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Delay chain should have same height cells as control logic to align supplies.

This commit is contained in:
mrg 2021-05-05 15:45:28 -07:00
parent 789a8a1cf0
commit c057490923
1 changed files with 7 additions and 2 deletions
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9
compiler/modules/delay_chain.py
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@ -47,7 +47,7 @@ class delay_chain(design.design):
self.height = self.rows * self.inv.height
# The width is determined by the largest fanout plus the driver
self.width = (max(self.fanout_list) + 1) * self.inv.width
self.place_inverters()
self.route_inverters()
self.route_supplies()
@ -63,7 +63,12 @@ class delay_chain(design.design):
self.add_pin("gnd", "GROUND")
def add_modules(self):
self.inv = factory.create(module_type="pinv")
self.dff = factory.create(module_type="dff_buf")
dff_height = self.dff.height
self.inv = factory.create(module_type="pinv",
height=dff_height)
self.add_mod(self.inv)
def create_inverters(self):