| ######################################################################################################################## |
| # 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. |
| ## |
| ######################################################################################################################## |
| ## |
| # This file is authored by: |
| # - <Mina Maksimous> <mina_maksimous@mabrains.com> |
| ######################################################################################################################## |
| |
| |
| import pya |
| import nmos18 as nmos |
| from .layers_definiations import * |
| import os |
| repo_path = os.environ['automation_repo'] |
| gds_path = repo_path+"/generators/klayout/" |
| class bjt(nmos.nmos18_device): |
| |
| n_well_diffusion_spacing = 0.34 |
| tap_width = 0.26 |
| |
| def __init__(self, layout, device_name,guard_ring = 1): |
| self.layout = layout |
| self.device_name = device_name |
| self.percision = 1/layout.dbu |
| self.l_guard = self.layout.layer( |
| psdm_lay_num, psdm_lay_dt) |
| |
| self.gr = guard_ring |
| |
| def add_labels (self): |
| pass |
| |
| |
| |
| def draw_bjt(self): |
| if self.device_name == "npn_w1_l1": |
| self.layout.read(gds_path+self.device_name+".gds") |
| self.cell_name = "sky130_fd_pr__rf_npn_05v5_W1p00L1p00" |
| elif self.device_name == "npn_w1_l2": |
| self.layout.read(gds_path+self.device_name+".gds") |
| self.cell_name = "sky130_fd_pr__rf_npn_05v5_W1p00L2p00" |
| |
| enlarge_value = int((bjt.n_well_diffusion_spacing + |
| bjt.tap_width/2)*self.percision) |
| self.bjt_bbox = self.layout.cell(self.cell_name).bbox().enlarge(enlarge_value,enlarge_value) |
| # print('--->',(self.bjt_bbox.p1.x-1000*enlarge_value)/self.percision) |
| # print('--->',self.bjt_bbox.p1.x-1*enlarge_value) |
| if self.gr: |
| self.draw_guard_ring(layout=self.layout, |
| x=(self.bjt_bbox.p1.x), |
| y=(self.bjt_bbox.p1.y), |
| guard_width=self.bjt_bbox.width()/self.percision, |
| guard_height=self.bjt_bbox.height()/self.percision, |
| tap_width=bjt.tap_width, cell=self.layout.cell(self.cell_name), |
| precision=self.percision) |
| |
| return self.layout.cell(self.cell_name) |
| |
| |
