Where to go when Spartan-3A DSP 3400 is full?
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From: Svenn Are Bjerkem on 3 Dec 2009 16:23 Hi, Just got a question what to do if future needs fill up a Spartan-3A DSP 3400 CS484. A very quick and unqualified look at Spartan-6 family show a package called CSG484 with same physical dimensions as the CS484. Hope to do as few changes on the PCB as possible. Since the supply voltage is not the same, a drop-in replacement will not be possible anyway, but I would like to keep the rewiring need low. Anybody done this or thought of this who would share some impressions? -- Svenn
From: austin on 3 Dec 2009 18:00 Svenn, The supply voltages are the same ... but the pinouts are different. Austin
From: Andy Peters on 3 Dec 2009 19:08 On Dec 3, 2:23 pm, Svenn Are Bjerkem <svenn.bjer...(a)googlemail.com> wrote: > Hi, > Just got a question what to do if future needs fill up a Spartan-3A > DSP 3400 CS484. A very quick and unqualified look at Spartan-6 family > show a package called CSG484 with same physical dimensions as the > CS484. Hope to do as few changes on the PCB as possible. Since the > supply voltage is not the same, a drop-in replacement will not be > possible anyway, but I would like to keep the rewiring need low. > Anybody done this or thought of this who would share some impressions? Xilinx doesn't believe in footprint-compatible parts. -a
From: John Adair on 4 Dec 2009 12:17
The CS484 package is nice but I believe it is some time off before it is available for Spartan-6. For layout plan for an entire rerouting of the design. John Adair Enterpoint Ltd.- Home of Merrick1 the High Performance Computing Board. On 3 Dec, 21:23, Svenn Are Bjerkem <svenn.bjer...(a)googlemail.com> wrote: > Hi, > Just got a question what to do if future needs fill up a Spartan-3A > DSP 3400 CS484. A very quick and unqualified look at Spartan-6 family > show a package called CSG484 with same physical dimensions as the > CS484. Hope to do as few changes on the PCB as possible. Since the > supply voltage is not the same, a drop-in replacement will not be > possible anyway, but I would like to keep the rewiring need low. > Anybody done this or thought of this who would share some impressions? > > -- > Svenn |