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merge in wlbuf and begin work on 32kb memory
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@@ -5,6 +5,7 @@
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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#
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import debug
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from bitcell_base_array import bitcell_base_array
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from s8_corner import s8_corner
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from tech import drc, spice
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@@ -20,11 +21,17 @@ class bitcell_array(bitcell_base_array):
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"""
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def __init__(self, rows, cols, column_offset=0, name=""):
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super().__init__(rows=rows, cols=cols, column_offset=column_offset, name=name)
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debug.info(1, "Creating {0} {1} x {2}".format(self.name, rows, cols))
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self.add_comment("rows: {0} cols: {1}".format(rows, cols))
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# This will create a default set of bitline/wordline names
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self.create_all_bitline_names()
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self.create_all_wordline_names()
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self.create_netlist()
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if not OPTS.netlist_only:
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self.create_layout()
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# We don't offset this because we need to align
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# the replica bitcell in the control logic
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# self.offset_all_coordinates()
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@@ -112,15 +119,10 @@ class bitcell_array(bitcell_base_array):
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bl_wire.wire_c =spice["min_tx_drain_c"] + bl_wire.wire_c
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return bl_wire
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def get_wordline_cin(self):
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"""Get the relative input capacitance from the wordline connections in all the bitcell"""
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# A single wordline is connected to all the bitcells in a single row meaning the capacitance depends on the # of columns
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bitcell_wl_cin = self.cell.get_wl_cin()
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total_cin = bitcell_wl_cin * self.column_size
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return total_cin
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def graph_exclude_bits(self, targ_row, targ_col):
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"""Excludes bits in column from being added to graph except target"""
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def graph_exclude_bits(self, targ_row=None, targ_col=None):
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"""
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Excludes bits in column from being added to graph except target
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"""
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# Function is not robust with column mux configurations
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for row in range(self.row_size):
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for col in range(self.column_size):
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