US Patent 7359232 Multi-context memory cell

The multi-context memory cell comprises a first memory means for storing an item of data information and also a plurality of second memory means, it being possible for the data information stored in the first memory means to be saved in each second memory means. Moreover, the memory cell comprises a means for saving the data information stored in the first memory means into one of the second memory means, and also a means for storing the digital data information stored in a selected second memory means into the first memory means.