PFC <lists@peufeu.com> wrote:> On Mon, 03 Mar 2008 20:40:07 +0100, Antti <Antti.Lukats@googlemail.com> > wrote:> > here it is: > >...> Here's mine :> - PQ208 : put thermal pad below connected to GND, remove all GND pins > from package ; put other smaller "thermal pads" for the power supplies > and get rid of the supply pins, you get 50 more IO on the package.National did someting like that for the DP83847 ... And keep 3.3V IO capability! -- Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
my Spartan-4 wishlist
Started by ●March 3, 2008
Reply by ●May 20, 20082008-05-20
Reply by ●May 20, 20082008-05-20
>> - PQ208 : put thermal pad below connected to GND, remove all GND >> pins >> from package ; put other smaller "thermal pads" for the power supplies >> and get rid of the supply pins, you get 50 more IO on the package. > > National did someting like that for the DP83847Hey, this is a cool package, no pin wasting for power supplies, I like it... (plus it probably has better signal integrity). And no pins, which means no bent pins like on PQ208 !> And keep 3.3V IO capability!Well, definitely !
