Contextual Info: SGS-THOMSON HCC4519B HCF4519B [1 0 M iü Iê ra « S 4 - BIT AND/OR SELECTOR PR O D UC T PREVIEW • ■ ■ ■ VERY LOW Q UIESCENT CURRENT HIGH NOISE IMMUNITY SUPPLY VOLTAGE RANGE 3V TO 18V SINGLE SUPPLY VOLTAGE - POSITIVE OR NEGATIVE ■ LOGIC SWING INDEPENDENT OF FANOUT