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Rambus, UMC expand process technology licensing pact

Posted: 25 Aug 2005     Print Version  Bookmark and Share

Keywords:rambus  pci express phy  interfaces 

Rambus Inc. and United Microelectronics Corp. (UMC) have extended the availability of Rambus' patented PCI Express PHY cells to UMC's 180nm, 150nm and 90nm processes. The development expands on the existing 130nm licensing agreement between the two companies, which was signed in 2004.

Under the agreement, UMC foundry customers will gain access to Rambus's portfolio of PCI-Express-based interfaces. The Rambus PCI Express PHY cells have been designed to provide chip developers with a solution that optimizes link utilization, latency, power consumption and silicon footprint.

UMC customers currently in production with Rambus' PCI Express PHY cells include the high-volume PC chipset manufacturers ULi Electronics and the high-volume PC graphics manufacturer XGI Technology Inc. Rambus PCI Express PHY cells are also in production in various bridge and communication IC products based on the UMC foundry process.

Rambus PCI Express PHYs are complete serial communication cells optimized for implementing the physical layer of the PCI Express standard. It features point-to-point, full duplex signaling and support up to a 3.2Gbps data rate. The company has also demonstrated its Turbo PCI Express platform with serial links operating at 5.0Gbps and 6.25Gbps data rates to meet future PCI Express requirements.

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