Patent ID: 7219029

Claim:
A memory device for data storage, having: a) a memory module having at least one memory bank configured to store data and a logic unit configured to control writing data to and reading data from the at least one memory bank; and b) a test module configured to test the functionality of the memory module, the test module configured to compare expected data with actual data read out from the at least one memory bank, and to provide a test result based on the comparison, the test module furthermore having a comparison compression device configured to provide as output, in a manner dependent on the test result, a result communication signal containing information identifying whether the memory module has at least one malfunction, wherein the test module is arranged in a manner separated from the memory module in a separate circuit unit, and is connected to the memory module via a communication device for the exchange of communication signals, and wherein the communication device comprises a radio link or an optical link, and wherein the communication signals include at least one of the actual data read out and the communication signal.