| * SPICE3 file created from bottom_pixel.ext - technology: sky130B |
| |
| .subckt dram_cell WWL WBL RWL RBL VSUBS |
| X0 RWL storage RBL VSUBS sky130_fd_pr__nfet_01v8 ad=3e+11p pd=2.6e+06u as=3.5e+11p ps=2.7e+06u w=1e+06u l=150000u |
| X1 storage WWL WBL VSUBS sky130_fd_pr__nfet_01v8 ad=3.5e+11p pd=2.7e+06u as=3e+11p ps=2.6e+06u w=1e+06u l=150000u |
| .ends |
| |
| .subckt dram_array dram_cell_1/WWL dram_cell_1/RWL dram_cell_0/WBL dram_cell_1/WBL |
| + dram_cell_1/RBL dram_cell_0/RBL VSUBS dram_cell_0/RWL |
| Xdram_cell_0 dram_cell_1/WWL dram_cell_0/WBL dram_cell_0/RWL dram_cell_0/RBL VSUBS |
| + dram_cell |
| Xdram_cell_1 dram_cell_1/WWL dram_cell_1/WBL dram_cell_1/RWL dram_cell_1/RBL VSUBS |
| + dram_cell |
| .ends |
| |
| .subckt x4bit_dram dram_array_1/dram_cell_0/WBL dram_array_1/dram_cell_1/WWL dram_array_1/dram_cell_0/RBL |
| + dram_array_1/dram_cell_1/WBL dram_array_1/dram_cell_0/RWL dram_array_0/dram_cell_0/RBL |
| + dram_array_0/dram_cell_1/WBL dram_array_0/dram_cell_1/RBL dram_array_1/dram_cell_1/RBL |
| + dram_array_0/dram_cell_0/WBL VSUBS |
| Xdram_array_0 dram_array_1/dram_cell_1/WWL dram_array_1/dram_cell_0/RWL dram_array_0/dram_cell_0/WBL |
| + dram_array_0/dram_cell_1/WBL dram_array_0/dram_cell_1/RBL dram_array_0/dram_cell_0/RBL |
| + VSUBS dram_array_1/dram_cell_0/RWL dram_array |
| Xdram_array_1 dram_array_1/dram_cell_1/WWL dram_array_1/dram_cell_1/RWL dram_array_1/dram_cell_0/WBL |
| + dram_array_1/dram_cell_1/WBL dram_array_1/dram_cell_1/RBL dram_array_1/dram_cell_0/RBL |
| + VSUBS dram_array_1/dram_cell_0/RWL dram_array |
| .ends |
| |
| .subckt x8bit_dram 4bit_dram_1/dram_array_1/dram_cell_1/WBL 4bit_dram_0/dram_array_1/dram_cell_0/WBL |
| + 4bit_dram_1/dram_array_0/dram_cell_0/RBL 4bit_dram_0/dram_array_1/dram_cell_0/RBL |
| + 4bit_dram_1/dram_array_0/dram_cell_1/WBL 4bit_dram_0/dram_array_1/dram_cell_1/WBL |
| + 4bit_dram_1/dram_array_1/dram_cell_0/RBL 4bit_dram_1/dram_array_0/dram_cell_0/WBL |
| + 4bit_dram_0/dram_array_0/dram_cell_0/RBL 4bit_dram_0/dram_array_0/dram_cell_1/WBL |
| + 4bit_dram_1/dram_array_1/dram_cell_1/RBL 4bit_dram_0/dram_array_1/dram_cell_1/RBL |
| + 4bit_dram_1/dram_array_1/dram_cell_0/RWL 4bit_dram_1/dram_array_1/dram_cell_1/WWL |
| + 4bit_dram_1/dram_array_0/dram_cell_1/RBL 4bit_dram_0/dram_array_0/dram_cell_1/RBL |
| + 4bit_dram_1/dram_array_1/dram_cell_0/WBL VSUBS 4bit_dram_0/dram_array_0/dram_cell_0/WBL |
| X4bit_dram_1 4bit_dram_1/dram_array_1/dram_cell_0/WBL 4bit_dram_1/dram_array_1/dram_cell_1/WWL |
| + 4bit_dram_1/dram_array_1/dram_cell_0/RBL 4bit_dram_1/dram_array_1/dram_cell_1/WBL |
| + 4bit_dram_1/dram_array_1/dram_cell_0/RWL 4bit_dram_1/dram_array_0/dram_cell_0/RBL |
| + 4bit_dram_1/dram_array_0/dram_cell_1/WBL 4bit_dram_1/dram_array_0/dram_cell_1/RBL |
| + 4bit_dram_1/dram_array_1/dram_cell_1/RBL 4bit_dram_1/dram_array_0/dram_cell_0/WBL |
| + VSUBS x4bit_dram |
| X4bit_dram_0 4bit_dram_0/dram_array_1/dram_cell_0/WBL 4bit_dram_1/dram_array_1/dram_cell_1/WWL |
| + 4bit_dram_0/dram_array_1/dram_cell_0/RBL 4bit_dram_0/dram_array_1/dram_cell_1/WBL |
| + 4bit_dram_1/dram_array_1/dram_cell_0/RWL 4bit_dram_0/dram_array_0/dram_cell_0/RBL |
