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fpga_asic_designer
Joined: 04 Nov 2007
Posts: 30
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 24 Feb 2009 1:56 fast fast corner |
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does any one know the meaning of fast fast corner and slow slow corner?
why there are two fast and two slow? what does they mean respectively? wafer fast? process fast? 
thanks
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Google
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24 Feb 2009 1:56 Ads |
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RBB
Joined: 02 Jul 2007
Posts: 115
Helped: 11
Location: USA
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24 Feb 2009 5:03 slow corner |
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| fast nmos, fast pmos and slow nmos, slow pmos
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fpga_asic_designer
Joined: 04 Nov 2007
Posts: 30
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24 Feb 2009 6:17 slow corner temperature |
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fast nmos/pmos?
u sure?
i will just specify a single FAST/SLOW to indicate that...
is there any parts marked as "fast slow corner parts" or "slow fast corner parts"?
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pra
Joined: 08 Jan 2005
Posts: 98
Helped: 7
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24 Feb 2009 8:50 eda board corner parts |
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What RBB said is true.
Few fab's will also consider the temperature also and make sure that their design won't has any violations
check the below link for more information
http://www.chipestimate.com/techtalk/techtalk_081007.html
And also check the below IEEE paper to get the usage for fast nmos slowpmos v/vs
http://ieeexplore.ieee.org/ielx5/10557/33406/01581519.pdf?arnumber=1581519
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fpga_asic_designer
Joined: 04 Nov 2007
Posts: 30
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24 Feb 2009 9:10 fast corner |
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| :Dthanks a lot for the info!
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