docs: Split the 3V and 5V native NMOS FETs.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
diff --git a/docs/rules/device-details.rst b/docs/rules/device-details.rst
index 2795cfd..f2da55e 100644
--- a/docs/rules/device-details.rst
+++ b/docs/rules/device-details.rst
@@ -686,14 +686,14 @@
 .. |cross-section-20v-nmos-zero-vt-fet| image:: device-details/fet-nmos-20v-zero-vt/cross-section-20v-nmos-zero-vt-fet.svg
 
 
-3.0V and 5.0V native NMOS FET
------------------------------
+3.0V native NMOS FET
+--------------------
 
 Spice Model Information
 ~~~~~~~~~~~~~~~~~~~~~~~
 
 -  Cell Name: :cell:`sky130_fd_pr_base__nfet`
--  Model Name: :model:`sky130_fd_pr_base__ntvnative`, :model:`sky130_fd_pr_base__nhvnative`
+-  Model Name: :model:`sky130_fd_pr_base__ntvnative`
 
 Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__ntvnative`
 
@@ -704,36 +704,28 @@
 Details
 ~~~~~~~
 
-Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__nhvnative`
-
--  V\ :sub:`DS` = 0 to 5.5V
--  V\ :sub:`GS` = 0 to 5.5V
--  V\ :sub:`BS` = +0.3 to -5.5V
-
-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, whereas the 5V device has minimum gate length of 0.9 µm.
+The model and EDR (e-test) parameters are compared below. Note that the minimum gate length for 3V operation is 0.5 µm.
 
 
-.. include:: device-details/fet-nmos-3v0-and-5v0-native/fet-nmos-3v0-and-5v0-native-table0.rst
+.. include:: device-details/fet-nmos-3v0-native/../fet-nmos-3v0-and-5v0-native/fet-nmos-3v0-and-5v0-native-table0.rst
 
 
 
-The symbols for the :model:`sky130_fd_pr_base__ntvnative` and :model:`sky130_fd_pr_base__nhvnative` devices are shown below.
+The symbols for the :model:`sky130_fd_pr_base__ntvnative` devices are shown below.
 
-|symbol-3v0-and-5v0-native-nmos-fet-ntvnative| |symbol-3v0-and-5v0-native-nmos-fet-nhvnative|
+|symbol-3v0-native-nmos-fet-ntvnative|
 
-The cross-section of the native devices is shown below. Note that the only differences between the nvtnative and :model:`sky130_fd_pr_base__nhvnative` devices are the minimum gate length and the VDS requirements.
+The cross-section of the native devices is shown below.
+
 
 |cross-section-3v0-and-5v0-native-nmos-fet|
 
-.. |symbol-3v0-and-5v0-native-nmos-fet-ntvnative| image:: device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-ntvnative.svg
-.. |symbol-3v0-and-5v0-native-nmos-fet-nhvnative| image:: device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-nhvnative.svg
-.. |cross-section-3v0-and-5v0-native-nmos-fet| image:: device-details/fet-nmos-3v0-and-5v0-native/cross-section-3v0-and-5v0-native-nmos-fet.svg
+.. |symbol-3v0-native-nmos-fet-ntvnative| image:: device-details/fet-nmos-3v0-native/symbol-3v0-nmos-fet-ntvnative.svg
+.. |cross-section-3v0-and-5v0-native-nmos-fet| image:: device-details/fet-nmos-3v0-native/cross-section-3v0-and-5v0-native-nmos-fet.svg
 
+.. note:: The only differences between the :model:`sky130_fd_pr_base__nvtnative` and :model:`sky130_fd_pr_base__nhvnative` devices are the minimum gate length and the VDS requirements.
 
 5.0V/10.5V NMOS FET
 -------------------
@@ -772,6 +764,48 @@
 .. |cross-section-5v0-10v5-nmos-fet| image:: device-details/fet-nmos-5v0-10v5/cross-section-5v0-10v5-nmos-fet.svg
 
