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phoenixdave
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re: The realities of IP reuse
phoenixdave   12/29/2011 11:53:08 AM
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IP reuse is the foundation of open source software such as Ubuntu, Android, etc. But when it comes to circuit design considerations, a small change can require a large redesign.

abt tech
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re: The realities of IP reuse
abt tech   12/29/2011 10:16:47 AM
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ndancer
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re: The realities of IP reuse
ndancer   8/18/2011 7:28:55 PM
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I stole this from somewhere - don't remember where ... sometimes, the best IP reuse is to recover the disk space ...

Duane Benson
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re: The realities of IP reuse
Duane Benson   8/18/2011 3:58:52 PM
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I don't think the software industry gets enough credit in this regard. Consider that language and OS libraries are really just code reuse. If each developer had to hand code all of the functionality that lives in libraries, then we could say that IP reuse doesn't really exist. As it is, we're typically only looking at the in-house coding and ignoring all of the externally developed code.

John.Gyurek_#2
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re: The realities of IP reuse
John.Gyurek_#2   8/18/2011 1:35:46 PM
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All true but the real point here is that if you don't have a well defined need with standard or well defined I/O that does NOT require modification you are shopping in the wrong aisle. Design reuse is different than integrating an IP block. An experianced project manager should know the difference and schedule accordingly.

AlPothoof
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re: The realities of IP reuse
AlPothoof   8/17/2011 10:26:08 PM
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The numbers I have seen in the software industry indicate that if you need to modify as little as 25% of the code, you are ahead to start from scratch; the modifications will take longer and cost more.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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