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neetinsingh
Joined: 18 Jun 2007
Posts: 51
Helped: 1
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 25 Oct 2009 11:37 transition time reduction??? |
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| How transition time get reduced after inserting buffer at the driving pin of the cell?
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ljxpjpjljx
Joined: 05 May 2008
Posts: 534
Helped: 12
Location: Shang Hai
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25 Oct 2009 16:10 Re: transition time reduction??? |
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| Because insert buffer will add some capicity for the driving pin!
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25 Oct 2009 16:10 Ads |
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neetinsingh
Joined: 18 Jun 2007
Posts: 51
Helped: 1
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25 Oct 2009 16:59 Re: transition time reduction??? |
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| can u be bit elaborative.....i didnt get ur point....
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skyfaye
Joined: 25 Feb 2008
Posts: 27
Helped: 2
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25 Oct 2009 22:25 Re: transition time reduction??? |
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Buffers increases the drive strength to your load (in the form of capacitance), therefore the transition (slope) from 0->1 or 1->0 will be faster.
However, it will also increase the latency because it's just another level of logic in your path.
Think of it like this. Before you insert the buffer, you have a little guy lifting the load and doing it slowly. After inserting the buffer, you have a strong guy lifting the same load and doing it much faster.
- Hung
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neetinsingh
Joined: 18 Jun 2007
Posts: 51
Helped: 1
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27 Oct 2009 18:56 Re: transition time reduction??? |
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| hey hung....thanks a ton.....i really appreciate ur effort for putting thing in a simple way....
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