| # 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. |
| |
| ######################################################################################################################## |
| # MOSFET Generator for GF180MCU |
| ######################################################################################################################## |
| import pya |
| from .draw_mos import * |
| |
| mos_3p3_l = 0.28 |
| mos_3p3_w = 0.22 |
| mos_5_6_w = 0.3 |
| |
| nmos_5p0_l = 0.6 |
| nmos_6p0_l = 0.7 |
| |
| pmos_5p0_l = 0.5 |
| pmos_6p0_l = 0.55 |
| |
| nmos_nat_l = 1.8 |
| nmos_nat_w = 0.8 |
| mos_grw = 0.36 |
| mos_ld = 0.44 |
| |
| ldmos_l_min = 0.6 |
| ldmos_l_max = 20 |
| ldmos_w_min = 4 |
| ldmos_w_max = 50 |
| |
| class nmos(pya.PCellDeclarationHelper): |
| """ |
| NMOS Generator for GF180MCU |
| """ |
| |
| def __init__(self): |
| # Initialize super class. |
| super(nmos, self).__init__() |
| |
| #===================== PARAMETERS DECLARATIONS ===================== |
| self.param("deepnwell", self.TypeBoolean, "Deep NWELL", default=0) |
| self.param("pcmpgr", self.TypeBoolean, "Deep NWELL Guard Ring", default=0) |
| self.Type_handle = self.param("volt", self.TypeList, "Operating Voltage") |
| self.Type_handle.add_choice("3.3V", "3.3V") |
| self.Type_handle.add_choice("5V", "5V") |
| self.Type_handle.add_choice("6V", "6V") |
| self.Type_handle = self.param("bulk", self.TypeList, "Bulk Type") |
| self.Type_handle.add_choice("None", "None") |
| self.Type_handle.add_choice("Bulk Tie", "Bulk Tie") |
| self.Type_handle.add_choice("Guard Ring", "Guard Ring") |
| |
| self.param("w", self.TypeDouble, "Width", default=mos_3p3_w, unit="um") |
| self.param("l", self.TypeDouble, "Length", default=mos_3p3_l, unit="um") |
| self.param("ld", self.TypeDouble, "Diffusion Length", default=mos_ld, unit="um") |
| self.param("nf", self.TypeInt, "Number of Fingers", default=1) |
| self.param("grw", self.TypeDouble, "Guard Ring Width", default=mos_grw, unit="um") |
| self.param("area", self.TypeDouble,"Area", readonly=True, unit="um^2") |
| self.param("perim", self.TypeDouble,"Perimeter", readonly=True, unit="um") |
| |
| def display_text_impl(self): |
| # Provide a descriptive text for the cell |
| return "nmos(L=" + ('%.3f' % self.l) + ",W=" + ('%.3f' % self.w) + ")" |
| |
| 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. |
| self.area = self.w * self.l |
| self.perim = 2*(self.w + self.l) |
| # w,l must be larger or equal than min. values. |
| if self.volt == "3.3V": |
| if (self.l) < mos_3p3_l: |
| self.l = mos_3p3_l |
| if (self.w) < mos_3p3_w: |
| self.w = mos_3p3_w |
| elif self.volt == "5V": |
| if (self.l) < nmos_5p0_l: |
| self.l = nmos_5p0_l |
| if (self.w) < mos_5_6_w: |
| self.w = mos_5_6_w |
| elif self.volt == "6V": |
| if (self.l) < nmos_6p0_l: |
| self.l = nmos_6p0_l |
| if (self.w) < mos_5_6_w: |
| self.w = mos_5_6_w |
| if (self.grw) < mos_grw: |
| self.grw = mos_grw |
| |
| 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() |
| |
| 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) |
| |
| 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()) |
| |
| def produce_impl(self): |
| instance = draw_nmos(self.layout, self.l, self.w, self.ld, self.nf, self.grw, self.bulk, self.volt, self.deepnwell, self.pcmpgr) |
| write_cells = pya.CellInstArray(instance.cell_index(), pya.Trans(pya.Point(0, 0)), |
| pya.Vector(0, 0), pya.Vector(0, 0), 1, 1) |
| self.cell.insert(write_cells) |
| self.cell.flatten(1) |
| |
| class pmos(pya.PCellDeclarationHelper): |
| """ |
| PMOS Generator for GF180MCU |
| """ |
| |
| def __init__(self): |
| # Initialize super class. |
| super(pmos, self).__init__() |
| |
| #===================== PARAMETERS DECLARATIONS ===================== |
| self.param("deepnwell", self.TypeBoolean, "Deep NWELL", default=0) |
| self.param("pcmpgr", self.TypeBoolean, "Deep NWELL Guard Ring", default=0) |
