mirror of https://github.com/VLSIDA/OpenRAM.git
Add li_stack contact to ptx and pgate if it exists.
This commit is contained in:
mrg
parent
f491876a5a
commit
e9d0db44fd
|
|
@ -107,7 +107,11 @@ class pgate(design.design):
|
|||
else:
|
||||
debug.error("Invalid contact placement option.", -1)
|
||||
|
||||
v=self.add_via_center(layers=self.poly_stack,
|
||||
if hasattr(self, "li_stack"):
|
||||
self.add_via_center(layers=self.li_stack,
|
||||
offset=contact_offset)
|
||||
|
||||
self.add_via_center(layers=self.poly_stack,
|
||||
offset=contact_offset)
|
||||
|
||||
self.add_layout_pin_rect_center(text=name,
|
||||
|
|
@ -187,6 +191,10 @@ class pgate(design.design):
|
|||
offset=contact_offset,
|
||||
implant_type="n",
|
||||
well_type="n")
|
||||
if hasattr(self, "li_stack"):
|
||||
self.add_via_center(layers=self.li_stack,
|
||||
offset=contact_offset)
|
||||
|
||||
self.add_rect_center(layer="m1",
|
||||
offset=contact_offset + vector(0, 0.5 * (self.height - contact_offset.y)),
|
||||
width=self.nwell_contact.mod.second_layer_width,
|
||||
|
|
@ -221,8 +229,6 @@ class pgate(design.design):
|
|||
|
||||
layer_stack = self.active_stack
|
||||
|
||||
pwell_position = vector(0, -0.5 * self.m1_width)
|
||||
|
||||
# To the right a spacing away from the nmos right active edge
|
||||
contact_xoffset = nmos_pos.x + nmos.active_width \
|
||||
+ self.active_space
|
||||
|
|
@ -240,6 +246,11 @@ class pgate(design.design):
|
|||
offset=contact_offset,
|
||||
implant_type="p",
|
||||
well_type="p")
|
||||
|
||||
if hasattr(self, "li_stack"):
|
||||
self.add_via_center(layers=self.li_stack,
|
||||
offset=contact_offset)
|
||||
|
||||
self.add_rect_center(layer="m1",
|
||||
offset=contact_offset.scale(1, 0.5),
|
||||
width=self.pwell_contact.mod.second_layer_width,
|
||||
|
|
|
|||
|
|
@ -390,19 +390,8 @@ class ptx(design.design):
|
|||
label = "S"
|
||||
pos = self.contact_offset
|
||||
if self.add_source_contact:
|
||||
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)
|
||||
contact = self.add_diff_contact(label, pos)
|
||||
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",
|
||||
|
|
@ -423,17 +412,7 @@ class ptx(design.design):
|
|||
source_positions.append(pos)
|
||||
|
||||
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,
|
||||
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)
|
||||
contact = self.add_diff_contact(label, pos)
|
||||
if label == "S":
|
||||
self.source_contacts.append(contact)
|
||||
else:
|
||||
|
|
@ -454,22 +433,11 @@ class ptx(design.design):
|
|||
source_positions.append(pos)
|
||||
|
||||
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,
|
||||
size=(1, self.num_contacts),
|
||||
directions=("V", "V"),
|
||||
implant_type=self.implant_type,
|
||||
well_type=self.well_type)
|
||||
contact = self.add_diff_contact(label, pos)
|
||||
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.add_layout_pin_rect_center(text=label,
|
||||
layer="active",
|
||||
|
|
@ -478,6 +446,25 @@ class ptx(design.design):
|
|||
if self.connect_active:
|
||||
self.connect_fingered_active(drain_positions, source_positions)
|
||||
|
||||
def add_diff_contact(self, label, 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)
|
||||
|
||||
if hasattr(self, "li_stack"):
|
||||
self.add_via_center(layers=self.li_stack,
|
||||
offset=pos)
|
||||
|
||||
self.add_layout_pin_rect_center(text=label,
|
||||
layer="m1",
|
||||
offset=pos,
|
||||
width=contact.mod.second_layer_width,
|
||||
height=contact.mod.second_layer_height)
|
||||
return(contact)
|
||||
|
||||
def get_cin(self):
|
||||
"""Returns the relative gate cin of the tx"""
|
||||
return self.tx_width / drc("minwidth_tx")
|
||||
|
|
|
|||
Loading…
Reference in New Issue