| 20V NMOS zero-VT FET |
| -------------------- |
| |
| Spice Model Information |
| ~~~~~~~~~~~~~~~~~~~~~~~ |
| |
| - Cell Name: :cell:`sky130_fd_pr_base__nfetexd` |
| - Model Name: :model:`sky130_fd_pr_base__n20zvtvhv1` |
| |
| Operating Voltages where SPICE models are valid, subject to SOA limitations: |
| |
| - V\ :sub:`DS` = 0 to +22V |
| - V\ :sub:`GS` = 0 to 5.5V |
| - V\ :sub:`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:: fet-nmos-20v-zero-vt-table0.rst |
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| |
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| The symbol of the :model:`sky130_fd_pr_base__n20zvtvhv1` (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-20v-nmos-zero-vt-fet| |
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| .. |cross-section-20v-nmos-zero-vt-fet| image:: cross-section-20v-nmos-zero-vt-fet.svg |
| |
