| 20V isolated NMOS FET |
| --------------------- |
| |
| Spice Model Information |
| ~~~~~~~~~~~~~~~~~~~~~~~ |
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| - Cell Name: :cell:`sky130_fd_pr__nfet_extenddrain` |
| - Model Name: :model:`sky130_fd_pr__nfet_20v0_iso` |
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| 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 isolated NMOS FET has the same construction as the 20V NMOS FET, but is built over a Deep N-well. This permits the p-well to be isolated from the substrate and permit “high-side” usage (where the PW body is held above ground). |
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| Major model output parameters are shown below and compared against the EDR (e-test) specs |
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| .. include:: nfet_20v0_iso-table0.rst |
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| The symbol of the :model:`sky130_fd_pr__nfet_20v0_iso` (20V isolated NMOS FET) is shown below. |
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| |symbol-nfet_20v0_iso| |
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| The cross-section of the 20V isolated NMOS FET is shown below. |
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| |cross-section-nfet_20v0_iso| |
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| .. |symbol-nfet_20v0_iso| image:: symbol-nfet_20v0_iso.svg |
| .. |cross-section-nfet_20v0_iso| image:: cross-section-nfet_20v0_iso.svg |
| |
