typesof corners
When working in the schematic domain, weusually only work with frontend of line (FEOL) process corners as these corners willaffect the performance of devices. But there is an orthogonal set of processparameters that affect back endof line (BEOL) parasitics.
FEOL corners
One naming convention for process corners isto use two-letter designators, where the first letter refers to the N-channel MOSFET (NMOS) corner, and the second letter refers to the P chann
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