* NGSPICE file created from ring_osc_v2.ext - technology: sky130A

.subckt sky130_fd_pr__nfet_01v8_CBAU6Y a_n73_n150# a_n33_n238# w_n211_n360# a_15_n150#
X0 a_15_n150# a_n33_n238# a_n73_n150# w_n211_n360# sky130_fd_pr__nfet_01v8 ad=0p pd=0u as=0p ps=0u w=1.5e+06u l=150000u
C0 a_n73_n150# a_15_n150# 0.51fF
C1 a_n33_n238# a_15_n150# 0.02fF
C2 a_n33_n238# a_n73_n150# 0.02fF
C3 a_15_n150# w_n211_n360# 0.23fF
C4 a_n73_n150# w_n211_n360# 0.23fF
C5 a_n33_n238# w_n211_n360# 0.17fF
.ends

.subckt sky130_fd_pr__nfet_01v8_CBSTVW a_n73_n119# a_n33_n207# w_n211_n329# a_15_n119#
X0 a_15_n119# a_n33_n207# a_n73_n119# w_n211_n329# sky130_fd_pr__nfet_01v8 ad=0p pd=0u as=0p ps=0u w=1.5e+06u l=150000u
C0 a_n73_n119# a_15_n119# 0.51fF
C1 a_n33_n207# a_15_n119# 0.02fF
C2 a_n33_n207# a_n73_n119# 0.02fF
C3 a_15_n119# w_n211_n329# 0.24fF
C4 a_n73_n119# w_n211_n329# 0.24fF
C5 a_n33_n207# w_n211_n329# 0.17fF
.ends

.subckt sky130_fd_pr__pfet_01v8_MJP3BN VSUBS a_15_n186# w_n211_n334# a_n33_145# a_n73_n186#
X0 a_15_n186# a_n33_145# a_n73_n186# w_n211_n334# sky130_fd_pr__pfet_01v8 ad=0p pd=0u as=0p ps=0u w=1.5e+06u l=150000u
C0 a_n33_145# a_n73_n186# 0.01fF
C1 w_n211_n334# a_n73_n186# 0.21fF
C2 w_n211_n334# a_n33_145# 0.05fF
C3 a_15_n186# a_n73_n186# 0.51fF
C4 a_n33_145# a_15_n186# 0.01fF
C5 w_n211_n334# a_15_n186# 0.21fF
C6 a_15_n186# VSUBS 0.03fF
C7 a_n73_n186# VSUBS 0.03fF
C8 a_n33_145# VSUBS 0.12fF
C9 w_n211_n334# VSUBS 1.81fF
.ends

.subckt sky130_fd_pr__nfet_01v8_EDT3AT a_15_n11# a_n33_n99# w_n211_n221# a_n73_n11#
X0 a_15_n11# a_n33_n99# a_n73_n11# w_n211_n221# sky130_fd_pr__nfet_01v8 ad=0p pd=0u as=0p ps=0u w=420000u l=150000u
C0 a_n73_n11# a_15_n11# 0.15fF
C1 a_n33_n99# a_15_n11# 0.02fF
C2 a_n33_n99# a_n73_n11# 0.02fF
C3 a_15_n11# w_n211_n221# 0.09fF
C4 a_n73_n11# w_n211_n221# 0.09fF
C5 a_n33_n99# w_n211_n221# 0.17fF
.ends

.subckt sky130_fd_pr__nfet_01v8_AQR2CW a_n33_66# a_n78_n106# w_n216_n254# a_20_n106#
X0 a_20_n106# a_n33_66# a_n78_n106# w_n216_n254# sky130_fd_pr__nfet_01v8 ad=0p pd=0u as=0p ps=0u w=750000u l=200000u
C0 a_n78_n106# a_20_n106# 0.21fF
C1 a_20_n106# w_n216_n254# 0.14fF
C2 a_n78_n106# w_n216_n254# 0.14fF
C3 a_n33_66# w_n216_n254# 0.12fF
.ends

