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