Elpida Memory Offers 512 Mbit XDR DRAM
Elpida Memory today announced the availability of 512 Megabit XDR DRAM devices in sample quantities. The new devices operate at 4.0 GHz data rate, providing the data transfer rate of 8 GB/s within a single device for digital consumer electronics applications such as high definition televisions (HDTV), gaming consoles and home entertainment server systems. XDR DRAM is based on the XDR memory interface architecture developed by Rambus.
Elpida's 512 Megabit XDR DRAM devices are organized as 4M words x 16-bits x 8 banks and with 4.0 GHz operation and 8 GB/s data transfer rate. They are manufactured using Elpida's 90 nm process technology and are available in 104-ball FBGA packages.
The devices utilize advanced Rambus-specific features such as Differential Rambus Signal Level (DRSL) interface, which minimizes the signal swing and noise, and Octal Data Rate (ODR) which transfers 8 bits per clock cycle to achieve 4.0 GHz operation even with the commonly used 400 MHz clock. The 512 Megabit XDR devices also feature programmable on-chip termination, adaptive impedance matching, dynamic request scheduling and zero overhead refresh.
Elpida's 512 Megabit XDR DRAM devices are currently sampling to customers. Volume production is expected to begin based on market demand.
Source: Elpida Memory
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