.subckt sky130_fd_pr__pfet_01v8_HRYSXS VSUBS a_n33_n211# a_n78_n114# w_n216_n334#
+ a_20_n114#
X0 a_20_n114# a_n33_n211# a_n78_n114# w_n216_n334# sky130_fd_pr__pfet_01v8 ad=0p pd=0u as=0p ps=0u w=1.5e+06u l=200000u
C0 w_n216_n334# a_n78_n114# 0.20fF
C1 a_20_n114# a_n78_n114# 0.42fF
C2 w_n216_n334# a_20_n114# 0.20fF
C3 a_20_n114# VSUBS 0.03fF
C4 a_n78_n114# VSUBS 0.03fF
C5 a_n33_n211# VSUBS 0.12fF
C6 w_n216_n334# VSUBS 1.66fF
.ends

.subckt inverter_csvco in vbulkn out vbulkp vdd vss
Xsky130_fd_pr__nfet_01v8_AQR2CW_0 in vss vbulkn out sky130_fd_pr__nfet_01v8_AQR2CW
Xsky130_fd_pr__pfet_01v8_HRYSXS_0 vbulkn in vdd vbulkp out sky130_fd_pr__pfet_01v8_HRYSXS
C0 vss in 0.01fF
C1 in vdd 0.01fF
C2 in out 0.11fF
C3 vdd vbulkp 0.04fF
C4 vbulkp out 0.08fF
C5 vbulkp vbulkn 2.49fF
C6 out vbulkn 0.60fF
C7 vdd vbulkn 0.06fF
C8 in vbulkn 0.54fF
C9 vss vbulkn 0.17fF
.ends

.subckt csvco_branch_v2 vctrl in cap_vco_0/t D0 out m1_185_1641# vss vdd inverter_csvco_0/vss
Xsky130_fd_pr__nfet_01v8_CBSTVW_0 inverter_csvco_0/vss vctrl vss vss sky130_fd_pr__nfet_01v8_CBSTVW
Xsky130_fd_pr__pfet_01v8_MJP3BN_0 vss vdd vdd m1_185_1641# inverter_csvco_0/vdd sky130_fd_pr__pfet_01v8_MJP3BN
Xsky130_fd_pr__nfet_01v8_EDT3AT_0 cap_vco_0/t D0 vss out sky130_fd_pr__nfet_01v8_EDT3AT
Xinverter_csvco_0 in vss out vdd inverter_csvco_0/vdd inverter_csvco_0/vss inverter_csvco
C0 cap_vco_0/t vctrl 0.03fF
C1 inverter_csvco_0/vss in 0.01fF
C2 inverter_csvco_0/vss vctrl 0.23fF
C3 vdd out 0.03fF
C4 in inverter_csvco_0/vdd 0.01fF
C5 out D0 0.09fF
C6 cap_vco_0/t out 0.11fF
C7 inverter_csvco_0/vss out 0.03fF
C8 in out 0.06fF
C9 inverter_csvco_0/vdd out 0.02fF
C10 vdd m1_185_1641# 0.48fF
C11 vdd inverter_csvco_0/vdd 0.97fF
C12 cap_vco_0/t D0 0.18fF
C13 m1_185_1641# inverter_csvco_0/vdd 0.13fF
C14 inverter_csvco_0/vss D0 0.01fF
C15 inverter_csvco_0/vss cap_vco_0/t 0.12fF
C16 vdd vss 3.58fF
C17 out vss 0.87fF
C18 inverter_csvco_0/vdd vss 0.14fF
C19 in vss 0.70fF
C20 inverter_csvco_0/vss vss 0.72fF
C21 D0 vss -0.49fF
C22 m1_185_1641# vss -0.03fF
C23 cap_vco_0/t vss 8.30fF
C24 vctrl vss 0.44fF
.ends

