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rom base passing tests with top level routing

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This commit is contained in:
Jacob Walker
2023-03-30 11:30:50 -07:00
parent 7c453e80be
commit fef9902c45
11 changed files with 176 additions and 83 deletions
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compiler/modules/rom_poly_tap.py
+9 -16
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@@ -13,11 +13,15 @@ from openram.tech import drc
class rom_poly_tap(design):
def __init__(self, name="", cell_name=None, tx_type="nmos", strap_layer="m2", add_tap=False):
def __init__(self, name="", cell_name=None, tx_type="nmos", strap_layer="m2", add_active_tap=False, place_poly=None):
super().__init__(name, cell_name)
self.strap_layer=strap_layer
self.tx_type = tx_type
self.add_tap = add_tap
self.add_tap = add_active_tap
if place_poly is None:
self.place_poly = add_active_tap
else:
self.place_poly = place_poly
self.pitch_offset = 0
self.create_netlist()
self.create_layout()
@@ -32,7 +36,7 @@ class rom_poly_tap(design):
self.place_via()
self.add_boundary()
if self.add_tap:
if self.add_tap or self.place_poly:
self.place_active_tap()
self.extend_poly()
@@ -47,14 +51,6 @@ class rom_poly_tap(design):
contact_width = self.poly_contact.width
# DRC rule here is hard coded since licon.9 isnt included in skywater130 tech file
# poly contact spacing to P-diffusion < 0.235um (licon.9 + psdm.5a)
# if OPTS.tech_name == "sky130":
# self.contact_x_offset = 0.235 - (contact_width - self.pmos.contact_width) * 0.5 - self.poly_extend_active
# else:
# assert(False)
contact_y = self.dummy.cell_inst.width * 0.5 - 0.5 * self.contact_width - self.active_enclose_contact
self.contact_x_offset = 0
@@ -91,13 +87,10 @@ class rom_poly_tap(design):
tap_edge = tap_x + 0.5 * self.active_contact.height
self.pitch_offset += (self.active_space * 2) - (tap_edge - active_edge) + self.contact_x_offset
if self.tx_type == "nmos":
if self.tx_type == "nmos" and self.add_tap:
self.add_via_center(layers=self.active_stack,
offset=contact_pos,
implant_type="p",
well_type="p",
directions="nonpref")
self.add_power_pin(name="gnd",
loc=contact_pos,
start_layer=self.active_stack[2])
self.add_layout_pin_rect_center("active_tap", self.supply_stack[0], contact_pos)
self.add_layout_pin_rect_center("active_tap", self.active_stack[2], contact_pos)