mirror of https://github.com/VLSIDA/OpenRAM.git
Gate sen during first half period
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parent
8d6a4c74e7
commit
6cf7366c56
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@ -131,10 +131,10 @@ class control_logic(design.design):
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self.add_mod(self.wen_and)
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self.add_mod(self.wen_and)
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# s_en drives every sense amp
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# s_en drives every sense amp
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self.sen_and2 = factory.create(module_type="pand2",
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self.sen_and3 = factory.create(module_type="pand3",
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size=self.word_size,
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size=self.word_size,
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height=dff_height)
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height=dff_height)
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self.add_mod(self.sen_and2)
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self.add_mod(self.sen_and3)
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# used to generate inverted signals with low fanout
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# used to generate inverted signals with low fanout
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self.inv = factory.create(module_type="pinv",
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self.inv = factory.create(module_type="pinv",
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@ -645,8 +645,8 @@ class control_logic(design.design):
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input_name = "cs_bar"
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input_name = "cs_bar"
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# GATE FOR S_EN
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# GATE FOR S_EN
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self.s_en_gate_inst = self.add_inst(name="buf_s_en_and",
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self.s_en_gate_inst = self.add_inst(name="buf_s_en_and",
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mod=self.sen_and2)
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mod=self.sen_and3)
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self.connect_inst(["rbl_bl_delay", input_name, "s_en", "vdd", "gnd"])
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self.connect_inst(["rbl_bl_delay", "gated_clk_bar", input_name, "s_en", "vdd", "gnd"])
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def place_sen_row(self,row):
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def place_sen_row(self,row):
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@ -664,7 +664,7 @@ class control_logic(design.design):
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else:
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else:
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input_name = "cs_bar"
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input_name = "cs_bar"
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sen_map = zip(["A", "B"], ["rbl_bl_delay", input_name])
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sen_map = zip(["A", "B", "C"], ["rbl_bl_delay", "gated_clk_bar", input_name])
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self.connect_vertical_bus(sen_map, self.s_en_gate_inst, self.rail_offsets)
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self.connect_vertical_bus(sen_map, self.s_en_gate_inst, self.rail_offsets)
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self.connect_output(self.s_en_gate_inst, "Z", "s_en")
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self.connect_output(self.s_en_gate_inst, "Z", "s_en")
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