| ######################################################################################################################## |
| # Copyright 2022 Mabrains Company LLC |
| # |
| # Licensed under the LGPL v2.1 License (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html |
| # |
| # 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. |
| ## |
| ######################################################################################################################### |
| # Copyright (C) 2018-2021 Mabrains Company LLC <contact@mabrains.com> |
| ## |
| # This file is authored by: |
| # - <Mina Maksimous> <mina_maksimous@mabrains.com> |
| ## |
| ######################################################################################################################## |
| |
| ######################################################################################################################## |
| # Mabrains Company LLC |
| ## |
| # Mabrains PMOS 1.8V Generator for Skywaters 130nm |
| ######################################################################################################################## |
| |
| from .nmos18 import * |
| |
| |
| class pmos18_device(nmos18_device): |
| |
| |
| def __init__(self, w=0.42, l=0, nf=1, gr=1, |
| dsa=2, |
| connection=0, |
| n=1, |
| x_offest=0, |
| y_offest=0, |
| conn_num=0, |
| gate_connection="gate_connection_", |
| gate_connection_up="gate_connection_up_", |
| gate_connection_down="gate_connection_down_", |
| drain_connection="drain_connection_", |
| source_connection="source_connection_", |
| connection_labels=1, |
| connected_gates=1, |
| layout=None): |
| super().__init__(w=w, l=l, nf=nf, gr=gr, dsa=dsa, connection=connection, |
| n=n, x_offest=x_offest, y_offest=y_offest, conn_num=conn_num, |
| gate_connection=gate_connection, |
| gate_connection_up=gate_connection_up, gate_connection_down=gate_connection_down, drain_connection=drain_connection, |
| source_connection=source_connection, layout=layout,connection_labels=connection_labels,connected_gates=connected_gates) |
| |
| self.layout = layout |
| self.percision = 1/self.layout.dbu |
| self.l_diff_implant = self.layout.layer(psdm_lay_num, psdm_lay_dt) |
| self.l_guard = self.layout.layer( |
| nsdm_lay_num, nsdm_lay_dt) # guard ring implant layer |
| self.cell_str = "pmos18_w" + str(self.w).replace(".", "p") + "u_l" + str(self.l).replace(".", "p") + "u_nf" + str( |
| self.nf) + "_drain_area" + str(self.dsa) + "_gate_connection" + str(self.connection) + "alt" + str(self.n) |
| self.l_nwell = self.layout.layer(nwell_lay_num, nwell_lay_dt) |
| self.nwell_extension = 0.18 * self.percision |
| # def draw_guard_ring(self, layout, x, y, guard_width, guard_height, precision, tap_width=0.26, cell=None, type='n'): |
| # return super().draw_guard_ring(layout, x, y, guard_width, guard_height, precision, tap_width=tap_width, cell=cell, type=type) |
| |
| def draw_nmos(self): |
| self.pmos_cell = super().draw_nmos() |
| self.pmos_cell.shapes(self.l_nwell).insert( |
| self.pmos_cell.bbox().enlarge(self.nwell_extension, self.nwell_extension)) |
| return self.pmos_cell |
