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Small format cleanup

This commit is contained in:
mrg 2020-04-01 11:15:29 -07:00
parent da334e47aa
commit 3074cf3b86
2 changed files with 43 additions and 39 deletions
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4
compiler/bitcells/pbitcell.py
View File

@ -7,7 +7,7 @@
# #
import contact import contact
import debug import debug
from tech import drc, parameter from tech import drc, parameter, layer
from vector import vector from vector import vector
from ptx import ptx from ptx import ptx
from globals import OPTS from globals import OPTS
@ -975,6 +975,7 @@ class pbitcell(bitcell_base.bitcell_base):
""" """
Connects wells between ptx modules and places well contacts Connects wells between ptx modules and places well contacts
""" """
if "pwell" in layer:
# extend pwell to encompass entire nmos region of the cell up to the # extend pwell to encompass entire nmos region of the cell up to the
# height of the tallest nmos transistor # height of the tallest nmos transistor
max_nmos_well_height = max(self.inverter_nmos.well_height, max_nmos_well_height = max(self.inverter_nmos.well_height,
@ -993,6 +994,7 @@ class pbitcell(bitcell_base.bitcell_base):
# extend nwell to encompass inverter_pmos # extend nwell to encompass inverter_pmos
# calculate offset of the left pmos well # calculate offset of the left pmos well
if "nwell" in layer:
inverter_well_xpos = -(self.inverter_nmos.active_width + 0.5 * self.inverter_to_inverter_spacing) \ inverter_well_xpos = -(self.inverter_nmos.active_width + 0.5 * self.inverter_to_inverter_spacing) \
- self.nwell_enclose_active - self.nwell_enclose_active
inverter_well_ypos = self.inverter_nmos_ypos + self.inverter_nmos.active_height \ inverter_well_ypos = self.inverter_nmos_ypos + self.inverter_nmos.active_height \

12
compiler/pgates/ptx.py
View File

@ -196,6 +196,8 @@ class ptx(design.design):
# The well is not included in the height and width # The well is not included in the height and width
self.height = self.poly_height self.height = self.poly_height
self.width = self.active_width self.width = self.active_width
self.well_height = self.height
self.well_width = self.width
# This is the center of the first active contact offset (centered vertically) # This is the center of the first active contact offset (centered vertically)
self.contact_offset = self.active_offset + vector(0.5 * self.active_contact.width, self.contact_offset = self.active_offset + vector(0.5 * self.active_contact.width,
@ -353,10 +355,10 @@ class ptx(design.design):
if not (well_name in layer or "vtg" in layer): if not (well_name in layer or "vtg" in layer):
return return
center_pos = self.active_offset + vector(0.5*self.active_width, center_pos = self.active_offset + vector(0.5 * self.active_width,
0.5*self.active_height) 0.5 * self.active_height)
well_ll = center_pos - vector(0.5*self.well_width, well_ll = center_pos - vector(0.5 * self.well_width,
0.5*self.well_height) 0.5 * self.well_height)
if well_name in layer: if well_name in layer:
self.add_rect(layer=well_name, self.add_rect(layer=well_name,
offset=well_ll, offset=well_ll,
@ -450,7 +452,7 @@ class ptx(design.design):
contact=self.add_via_center(layers=self.active_stack, contact=self.add_via_center(layers=self.active_stack,
offset=pos, offset=pos,
size=(1, self.num_contacts), size=(1, self.num_contacts),
directions=("V","V"), directions=("V", "V"),
implant_type=self.implant_type, implant_type=self.implant_type,
well_type=self.well_type) well_type=self.well_type)