39 lines
981 B
ReStructuredText
39 lines
981 B
ReStructuredText
20V native NMOS FET
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-------------------
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Spice Model Information
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~~~~~~~~~~~~~~~~~~~~~~~
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- Cell Name: :cell:`sky130_fd_pr__nfet_extenddrain`
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- Model Name: :model:`sky130_fd_pr__nfet_20v0_nvt`
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Operating Voltages where SPICE models are valid, subject to SOA limitations:
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- :math:`V_{DS} = 0` to +22V
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- :math:`V_{GS} = 0` to 5.5V
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- :math:`V_{BS} = 0` to -2.0V
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Details
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~~~~~~~
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The 20V native NMOS FET is similar to the 20V isolated NMOS FET, but has all Vt implants blocked to achieve a very low VT.
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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_nvt-table0.rst
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The symbol of the :model:`sky130_fd_pr__nfet_20v0_nvt` (20V native NMOS FET) shown below.
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|symbol-nfet_20v0_nvt|
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The cross-section of the 20V native NMOS FET is shown below.
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|cross-section-nfet_20v0_nvt|
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.. |symbol-nfet_20v0_nvt| image:: symbol-nfet_20v0_nvt.svg
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.. |cross-section-nfet_20v0_nvt| image:: cross-section-nfet_20v0_nvt.svg
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