about the STA reports,thank you!

[lubee]

In the course of the post-P&R simulation,especially in the STA, I often come across a problem in the STA reports,as the following:
the report :
Point Incr Path
input external delay 10.00 10.00r
a(in) 0.00 10.00r
m1/Z(MUX21H) 1.00 11.00r
c_d/Z(AN2) 1.00 12.00r
so,I don't know what the "r" in the "Path" column stands for,sometimes "f".

thank you in advance.

 

[avimit]

r=rise
f=fall

At the o/p of each cell in your report, prime-time puts these attributes(i.e r or f) to tell you weather it is a rising arc or falling timing arc.
Kr,
Avi
http://www.vlsiip.com

 

[lubee]

thank you so much!