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To: unclewest who wrote (12588)	1/7/1999 7:47:00 PM
From: unclewest	Respond to of 93625

this link provides a complete technical description of what the patent is for. companysleuth.com whoops, doesn't work. when you get there click on claims and description.

To: unclewest who wrote (12588)	1/7/1999 7:58:00 PM
From: MileHigh	Read Replies (1) \| Respond to of 93625

Some sort of low voltage, load balancing device Perhaps for handhelds <gg> MileHigh

To: unclewest who wrote (12588)	1/7/1999 8:19:00 PM
From: Alan Bell	Read Replies (1) \| Respond to of 93625

A quick look at the patent indicates that it might be part of the on-chip clock generation circuitry. It is very important that the chip's internal clock be exactly in phase with the external clock. This requires a phase locked loop on the chip. Because of the very high clock speeds used in RDRam the accuracy of the phasing of these two clocks is very critical. The patent describes a charge pump circuit (which is commonly used in PLLs) with low phase error. They probably patented the circuit they are using in the RDRams so they can protect their intellectual property. -- Alan