Tocci, Ronald J. Digital systems : principles and applications / Ronald J. Tocci and Neal S. Widmer. - 7th ed. - Upper Saddle River, N.J. : Prentice Hall, c2000. - xiv, 898 pages : illustrations ; 26 cm. Includes indexes. ISBN: 0136494927 LCCN: 97015448 Subjects--Topical Terms: Digital electronics. Dewey Class. No.: 621.381 TOC