3.0V native NMOS FET
--------------------

Spice Model Information
~~~~~~~~~~~~~~~~~~~~~~~

-  Cell Name: :cell:`sky130_fd_pr__nfet_01v8`
-  Model Name: :model:`sky130_fd_pr__nfet_03v3_nvt`

Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr__nfet_03v3_nvt`

-  :math:`V_{DS} = 0` to 3.3V
-  :math:`V_{GS} = 0` to 3.3V
-  :math:`V_{BS} = 0` to -3.3V

Details
~~~~~~~

The native device is constructed by blocking out all VT implants.

The model and EDR (e-test) parameters are compared below. Note that the minimum gate length for 3V operation is 0.5 µm.


.. include:: ../nfet_03v3_nvt-and-nfet_05v0_nvt/nfet_03v3_nvt-and-nfet_05v0_nvt-table0.rst



The symbols for the :model:`sky130_fd_pr__nfet_03v3_nvt` devices are shown below.

|symbol-nfet_0v3v3_nvt|

The cross-section of the native devices is shown below.


|cross-section-nfet_03v3_nvt|

.. |symbol-nfet_0v3v3_nvt| image:: symbol-nfet_03v3_nvt.svg
.. |cross-section-nfet_03v3_nvt| image:: ../nfet_03v3_nvt-and-nfet_05v0_nvt/cross-section-nfet_03v3_nvt-and-nfet_05v0_nvt.svg

.. note:: The only differences between the :model:`sky130_fd_pr__nfet_03v3_nvt` and :model:`sky130_fd_pr__nfet_05v0_nvt` devices are the minimum gate length and the VDS requirements.