<@U016EM8L91B>, <@U01RSNFAM55>, <@U029P6JGBT4> Hel...
# ieee-sscs-dc-22
m
@Tim Edwards, @Boris Murmann, @Rana Muhammad Shahid Jamil Hello, We are laying out PNP BJTs in Magic but we are facing issues in clearing lvs. The spice files generated by xschem shows 3 pins while the spice file generated by the magic shows only 2 pins. magic considers the collector pin as substrate. Can you please help us in resolving this issue. The snapshots of xschem schematic, magic layout and both the spice files are attached
m
Do you have gds? Can you post it?
t
@Mudassir Ali: I can confirm the issue, and I am looking into it.
👍 3
@Mudassir Ali: This is an issue with the
open_pdks
installer. However, there is a very easy workaround, which is to use the cell named
sky130_fd_pr__rf_pnp_05v5_W3p40L3p40
(note the
rf
in the middle). This is exactly the same layout as you are using. There are no differences between the RF and non-RF versions of the cell, except for the fact that the magic view of the RF cell has been annotated during the PDK build with a special identifier layer so that it will extract correctly. The non-RF version of the cell was accidentally left off of the list of layouts to be annotated. I will fix the PDK, but changing the cell name will get you moving ahead with your design immediately.
👍 2
m
Alright thank you for the prompt response