DDR3 mobile RAM touts 6.4GB/s data transfer rate

Elpida Memory Inc. has unleashed a 30nm process 4Gb DDR3 Mobile RAM (LPDDR3). The chip can achieve a high-speed data transfer rate of 1600Mbit/s at an operating voltage of 1.2V, the company stated.

The LPDDR3 achieves a data transfer rate twice as fast as DDR2 Mobile RAM (LPDDR2) that is the current leading DRAM preference for mobile devices, noted Elpida. Based on a per pin speed of 1600Mbit/s, a single LPDDR3 device has a data transfer rate of 6.4GB/s or 12.8GB/s in high-end mobile devices using a two-chip configuration. When compared with LPDDR2 on a same-speed basis, LPDDR3 consumes roughly 25 percent less power, enabling it to extend the operating time of such mobile devices as smartphones and tablets. In addition, the device operates from -30°C to 85°C.

Sample shipments of the new LPDDR3 will begin toward the end of the year. Depending on customer demand, volume production is expected to start late next year. Also, two- and four-layer stacking configurations will enable high-density 8Gb and 16Gb chips to be added the lineup of LPDDR3 products.