| self.Type_handle = self.param("volt", self.TypeList, "Voltage area") |
| self.Type_handle.add_choice("3.3V", "3.3V") |
| self.Type_handle.add_choice("5V", "5V") |
| self.Type_handle.add_choice("6V", "6V") |
| self.Type_handle = self.param("bulk", self.TypeList, "Bulk Type") |
| self.Type_handle.add_choice("None", "None") |
| self.Type_handle.add_choice("Bulk Tie", "Bulk Tie") |
| self.Type_handle.add_choice("Guard Ring", "Guard Ring") |
| |
| self.param("w", self.TypeDouble, "Width", default=mos_3p3_w, unit="um") |
| self.param("l", self.TypeDouble, "Length", default=mos_3p3_l, unit="um") |
| self.param("ld", self.TypeDouble, "Diffusion Length", default=mos_ld, unit="um") |
| self.param("nf", self.TypeInt, "Number of Fingers", default=1) |
| self.param("grw", self.TypeDouble, "Guard Ring Width", default=mos_grw, unit="um") |
| self.param("area", self.TypeDouble,"Area", readonly=True, unit="um^2") |
| self.param("perim", self.TypeDouble,"Perimeter", readonly=True, unit="um") |
| |
| def display_text_impl(self): |
| # Provide a descriptive text for the cell |
| return "pmos(L=" + ('%.3f' % self.l) + ",W=" + ('%.3f' % self.w) + ")" |
| |
| 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. |
| self.area = self.w * self.l |
| self.perim = 2*(self.w + self.l) |
| # w,l must be larger or equal than min. values. |
| if self.volt == "3.3V": |
| if (self.l) < mos_3p3_l: |
| self.l = mos_3p3_l |
| if (self.w) < mos_3p3_w: |
| self.w = mos_3p3_w |
| elif self.volt == "5V": |
| if (self.l) < pmos_5p0_l: |
| self.l = pmos_5p0_l |
| if (self.w) < mos_5_6_w: |
| self.w = mos_5_6_w |
| elif self.volt == "6V": |
| if (self.l) < pmos_6p0_l: |
| self.l = pmos_6p0_l |
| if (self.w) < mos_5_6_w: |
| self.w = mos_5_6_w |
| if (self.grw) < mos_grw: |
| self.grw = mos_grw |
| |
| 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() |
| |
| 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) |
| |
| 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()) |
| |
| def produce_impl(self): |
| instance = draw_pmos(self.layout, self.l, self.w, self.ld, self.nf, self.grw, self.bulk, self.volt, self.deepnwell, self.pcmpgr) |
| write_cells = pya.CellInstArray(instance.cell_index(), pya.Trans(pya.Point(0, 0)), |
| pya.Vector(0, 0), pya.Vector(0, 0), 1, 1) |
| self.cell.insert(write_cells) |
| self.cell.flatten(1) |
| |
| class nmos_6p0_nat(pya.PCellDeclarationHelper): |
| """ |
| 6V Native NMOS Generator for GF180MCU |
| """ |
| |
| def __init__(self): |
| # Initialize super class. |
| super(nmos_6p0_nat, self).__init__() |
| |
| #===================== PARAMETERS DECLARATIONS ===================== |
| self.Type_handle = self.param("bulk", self.TypeList, "Bulk Type") |
| self.Type_handle.add_choice("None", "None") |
| self.Type_handle.add_choice("Bulk Tie", "Bulk Tie") |
| self.Type_handle.add_choice("Guard Ring", "Guard Ring") |
| |
| self.param("w", self.TypeDouble, "Width", default=nmos_nat_w, unit="um") |
| self.param("l", self.TypeDouble, "Length", default=nmos_nat_l, unit="um") |
| self.param("ld", self.TypeDouble, "Diffusion Length", default=mos_ld, unit="um") |
| self.param("nf", self.TypeInt, "Number of Fingers", default=1) |
| self.param("grw", self.TypeDouble, "Guard Ring Width", default=mos_grw, unit="um") |
| self.param("area", self.TypeDouble,"Area", readonly=True, unit="um^2") |
| self.param("perim", self.TypeDouble,"Perimeter", readonly=True, unit="um") |
| |
| def display_text_impl(self): |
| # Provide a descriptive text for the cell |
| return "nmos_6p0_nat(L=" + ('%.3f' % self.l) + ",W=" + ('%.3f' % self.w) + ")" |
| |
| 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. |
| self.area = self.w * self.l |
| self.perim = 2*(self.w + self.l) |
| # w,l must be larger or equal than min. values. |
| if (self.l) < nmos_nat_l: |
| self.l = nmos_nat_l |
| if (self.w) < nmos_nat_w: |
| self.w = nmos_nat_w |
| if (self.grw) < mos_grw: |
| self.grw = mos_grw |
| |
