Here is one of the tougher ones done here at Cisco.
Board is multi-lamination. One via from layer 1-8
another via from layers 9-16, and a thru-via. 4/4
8 weeks design time.  One designer.


Nets         =     7636   Connections         =    27595
Current Wire =        0   Reroute wires       =    60660
Completion   =  100.00%   Unconnections       =        0
# Overall Routing Time:  0:00:00
#WIRING STATISTICS=======================================================

=========
 PCB Area=1496000000.000  EIC=2826  Area/EIC=529370.134
 Components=2804  SMDs=2766
 Signal Layers=10 Power Layers=6
 Wire Junctions=8172, at vias=5914  Total Vias=37766
 Manhattan length=29653990.720  Horizontal=15116831.470  Vertical=1453715

9.250





Vicki Sanders wrote:

> [log in to unmask] wrote:
> >
> Here's one for you:
>
>  Overall size: 7.2 x 8.44
>  Number of Nets: 26,766
>  Number of Holes: ~46,000 burried vias
>  Lines / Space:  2.5 / 2.1 mils
>  Number of Layers:  54
>  Number of components: ~1300
>  Number of Pins: ~50,000
>  Time to complete: from netlist to release to board house -
>                    2 people - 6-8 weeks.
>
> This IS a difficult board!
>
> --
>
>  The more things change,
>                           the more they stay insane!
> ----------------------------------------------------------------------
> | Vicki Sanders                    | Internet: [log in to unmask]           |
> | Silicon Graphics, Inc            | Voice # : (715) 726-6779        |
> | 900 Lowater Rd.                  | Fax   # : (715) 726-6713        |
> | Chippewa Falls, WI  54729        | CF/DEV   room 119               |
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