palmeiras
Full Member level 6
- Joined
- Feb 22, 2010
- Messages
- 375
- Helped
- 61
- Reputation
- 122
- Reaction score
- 50
- Trophy points
- 1,308
- Location
- South America
- Activity points
- 4,199
Hi guys,
Thanks again! How can I use this SXCUT:label? Do I just draw a square using this layer above the substrate contacts?
Jimito13 : Inherited connections is when your symbol does not present the substrate connection. This is valid for transistors, resistors, capacitors, and so on. But inside the device model, you need to add a property informing this connection that is missing. Did you get it?
dgnani,by the way, what do you mean with " PEX rules are a disaster... "? Have you had problems when extracting parasitics using PEX?
Hi PalmeirasHi dgnani!
Thank you so much. It works. Using SXCUT layer helps to make my LVS clean.
Our design makes use of triple well devices… so I guess that I should avoid extraction through PEX tool – based on what you said about it.
Jimito13:
Regarding the layout of inherited connections, you simple use substrate contacts as you need, and the tool makes these contacts transparent for the designer. I mean, you do not need to be worry about the LVS of substrate contacts. The tool automatically recognizes the sub contacts.
Thanks all of you, guys.
Hi all
I've also have the same problem with the substrate. and I've tried using SVCUT layer, and it solve some of the LVS error.
But I've still got one more LVS error, related to 'soft substrate pin errors'.
My net in subc in schematic is difference from net in layout.
I have do idea to solve it.
LAYOUT NAME SOURCE NAME
Discrepancy #1 in and2
M0(-1.130,5.730) M(lvtnfet) X_NAND1/M_X2 M(lvtnfet)
b: 8 ** X_INV1/N$40 **
** 9 ** b: X_NAND1/N$42
Discrepancy #2 in and2
M1(0.400,5.730) M(lvtnfet) X_NAND1/M_X3 M(lvtnfet)
b: 8 ** X_INV1/N$40 **
** 9 ** b: X_NAND1/N$42
Thanks
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?