|The netlist comparator detects differences between any two
netlist files: a schematic netlist, an extracted netlist from
layout, or between versions of any two netlists. This program
facilitates a direct comparison of connectivity between the logical
and physical expressions of a design.
- Compare a schematic and a layout of the same circuit
- Compare two versions of a layout
- Violations and inconsistencies labeled on physical layout and
|The Phase Three Logic Netlist Comparator provides fast,
convenient means of detecting layout errors.
The Netlist Comparator compares the netlists from two circuits to
determine if they are the same. It labels the transistors and nodes
where correspondence could not be found and indicates the nature of
the inconsistencies. One common use of the Netlist Comparator is to
compare a netlist obtained from a schematic of a circuit with a
netlist extracted from the physical layout of the circuit. The
Netlist Comparator checks for corresponding transistor and node
connections, for corresponding node names, and also verifies that
corresponding transistors are the same size and type.
Checking your design in this manner ensures that your circuit
layout has the same physical properties as the equivalent logic
design that you developed with the design tools and verified through
The Netlist Comparator also provides a quick method of comparing
two different versions of a schematic or of a layout. For example,
it can compare two netlists with over 2000 transistors each in less
than one minute.
In either of these cases, all you need to run the comparison is a
netlist file for each version of the circuit, obtained from the
Phase Three schematic-to-netlist file translator or the circuit
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