Qimonda Ag

Hermann Hass

Wolfgang Ruf

Manfred Proell

Stephan Schroeder

Georg Erhard Eggers

Joerg Kliewer

An apparatus and methods for testing an integrated device comprising memory a test device are provided. At least two data inputs of the memory are coupled to a data output of the test device. As an alternative, at least two data outputs of the memory are coupled to a data input of the test device. Test data are transferred from the test device to the memory chip and written to memory cells of the memory. Data are read from the memory cells of the memory and transferring from the memory to the test device. The data read from the memory chip are compared with the test data written to the memory in order to identify faults of the memory.

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Hoehenkirchen-Siegertsbrunn, Germany

Hermann Hass