skywater-pdk/docs/rules/device-details/nfet_01v8/index.rst

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1.8V NMOS FET
-------------
Spice Model Information
~~~~~~~~~~~~~~~~~~~~~~~
- Cell Name: :cell:`sky130_fd_pr__nfet_01v8`
- Model Name: :model:`sky130_fd_pr__nfet_01v8`
Operating Voltages where SPICE models are valid
- :math:`V_{DS} = 0` to 1.95V
- :math:`V_{GS} = 0` to 1.95V
- :math:`V_{BS} = +0.3` to -1.95V
Details
~~~~~~~
Major model output parameters are shown below and compared against the EDR (e-test) specs.
.. include:: nfet_01v8-table0.rst
The symbol of the :model:`sky130_fd_pr__nfet_01v8` (1.8V NMOS FET) is shown below:
|symbol-nfet_01v8|
The cross-section of the NMOS FET is shown below:
|cross-section-nfet_01v8|
The device shows the p-well inside of a deep n-well, but it can be made either with or without the DNW under the p-well
.. |symbol-nfet_01v8| image:: symbol-nfet_01v8.svg
.. |cross-section-nfet_01v8| image:: cross-section-nfet_01v8.svg