| + 4bit_dram_0/dram_array_0/dram_cell_1/WBL 4bit_dram_0/dram_array_0/dram_cell_1/RBL |
| + 4bit_dram_0/dram_array_1/dram_cell_1/RBL 4bit_dram_0/dram_array_0/dram_cell_0/WBL |
| + VSUBS x4bit_dram |
| .ends |
| |
| .subckt sens_amp V_IN SA_IREF OUT REF VDD GND |
| X0 GN GN VDD VDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=1.8e+12p ps=1.22e+07u w=1e+06u l=500000u |
| X1 net1 V_IN net2 GND sky130_fd_pr__nfet_01v8_lvt ad=1.4e+12p pd=8.7e+06u as=1.775e+12p ps=1.05e+07u w=4e+06u l=150000u |
| X2 net2 REF GN GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=1.45e+12p ps=9.1e+06u w=4e+06u l=150000u |
| X3 net1 GN VDD VDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=500000u |
| X4 net2 SA_IREF GND GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=6e+11p ps=4.7e+06u w=500000u l=1e+06u |
| X5 OUT net1 VDD VDD sky130_fd_pr__pfet_01v8_lvt ad=1.05e+12p pd=6.7e+06u as=0p ps=0u w=3e+06u l=350000u |
| X6 OUT net1 GND GND sky130_fd_pr__nfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=150000u |
| C0 VDD GND 2.64fF |
| .ends |
| |
| .subckt x8bit_sens INx1x INx0x INx2x INx3x INx4x INx5x INx6x INx7x OUTx7x OUTx6x OUTx5x |
| + OUTx4x OUTx3x OUTx2x OUTx1x OUTx0x SA_IREF VREF VDD GND |
| Xsens_amp_2 INx5x SA_IREF OUTx5x VREF VDD GND sens_amp |
| Xsens_amp_3 INx4x SA_IREF OUTx4x VREF VDD GND sens_amp |
| Xsens_amp_4 INx3x SA_IREF OUTx3x VREF VDD GND sens_amp |
| Xsens_amp_5 INx2x SA_IREF OUTx2x VREF VDD GND sens_amp |
| Xsens_amp_6 INx1x SA_IREF OUTx1x VREF VDD GND sens_amp |
| Xsens_amp_7 INx0x SA_IREF OUTx0x VREF VDD GND sens_amp |
| Xsens_amp_0 INx7x SA_IREF OUTx7x VREF VDD GND sens_amp |
| Xsens_amp_1 INx6x SA_IREF OUTx6x VREF VDD GND sens_amp |
| C0 SA_IREF GND 6.25fF |
| C1 VDD GND 16.99fF |
| .ends |
| |
| .subckt bottom_pixel VREF PIX_OUT ROW_SEL CSA_VREF SF_IB NB1 PIX_IN READ BIAS2 BIAS1 |
| + V_RAMP GRAYx0x OUTx1x OUTx0x OUTx3x OUTx2x OUTx5x OUTx4x GRAYx6x GRAYx7x OUTx6x |
| + OUTx7x GRAYx5x GRAYx4x GRAYx3x GRAYx2x GRAYx1x VBIAS NB2 gring ARRAY_OUT COL_SEL |
| + DVDD VDD GND |
| X8bit_dram_0 GRAYx7x GRAYx2x OUTx4x OUTx2x GRAYx5x GRAYx3x OUTx6x GRAYx4x OUTx0x GRAYx1x |
| + OUTx7x OUTx3x READ 8bit_dram_0/4bit_dram_1/dram_array_1/dram_cell_1/WWL OUTx5x OUTx1x |
| + GRAYx6x GND GRAYx0x x8bit_dram |
| X8bit_sens_0 OUTx1x OUTx0x OUTx2x OUTx3x OUTx4x OUTx5x OUTx6x OUTx7x 8bit_sens_0/OUTx7x |
| + 8bit_sens_0/OUTx6x 8bit_sens_0/OUTx5x 8bit_sens_0/OUTx4x 8bit_sens_0/OUTx3x 8bit_sens_0/OUTx2x |
| + 8bit_sens_0/OUTx1x 8bit_sens_0/OUTx0x 8bit_sens_0/SA_IREF 8bit_sens_0/VREF 8bit_sens_0/VDD |
| + GND x8bit_sens |
| X0 a_2200_n380# ROW_SEL PIX_OUT GND sky130_fd_pr__nfet_01v8_lvt ad=6.5e+11p pd=5e+06u as=3.8e+12p ps=2.17e+07u w=2e+06u l=1e+06u |
| X1 DVDD a_1000_n1450# a_1000_n1450# DVDD sky130_fd_pr__pfet_01v8_lvt ad=1.45e+12p pd=1.09e+07u as=3.5e+11p ps=2.7e+06u w=1e+06u l=1e+06u |
| X2 8bit_dram_0/4bit_dram_1/dram_array_1/dram_cell_1/WWL a_1870_n1400# GND GND sky130_fd_pr__nfet_01v8 ad=4e+11p pd=2.8e+06u as=4.80002e+12p ps=3.7605e+07u w=1e+06u l=150000u |
| X3 GND NB1 a_n30_n2640# GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=3.22e+12p ps=1.79e+07u w=1.2e+06u l=1e+06u |
