http://www.st.com/stonline/books/toc/pi/index.htm
http://www.maxim-ic.com/cgi-bin/packages?Type=Max
http://www.maxim-ic.com/cgi-bin/packages?Type=Dal
http://www.national.com/packaging/packageids.html
http://www.intersil.com/design/packages/index.asp

...všetko je na webe :P