| 20V native NMOS FET |
| ------------------- |
| |
| Spice Model Information |
| ~~~~~~~~~~~~~~~~~~~~~~~ |
| |
| - Cell Name: :cell:`sky130_fd_pr_base__nfetexd` |
| - Model Name: :model:`sky130_fd_pr_base__n20nativevhv1` |
| |
| Operating Voltages where SPICE models are valid, subject to SOA limitations: |
| |
| - V\ :sub:`DS` = 0 to +22V |
| - V\ :sub:`GS` = 0 to 5.5V |
| - V\ :sub:`BS` = 0 to -2.0V |
| |
| Details |
| ~~~~~~~ |
| |
| 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. |
| |
| Major model output parameters are shown below and compared against the EDR (e-test) specs |
| |
| |
| .. include:: fet-nmos-20v-native-table0.rst |
| |
| |
| |
| The symbol of the :model:`sky130_fd_pr_base__n20nativevhv1` (20V native NMOS FET) shown below. |
| |
| |symbol-20v-native-nmos-fet| |
| |
| The cross-section of the 20V native NMOS FET is shown below. |
| |
| |cross-section-20v-native-nmos-fet| |
| |
| .. |symbol-20v-native-nmos-fet| image:: symbol-20v-native-nmos-fet.svg |
| .. |cross-section-20v-native-nmos-fet| image:: cross-section-20v-native-nmos-fet.svg |
| |
