* 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__cap_vpp_11p5x11p7_l1m1m2m3_shieldm4 c0 c1 b m4 + .param mult = 1.0 + + ctot_a = {118.52e-15*sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2m3_shieldm4__cor+0.0283/sqrt(11.5*11.7*mult*2)*118.52e-15*sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2m3_shieldm4__cor*sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2m3_shieldm4__slope} + cm4_c0 = {7.48e-15*c0m4m3_vpp} + cm4_c1 = {5.06e-15*c1m4m3_vpp} + c0_sub = {(4.99e-15-5.84e-16)*cli2s_vpp} + c1_sub = {2.34e-15*cli2s_vpp} + rat_m3 = 0.1539 + rat_m2 = 0.4074 + rat_m1 = 0.4025 + rat_li = 0.0362 + cap_m3 = {rat_m3*ctot_a} + cap_m2 = {rat_m2*ctot_a} + cap_m1 = {rat_m1*ctot_a} + cap_li = {rat_li*ctot_a} + ll1 = 5.070 + lm1 = 5.215 + lm2 = 5.095 + lm3 = 5.050 + wl1 = 0.170 + wm1 = 0.140 + wm2 = 0.140 + wm3 = 0.300 + nfl1 = 62.0 + nfm1 = 72.0 + nfm2 = 72.0 + nfm3 = 34.0 + nvia2_c0 = 104.0 + nvia2_c1 = 49.0 + nvia_c0 = 124.0 + nvia_c1 = 62.0 + ncon_c0 = 116.0 + ncon_c1 = 28.0 ccmvpp11p5x11p7_m4shield m4 b0 c = {cm4_c0} cm4_1 m4 b1 c = {cm4_c1} rsm3 b0 b2 r = {rm3*lm3/wm3*(1/3)*(1/nfm3)} cm3 b2 b1 c = {cap_m3} rvia2_0 b0 c0 r = {rcvia2/nvia2_c0} rvia2_1 b1 c1 r = {rcvia2/nvia2_c1} rsm2 c0 c2 r = {rm2*lm2/wm2*(1/3)*(1/nfm2)} cm2 c2 c1 c = {cap_m2} rvia_0 c0 d0 r = {rcvia/nvia_c0} rvia_1 c1 d1 r = {rcvia/nvia_c1} rsm1 d0 d2 r = {rm1*lm1/wm1*(1/3)*(1/nfm1)} cm1 d2 d1 c = {cap_m1} rcon1 d0 e0 r = {rcl1/ncon_c0} rcon2 d1 e1 r = {rcl1/ncon_c1} rli1 e0 e2 r = {rl1*ll1/wl1*(1/3)*(1/nfl1)} cli e2 e1 c = {cap_li} cli2b_0 e0 b c = {c0_sub} cli2b_1 e1 b c = {c1_sub} .ends sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2m3_shieldm4