| 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() |
| |
| 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) |
| |
| 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()) |
| |
| def produce_impl(self): |
| instance = draw_nmos_6p0_nat(self.layout, self.l, self.w, self.ld, self.nf, self.grw, self.bulk) |
| write_cells = pya.CellInstArray(instance.cell_index(), pya.Trans(pya.Point(0, 0)), |
| pya.Vector(0, 0), pya.Vector(0, 0), 1, 1) |
| self.cell.insert(write_cells) |
| self.cell.flatten(1) |
| |
| class nmos_10p0_asym(pya.PCellDeclarationHelper): |
| """ |
| 10V LDNMOS Generator for GF180MCU |
| """ |
| |
| def __init__(self): |
| # Initialize super class. |
| super(nmos_10p0_asym, self).__init__() |
| |
| #===================== PARAMETERS DECLARATIONS ===================== |
| |
| self.param("w", self.TypeDouble, "Width", default=ldmos_w_min, unit="um") |
| self.param("l", self.TypeDouble, "Length", default=ldmos_l_min, unit="um") |
| self.param("area", self.TypeDouble,"Area", readonly=True, unit="um^2") |
| self.param("perim", self.TypeDouble,"Perimeter", readonly=True, unit="um") |
| |
| def display_text_impl(self): |
| # Provide a descriptive text for the cell |
| return "nmos_10p0_asym(L=" + ('%.3f' % self.l) + ",W=" + ('%.3f' % self.w) + ")" |
| |
| 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. |
| self.area = self.w * self.l |
| self.perim = 2*(self.w + self.l) |
| # w,l must be larger or equal than min. values. |
| if (self.l) < ldmos_l_min: |
| self.l = ldmos_l_min |
| if (self.l) > ldmos_l_max: |
| self.l = ldmos_l_max |
| if (self.w) < ldmos_w_min: |
| self.w = ldmos_w_min |
| if (self.w) > ldmos_w_max: |
| self.w = ldmos_w_max |
| |
| 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() |
| |
| 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) |
| |
| 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()) |
| |
| def produce_impl(self): |
| instance = draw_nmos_10p0_asym(self.layout, self.l, self.w) |
| write_cells = pya.CellInstArray(instance.cell_index(), pya.Trans(pya.Point(0, 0)), |
| pya.Vector(0, 0), pya.Vector(0, 0), 1, 1) |
| self.cell.insert(write_cells) |
| self.cell.flatten(1) |
| |
| class pmos_10p0_asym(pya.PCellDeclarationHelper): |
| """ |
| 10V LDPMOS Generator for GF180MCU |
| """ |
| |
| def __init__(self): |
| # Initialize super class. |
| super(pmos_10p0_asym, self).__init__() |
| |
| #===================== PARAMETERS DECLARATIONS ===================== |
| |
| self.param("w", self.TypeDouble, "Width", default=ldmos_w_min, unit="um") |
| self.param("l", self.TypeDouble, "Length", default=ldmos_l_min, unit="um") |
| self.param("double_gr", self.TypeBoolean, "Double Guard Ring", default=1) |
| self.param("area", self.TypeDouble,"Area", readonly=True, unit="um^2") |
| self.param("perim", self.TypeDouble,"Perimeter", readonly=True, unit="um") |
| |
| def display_text_impl(self): |
| # Provide a descriptive text for the cell |
| return "pmos_10p0_asym(L=" + ('%.3f' % self.l) + ",W=" + ('%.3f' % self.w) + ")" |
| |
| 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. |
| self.area = self.w * self.l |
| self.perim = 2*(self.w + self.l) |
| # w,l must be larger or equal than min. values. |
| if (self.l) < ldmos_l_min: |
| self.l = ldmos_l_min |
| if (self.l) > ldmos_l_max: |
| self.l = ldmos_l_max |
| if (self.w) < ldmos_w_min: |
| self.w = ldmos_w_min |
| if (self.w) > ldmos_w_max: |
| self.w = ldmos_w_max |
| |
| 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() |
| |
| 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) |
| |
| 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()) |
| |
| def produce_impl(self): |
| instance = draw_pmos_10p0_asym(self.layout, self.l, self.w, self.double_gr) |
| write_cells = pya.CellInstArray(instance.cell_index(), pya.Trans(pya.Point(0, 0)), |
| pya.Vector(0, 0), pya.Vector(0, 0), 1, 1) |
| self.cell.insert(write_cells) |
| self.cell.flatten(1) |
