# Delay Timing and output power(approx)
cir_file, cir_folder = Simulation_env(arg_var.sp,
edge_type,
spice_pins_str,
spice_card,
act_pin,
out_pin,
clk_pin,
sim_type='dt_opwr')
ngspice_lunch(cir_file, cir_folder, arg_var.fs_sim)
clk_type = 'rising_edge' if edge_type == 1 else 'falling_edge'
timing_info, power_swt_info = timing.timing_generator(
cir_folder,
unate='non_unate',
related_pin='CLK',
timing_type=clk_type)
timing_list.append(timing_info)
power_swt_list.append(power_swt_info)
# Input Capacitance
cir_file, cir_folder = Simulation_env(arg_var.sp,
edge_type,
spice_pins_str,
spice_card,
act_pin,
out_pin,
clk_pin,
sim_type='input_caps')
ngspice_lunch(cir_file, cir_folder, arg_var.fs_sim)
pin_list = list(cell_dict['pin'].keys())
input_pins = [
pin for pin in pin_list
if cell_dict['pin'][pin]['direction'] == 'INPUT'
]
output_pins = [
pin for pin in pin_list
if cell_dict['pin'][pin]['direction'] == 'OUTPUT'
]
for active_pin in input_pins:
# Launching Timing simulation
timing_cir_file, timing_folder, pos_unate = Simulation_env(
pins, card, active_pin, sim_type='timing')
ngspice_launch(timing_cir_file, timing_folder)
# Launching Input Capacitance simulation
caps_cir_file, caps_folder, pos_unate = Simulation_env(
pins, card, active_pin, sim_type='input_caps')
ngspice_launch(caps_cir_file, caps_folder)
undte_value = 'positive_unate' if pos_unate == True else 'negative_unate'
pin_info = timing.input_pins(caps_folder, active_pin, '1.5')
pins_list.append(pin_info)
timing_info, power_swt_info = timing.timing_generator(
timing_folder, unate=undte_value, related_pin=active_pin)
timing_list.append(timing_info)
power_swt_list.append(power_swt_info)
timing_lib(card, timing_list, power_swt_list, pins_list, cell_dict)
direction: "output";
function: "{logic_func}";
power_down_function : "(!VPWR + VGND)";
related_ground_pin : "VGND";
related_power_pin : "VPWR";
{timing_txt}
}}
}}
"""
with open(lib_file, "w") as file_doc:
file_doc.write(cell_card)
print(f'Check: {lib_file}')
if __name__ == '__main__':
pins, card = read_spice()
timing_list = []
for active_pin in input_pins.split():
cir_file, working_folder, pos_unate = Simulation_env(
pins, card, active_pin)
ngspice_lunch(cir_file, working_folder)
undte_value = 'positive_unate' if pos_unate == True else 'negative_unate'
timing_info = timing.timing_generator(working_folder,
unate=undte_value,
related_pin=active_pin)
timing_list.append(timing_info)
timing_lib(card, timing_list)