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imar
Joined: 24 Mar 2008
Posts: 93
Helped: 1
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 21 Aug 2008 10:22 DFT and DFM meaning??? |
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hello freinds!
can any one help me and give me some explanation or links about :
*DFM: Design For Manufacturing
* DFT: Design For Testability.
thanks in advance!
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ninge
Joined: 10 May 2006
Posts: 28
Helped: 2
Location: Bangalore
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| 27 Aug 2008 9:06 Re: DFT and DFM meaning??? |
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DFM: its more related to layout and less related to Circuit Design , but while designing Circuit itself we can consider DFM Issues also....
DFT: it is different from DFM ...it purely related to testing
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imar
Joined: 24 Mar 2008
Posts: 93
Helped: 1
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| 27 Aug 2008 9:25 Re: DFT and DFM meaning??? |
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thanks ninge!
is there any book of tutorial that may help to have a deep knowlege in that field. it seems nice to practice this kind of work either when designing or when achieving Layout. i want to have more information about it?
thanks for your help.
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Riad KACED
Joined: 15 Aug 2008
Posts: 12
Helped: 1
Location: swindon, UK
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| 31 Aug 2008 0:27 Re: DFT and DFM meaning??? |
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http://www.springer.com/engineering/circuits+&+systems/book/978-0-387-30928-6
You've got hundreds of Application notes on the web otherwise.
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gafsos
Joined: 01 Feb 2006
Posts: 149
Helped: 11
Location: Africa
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| 16 Sep 2008 12:40 Re: DFT and DFM meaning??? |
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DFM purpose is to help a given design to be manufactured in volume with maximum yield. Design for Manufacturing = improve robustness versus defectivity and process window.
DFM Principles
1/ Do not use min rules when not necessary
– Find best compromise between all recommendations
– Pay specific attention to repetitive cells
( i.e., lot of instances per product like standard cells and some sub-circuits in
memories …)
– Take care of critical signals
(noise, timings, matching …)
– Most of the gain comes out from small improvements
2/Target homogeneous density for each layer
3/And for all of these, do not increase chip or cell area
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