© 2000 Scenix Semiconductor, Inc. All rights reserved. - 44 - www.scenix.com SX18AC/SX20AC/SX28AC/SX18AC75/SX20AC75/SX28AC75 17.7 Typical Performance Characteristics (Room Temp) Active Supply Current Vs Operating Frequency (Crystal Clock) Active Supply Current Vs Operating Frequency (External Clock) Operating Frequency (MHz) 70 60 50 40 30 20 10 _ _ _ _ _ _ _ 10 20 30 40 50 _ _ 90 80 Operating Frequency (MHz) 70 60 50 40 30 20 10 _ _ _ _ _ _ _ 10 20 30 40 50 _ _ 90 80