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Rework replica_bitcell_array supplies

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Uses layer and direction preferences in tech file.
Places straps on left/right or top/bottom.
This commit is contained in:
mrg
2022-04-19 08:50:11 -07:00
parent 5e546ee974
commit 64f2f90664
11 changed files with 210 additions and 61 deletions
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compiler/base/custom_cell_properties.py
+10
View File
@@ -156,6 +156,16 @@ class bitcell(cell):
self.storage_nets = storage_nets
self.wl_layer = "m1"
self.wl_dir = "H"
self.bl_layer = "m2"
self.bl_dir = "V"
self.vdd_layer = "m1"
self.vdd_dir = "H"
self.gnd_layer = "m1"
self.gnd_dir = "H"
class cell_properties():
"""
compiler/base/hierarchy_layout.py
+8 -9
View File
@@ -673,9 +673,9 @@ class layout():
bot_pos = vector(x, bot_y)
if num_pins==2:
self.add_layout_pin_rect_ends(name=name,
layer=pin_layer,
start=top_pos,
self.add_layout_pin_rect_ends(name=name,
layer=pin_layer,
start=top_pos,
end=bot_pos,
width=via_width)
else:
@@ -689,10 +689,10 @@ class layout():
def add_layout_pin_rect_ends(self, name, layer, start, end, width=None):
# This adds pins on the end connected by a segment
top_rect = self.add_layout_pin_rect_center(text=name,
top_rect = self.add_layout_pin_rect_center(text=name,
layer=layer,
offset=start)
bot_rect = self.add_layout_pin_rect_center(text=name,
bot_rect = self.add_layout_pin_rect_center(text=name,
layer=layer,
offset=end)
# This is made to not overlap with the pin above
@@ -773,9 +773,9 @@ class layout():
right_pos = vector(right_x, y)
if num_pins==2:
self.add_layout_pin_rect_ends(name=name,
layer=pin_layer,
start=left_pos,
self.add_layout_pin_rect_ends(name=name,
layer=pin_layer,
start=left_pos,
end=right_pos,
width=via_height)
else:
@@ -812,7 +812,6 @@ class layout():
end=end_pin.bc())
else:
debug.error("Cannot have a point pin.", -1)
def add_layout_pin_segment_center(self, text, layer, start, end, width=None):
"""