Specifications

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Primitive Devices
Every device on a LogicWorks schematic has a characteristic known as its
primitive type. The primitive type is set when the part entry in the library is
created, and cannot be changed for individual devices on the schematic.
Primitive types fall into three general groups:
 Schematic symbols: The two primitive types SUBCIRCUIT and
SYMBOL fall into this category and are the normal primitive types
used for creating schematic symbols. SUBCIRCUIT is the default type
for symbols created using the DevEditor. There are no restrictions on
the ordering or type of pins on these symbols.
 Pseudo–device types: These are the symbols used for bus breakouts,
power and ground symbols, etc.
IMPORTANT: LogicWorks has very specific requirements for the order and type of pins on
pseudo–devices. Refer to Appendix A, Primitive Device Pin Summary, for
information. These rules are not checked by the DevEditor.
 Simulation types: The majority of the primitive types defined in the
following tables are simulation primitives and are intended for use with
the LogicWorks simulator.
IMPORTANT: The simulation primitive types should not be used for user–created symbols
without a clear understanding of their function.
LW Reference.bk Page 95 Monday, December 15, 2003 5:59 PM