| # Copyright 2022 GlobalFoundries PDK Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| ######################################################################################################################## |
| # EFuse Generator for GF180MCU |
| ######################################################################################################################## |
| |
| import pya |
| from .draw_efuse import * |
| |
| class efuse(pya.PCellDeclarationHelper): |
| """ |
| eFuse Generator for GF180MCU |
| """ |
| |
| def __init__(self): |
| |
| # Important: initialize the super class |
| super(efuse, self).__init__() |
| self.param("Model", self.TypeString, "Model", default="gf180mcu_fd_pr__efuse",readonly=True) |
| self.param("array_x", self.TypeInt, "Elements in x_direction", default=1) |
| self.param("array_y", self.TypeInt, "Elements in y_direction", default=1) |
| self.param("x_spacing", self.TypeDouble, "Spacing in x_direction", default=1,unit="um") |
| self.param("y_spacing", self.TypeDouble, "Spacing in y_direction", default=1,unit="um") |
| |
| |
| def display_text_impl(self): |
| # Provide a descriptive text for the cell |
| return "efuse" |
| |
| def coerce_parameters_impl(self): |
| # We employ coerce_parameters_impl to decide whether the handle or the |
| # numeric parameter has changed (by comparing against the effective |
| # radius ru) and set ru to the effective radius. We also update the |
| # numerical value or the shape, depending on which on has not changed. |
| pass |
| |
| |
| def can_create_from_shape_impl(self): |
| # Implement the "Create PCell from shape" protocol: we can use any shape which |
| # has a finite bounding box |
| # return self.shape.is_box() or self.shape.is_polygon() or self.shape.is_path() |
| pass |
| |
| def parameters_from_shape_impl(self): |
| # Implement the "Create PCell from shape" protocol: we set r and l from the shape's |
| # bounding box width and layer |
| # self.r = self.shape.bbox().width() * self.layout.dbu / 2 |
| # self.l = self.layout.get_info(self.layer) |
| pass |
| |
| def transformation_from_shape_impl(self): |
| # Implement the "Create PCell from shape" protocol: we use the center of the shape's |
| # bounding box to determine the transformation |
| # return pya.Trans(self.shape.bbox().center()) |
| pass |
| |
| def produce_impl(self): |
| |
| # This is the main part of the implementation: create the layout |
| |
| self.percision = 1/self.layout.dbu |
| efuse_instance = draw_efuse(layout=self.layout) |
| write_cells = pya.CellInstArray(efuse_instance.cell_index(), pya.Trans(pya.Point(0, 0)), |
| pya.Vector(self.x_spacing*self.percision, 0), pya.Vector(0, self.y_spacing*self.percision),self.array_x , self.array_y) |
| |
| self.cell.flatten(1) |
| self.cell.insert(write_cells) |
| self.layout.cleanup() |