OpenRAM/technology/sky130/custom/sky130_dummy_bitcell.py

33 lines
1.1 KiB
Python

#!/usr/bin/env python3
# See LICENSE for licensing information.
#
# Copyright (c) 2016-2023 Regents of the University of California
# All rights reserved.
#
from openram import debug
from openram.modules import bitcell_base
from openram.tech import cell_properties as props
class sky130_dummy_bitcell(bitcell_base):
"""
A single bit cell (6T, 8T, etc.) This module implements the
single memory cell used in the design. It is a hand-made cell, so
the layout and netlist should be available in the technology
library.
"""
def __init__(self, version, name=""):
# Ignore the name argument
if version == "opt1":
cell_name = "sky130_fd_bd_sram__openram_sp_cell_opt1_dummy"
elif version == "opt1a":
cell_name = "sky130_fd_bd_sram__openram_sp_cell_opt1a_dummy"
super().__init__(name, cell_name, prop=props.bitcell_1port)
debug.info(2, "Create dummy bitcell")
def build_graph(self, graph, inst_name, port_nets):
""" Adds edges based on inputs/outputs. Overrides base class function. """
pass