HyperLynx Batch Mode Report 中的warning

kiddguan

TERMINATION VIOLATIONS --------------------------------------------
     ** Warning(Severe) **
        Net too long!
          found length ............ 005.144 in
' s) R3 R, Y* P( {          max. recommended length . 002.223 in

( i1 K8 X: \# R' m! qSIGNAL-INTEGRITY STATISTICS ---------------------------------------
  z+ P1 w$ |9 R" p' e' O+ d: j     total receiver capacitance ... 10.9 pF
     effective net Z0 ............. 34.6 ohms
/ |* Z  @1 `6 B9 V! J     termination type ............. No termination found
     ** Warning **
/ U+ \% R: p( g        Net is source-terminated by driver impedance.
2 R5 l# R" [$ f8 G          Wide driver impedance tolerance may hinder termination.
- L% C+ q# \* X
, c. l& s- S; \& E) |( R: X第一个warning中  max. recommended length . 002.223 in 是怎么得到的？
8 S- |7 C' Y- y/ A3 S第二个warning是什么意思？

misswenhao0416

请高手指点下，我也想知道