B baftab New Member Sep 30, 2006 #1 74hc390 /74ls390 what is the difference between these two ics? please help me out
Hero999 Banned Sep 30, 2006 #2 The HC is high speed CMOS and the LS is low schottky. See the links below for more information. http://www.interfacebus.com/Design_Logic_Family_Selection.html http://en.wikipedia.org/wiki/7400_series http://www.google.com/search?client...logic+series&sourceid=opera&ie=utf-8&oe=utf-8
The HC is high speed CMOS and the LS is low schottky. See the links below for more information. http://www.interfacebus.com/Design_Logic_Family_Selection.html http://en.wikipedia.org/wiki/7400_series http://www.google.com/search?client...logic+series&sourceid=opera&ie=utf-8&oe=utf-8