| X4 a_n140_n550# VBIAS a_n140_n780# GND sky130_fd_pr__nfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=2.1525e+12p ps=1.76e+07u w=1e+06u l=800000u |
| X5 a_1720_n1450# V_RAMP a_1100_n1450# GND sky130_fd_pr__nfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=8.8e+11p ps=7.1e+06u w=1e+06u l=150000u |
| X6 a_1870_n1400# a_1720_n1450# DVDD DVDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=450000u |
| X7 a_1100_n1450# AMP_OUT a_1000_n1450# GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=3.5e+11p ps=2.7e+06u w=1e+06u l=150000u |
| X8 a_2287_n292# AMP_OUT GND VDD sky130_fd_pr__pfet_01v8_lvt ad=5e+11p pd=3e+06u as=5.44002e+12p ps=2.801e+07u w=1e+06u l=1e+06u |
| X9 8bit_dram_0/4bit_dram_1/dram_array_1/dram_cell_1/WWL a_1870_n1400# DVDD DVDD sky130_fd_pr__pfet_01v8 ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=200000u |
| X10 AMP_OUT NB2 a_300_n1210# GND sky130_fd_pr__nfet_01v8_lvt ad=6.975e+11p pd=5.7e+06u as=4e+11p ps=2.8e+06u w=1e+06u l=1.2e+06u |
| X11 a_1100_n1450# BIAS1 GND GND sky130_fd_pr__nfet_01v8 ad=0p pd=0u as=0p ps=0u w=450000u l=1e+06u |
| X12 a_350_10# a_n140_n550# a_n140_n550# VDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=3.5e+11p ps=2.7e+06u w=1e+06u l=2e+06u |
| X13 VDD SF_IB a_2287_n292# VDD sky130_fd_pr__pfet_01v8_lvt ad=1.05e+12p pd=8.1e+06u as=0p ps=0u w=1e+06u l=1e+06u |
| X14 PIX_IN AMP_OUT sky130_fd_pr__cap_mim_m3_1 l=2e+06u w=2e+06u |
| X15 a_n30_n2640# VREF a_n140_n780# GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=0p ps=0u w=7e+06u l=150000u |
| X16 VDD a_350_10# a_350_10# VDD sky130_fd_pr__pfet_01v8_lvt ad=0p pd=0u as=0p ps=0u w=1e+06u l=2e+06u |
| X17 a_1460_10# a_350_10# VDD VDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=2e+06u |
| X18 AMP_OUT CSA_VREF PIX_IN VDD sky130_fd_pr__pfet_01v8_lvt ad=2.94e+11p pd=2.24e+06u as=2.73e+11p ps=2.14e+06u w=420000u l=8e+06u |
| X19 a_1870_n1400# BIAS2 GND GND sky130_fd_pr__nfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=1e+06u |
| X20 a_120_n550# a_n140_n550# a_1460_10# VDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=2e+06u |
| X21 a_120_n550# VBIAS a_120_n780# GND sky130_fd_pr__nfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=2.1525e+12p ps=1.76e+07u w=1e+06u l=800000u |
| X22 a_120_n780# PIX_IN a_n30_n2640# GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=0p ps=0u w=7e+06u l=150000u |
| X23 a_1720_n1450# a_1000_n1450# DVDD DVDD sky130_fd_pr__pfet_01v8_lvt ad=3.5e+11p pd=2.7e+06u as=0p ps=0u w=1e+06u l=1e+06u |
| X24 ARRAY_OUT COL_SEL PIX_OUT GND sky130_fd_pr__nfet_01v8_lvt ad=2.8e+12p pd=1.67e+07u as=0p ps=0u w=8e+06u l=200000u |
| X25 VDD a_120_n550# AMP_OUT GND sky130_fd_pr__nfet_01v8_lvt ad=1.185e+12p pd=8.4e+06u as=0p ps=0u w=1e+06u l=1e+06u |
| X26 VDD a_2287_n292# a_2200_n380# GND sky130_fd_pr__nfet_01v8_lvt ad=0p pd=0u as=0p ps=0u w=1e+06u l=150000u |
| C0 PIX_OUT ARRAY_OUT 3.10fF |
| C1 PIX_IN gring 3.01fF |
| C2 gring GND 2.82fF |
| C3 ARRAY_OUT GND 4.28fF |
| C4 PIX_OUT GND 4.31fF |
| C5 DVDD GND 3.42fF |
| C6 VDD GND 6.42fF |
| C7 AMP_OUT GND 2.80fF |
| C8 8bit_sens_0/SA_IREF GND 6.07fF |
| C9 8bit_sens_0/VDD GND 17.51fF |
| C10 8bit_dram_0/4bit_dram_1/dram_array_1/dram_cell_1/WWL GND 2.55fF |
| .ends |
| |
