Elpida debuts new ultra-low voltage mobile DDR2 memory chips that operate at 1.2V.
Elpida's Mobile RAM is now used in many high-performance 2.5G and 3G mobile phones, which in recent years have gone beyond music downloading and website surfing to offer such high-performance features as video viewing, video recording and video output. Given expectations of growth in high-definition (HD) video functions, products that can rapidly process high-resolution graphics and other high-density data will become increasingly important.
The main features of DDR2 Mobile RAM are as follows:
Advanced development of DDR2 Mobile RAM compliant with the JEDEC LPDDR2 specification now undergoing final standardization.
Including the DRAM core operates at 1.2V versus 1.8V for DDR Mobile RAM
1.2V high-speed operation achieved using 70nm process technology (now in use in mass production) and new peripheral circuit technology.
Ultra-low voltage alley block and ECC circuits that use global top-level technology enabled dependable functionality with 1.2V I/O and low self-refresh current.
533Mbps high-speed functions based on the DDR2 interface
Partial alley self refresh (PASR), automatic temperature compensation self refresh (ATCSR), deep power down (DPD) and other standardized Mobile RAM special low-power functions enable a longer battery operating time.
Elpida will begin sampling its newly developed DDR2 Mobile RAM in November 2007.
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