| **.subckt tb_top_pll_v3_pex_no_integration |
| VSS vss GND {vss} |
| VDD vdd vss {vdd} |
| Vref A vss PULSE(0 {vin} 0 1p 1p {Tref/2} {Tref}) DC {vin} AC 0 |
| VD0 D0 vss {vd0} |
| I0 net1 vss {iref} |
| x2 vdd net1 iref_cp net2 net3 net4 net5 net6 net7 net8 net9 net10 bias |
| C1 out_to_pad vss 20p m=1 |
| VD1 D1 vss {vd1} |
| VMC S1 vss PULSE(0.0 0.0 0 1p 1p 400n 800n) DC {vin} AC 0 |
| VMC1 S0 vss PULSE({vin} {vin} 0 1p 1p 200n 400n) DC {vin} AC 0 |
| VMC2 MC vss PULSE({vin} {vin} 0 1p 1p 100n 200n) DC {vin} AC 0 |
| x1 iref_cp vss vdd vco_out vctrl Up QA out_to_buffer A nUp out_to_pad Down nDown QB D0 lf_vc |
| + vco_buffer_out biasp pswitch nswitch pfd_reset S0 MC S1 out_by_2 out_to_div out_div n_out_by_2 n_out_div_2 |
| + out_div_2 out_buffer_div_2 n_out_buffer_div_2 n_clk_0 s1n s0n clk_2_f clk_d clk_out_div clk_5 clk_pre n_clk_1 |
| + clk_1 clk_0 D1 top_pll_v3_pex_no_integration |
| **** begin user architecture code |
| |
| |
| |
| * Parameters |
| .param kp = 1.0 |
| .param vdd = kp*1.8 |
| .param vss = 0.0 |
| .param vin = vdd |
| .param fref = 100e6 |
| .param Tref = 1/fref |
| .param iref = 100u |
| .param vd0 = 0.0 |
| .param vd1 = 0.0 |
| |
| .options TEMP = 100.0 |
| .options RSHUNT = 1e20 |
| .options GMIN = 1e-10 |
| |
| * Models |
| .lib ~/skywater/skywater-pdk/libraries/sky130_fd_pr_ngspice/latest/models/corners/sky130.lib SS |
| .include ~/caravel_analog_fulgor/xschem/simulations/PFD_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/pfd_cp_interface_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/charge_pump_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/loop_filter_v2_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/csvco_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/ring_osc_buffer_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/buffer_salida_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/div_by_2_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/freq_div_pex_c.spice |
| |
| |
| * Data to save |
| |
| .ic v(A) = 0.0 |
| .ic v(QA) = 0.0 |
| .ic v(QB) = 0.0 |
| .ic v(Up) = 0.0 |
| .ic v(nUp) = 0.0 |
| .ic v(Down) = 0.0 |
| .ic v(nDown) = 0.0 |
| .ic v(vctrl) = 0.0 |
| .ic v(D0) = 0.0 |
| .ic v(vco_out) = 0.0 |
| .ic v(vco_buffer_out) = 0.0 |
| .ic v(out_to_div) = 0.0 |
| .ic v(out_to_pad) = 0.0 |
| .ic v(out_div_2) = 0.0 |
| .ic v(n_out_div_2) = 0.0 |
| .ic v(out_buffer_div_2) = 0.0 |
| .ic v(n_out_buffer_div_2) = 0.0 |
| .ic v(out_by_2) = 0.0 |
| .ic v(n_out_by_2) = 0.0 |
| .ic v(clk_0) = 0.0 |
| .ic v(n_clk_0) = 0.0 |
| .ic v(clk_1) = 0.0 |
| .ic v(n_clk_1) = 0.0 |
| .ic v(clk_pre) = 0.0 |
| .ic v(clk_5) = 0.0 |
| .ic v(clk_d) = 0.0 |
| .ic v(clk_2_f) = 0.0 |
| .ic v(s1n) = 0.0 |
| .ic v(s0n) = 0.0 |
| .ic v(out_div) = 0.0 |
| |
| |
| * Simulation |
| .control |
| tran 0.01ns 2us |
| meas tran Tosc trig v(out_to_pad) val=0.9 fall=1005 targ v(out_to_pad) val=0.9 fall=1105 |
| let T = Tosc/100.0 |
| let f = 1/T |
| echo . |
| echo ------ PLL simulation ------ |
| print T f |
| *write tb_PLL_tran.raw |
| plot v(vctrl) v(pfd_reset)+2 v(nDown)+4 v(Down)+6 v(nUp)+8 v(Up)+10 v(QA)+12 v(QB)+12 v(A)+14 |
| + v(out_div)+16 |
| plot v(out_to_pad)+12 v(out_to_buffer)+9 v(out_to_div)+6 v(out_by_2)+3 v(out_div) |
| plot v(out_div) v(out_by_2) v(out_to_div) |
| plot v(vctrl) |
| plot v(pswitch) v(nswitch) xlimit 1.4us 1.444us |
| .endc |
| |
| |
| |
| **** end user architecture code |
| **.ends |
| |
| * expanding symbol: bias.sym # of pins=12 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/bias.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/bias.sch |
| .subckt bias vdd iref iref_0 iref_1 iref_2 iref_3 iref_4 iref_5 iref_6 iref_7 iref_8 iref_9 |
| *.iopin iref |
| *.iopin vdd |
| *.opin iref_0 |
| *.opin iref_1 |
| *.opin iref_2 |
| *.opin iref_3 |
| *.opin iref_4 |
| *.opin iref_5 |
| *.opin iref_6 |
| *.opin iref_7 |
| *.opin iref_8 |
| *.opin iref_9 |
