Re: [SI-LIST] : Some Semiconductors are Unnecessarily Fast

Roy Leventhal ([email protected])
Tue, 13 Jul 1999 13:10:44 -0500

By the way,

Full speed to me means getting the data though the bus at the fastest speed
possible. Extra ringing to deal with is extra cost, a bigger, bulkier widget and
one that consumes more power. That is the lesson being learned at OEMs right

I saw the same things in RF design and heard exactly all the same arguments.
Didn't change the laws of physics though. And none of the arguments advanced in
this discussion do either. The best part for the job is sometimes the faster,
cheaper one if there are good board level options for dealing with it. Most of
the time the better option is a part that fits its application because board
level solutions are big, expensive and consume power. Isn't shrinking size part
of Moore's Law that I hear so often from the IC guys?

By the way,

Big = signal integrity problems.

So, if I spend a little more up front I can do quite well at the delivery end.

Give me those options and tell me what they'll cost.

Don't surprise me and tell me you can't do anything about it.


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