| * 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 { |
| * } |
| * } |
| * 4-terminal Vertical Parallel Plate Capacitor /w LI-M4 fingers and M5 Shield |
| .subckt sky130_fd_pr__cap_vpp_11p3x11p8_l1m1m2m3m4_shieldm5_nhv c0 c1 b m5 |
| + |
| .param mult = 1.0 |
| + |
| + ctot_a_toplevel = {48.188e-15*cvpp2_nhvnative10x4_cor+0.0283/sqrt(2*3.6*3.6*mult)*48.188e-15*cvpp2_nhvnative10x4_cor*sky130_fd_pr__model__cap_vpp_only_p__slope} |
| + cm5_c0_toplevel = {4.79e-15*c0m5m4_vpp} |
| + cm5_c1_toplevel = {5.02e-15*c1m5m4_vpp} |
| + rat_m3_toplevel = 0.5 |
| + rat_m4_toplevel = 0.5 |
| + cap_m3_toplevel = {rat_m3_toplevel*ctot_a_toplevel} |
| + cap_m4_toplevel = {rat_m4_toplevel*ctot_a_toplevel} |
| + lm3_toplevel = 3.91 |
| + lm4_toplevel = 4.8 |
| + wm3_toplevel = 0.300 |
| + wm4_toplevel = 0.300 |
| + nfm3_toplevel = 38.0 |
| + nfm4_toplevel = 30.0 |
| + nvia3_c0_toplevel = 43.0 |
| + nvia3_c1_toplevel = 96.0 |
| + nvia2_c0_toplevel = 43.0 |
| + nvia2_c1_toplevel = 44.0 |
| ccmvppx4_2xnhvnative10x4 m5 a0 c = {cm5_c0_toplevel} |
| cm5_1 m5 a1 c = {cm5_c1_toplevel} |
| rsm4 a0 a2 r = {rm4*lm4_toplevel/wm4_toplevel*(1/3)*(1/nfm4_toplevel)} |
| cm4 a2 a1 c = {cap_m4_toplevel} |
| rvia3_0 a0 b0 r = {rcvia3/nvia3_c0_toplevel} |
| rvia3_1 a1 b1 r = {rcvia3/nvia3_c1_toplevel} |
| rsm3 b0 b2 r = {rm3*lm3_toplevel/wm3_toplevel*(1/3)*(1/nfm3_toplevel)} |
| cm3 b2 b1 c = {cap_m3_toplevel} |
| rvia2_0 b0 c0 r = {rcvia2/nvia2_c0_toplevel} |
| rvia2_1 b1 c1 r = {rcvia2/nvia2_c1_toplevel} |
| xvpp1 c0 c1 c1 sky130_fd_pr__cap_vpp_04p4x04p6_m1m2_noshield_o1nhv mult = 4 m = 4.0 |
| xvpp2 c1 c0 c1 c1 sky130_fd_pr__cap_vpp_11p3x11p8_l1m1m2m3m4_shieldm5_nhv__base w = 10 l = 4 ad = 3.15 as = 4.75 pd = 10.63 ps = 20.95 mult = 2 m = 2.0 |
| .ends sky130_fd_pr__cap_vpp_11p3x11p8_l1m1m2m3m4_shieldm5_nhv |
