Tocci, Ronald J. Digital systems : principles and applications / Ronald J. Tocci, Neal S. Widmer. - 8th ed. - Upper Saddle River, N.J. : Prentice Hall, c2001 [Reprinted 2004, 2005]. - xxvi, 881 p. : ill. ; 26 cm. Includes index. ISBN: 8120323149 Subjects--Topical Terms: Digital electronics. Dewey Class. No.: 621.381 / TOD