ty ach for pulling that out for me, i knew there had to be absolute ratings aswell as the misleading front page saying 25 ms per pin .. knowing where to look put the answers where i could see em,.
and for sake of finishing up the post, :

max out put curent:
port b 100 ma
port a 50 ma

which means stratigic design of what goes on which port, will allow for 6 to be "on" at once, reaching ,, not exceding 50 ma,,,

puting all pins on high with an led stands a very good chance of blowing out the chip , if not a definate one, givin one led = 25 ma , 25 x 4 = 100 ma, over amping port a, rated for 50 ma