Alliance Memory adds density and package options to its SDRAM portfolio

LPSDR, LPDDR, and LPDDR2 devices in a range of densities and package options have been added to Alliance Memory’s high speed, CMOS, mobile, low-power SDRAMs. The SDR (LPSDR), double data rate (LPDDR), and DDR2 (LPDDR2) devices increase the SDRAM portfolio’s variety of components that combine low power consumption with power-saving features to extend battery life in mobile devices.

The PLSDR SDRAMs have power consumption of 1.8V and are available in densities of 128, 256, and 512Mbit in 54- and 90-ball FBGA packages. The LPDDR devices feature power consumption from 1.7 to 1.95V and densities of 256 and 512Mbit, 1.0 and 2Gbit in the 60- and 90-ball FBGA packages. Targeting the design of slim designs, the LPDDR2 SDRAMs offer power consumption of 1.2/1.8V and densities of 1.0, 2.0, and 4Gbit in the 134-ball FBGA package.

Designers of mobile devices may seek more functionality in tighter spaces while using less power. Alliance Memory says its low-power SDRAMs offer a variety of power-saving features, including auto temperature-compensated self-refresh (TCSR) to minimise power consumption at lower ambient temperatures. In addition, the partial-array self-refresh (PASR) feature reduces power by only refreshing critical data, while a deep power down mode provides a low power state when data retention is not required.

Alliance Memory provides critical and hard-to-find DRAM and SRAM ICs for the communications, computing, consumer electronics, medical, automotive, and industrial markets. The company’s product range includes DRAMs and SRAMs with commercial, industrial, and automotive operating temperature ranges and densities from 64kbit to 8Gbit. The privately held, Alliance Memory maintains headquarters in San Carlos, California, and regional offices in Europe, Asia, and South America.

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