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About Astro: How to insert a power-cut cell?

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cheat0821

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For power isolation, I need to insert power-cut cell in my design.
I used "PDIODE8W" in my I/O library for different voltage levels isolation between digital and analog domain. There are two pins inside this power-cut cell, VSS1 and VSS2.
So, when I use the command "InsertPad", how should I write in tdf file to make sure that both VSS1 and VSS2 are connected correctly?
Please give the example or explain insert a power-cut cell in another way.

Thank you!
 

vlsichipdesigner

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hi,

i dont know whether this answers your question

insertPad "VDD" "m1pad" "vdd1" "PAD"
insertPad "GND" "m1pad" "gnd1" "PAD"

Using these pad insertion directives, the Synopsys application adds
two pads to the design:

vdd1
An instance, of the pad cell master m1pad, connected to the VDD net
through its pin named PAD.
gnd1
An instance, of the pad cell master m1pad, connected to the GND net
through its pin named PAD.

myprayers,
chip design made easy
http://www.vlsichipdesign.com
 

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