| * 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. |
| * statistics { |
| * mismatch { |
| * } |
| * process { |
| * vary sky130_fd_pr__res_xhigh_po__var_mult dist=gauss std=0.025 |
| * vary sky130_fd_pr__res_high_po__var dist=gauss std=0.025 |
| * } |
| * } |
| .subckt sky130_fd_pr__res_high_po r0 r1 b |
| + w=1 l=1 |
| .param mult = 1.0 |
| + rsheet = 317.3885 |
| + rbody_dw = -0.001 |
| + rhead_ps = 345.8312 |
| + mm_const = {(w<0.69)?0.1:0.2} |
| + body_pelgrom = 0.03552 |
| + head_pelgrom = 0.0761 |
| + num_con_row = {max(floor(0.5+(w-0.33)/0.36),1)} |
| + rbody_match = {body_pelgrom/sqrt(w*l*mult)*sky130_fd_pr__res_high_po__slope_spectre} |
| + rend_match = {head_pelgrom/sqrt((w+0.525)*num_con_row*mult)*sky130_fd_pr__res_high_po__con_slope_spectre} |
| + weff = {w+rbody_dw-0.0672*max(0.69-w,0)} |
| + leff = {l+0.247} |
| + res_match = {(body_pelgrom/sqrt(w*l*mult))*sky130_fd_pr__res_high_po__slope_spectre} |
| rhead r0 rb rhead_model w = {weff+0.1558} l = 1.0 |
| rbody rb r1 rbody_model w = {weff} l = {leff} |
| xc0 r0 r1 b sky130_fd_pr__model__parasitic__res_po w = {w} l = {l} |
| .model rhead_model r sw_et=0 isnoisy=0 |
| + rsh = {345.8312*(1+sky130_fd_pr__res_high_po__var)*(1+rend_match)} |
| + p2 = {-80.87e-3/cosh(6.34e-3*weff*weff)*(1-exp(-1.554/leff))} |
| + q2 = {10.13/cosh(0.0898*weff*weff)} |
| + tc1 = -4.3e-4 tc2 = 12e-6 tnom = 30.0 |
| .model rbody_model r sw_et=0 isnoisy=0 |
| + rsh = {rsheet*(1+sky130_fd_pr__res_high_po__var)*(1+res_match)} |
| + p2 = {(w>0.6)?130.8e3*(1-exp(-1.818e-3*leff/weff))-867.4/weff+2236*weff/leff:300*(1-exp(-0.1124*leff/weff))+304.8*weff/leff} |
| + q2 = {(w>0.6)?6.11*(1-exp(-852.8e-6*leff/weff))+1.375e-3*weff:0.5*0.3155*(1-exp(-0.05518*leff/weff))+1.19E-05*weff} |
| + p3 = {(w>0.6)?380.3*weff/leff:0} |
| + q3 = {(w>0.6)?42.62e-3*weff/leff:0} |
| + tc1 = {tc1rpolybody} tc2 = {tc2rpolybody} tnom = 30.0 |
| .ends sky130_fd_pr__res_high_po |
