I found this site the other day while searching for a data sheet:
http://www.datasheetcatalog.com/
Here's another one I frequently use:
http://octopart.com/
![Wink ;) ;)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
http://www.datasheetcatalog.com/
Here's another one I frequently use:
http://octopart.com/