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Jun 28th, 2011
 
Elpida begins sample shipments of DDR3 SDRAM (x32) based on TSV stacking technology
 
An 8-gigabit TSV DRAM consisting of four 2-gigabit layers that delivers eco-friendly reduced system power consumption.
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Elpida Memory, Inc. (TOKYO: 6665), Japan's leading global supplier of Dynamic Random Access Memory (DRAM), today announced that it has begun sample shipments of the industry's first DDR3 SDRAM (x32-bit I/O configuration) made using TSV (Through Silicon Via) stacking technology. The sample is a low-power 8-gigabit (1-gigabyte) DDR3 SDRAM assembled in a single package that consists of four 2-gigabit DDR3 SDRAMs fitted to a single interface chip using TSV.

 

TSV is three-dimensional stack packaging technology, which involves stacking together multiple chips vertically through electrical connections with metal-filled via holes in the SI die. Compared with the existing connection method of wire bonding multiple chips, TSV greatly reduces the length of wires in the semiconductor design to enable faster speeds, lower power consumption, smaller package size and other important chip function advantages.

Elpida began developing TSV, now recognized as a key next-generation chip technology, in 2004 based on a grant program hosted by the New Energy and Industrial Technology Development Organization (NEDO), a research endeavor founded by the Japanese government. Since then Elpida has continued to develop TSV technology. In 2009 it successfully developed the industry's first TSV DRAM based on stacking together eight 1-gigabit DDR3 SDRAMs.

In the case of notebook PCs, Elpida believes that trial use of its 8-gigabit TSV DRAM samples will demonstrate that compared with systems that use SO-DIMM (Small-outline DIMM), operating power can be reduced by 20% and standby power by 50%. Also, the chip mounting area can be reduced by 70%, the chip height can be decreased and the DIMM socket can be eliminated. The new TSV DRAM will be presented as an eco-friendly DRAM that can contribute greater energy savings and enable thin notebook PCs, tablet PCs and other mobile computing products experiencing rapid market growth to become even smaller, thinner and lighter.

Target applications:

Tablet PCs, extremely thin PCs and other mobile computing systems.


About Elpida
Elpida Memory, Inc. (Tokyo: 6665) is a leading manufacturer of Dynamic Random Access Memory (DRAM) integrated circuits. The company's design, manufacturing and sales operations are backed by world class technological expertise. Its 300mm manufacturing facilities, consisting of its Hiroshima Plant and a Taiwan-based joint venture, Rexchip Electronics, utilize the most advanced manufacturing technologies available. Elpida's portfolio features such characteristics as high-density, high-speed, low power and small packaging profiles. The company provides DRAM solutions across a wide range of applications, including personal computers, servers, mobile devices and digital consumer electronics. More information can be found at http://www.elpida.com.

 

 

 
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