Rambus has said that Hitachi has agreed to sign a licence agreement for its technology, ending the patent dispute between the two companies.
Rambus sued Hitachi for patent infringement, seeking to halt the importation, sale and manufacturing of Hitachi PC100/ PC133 SDRam, DDR SDRam, SGRam, Dimm modules, SH-2, SH-3, SH-4 and SH-5 microprocessors.
Hitachi will pay Rambus an up-front settlement fee and quarterly royalty payments as part of the agreement. A Rambus representative said: "The royalty rates for DDR SDRam and the controllers, which directly interface with them, are greater than the RDRam compatible rates."
The settlement comes a week after Toshiba signed its own licence agreement with Rambus involving SDRam and DDR SDRam under similar agreement conditions.
Toshiba's agreement was seen as a fundamental shift in power for Rambus.
Both agreements could seriously affect the memory market. Any company that makes SDRam, DDR SGRam/SDRam, or controllers that interface with the memory, may now be forced to sign a licensing agreement with Rambus, which will add to the cost of overall memory production, possibly raising prices.
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