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OpenRAM
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Convert power to rails rather than pins in sense amp and precharge

This commit is contained in:
mrg 2022-02-23 14:06:49 -08:00
parent d4c14d7d19
commit baf369fc96
2 changed files with 4 additions and 7 deletions
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3
compiler/modules/precharge_array.py
View File

@ -93,13 +93,14 @@ class precharge_array(design.design):
self.add_via_stack_center(from_layer=en_pin.layer,
to_layer=self.en_bar_layer,
offset=inst.get_pin("en_bar").center())
self.copy_layout_pin(inst, "vdd")
self.route_horizontal_pin("vdd")
for i in range(len(self.local_insts)):
inst = self.local_insts[i]
self.copy_layout_pin(inst, "bl", "bl_{0}".format(i))
self.copy_layout_pin(inst, "br", "br_{0}".format(i))
def create_insts(self):
"""Creates a precharge array by horizontally tiling the precharge cell"""
self.local_insts = []

8
compiler/modules/sense_amp_array.py
View File

@ -75,6 +75,8 @@ class sense_amp_array(design.design):
self.width = self.local_insts[-1].rx()
self.add_layout_pins()
self.route_horizontal_pin("vdd")
self.route_horizontal_pin("gnd")
self.route_rails()
self.add_boundary()
@ -150,12 +152,6 @@ class sense_amp_array(design.design):
for i in range(len(self.local_insts)):
inst = self.local_insts[i]
for gnd_pin in inst.get_pins("gnd"):
self.copy_power_pin(gnd_pin)
for vdd_pin in inst.get_pins("vdd"):
self.copy_power_pin(vdd_pin)
bl_pin = inst.get_pin(inst.mod.get_bl_names())
br_pin = inst.get_pin(inst.mod.get_br_names())
dout_pin = inst.get_pin(inst.mod.dout_name)