Comments (13)
nataraj-pinakapani
commented on May 3, 2024
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msaligane
commented on May 3, 2024
Any updates on this issue?
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d-m-bailey
commented on May 3, 2024
@nataraj-pinakapani
My understanding is that
XM1 has L=1u W=1u nf=1 m=1 which corresponds to one physical device with L=1u W=1u
XM2 has L=1u W=1u nf=2 m=2 which corresponds to 4 physical devices each with L=1u W=0.5u
Do you get the same results with
L=1u W=1u nf=1 m=2 which corresponds to 2 physical devices each with L=1u W=1u
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nataraj-pinakapani
commented on May 3, 2024
Hi, Sorry. I didn't work in the GF PDK for sometime now. I will check it
again in the first week of August. Thanks for checking.
Regards,
Nataraj
…On Wed, 19 Jul 2023 at 16:51, Mehdi Saligane ***@***.***> wrote:
Any updates on this issue?
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Natu
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ChrisZonghaoLi
commented on May 3, 2024
FYI this problem is now solved.
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d-m-bailey
commented on May 3, 2024
@ChrisZonghaoLi Great!
What was the resolution?
- a fix to ngspice?
- a change to netlist parameters?
- simulation parameters?
- fix to the mos models?
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ChrisZonghaoLi
commented on May 3, 2024
@ChrisZonghaoLi Great!
What was the resolution?
- a fix to ngspice?
- a change to netlist parameters?
- simulation parameters?
- fix to the mos models?
Hi Mitch, I think the original issue might be the parameter m was not declared in the spice model somehow. According to @atorkmabrains the new repo (https://github.com/mabrains/globalfoundries-pdk-libs-gf180mcu_fd_pr/tree/main/models) has the issue addressed (both ngspice and xyce models). We had this issue also discussed in Slack (https://open-source-silicon.slack.com/archives/C03R1GRP9LG/p1689280547619049?thread_ts=1689217859.856629&cid=C03R1GRP9LG).
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d-m-bailey
commented on May 3, 2024
Thanks @ChrisZonghaoLi.
@proppy @mithro Do you want to close this since it appears to be resolved?
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atorkmabrains
commented on May 3, 2024
@FaragElsayed2 Is that done?
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FaragElsayed2
commented on May 3, 2024
@atorkmabrains Yes
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atorkmabrains
commented on May 3, 2024
@FaragElsayed2 Link to PR?
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FaragElsayed2
commented on May 3, 2024
@atorkmabrains
mabrains/globalfoundries-pdk-libs-gf180mcu_fd_pr#152
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atorkmabrains
commented on May 3, 2024
@d-m-bailey @ChrisZonghaoLi Closing this ticket as it’s already addressed.
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