| 20V NMOS zero-VT FET |
| -------------------- |
| |
| Spice Model Information |
| ~~~~~~~~~~~~~~~~~~~~~~~ |
| |
| - Cell Name: :cell:`sky130_fd_pr__nfet_extenddrain` |
| - Model Name: :model:`sky130_fd_pr__nfet_20v0_zvt` |
| |
| Operating Voltages where SPICE models are valid, subject to SOA limitations: |
| |
| - :math:`V_{DS} = 0` to +22V |
| - :math:`V_{GS} = 0` to 5.5V |
| - :math:`V_{BS} = 0` to -2.0V |
| |
| Details |
| ~~~~~~~ |
| |
| The 20V NMOS zero-VT FET has p-well and all Vt implants blocked to achieve a zero VT. |
| |
| Major model output parameters are shown below and compared against the EDR (e-test) specs |
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| .. include:: nfet_20v0_zvt-table0.rst |
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| The symbol of the :model:`sky130_fd_pr__nfet_20v0_zvt` (20V NMOS zero-VT FET) is still under development. |
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| The cross-section of the 20V NMOS zero-VT FET is shown below. |
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| |cross-section-nfet_20v0_zvt| |
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| .. |cross-section-nfet_20v0_zvt| image:: cross-section-nfet_20v0_zvt.svg |
| |