 
+5.0V native NMOS FET
+--------------------
+
+Spice Model Information
+~~~~~~~~~~~~~~~~~~~~~~~
+
+-  Cell Name: :cell:`sky130_fd_pr_base__nfet`
+-  Model Name: :model:`sky130_fd_pr_base__nhvnative`
+
+Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__nhvnative`
+
+-  V\ :sub:`DS` = 0 to 5.5V
+-  V\ :sub:`GS` = 0 to 5.5V
+-  V\ :sub:`BS` = +0.3 to -5.5V
+
+Details
+~~~~~~~
+
+The native device is constructed by blocking out all VT implants.
+
+The model and EDR (e-test) parameters are compared below.
+
+The 5V device has minimum gate length of 0.9 µm.
+
+
+.. include:: device-details/fet-nmos-5v0-native/../fet-nmos-3v0-and-5v0-native/fet-nmos-3v0-and-5v0-native-table0.rst
+
+
+The symbols for the :model:`sky130_fd_pr_base__nhvnative` devices are shown below.
+
+|symbol-5v0-native-nmos-fet-nhvnative|
+
+The cross-section of the native devices is shown below.
+
+.. note:: The only differences between the :model:`sky130_fd_pr_base__nvtnative` and :model:`sky130_fd_pr_base__nhvnative` devices are the minimum gate length and the VDS requirements.
+
+|cross-section-3v0-and-5v0-native-nmos-fet|
+
+.. |symbol-5v0-native-nmos-fet-nhvnative| image:: device-details/fet-nmos-5v0-native/symbol-5v0-native-nmos-fet-nhvnative.svg
+.. |cross-section-3v0-and-5v0-native-nmos-fet| image:: device-details/fet-nmos-5v0-native/../fet-nmos-3v0-and-5v0-native/cross-section-3v0-and-5v0-native-nmos-fet.svg
+
+
 NMOS ESD FET
 ------------
 
