User Guide

•
howthegatebehaveswhenaddedtoaschematic(addlevel),
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theprefixforthecomponentname,ifaprefixisused,
•
ifthevalueofthecomponentcanbechangedorifthevalue
shouldbefixedtothedevicename,
•
whichpinsrelatetothepadsofthepackage(CONNECTcom
-
mand)
•
whetheradescriptionforthiscomponentshouldbestoredinthe
library.
The following diagram shows the fully defined 7400 device with four
NAND gates and a supply gate in various package and technology
versions.
DeviceEditorwindow
Forthesetasksyoucanusethefollowingcommands.
ADD
Add a symbol to a device. Gate name, swaplevel, and addlevel can be de
-
fined in the ADD command in the parameter toolbar, or redefined later
withtheCHANGEcommand.
Theswaplevelspecifieswhetherthereareequivalentgates.
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AFirstLookatEAGLE