Monolithic high-speed, low-voltage SDRAM comes in 78-ball FBGA package

Delivering increased power efficiency for high-end computer and storage systems, the monolithic high-speed, low-voltage CMOS double data rate 3 synchronous DRAM (DDR3L SDRAM) from Alliance Memory has an 8-Gb density in the 78-ball, 9-mm by 13.2-mm, lead (Pb)-free FBGA package. The 1G x 8 AS4C1G8MD3L offers a double data rate architecture for extremely fast transfer rates of up to 1600 Mbps/pin and clock rates of 800 MHz.

The AS4C1G8MD3L’s transfer rates are said to be twice as high as DDR and DDR2 SDRAMs, providing higher bandwidth for newer-generation microprocessors in industrial, medical, networking, telecom, and aerospace applications. The 8-GB DDR3L SDRAM operates from a single +1.35-V power supply and is backwards-compatible with +1.5-V power supplies to enable large memory subsystems.

The device is available with an extended commercial temperature range of 0 °C to +95 °C (AS4C1G8MD3L-12BCN). Internally configured as eight banks of 1G x 8 bits, the DDR3L SDRAM features a fast 64-ms, 8192-cycle refresh from 0 °C to +85 °C and 32 ms from +85 °C to +95 °C.

It offers fully synchronous operation and provides programmable read or write burst lengths of 4 or 8. An auto precharge function provides a self-timed row precharge initiated at the end of the burst sequence. Easy-to-use refresh functions include auto- or self-refresh, and a programmable mode register allows the system to choose the most suitable modes to maximise performance.

In addition to the 1G x 8 AS4C1G8MD3L, the company also offers the 512M x 16 AS4C512M16D3L in the 96-ball FBGA package, which is available in an extended commercial temperature range (AS4C512M16D3L-12BCN) and an industrial temperature range from -40 °C to +95 °C (AS4C512M16D3L-12BIN).

http://www.alliancememory.com

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