.subckt sky130_fd_pr__pfet_01v8_4757AC VSUBS a_n73_n150# a_n33_181# w_n211_n369# a_15_n150#
X0 a_15_n150# a_n33_181# a_n73_n150# w_n211_n369# sky130_fd_pr__pfet_01v8 ad=0p pd=0u as=0p ps=0u w=1.5e+06u l=150000u
C0 w_n211_n369# a_n33_181# 0.05fF
C1 a_n33_181# a_n73_n150# 0.01fF
C2 w_n211_n369# a_n73_n150# 0.20fF
C3 a_n33_181# a_15_n150# 0.01fF
C4 w_n211_n369# a_15_n150# 0.20fF
C5 a_15_n150# a_n73_n150# 0.51fF
C6 a_15_n150# VSUBS 0.03fF
C7 a_n73_n150# VSUBS 0.03fF
C8 a_n33_181# VSUBS 0.13fF
C9 w_n211_n369# VSUBS 1.98fF
.ends


* Top level circuit ring_osc_v2

Xsky130_fd_pr__nfet_01v8_CBAU6Y_0 vss vctrl vss vbp sky130_fd_pr__nfet_01v8_CBAU6Y
Xcsvco_branch_v2_1 vctrl csvco_branch_v2_1/in csvco_branch_v2_1/cap_vco_0/t D0 csvco_branch_v2_2/in
+ vbp vss vdd csvco_branch_v2_1/inverter_csvco_0/vss csvco_branch_v2
Xcsvco_branch_v2_0 vctrl out_vco csvco_branch_v2_0/cap_vco_0/t D0 csvco_branch_v2_1/in
+ vbp vss vdd csvco_branch_v2_0/inverter_csvco_0/vss csvco_branch_v2
Xcsvco_branch_v2_2 vctrl csvco_branch_v2_2/in csvco_branch_v2_2/cap_vco_0/t D0 out_vco
+ vbp vss vdd csvco_branch_v2_2/inverter_csvco_0/vss csvco_branch_v2
Xsky130_fd_pr__pfet_01v8_4757AC_0 vss vdd vbp vdd vbp sky130_fd_pr__pfet_01v8_4757AC
C0 csvco_branch_v2_2/inverter_csvco_0/vss D0 0.04fF
C1 csvco_branch_v2_1/in out_vco 0.76fF
C2 csvco_branch_v2_1/cap_vco_0/t vctrl 0.24fF
C3 D0 csvco_branch_v2_2/cap_vco_0/t 1.03fF
C4 out_vco csvco_branch_v2_2/in 0.59fF
C5 csvco_branch_v2_1/cap_vco_0/t D0 0.12fF
C6 vbp vctrl 0.06fF
C7 csvco_branch_v2_0/cap_vco_0/t vctrl 0.24fF
C8 D0 csvco_branch_v2_1/inverter_csvco_0/vss 0.04fF
C9 csvco_branch_v2_0/cap_vco_0/t D0 0.12fF
C10 vbp vdd 3.04fF
C11 csvco_branch_v2_1/in vdd 0.01fF
C12 vdd csvco_branch_v2_2/in 0.01fF
C13 vdd vss 14.19fF
C14 csvco_branch_v2_2/inverter_csvco_0/vdd vss 0.14fF
C15 csvco_branch_v2_2/inverter_csvco_0/vss vss 0.44fF
C16 csvco_branch_v2_2/cap_vco_0/t vss 7.06fF
C17 csvco_branch_v2_1/in vss 1.66fF
C18 csvco_branch_v2_0/inverter_csvco_0/vdd vss 0.14fF
C19 out_vco vss 0.49fF
C20 csvco_branch_v2_0/inverter_csvco_0/vss vss 0.44fF
C21 D0 vss -1.46fF
C22 vbp vss -0.38fF
C23 csvco_branch_v2_0/cap_vco_0/t vss 7.07fF
C24 vctrl vss 5.55fF
C25 csvco_branch_v2_2/in vss 1.67fF
C26 csvco_branch_v2_1/inverter_csvco_0/vdd vss 0.14fF
C27 csvco_branch_v2_1/inverter_csvco_0/vss vss 0.44fF
C28 csvco_branch_v2_1/cap_vco_0/t vss 7.07fF
.end