| * Copyright 2020 The SkyWater 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 |
| * |
| * https://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. |
| |
| * SKY130 Spice File. |
| .param sky130_fd_pr__res_generic_po__slope = 0.0 |
| .param sky130_fd_pr__res_generic_po__tc1_slope = 1.0 |
| .param sky130_fd_pr__res_generic_po__tc2_slope = 1.0 |
| * statistics { |
| * mismatch { |
| * vary sky130_fd_pr__res_generic_po__slope dist=gauss std=0.12 |
| * } |
| * process { |
| * vary sky130_fd_pr__res_generic_po__tc1_slope dist=gauss std=0.125 |
| * vary sky130_fd_pr__res_generic_po__tc2_slope dist=gauss std=0.125 |
| * } |
| * } |
| .subckt sky130_fd_pr__res_generic_po r0 r1 |
| + |
| .param w = 1 l = 0 mult = 1 r = 0 tc1 = tc1rsgpu*sky130_fd_pr__res_generic_po__tc1_slope tc2 = tc2rsgpu*sky130_fd_pr__res_generic_po__tc2_slope |
| + rp1_mm = rp1*sky130_fd_pr__res_generic_po__slope/sqrt(2.0*l*w*mult+rp1/100000.0) |
| + r_tot = (rp1+rp1_mm)*l/(w-1e6*(-tol_poly-poly_dw))+r |
| sky130_fd_pr__res_generic_po r0 r1 sky130_fd_pr__res_generic_po__monte r = r_tot tc1r = tc1 tc2r = tc2 |
| .model sky130_fd_pr__res_generic_po__monte r tref = 30.0 |
| .ends sky130_fd_pr__res_generic_po |
