You are currently viewing SemiWiki as a guest which gives you limited access to the site. To view blog comments and experience other SemiWiki features you must be a registered member. Registration is fast, simple, and absolutely free so please, join our community today!
Try tying the inputs to a valid low signal. You are floating the inputs from what I can tell. So give it a proper logic low at the input pins to make sure they are not drifting high. Also you should probably add a resistor to the output so that you don't burn them out.