Sneak Circuit Analysis Tool



ALD Reliability and Safety Software

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Sneak Circuit Analysis (SCAT)

Sneak Circuit Analysis Tool (SCAT) automatically identifies potential sneak paths, power-to-power ties, and design concerns. It focuses on portions of the circuitry, such as a circuit card assembly or a subsystem, power distribution, or complete designs.


SCAT 5.4 is a third generation tool based on two previous CAD specific SCA applications and extensive SCA experience.

Hundreds of Sneak Circuit Analyses have been performed on systems ranging from armament control systems and fuzes, through flight control systems to automotive electronic speed control systems.

Sneak Circuit Analysis

The automated technique, SCAT, uses an Expert System to analyze a schematic netlist (in EDIF format) to produce a list of parts and topology related design concerns that allow rapid feedback to the designer with resultant benefits to safety, reliability, cost, and project schedules.


Fully automated process: making use of a unique algorithm, applicable to both early and late stage design, this tool can offer over 10 fold time & cost savings.

Platform independent: making use of industry standardized netlist files SCAT is able to automatically analyze schematics generated with any current CAD tool.

User friendly: SCAT will walk you through the process of identifying components and power ports for an error free and complete analysis of your design.

Auditable results: SCAT generates a complete list of paths and from these it identifies potential sneak paths:

• Reverse current flows (H-patterns)
• Power source to power source current flows (Y-domes)
• Ground-to-ground current flows
• Momentary undesired current paths during switching

Performance: Results are generated within seconds for review, design modifications, and reports.