同海大学 TONGJI UNIVERSITY X1X2 X1X2 00 01 11 10 00 01 1 10 0 0 0 0 0 0 0 0 0 0 (a)Transition table (b)Map for output Y=xx2+xiy Z=x1xy X2 (c)Logic diagram Fig.9-5 Derivation of a Circuit Specified by the Flow Table of Fig.9-4(b) 2002 Prentice Hall.Inc. M.Morris Mano DIGITAL DESIGN,3e