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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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 Posted: Tue Oct 18, 2011 8:35 pm Post subject: any ideas of this large chip |
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This chip didn't sell on ebay, but I am interested if anyone has any idea of its use.
seemly about 100 x 100mm square and has an unusual pin arrangement on the bottom
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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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| Posted: Tue Oct 18, 2011 8:53 pm Post subject: |
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wow...pretty amazing pinout
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bccwchan
Joined: 20 Sep 2004
Posts: 2585
Location: Hong Kong
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| Posted: Tue Oct 18, 2011 8:55 pm Post subject: |
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| I'd love to have one in my collection even don't know what it is. |
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smithy
Joined: 27 Apr 2008
Posts: 2906
Location: Sydney, Australia
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| Posted: Tue Oct 18, 2011 9:01 pm Post subject: |
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It is just a blank, right? No die attached...and pads go right to edge (without pins). Some custom part??
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Neon_WA
Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
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| Posted: Tue Oct 18, 2011 9:08 pm Post subject: |
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| smithy wrote: | | It is just a blank, right? No die attached...and pads go right to edge (without pins). Some custom part?? |
I honestly have no idea... but similar to some test assemblies
but all I have seen have been LGA not PGA
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There are 10 types of people in this world:
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johnorun
Joined: 04 Apr 2008
Posts: 3364
Location: Chicago, IL- US
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doccybrown
Joined: 03 Oct 2005
Posts: 1736
Location: Germany
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| Posted: Wed Oct 19, 2011 12:46 am Post subject: |
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If the quadratic area in the middle of the top
is the pad-matrix for the chipdie I would say
its an unfinished gate array chip...
Strange (finished) stuff like this can sometimes be
found in supercomputers and other special
high-end computers. A real pity that there is no
hint on the chip who the manufacturer is.
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gshv
Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA
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| Posted: Wed Oct 26, 2011 10:54 pm Post subject: |
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Stu, you forgot to mention that the chip weights 0.8 lb. That's like 4 Pentium Pros.
Gennadiy |
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Neon_WA
Joined: 08 Nov 2008
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Location: Margaret River, West Australia
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