サブスレッショルド伝導
↑ Operation and Modeling of the MOS Transistor (2 ed.). New York: McGraw-Hill. (1999). p. 99. ISBN 0-07-065523-5. http://worldcat.org/isbn/0070655235
↑ “The Fundamentals of Analog Micropower Design”. Circuits and systems tutorials. John Wiley and Sons. (1996). pp. 365–372. ISBN 978-0-7803-1170-1. https://books.google.com/books?id=WTInL9njOKAC&pg=PA367
↑ Low Voltage, Low Power VLSI Subsystems. McGraw-Hill Professional. (2004). Fig. 2.1, p. 44. ISBN 0-07-143786-X. https://books.google.com/books?