000			00363 a2200145 4500
020			_a0070255377
082			_a621.3815 _bHAL
090			_c11695 _d16811
100			_aHall, Douglas V.
245			_aDigital circuits and systems`
260			_aNew York _bMcGraw - Hill _c1989 _g1989
300			_avi, 554p. _c27cm.
650			_aCOMPONENTS AND CIRCUITS
942			_cL
999			_c40128 _d40128