A circuit includes, in part, a multitude of magnetic random access memory cells, one or more column decoders, one or more row decoders, and a write driver circuit. The write driver circuit is responsive to data signal as well as to read/write signals. During writing of a first data to a selected magnetic...http://www.google.de/patents/US8077508?utm_source=gb-gplus-sharePatent US8077508 - Dynamic multistate memory write driver