User`s guide

4
-
18 Creatin
g
and Editin
g
Models
Runnin
g
the Parts Utilit
y
from
the S
y
mbol Editor
If you want to:
• base a new part on an existing symbol, or
• edit the model for an existing symbol and have it affect all
schematics that use the symbol,
then run the Parts utility from the symbol editor in Schematics.
Note
You can only edit models for device types that the
Parts utility supports. See
Parts-Supported Device
Types on page 4-12 for details.
Startin
g
the Parts utilit
y
To start the Parts utilit
y
from the Schematics
s
y
mbol editor
Start the symbol editor.
1
From the File menu in the schematic editor, select Edit
Library.
Start the Parts utility.
2
In the symbol editor, get, copy, or import a symbol
definition.
3
From the Edit menu, click Attribute.
a
Make sure that the MODEL attribute is assigned a a new
or existing model name. If the model name exists, make
sure that the Parts utility supports the device type.
b
If you are creating a new model, change the PART
attribute value as needed to match the new model name.
c
Click OK.
4
From the Edit menu, click Model.
5
Click Edit Model (Parts).
After you have started the Parts
utility, you can proceed with
enterin
g
data sheet information
and model fittin
g
as described in
How to Fit Models on page 4-14.
For
g
eneral information about
creatin
g
symbols, see Chapter
5,Creating Symbols for Models.