* 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 r0 r1
+ 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)}
+ rbody = {rsheet*(l+0.247)/weff*(1+rbody_match)}
+ rhead = {rhead_ps/(weff+0.1558)*(1+rend_match)}
rbody r0 rb  r = {rbody*(1+v(r0,r1))}
rhead rb r1  r = {rhead}
.ends sky130_fd_pr__res_high_po