2Vincent L Fong, Fremont and Calif, "High-speed Current Sense Amplifier", United States Patent, Sep.6.1994.
3Jean Michel Daga, " Single-ended current Sense Amplifer", United States Patent, Aug.19.2003.
4Esther Vega Ordonez and Thomas Kern, " Fast Sense Amplifier for Nonvolatile Memories", United States Patent, Dec.24.2002.
5Nobuaki Otsuka and Mark A Horowitz, "Circuit Techniques for 1.5V Power Supply Flash Memory", IEEE J of Solid-State Circuits, Vol.32, NO.8, August 1997, pp.1217-1230.