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Technology Stocks : Rambus (RMBS) - Eagle or Penguin
RMBS 95.53+0.7%Nov 28 12:59 PM EST
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To: John Walliker who wrote (30761)9/27/1999 11:01:00 AM
From: Bilow  Read Replies (1) of 93625
 
Hi John Walliker; Re that Vref on Rambus (and DDR, as well). While it is supposed to be a DC signal, no such thing ever exists in actual systems. Noise is everywhere. Not that this means that this is the cause for the problem. It's just that they never publish specs which give what the impedance or capacitance of the input pin is. In other words, the specs are written as if the pins really were at a perfect DC level, as if this were ever achievable.

-- Carl
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