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Use pdriver instead of pinv in pand gates.

This commit is contained in:
Matt Guthaus 2019-08-21 10:18:46 -07:00
parent 53d0544291
commit 54ab9440db
2 changed files with 6 additions and 4 deletions
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3
compiler/pgates/pand2.py
View File

@ -36,7 +36,8 @@ class pand2(pgate.pgate):
self.nand = factory.create(module_type="pnand2",height=self.height) self.nand = factory.create(module_type="pnand2",height=self.height)
self.add_mod(self.nand) self.add_mod(self.nand)
self.inv = factory.create(module_type="pinv", size=self.size, height=self.height) # Assume stage effort of 3
self.inv = factory.create(module_type="pdriver", neg_polarity=True, fanout=3*self.size, height=self.height)
self.add_mod(self.inv) self.add_mod(self.inv)
def create_layout(self): def create_layout(self):

3
compiler/pgates/pand3.py
View File

@ -36,7 +36,8 @@ class pand3(pgate.pgate):
self.nand = factory.create(module_type="pnand3",height=self.height) self.nand = factory.create(module_type="pnand3",height=self.height)
self.add_mod(self.nand) self.add_mod(self.nand)
self.inv = factory.create(module_type="pinv", size=self.size, height=self.height) # Assume stage effort of 3
self.inv = factory.create(module_type="pdriver", neg_polarity=True, fanout=3*self.size, height=self.height)
self.add_mod(self.inv) self.add_mod(self.inv)
def create_layout(self): def create_layout(self):