48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
from LIBERTY import *
|
|
|
|
library = Library("test")
|
|
|
|
# Attributes
|
|
library.addAttribute("default_inout_pin_cap", Attribute.Type.Double, "0.011")
|
|
library.addAttribute("default_wire_load_mode", Attribute.Type.String, "enclosed")
|
|
library.addAttribute("time_unit", Attribute.Type.Unit, "1", "ns")
|
|
library.addAttribute("capacitive_load_unit", Attribute.Type.Unit, "1", "pf")
|
|
|
|
# WireLoads
|
|
library.addWireLoad("medium")
|
|
wireLoad = library.getWireLoad("medium")
|
|
wireLoad.addAttribute("slope", Attribute.Type.Double, "200")
|
|
wireLoad.addAttribute("fanout_length", Attribute.Type.Pair, "1", "200")
|
|
|
|
# WireLoadSelection
|
|
library.addWireLoadSelection("medium")
|
|
wireLoadSelection = library.getWireLoadSelection()
|
|
wireLoadSelection.addWireLoadArea(0, 500, "small")
|
|
|
|
# Cells
|
|
library.addCell("inv")
|
|
cell = library.getCell("inv")
|
|
cell.addAttribute("area", Attribute.Type.Double, "1")
|
|
cell.addAttribute("cell_footprint", Attribute.Type.String, "inv")
|
|
|
|
# Pins
|
|
cell.addPin("e")
|
|
pin = cell.getPin("e")
|
|
pin.addAttribute("direction", Attribute.Type.String, "input")
|
|
pin.addAttribute("capacitance", Attribute.Type.Double, "0.008")
|
|
|
|
cell.addPin("s")
|
|
pin = cell.getPin("s")
|
|
pin.addAttribute("direction", Attribute.Type.String, "output")
|
|
pin.addAttribute("function", Attribute.Type.String, "i'")
|
|
|
|
# Timing
|
|
pin.addTiming()
|
|
timing = pin.getTimings()[-1]
|
|
timing.addAttribute("timing_sense", Attribute.Type.String, "negative_unate")
|
|
timing.addAttribute("related_pin", Attribute.Type.String, "e")
|
|
timing.addAttribute("intrinsic_rise", Attribute.Type.Double, "0.101")
|
|
|
|
# Write
|
|
library.writeToFile("testDrive.lib")
|