A circuit and method for sensing a difference between a first signal, such as a signal from the source side of a memory cell, and a second signal, such as a signal from a reference dummy cell, includes developing first and second voltages respectively in response to the first and second signals, determining...http://www.google.de/patents/US7254077?utm_source=gb-gplus-sharePatent US7254077 - Circuit and method for high speed sensing
