Elpida launches 2GB DDR2 memory module

Elpida announced the volume production of its 512 Megabit based 2GB DDR2 registered memory modules. These are the highest density currently available for the server market, and have a speed of 4.3 Gigabytes per second (PC2-4300). Elpida developed a new stacked BGA (sBGA) technology, allowing to create slim modules (4.8 millimeter thickness).

2 Gigabyte DDR2 DIMM Features Elpida's new DIMMs (Part numbers: EBE21RD4ABHA-xx) are based on Elpida's 512 Megabit DDR2 SDRAM devices that operate up to 533 Megabits per second (Mbps). The modules are organized as 256M words x 72-bits x 2 ranks, and they contain thirty-six 0.11 micron, 512 Megabit DDR2 devices that are stacked and mounted on the DIMMs using Elpida's unique sBGA stacking technology. The mounted devices have a CAS latency (CL) of 3, 4, 5 with a burst length of 4, 8. The standard 240-pin DIMMs have a JEDEC-compliant outline with a slim thickness of 4.8 mm, and they support Error Checking and Correction (ECC) necessary for high-end server applications. The modules also offer 1.8V operation - one-half the power consumption over DDR.

Elpida also has this type of memory in 512MB and 1GB densities.