| * 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 { |
| * } |
| * } |
| .subckt sky130_fd_pr__res_high_po_1p41 r0 r1 b |
| + |
| .param w = 1.410 l = 5 mult = 1.0 |
| + |
| + body_pelgrom = 0.0354 |
| + rend_mm = 0.033 |
| + rcon = 254.77 |
| + rsheet = 230.05 |
| + tc1_voltco = -4.68e-3 |
| + vc1_body = -1.24e-4 |
| + vc2_body = 2.41e-4 |
| + vc1_raw_end = -7.62e-2 |
| + vc2_raw_end = 0.198 |
| + vc3_raw_end = 8.81e-2 |
| + r0_var = 15.43 |
| + r1_var = 6.96 |
| + vc1_end = {vc1_raw_end*0.705/l*(1+tc1_voltco*(temp-30))} |
| + vc2_end = {vc2_raw_end*0.705/l*(1+tc1_voltco*(temp-30))} |
| + vc3_end = {vc3_raw_end*0.705/l*(1+tc1_voltco*(temp-30))} |
| + rtot_var = {sky130_fd_pr__res_high_po__var_mult*sqrt(2*pow(r0_var,2)+pow((r1_var*l),2))} |
| + rend_var = {sky130_fd_pr__res_high_po__var_mult*sqrt(2)*r0_var} |
| + rbody_var = {rtot_var-rend_var} |
| + res_match = {(body_pelgrom/sqrt(w*l*mult))*sky130_fd_pr__res_high_po__slope_spectre} |
| + rend = {(rcon+rend_var)*(1+rend_mm/sqrt(mult)*sky130_fd_pr__res_high_po__con_slope_spectre)} |
| + rbody = {(l*rsheet+rbody_var)*(1+res_match)} |
| rend r0 ra r = {rend*(1+min((abs(v(r0,r1))-1.4),0.6)*vc1_end+pow(min(abs(v(r0,r1))-1.4,0.6),2)*vc2_end+pow(min(abs(v(r0,r1))-1.4,0.6),3)*vc3_end)} |
| rhrpoly_1p41 ra r1 resbody r = {rbody*(1+abs(v(r0,r1))*vc1_body+pow(abs(v(r0,r1)),2)*vc2_body)} |
| c1 r0 b c = {((l+2*2.08)*w*crpf_precision*1e-12+2*(l+2*2.08+w)*crpfsw_precision_4_1*1e-6)/2} |
| c2 r1 b c = {((l+2*2.08)*w*crpf_precision*1e-12+2*(l+2*2.08+w)*crpfsw_precision_4_1*1e-6)/2} |
| .model resbody r tc1 = {tc1rpolybody} tc2 = {tc2rpolybody} tnom = 30.0 |
| .ends sky130_fd_pr__res_high_po_1p41 |
