1.8V low-VT PMOS FET -------------------- Spice Model Information ~~~~~~~~~~~~~~~~~~~~~~~ - Cell Name: :cell:`sky130_fd_pr__pfet_01v8` - Model Name: :model:`sky130_fd_pr__pfet_01v8_lvt` Operating Voltages where SPICE models are valid - :math:`V_{DS} = 0` to -1.95V - :math:`V_{GS} = 0` to -1.95V - :math:`V_{BS} = -0.1` to +1.95V Details ~~~~~~~ Major model output parameters are shown below and compared against the EDR (e-test) specs .. include:: pfet_01v8_lvt-table0.rst Inverter Gate Delays using sky130_fd_pr__nfet_01v8_lvt/:model:`sky130_fd_pr__pfet_01v8_lvt` device combinations: .. include:: pfet_01v8_lvt-table1.rst The symbol of the :model:`sky130_fd_pr__pfet_01v8_lvt` (1.8V low-VT PMOS FET) is shown below: |symbol-pfet_01v8_lvt| The cross-section of the low-VT PMOS FET is shown below. The cross-section is identical to the std PMOS FET except for the :math:`V_T` adjust implants (to achieve the lower :math:`V_T`) |cross-section-pfet_01v8_lvt| .. |symbol-pfet_01v8_lvt| image:: symbol-pfet_01v8_lvt.svg .. |cross-section-pfet_01v8_lvt| image:: cross-section-pfet_01v8_lvt.svg