| * 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_44p7x23p1_pol1m1m2m3m4m5_noshield c0 c1 b mf=1 |
| .param |
| + ctot_a = '1.47e-12*sky130_fd_pr__cap_vpp_11p5x11p7_pol1m1m2m3m4m5_noshield_base__cor' |
| + c0_sub = '5.17e-14*cli2s_vpp' |
| + c1_sub = '4.86e-14*cli2s_vpp' |
| + rat_m5 = 0.026 |
| + rat_m4 = 0.1 |
| + rat_m3 = 0.1 |
| + rat_m2 = 0.259 |
| + rat_m1 = 0.259 |
| + rat_li = 0.18 |
| + rat_py = 0.076 |
| + cap_m5 = 'rat_m5*ctot_a' |
| + cap_m4 = 'rat_m4*ctot_a' |
| + cap_m3 = 'rat_m3*ctot_a' |
| + cap_m2 = 'rat_m2*ctot_a' |
| + cap_m1 = 'rat_m1*ctot_a' |
| + cap_li = 'rat_li*ctot_a' |
| + cap_py = 'rat_py*ctot_a' |
| + lpy = '23.05-2*0.33-0.21' |
| + ll1 = '23.05-2*0.33-0.21' |
| + lm1 = '23.05-2*0.33-0.21' |
| + lm2 = '23.05-2*0.33-0.21' |
| + lm3 = '23.05-2*0.33-0.21' |
| + lm4 = '23.05-2*0.33-0.21' |
| + lm5 = '23.05-3*1.6' |
| + wpy = 0.150 |
| + wl1 = 0.140 |
| + wm1 = 0.140 |
| + wm2 = 0.140 |
| + wm3 = 0.300 |
| + wm4 = 0.300 |
| + wm5 = 1.60 |
| + nfpy = '32.28*4' |
| + nfl1 = '41.25*4' |
| + nfm1 = '41.25*4' |
| + nfm2 = '41.25*4' |
| + nfm3 = '19.52*4' |
| + nfm4 = '19.52*4' |
| + nfm5 = '4.07*4' |
| + nvia4 = 2.0 |
| + nvia3 = '28*4' |
| + nvia2 = '10*4' |
| + nvia = '20*4' |
| + ncon = '31*4' |
| + nlicon = '33*4' |
| rsm5 z0 z2 'rm5*lm5/wm5*(1/3)*(1/nfm5)' |
| cm5 z2 z1 'cap_m5' |
| rvia4_0 z0 a0 'rcvia4/nvia4' |
| rvia4_1 z1 a1 'rcvia4/nvia4' |
| rsm4 a0 a2 'rm4*lm4/wm4*(1/3)*(1/nfm4)' |
| cm4 a2 a1 'cap_m4' |
| rvia3_0 a0 b0 'rcvia3/nvia3' |
| rvia3_1 a1 b1 'rcvia3/nvia3' |
| rsm3 b0 b2 'rm3*lm3/wm3*(1/3)*(1/nfm3)' |
| cm3 b2 b1 'cap_m3' |
| rvia2_0 b0 c0 'rcvia2/nvia2' |
| rvia2_1 b1 c1 'rcvia2/nvia2' |
| rsm2 c0 c2 '(rm2*lm2/wm2*(1/3)*(1/nfm2)+rm2*lm2/wm2)' |
| cm2 c2 c1 'cap_m2' |
| rvia_0 c0 d0 'rcvia/nvia' |
| rvia_1 c1 d1 'rcvia/nvia' |
| rsm1 d0 d2 'rm1*lm1/wm1*(1/3)*(1/nfm1)' |
| cm1 d2 d1 'cap_m1' |
| rcon1 d0 e0 'rcl1/ncon' |
| rcon2 d1 e1 'rcl1/ncon' |
| rli1 e0 e2 'rl1*ll1/wl1*(1/3)*(1/nfl1)' |
| cli e2 e1 'cap_li' |
| rlicon1 e0 f0 'rcp1/nlicon' |
| rlicon2 e1 f1 'rcp1/nlicon' |
| rpy1 f0 f2 'rp1*lpy/wpy*(1/3)*(1/nfpy)' |
| cpy f2 f1 'cap_py' |
| cpy2b_0 f0 b 'c0_sub' |
| cpy2b_1 f1 b 'c1_sub' |
| .ends sky130_fd_pr__cap_vpp_44p7x23p1_pol1m1m2m3m4m5_noshield |
