36 lines
880 B
ReStructuredText
36 lines
880 B
ReStructuredText
20V NMOS zero-VT 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_zvt`
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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 NMOS zero-VT FET has p-well and all Vt implants blocked to achieve a zero 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_zvt-table0.rst
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The symbol of the :model:`sky130_fd_pr__nfet_20v0_zvt` (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-nfet_20v0_zvt|
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.. |cross-section-nfet_20v0_zvt| image:: cross-section-nfet_20v0_zvt.svg
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