Alliance Memory Launched a Line of 1Gb, 2Gb, and 4Gb Mobile LPDDR2 SDRAMs to Increase Battery Life in Portable Electronics
SAN CARLOS, Calif. — April 12, 2017 — Alliance Memory introduced a line of high-speed CMOS mobile low-power DDR2 SDRAMs(Mobile LPDDR2 SDRAMs) with densities of 1Gb, 2Gb, and 4Gb in the 134-ball FBGA package. The devices offer a variety of power-saving features, including 1.2 V/1.8 V operating voltages, to extend battery life in portable electronics, while their high density enables ultra-slim designs.
The LPDDR2 SDRAMs provide reliable drop-in, pin-to-pin compatible replacements for a number of similar solutions in ultra-low-voltage cores and I/O power supplies for mobile devices such as smartphones and tablets. For these products, the ICs feature auto temperature-compensated self-refresh (TCSR) to minimize power consumption at lower ambient temperatures. In addition, their partial-array self-refresh (PASR) feature reduces power by only refreshing critical data, while a deep power down (DPD) mode provides an ultra-low power state when data retention isn’t required.
Featuring a double data rate four-bit prefetch architecture, the LPDDR2 SDRAMs deliver high-speed operation with clock rates of 400MHz and 533MHz, and are available in commercial (-30℃ to +85℃) and industrial (-40℃ to +85℃) temperature ranges. The devices offer programmable read or write burst lengths of 4, 8, or 16; an auto pre-charge function provides a self-timed row pre-charge initiated at the end of the burst sequence. Easy-to-use refresh functions include auto- or self-refresh. The RoHS-compliant ICs are lead (Pb)- and halogen-free.
Device Specification Table
Alliance Memory offers an extensive line-up of mobile low-power SDRAMs to help designers meet the demand for reduced power consumption in portable electronics, including 64M, 128M, 256M, 512M, and 1GB LPDDR1 SDRAMs and 16GB LPDDR3 SDRAMs. 8GB 256M x 32 LPDDR2 SDRAMs in the 134-ball FBGA package will also be available soon.
Samples and production quantities of the LPDDR2 SDRAMs are available now.
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