Welcome to DefSim Server!

DefSim is an integrated circuit (IC) and a proprietary measurement environment for experimental study of CMOS defects. The central element of the DefSim environment is the IC with a large variety of shorts and opens physically inserted into a set of simple digital circuits. The IC is attached to a dedicated measurement box serving as an interface to the computer. The box supports two measurement modes - voltage and IDDQ testing.

The DefSim chip was designed in AMS 0.8µm CMOS (double-metal, double-poly) technology. Prototype chips were manufactured via TIMA-CMP Multi-Project Wafer service. The chip occupies 19.90 mm2 of silicon. It is composed of approx. 48000 transistors, uses 62 pins, and is packaged in JLCC68 package.

For more information about DefSim Server and DefSim Personal visit

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