Tocci, Ronald J. Digital systems : principles and applications / Ronald J. Tocci, Neal S. Widmer. - 8th ed. - Upper Saddle River, N.J. : Prentice Hall, c2001. - xxvi, 881 p. : ill. ; 26 cm. + 1 computer laser optical disc (4 3/4 in.) Include index. ISBN: 0130856347 0130896411 Subjects--Topical Terms: Digital electronics. Dewey Class. No.: 621.3916 / TOD