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Fix offsets for local bitcell arrays.

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This commit is contained in:
mrg
2022-05-13 10:46:00 -07:00
parent 357f967a93
commit 4345136d1a
3 changed files with 29 additions and 36 deletions
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compiler/modules/local_bitcell_array.py
+9 -7
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@@ -159,18 +159,20 @@ class local_bitcell_array(bitcell_base_array.bitcell_base_array):
def place(self):
""" Place the bitcelll array to the right of the wl driver. """
# FIXME: Replace this with a tech specific paramter
# FIXME: Replace this with a tech specific parameter
driver_to_array_spacing = 3 * self.m3_pitch
self.wl_insts[0].place(vector(0,
self.bitcell_array.get_replica_bottom() + self.cell.height))
wl_offset = vector(0, self.bitcell_array.get_replica_bottom())
self.wl_insts[0].place(wl_offset)
self.bitcell_array_inst.place(vector(self.wl_insts[0].rx() + driver_to_array_spacing,
0))
bitcell_array_offset = vector(self.wl_insts[0].rx() + driver_to_array_spacing, 0)
self.bitcell_array_inst.place(bitcell_array_offset)
if len(self.all_ports) > 1:
self.wl_insts[1].place(vector(self.bitcell_array_inst.rx() + self.wl_array.width + driver_to_array_spacing,
self.bitcell_array.get_replica_top() + self.cell.height),
wl_offset = vector(self.bitcell_array_inst.rx() + self.wl_array.width + driver_to_array_spacing,
self.bitcell_array.get_replica_bottom() + self.wl_array.height + self.cell.height)
self.wl_insts[1].place(wl_offset,
mirror="XY")
self.height = self.bitcell_array.height