mirror of https://github.com/VLSIDA/OpenRAM.git
Add source drain contact options to ptx.
This commit is contained in:
mrg
parent
c5a1be703c
commit
f21791a904
|
|
@ -187,8 +187,7 @@ class pnor2(pgate.pgate):
|
|||
def route_inputs(self):
|
||||
""" Route the A and B inputs """
|
||||
# Use M2 spaces so we can drop vias on the pins later!
|
||||
inputB_yoffset = self.nmos2_pos.y + self.nmos.active_height \
|
||||
+ self.m2_space + self.m2_width
|
||||
inputB_yoffset = self.nmos2_inst.uy() + 0.5 * contact.poly_contact.height
|
||||
self.route_input_gate(self.pmos2_inst,
|
||||
self.nmos2_inst,
|
||||
inputB_yoffset,
|
||||
|
|
|
|||
|
|
@ -27,15 +27,23 @@ class ptx(design.design):
|
|||
width=drc("minwidth_tx"),
|
||||
mults=1,
|
||||
tx_type="nmos",
|
||||
add_source_contact=True,
|
||||
add_drain_contact=True,
|
||||
series_devices=False,
|
||||
connect_active=False,
|
||||
connect_poly=False,
|
||||
series_devices=False,
|
||||
num_contacts=None):
|
||||
# We need to keep unique names because outputting to GDSII
|
||||
# will use the last record with a given name. I.e., you will
|
||||
# over-write a design in GDS if one has and the other doesn't
|
||||
# have poly connected, for example.
|
||||
name = "{0}_m{1}_w{2:.3f}".format(tx_type, mults, width)
|
||||
if not add_source_contact:
|
||||
name += "_ns"
|
||||
if not add_drain_contact:
|
||||
name += "_nd"
|
||||
if series_devices:
|
||||
name += "_sd"
|
||||
if connect_active:
|
||||
name += "_a"
|
||||
if connect_poly:
|
||||
|
|
@ -52,6 +60,8 @@ class ptx(design.design):
|
|||
self.tx_width = width
|
||||
self.connect_active = connect_active
|
||||
self.connect_poly = connect_poly
|
||||
self.add_source_contact = add_source_contact
|
||||
self.add_drain_contact = add_drain_contact
|
||||
self.series_devices = series_devices
|
||||
self.num_contacts = num_contacts
|
||||
|
||||
|
|
@ -379,18 +389,24 @@ class ptx(design.design):
|
|||
# First one is always a SOURCE
|
||||
label = "S"
|
||||
pos = self.contact_offset
|
||||
contact=self.add_via_center(layers=self.active_stack,
|
||||
offset=pos,
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V","V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
if self.add_source_contact:
|
||||
contact=self.add_via_center(layers=self.active_stack,
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
self.source_contacts.append(contact)
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V","V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
self.source_contacts.append(contact)
|
||||
if self.add_source_contact:
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
else:
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="active",
|
||||
offset=pos)
|
||||
source_positions.append(pos)
|
||||
|
||||
# Skip these if they are going to be in series
|
||||
|
|
@ -406,22 +422,26 @@ class ptx(design.design):
|
|||
label = "S"
|
||||
source_positions.append(pos)
|
||||
|
||||
contact=self.add_via_center(layers=self.active_stack,
|
||||
offset=pos,
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V","V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
if (label=="S" and self.add_source_contact) or (label=="D" and self.add_drain_contact):
|
||||
contact=self.add_via_center(layers=self.active_stack,
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
|
||||
if label == "S":
|
||||
self.source_contacts.append(contact)
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V", "V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
if label == "S":
|
||||
self.source_contacts.append(contact)
|
||||
else:
|
||||
self.drain_contacts.append(contact)
|
||||
else:
|
||||
self.drain_contacts.append(contact)
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="active",
|
||||
offset=pos)
|
||||
|
||||
pos = vector(self.active_offset.x + self.active_width - 0.5 * self.active_contact.width,
|
||||
self.contact_offset.y)
|
||||
|
|
@ -432,21 +452,28 @@ class ptx(design.design):
|
|||
else:
|
||||
label = "S"
|
||||
source_positions.append(pos)
|
||||
contact=self.add_via_center(layers=self.active_stack,
|
||||
offset=pos,
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V","V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
|
||||
if (label=="S" and self.add_source_contact) or (label=="D" and self.add_drain_contact):
|
||||
contact=self.add_via_center(layers=self.active_stack,
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
if label == "S":
|
||||
self.source_contacts.append(contact)
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V", "V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
if label == "S":
|
||||
self.source_contacts.append(contact)
|
||||
else:
|
||||
self.drain_contacts.append(contact)
|
||||
if (label=="S" and self.add_source_contact) or (label=="D" and self.add_drain_contact):
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
else:
|
||||
self.drain_contacts.append(contact)
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="active",
|
||||
offset=pos)
|
||||
|
||||
if self.connect_active:
|
||||
self.connect_fingered_active(drain_positions, source_positions)
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ from globals import OPTS
|
|||
from sram_factory import factory
|
||||
import debug
|
||||
|
||||
|
||||
class ptx_1finger_nmos_test(openram_test):
|
||||
|
||||
def runTest(self):
|
||||
|
|
|
|||
Loading…
Reference in New Issue