Patent ID: 7904289

Claim:
A method for testing functionality of a chip checker, the chip checker being arranged for generating a predetermined coverage data output in response to receiving a set of driving signals and a corresponding set of response signals generated by an integrated circuit chip to be tested by said chip checker in response to the set of driving signals, the method comprising; a) developing a chip model of the integrated circuit chip to be tested by said chip checker, the chip model emulating at least one response of the integrated circuit chip by generating, upon receiving a predetermined set of driving signals, the corresponding set of response signals; b) supplying the developed chip model with the predetermined set of driving signals to generate the corresponding set of response signals; c) supplying the chip checker with the set of driving signals synchronously with supplying the chip checker with the corresponding set of response signals generated by the chip model to generate corresponding coverage data output; and d) verifying correct operation of the chip checker by comparing the corresponding coverage data output with a predetermined validating pattern.