luke
/
OpenRAM
mirror of https://github.com/VLSIDA/OpenRAM.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix offsets of new nwell/pwell contacts.

This commit is contained in:
mrg 2022-02-11 12:09:42 -08:00
parent ed5765ea87
commit ab3acb99da
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
compiler/pgates/pgate.py
View File

@ -208,9 +208,10 @@ class pgate(design.design):
# from the top of the well
# OR align the active with the top of PMOS active.
max_y_offset = self.height + 0.5 * self.m1_width
contact_yoffset = self.height - 0.5 * self.implant_width \
- pmos.active_contact.first_layer_height \
- self.implant_enclose_active
contact_yoffset = min(self.height - 0.5 * self.implant_width,
self.get_tx_insts("pmos")[0].uy()) \
- pmos.active_contact.first_layer_height \
- self.implant_enclose_active
contact_offset = vector(contact_xoffset, contact_yoffset)
# Offset by half a contact in x and y
contact_offset += vector(0.5 * pmos.active_contact.first_layer_width,
@ -315,7 +316,8 @@ class pgate(design.design):
contact_xoffset = nmos_pos.x + nmos.active_width \
+ self.active_space
# Allow an nimplant below it under the rail
contact_yoffset = 0.5 * self.implant_width + self.implant_enclose_active
contact_yoffset = max(0.5 * self.implant_width + self.implant_enclose_active,
self.get_tx_insts("nmos")[0].by())
contact_offset = vector(contact_xoffset, contact_yoffset)
# Offset by half a contact