| * 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_03p9x03p9_m1m2_shieldl1_floatm3__slope = 0.0 |
| * statistics { |
| * mismatch { |
| * vary sky130_fd_pr__cap_vpp_03p9x03p9_m1m2_shieldl1_floatm3__slope dist=gauss std=0.0183 |
| * } |
| * } |
| .subckt sky130_fd_pr__cap_vpp_03p9x03p9_m1m2_shieldl1_floatm3 c0 c1 b m3 |
| + |
| .param mult = 1.0 |
| + |
| + ctot_a = {578.275e-18*sky130_fd_pr__cap_vpp_03p9x03p9_m1m2_shieldl1_floatm3__cor+1.04797/sqrt(mult/0.50527)*sky130_fd_pr__cap_vpp_03p9x03p9_m1m2_shieldl1_floatm3__slope*578.275e-18*sky130_fd_pr__cap_vpp_03p9x03p9_m1m2_shieldl1_floatm3__cor} |
| + cm3_c0 = {0.444e-15*cm3m2_vpp} |
| + cm3_c1 = {0.179e-15*cm3m2_vpp} |
| + cli2s = {0.104e-15*cli2s_vpp} |
| + rat_m2 = 0.596 |
| + rat_m1 = 0.387 |
| + rat_m1li = 0.017 |
| + cap_m2 = {rat_m2*ctot_a} |
| + cap_m1 = {rat_m1*ctot_a} |
| + cap_m1li = {rat_m1li*ctot_a} |
| + nvia_c0 = 8.0 |
| + nvia_c1 = 4.0 |
| + ncon_c0 = 16.0 |
| ccmvpp1p8x1p8_m3shield m3 c0 c = {cm3_c0} |
| cm3_1 m3 c1 c = {cm3_c1} |
| rm21 c0 a1 r = {28*rm2} |
| cm2 a1 c1 c = {cap_m2} |
| rvia1 c0 d0 r = {rcvia/nvia_c0} |
| rvia2 c1 d1 r = {rcvia/nvia_c1} |
| rm11 d0 b1 r = {22*rm1} |
| cm1 b1 d1 c = {cap_m1} |
| rcon d0 e0 r = {rcl1/ncon_c0} |
| rli1 e0 f0 r = {rl1} |
| cli2b f0 b c = {cli2s} |
| cm1li d1 e0 c = {cap_m1li} |
| .ends sky130_fd_pr__cap_vpp_03p9x03p9_m1m2_shieldl1_floatm3 |
