* 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__cap_vpp_11p5x11p7_l1m1m2_noshield__slope = 0.0 * statistics { * mismatch { * vary sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2_noshield__slope dist=gauss std=0.00284 * } * } .subckt sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2_noshield c0 c1 b + .param mult = 1.0 + + ctot_a = {94.178e-15*sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2_noshield__cor+1.06027/sqrt(mult/0.34641)*sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2_noshield__slope*94.178e-15*sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2_noshield__cor} + c0_sub = {5.222e-15*cli2s_vpp} + c1_sub = {2.528e-15*cli2s_vpp} + rat_m2 = 0.3823 + rat_m1 = 0.3777 + rat_li = 0.2400 + cap_m2 = {rat_m2*ctot_a} + cap_m1 = {rat_m1*ctot_a} + cap_li = {rat_li*ctot_a} + lm2 = 5.100 + wm2 = 0.140 + nfm2 = 72.0 + nvia_c0 = 124.0 + nvia_c1 = 62.0 + lm1 = 5.215 + wm1 = 0.140 + nfm1 = 72.0 + ncon_c0 = 116.0 + ncon_c1 = 28.0 + ll1 = 3.655 + wl1 = 0.170 + nfl1 = 62.0 rm21 c0 a1 r = {rm2*lm2/wm2*(1/3)*(1/nfm2)} ccmvpp11p5x11p7 a1 c1 c = {cap_m2} rvia1 c0 d0 r = {rcvia/nvia_c0} rvia2 c1 d1 r = {rcvia/nvia_c1} rm11 d0 b1 r = {rm1*lm1/wm1*(1/3)*(1/nfm1)} cm1 b1 d1 c = {cap_m1} rcon1 d0 e0 r = {rcl1/ncon_c0} rcon2 d1 e1 r = {rcl1/ncon_c1} rli1 e0 f1 r = {rl1*ll1/wl1*(1/3)*(1/nfl1)} cli f1 e1 c = {cap_li} cli1_b e0 b c = {c0_sub} cli2_b e1 b c = {c1_sub} .ends sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2_noshield