diff --git a/docs/rules/device-details/fet-nmos-3v0-and-5v0-native/index.rst b/docs/rules/device-details/fet-nmos-3v0-and-5v0-native/index.rst
deleted file mode 100644
index e77a568..0000000
--- a/docs/rules/device-details/fet-nmos-3v0-and-5v0-native/index.rst
+++ /dev/null
@@ -1,48 +0,0 @@
-3.0V and 5.0V native NMOS FET
------------------------------
-
-Spice Model Information
-~~~~~~~~~~~~~~~~~~~~~~~
-
--  Cell Name: :cell:`sky130_fd_pr_base__nfet`
--  Model Name: :model:`sky130_fd_pr_base__ntvnative`, :model:`sky130_fd_pr_base__nhvnative`
-
-Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__ntvnative`
-
--  V\ :sub:`DS` = 0 to 3.3V
--  V\ :sub:`GS` = 0 to 3.3V
--  V\ :sub:`BS` = 0 to -3.3V
-
-Details
-~~~~~~~
-
-Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__nhvnative`
-
--  V\ :sub:`DS` = 0 to 5.5V
--  V\ :sub:`GS` = 0 to 5.5V
--  V\ :sub:`BS` = +0.3 to -5.5V
-
-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, whereas the 5V device has minimum gate length of 0.9 µm.
-
-
-.. include:: fet-nmos-3v0-and-5v0-native-table0.rst
-
-
-
-The symbols for the :model:`sky130_fd_pr_base__ntvnative` and :model:`sky130_fd_pr_base__nhvnative` devices are shown below.
-
-|symbol-3v0-and-5v0-native-nmos-fet-ntvnative| |symbol-3v0-and-5v0-native-nmos-fet-nhvnative|
-
-The cross-section of the native devices is shown below. Note that the only differences between the nvtnative and :model:`sky130_fd_pr_base__nhvnative` devices are the minimum gate length and the VDS requirements.
-
-|cross-section-3v0-and-5v0-native-nmos-fet|
-
-.. |symbol-3v0-and-5v0-native-nmos-fet-ntvnative| image:: symbol-3v0-and-5v0-native-nmos-fet-ntvnative.svg
-.. |symbol-3v0-and-5v0-native-nmos-fet-nhvnative| image:: symbol-3v0-and-5v0-native-nmos-fet-nhvnative.svg
-.. |cross-section-3v0-and-5v0-native-nmos-fet| image:: cross-section-3v0-and-5v0-native-nmos-fet.svg
-
diff --git a/docs/rules/device-details/fet-nmos-3v0-native/index.rst b/docs/rules/device-details/fet-nmos-3v0-native/index.rst
new file mode 100644
index 0000000..242314e
--- /dev/null
+++ b/docs/rules/device-details/fet-nmos-3v0-native/index.rst
@@ -0,0 +1,40 @@
+3.0V native NMOS FET
+--------------------
+
+Spice Model Information
+~~~~~~~~~~~~~~~~~~~~~~~
+
+-  Cell Name: :cell:`sky130_fd_pr_base__nfet`
+-  Model Name: :model:`sky130_fd_pr_base__ntvnative`
+
+Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__ntvnative`
+
+-  V\ :sub:`DS` = 0 to 3.3V
+-  V\ :sub:`GS` = 0 to 3.3V
+-  V\ :sub:`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:: ../fet-nmos-3v0-and-5v0-native/fet-nmos-3v0-and-5v0-native-table0.rst
+
+
+
+The symbols for the :model:`sky130_fd_pr_base__ntvnative` devices are shown below.
+
+|symbol-3v0-native-nmos-fet-ntvnative|
+
+The cross-section of the native devices is shown below.
+
+
+|cross-section-3v0-and-5v0-native-nmos-fet|
+
+.. |symbol-3v0-native-nmos-fet-ntvnative| image:: symbol-3v0-nmos-fet-ntvnative.svg
+.. |cross-section-3v0-and-5v0-native-nmos-fet| image:: cross-section-3v0-and-5v0-native-nmos-fet.svg
+
+.. note:: The only differences between the :model:`sky130_fd_pr_base__nvtnative` and :model:`sky130_fd_pr_base__nhvnative` devices are the minimum gate length and the VDS requirements.
diff --git a/docs/rules/device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-ntvnative.svg b/docs/rules/device-details/fet-nmos-3v0-native/symbol-3v0-native-nmos-fet-ntvnative.svg
similarity index 100%
rename from docs/rules/device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-ntvnative.svg
rename to docs/rules/device-details/fet-nmos-3v0-native/symbol-3v0-native-nmos-fet-ntvnative.svg
diff --git a/docs/rules/device-details/fet-nmos-5v0-native/index.rst b/docs/rules/device-details/fet-nmos-5v0-native/index.rst
new file mode 100644
index 0000000..99ff913
--- /dev/null
+++ b/docs/rules/device-details/fet-nmos-5v0-native/index.rst
@@ -0,0 +1,41 @@
+5.0V native NMOS FET
+--------------------
+
+Spice Model Information
+~~~~~~~~~~~~~~~~~~~~~~~
+
+-  Cell Name: :cell:`sky130_fd_pr_base__nfet`
+-  Model Name: :model:`sky130_fd_pr_base__nhvnative`
+
+Operating Voltages where SPICE models are valid for :model:`sky130_fd_pr_base__nhvnative`
+
+-  V\ :sub:`DS` = 0 to 5.5V
+-  V\ :sub:`GS` = 0 to 5.5V
+-  V\ :sub:`BS` = +0.3 to -5.5V
+
+Details
+~~~~~~~
+
+The native device is constructed by blocking out all VT implants.
+
+The model and EDR (e-test) parameters are compared below.
+
+The 5V device has minimum gate length of 0.9 µm.
+
+
+.. include:: ../fet-nmos-3v0-and-5v0-native/fet-nmos-3v0-and-5v0-native-table0.rst
+
+
+The symbols for the :model:`sky130_fd_pr_base__nhvnative` devices are shown below.
+
+|symbol-5v0-native-nmos-fet-nhvnative|
+
+The cross-section of the native devices is shown below.
+
+.. note:: The only differences between the :model:`sky130_fd_pr_base__nvtnative` and :model:`sky130_fd_pr_base__nhvnative` devices are the minimum gate length and the VDS requirements.
+
+|cross-section-3v0-and-5v0-native-nmos-fet|
+
+.. |symbol-5v0-native-nmos-fet-nhvnative| image:: symbol-5v0-native-nmos-fet-nhvnative.svg
+.. |cross-section-3v0-and-5v0-native-nmos-fet| image:: ../fet-nmos-3v0-and-5v0-native/cross-section-3v0-and-5v0-native-nmos-fet.svg
+
diff --git a/docs/rules/device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-nhvnative.svg b/docs/rules/device-details/fet-nmos-5v0-native/symbol-5v0-native-nmos-fet-nhvnative.svg
similarity index 99%
rename from docs/rules/device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-nhvnative.svg
rename to docs/rules/device-details/fet-nmos-5v0-native/symbol-5v0-native-nmos-fet-nhvnative.svg
index 24555cb..be908ff 100644
--- a/docs/rules/device-details/fet-nmos-3v0-and-5v0-native/symbol-3v0-and-5v0-native-nmos-fet-nhvnative.svg
+++ b/docs/rules/device-details/fet-nmos-5v0-native/symbol-5v0-native-nmos-fet-nhvnative.svg
@@ -82,4 +82,4 @@
    </g>
   </g>
  </g>
-</svg>
\ No newline at end of file
+</svg>