| XM1 iref iref vbp1 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM2 vbp1 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM3 net1 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM4 iref_0 iref net1 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM5 net2 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM6 iref_1 iref net2 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM7 net3 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM8 iref_2 iref net3 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM9 net4 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM10 iref_3 iref net4 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM11 net5 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM12 iref_4 iref net5 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM13 net6 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM14 iref_5 iref net6 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM15 net7 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM16 iref_6 iref net7 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM17 net8 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM18 iref_7 iref net8 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM19 net9 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM20 iref_8 iref net9 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM21 net10 vbp1 vdd vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| XM22 iref_9 iref net10 vdd sky130_fd_pr__pfet_01v8_lvt L=0.45 W=4.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' |
| + as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' |
| + nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=25 m=25 |
| .ends |
| |
| |
| * expanding symbol: top_pll_v3_pex_no_integration.sym # of pins=44 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/top_pll_v3_pex_no_integration.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/top_pll_v3_pex_no_integration.sch |
| .subckt top_pll_v3_pex_no_integration iref_cp vss vdd vco_out vco_vctrl Up pfd_QA out_to_buffer |
| + in_ref nUp out_to_pad Down nDown pfd_QB lf_D0 lf_vc out_first_buffer cp_biasp cp_pswitch cp_nswitch |
| + pfd_reset s_0 MC s_1 out_by_2 out_to_div out_div n_out_by_2 n_out_div_2 out_div_2 n_out_buffer_div_2 |
| + out_buffer_div_2 n_clk_0 s1n s0n clk_2_f clk_d clk_out_mux21 clk_5 clk_pre n_clk_1 clk_1 clk_0 lf_D0 |
| *.iopin vdd |
| *.iopin vss |
| *.ipin in_ref |
| *.iopin pfd_QA |
| *.iopin pfd_QB |
| *.iopin Up |
| *.iopin nUp |
| *.iopin Down |
| *.iopin nDown |
| *.iopin pfd_reset |
| *.iopin cp_nswitch |
| *.iopin cp_pswitch |
| *.iopin cp_biasp |
| *.ipin iref_cp |
| *.iopin lf_vc |
| *.ipin vco_D0 |
| *.iopin vco_vctrl |
| *.iopin vco_out |
| *.iopin out_first_buffer |
| *.iopin out_to_buffer |
| *.iopin out_to_div |
| *.iopin out_by_2 |
| *.iopin n_out_by_2 |
| *.iopin out_div_2 |
| *.iopin n_out_div_2 |
| *.iopin out_buffer_div_2 |
| *.iopin n_out_buffer_div_2 |
| *.iopin out_div |
| *.opin out_to_pad |
| *.iopin clk_0 |
| *.iopin n_clk_0 |
| *.iopin clk_1 |
| *.iopin n_clk_1 |
| *.iopin clk_pre |
| *.iopin clk_5 |
| *.iopin clk_out_mux21 |
| *.iopin clk_d |
| *.iopin clk_2_f |
| *.iopin s0n |
| *.iopin s1n |
| *.ipin MC |
| *.ipin s_0 |
| *.ipin s_1 |
| *.ipin lf_D0 |
| x1 vss vdd pfd_QA in_ref out_div pfd_QB pfd_reset PFD_pex_c |
| x2 Up vdd pfd_QA nUp Down pfd_QB vss nDown pfd_cp_interface_pex_c |
| x4 vdd Up nUp vco_vctrl Down nDown vss iref_cp cp_nswitch cp_pswitch cp_biasp charge_pump_pex_c |
| x5 vss vco_vctrl lf_vc lf_D0 loop_filter_v2_pex_c |
| x6 vdd vco_out out_to_buffer out_to_div vss out_first_buffer ring_osc_buffer_pex_c |
| x7 vdd out_to_pad out_to_buffer vss buffer_salida_pex_c |
| x8 n_out_by_2 vss out_to_div vdd out_by_2 out_div_2 n_out_div_2 out_buffer_div_2 n_out_buffer_div_2 |
| + div_by_2_pex_c |
| x9 s1n s0n s_0 s_1 MC clk_0 clk_pre vss vdd clk_out_mux21 clk_d n_clk_0 out_div out_by_2 clk_5 |
| + clk_2_f n_out_by_2 clk_1 n_clk_1 freq_div_pex_c |
| x3 vdd vco_out vco_vctrl vss vco_D0 csvco_pex_c |
| .ends |
| |
| .GLOBAL GND |
| **** begin user architecture code |
| |
| **** end user architecture code |
| ** flattened .save nodes |
| .end |
