2012年6月19日 星期二

[UMC130] AMS Simulation Error with umc130mmrf after Extraction

Issue:
After Layout and RCX with "UMC 130nm MMRF", they will use the cell: "pcapacitor" & "presistor" to represent parasitic components.
By default, they will be represented by "umc13mmrf:presistor" & "sample:pcapacitor"
(As CDS sample library also got "pcapacitor)

They are alright with Spectre Simulation (Pure Analog)
Unfortunately, these components don't have AMS (Mixed-Signal) Simulation Source and report:
... presistor ... can't be resolved


Solution:

Use default resistors and capacitor model provided by "analogLib". This can be done according to the setting below:
Corrected Setting
Make sure you don't have components called "res/cap" in other library. (Although I don't suppose someone will do so.)

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