| * 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_04p4x04p6_m1m2_shieldl1__slope = 0.0 |
| * statistics { |
| * mismatch { |
| * vary sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_shieldl1__slope dist=gauss std=0.00731 |
| * } |
| * } |
| .subckt sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_shieldl1 c0 c1 b |
| + |
| .param mult = 1.0 |
| + |
| + ctot_a = {8.450e-15*sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_shieldl1__cor+0.88861/sqrt(mult/0.463538)*sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_shieldl1__slope*8.450e-15*sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_shieldl1__cor} |
| + cli2s = {1.864e-15*cli2s_vpp} |
| + rat_m2 = 0.552 |
| + rat_m1 = 0.395 |
| + rat_m12li = 0.053 |
| + cap_m2 = {rat_m2*ctot_a} |
| + cap_m1 = {rat_m1*ctot_a} |
| + cap_m12li = {rat_m12li*ctot_a} |
| + lm2 = 1.585 |
| + wm2 = 0.140 |
| + nfm2 = 24.0 |
| + nvia_c0 = 40.0 |
| + nvia_c1 = 18.0 |
| + lm1 = 1.665 |
| + wm1 = 0.140 |
| + nfm1 = 20.0 |
| + nmcon = 42.0 |
| rm21 c0 a1 r = {rm2*lm2/wm2*(1/3)*(1/nfm2)} |
| ccmvpp4p4x4p6_lishield 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} |
| rmcon d0 e0 r = {rcl1/nmcon} |
| rliw e0 f0 r = {rl1} |
| cli2b f0 b c = {cli2s} |
| cm12li d1 f0 c = {cap_m12li} |
| .ends sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_shieldl1 |
