[IBIS-Users] Question about C_comp and [C Comp Corner]

Hi experts.

I have a question about C_comp and [C Comp Corner].

In the version 5.1 and later,
I can describe the C_comp* by corners under [Model].
[Model]

C_comp 7.0pF 5.0pF 9.0pF

C_comp_pullup 3.0pF 2.5pF 3.5pF | These four can be

C_comp_pulldown 2.0pF 1.5pF 2.5pF | used instead of

C_comp_power_clamp 1.0pF 0.5pF 1.5pF | C_comp
C_comp_gnd_clamp 1.0pF 0.5pF 1.5pF

Moreover I can describe the C_comp* by corners under [C Comp Corner].

[C Comp Corner]

| variable typ min max

C_comp 7.0pF 9.0pF 5.0pF

|

C_comp_pullup 3.0pF 3.5pF 2.5pF | These four can be

C_comp_pulldown 2.0pF 2.5pF 1.5pF | used instead of

C_comp_power_clamp 1.0pF 1.5pF 0.5pF | C_comp

C_comp_gnd_clamp 1.0pF 1.5pF 0.5pF
|

What is different by both of them?
Is the [C Comp Corner] insignificant already?


best regaeds.

Kazunori Yamada.
Renesas System Design Corp.

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