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Micron Ships First Samples of Hybrid Memory Cube

2 and 4GB HMC shipping in mid 2014

Micron Technology, Inc. announced that it is shipping 2GB Hybrid Memory Cube (HMC) engineering samples.

Micron

It represents a step forward in memory technology, and these engineering samples are the first HMC devices to be shared with customers. It’s designed for applications requiring high-bandwidth access to memory, including data packet processing, data packet buffering or storage, and computing applications such as processor accelerators. The company expects future generations of HMC to migrate to consumer applications within three to five years.

DRAM stacked atop high-performance logic
HMC uses through-silicon vias (TSVs) – vertical conduits that electrically connect a stack of individual chips-to combine high-performance logic with Micron’s DRAM. The HMC features a 2GB memory cube that is composed of a stack of four 4Gb DRAM die. The solution provides an 160GB/s of memory bandwidth while using up to 70% less energy per bit than existing technologies, which lowers customers’ TCO.

The Hybrid Memory Cube is a smart fix that breaks with the industry’s past approaches and opens up new possibilities,” said Jim Handy, memory analyst, Objective Analysis. “Although DRAM internal bandwidth has been increasing exponentially, along with logic’s thirst for data, current options offer limited processor-to-memory bandwidth and consume significant power. HMC is an exciting alternative.

The abstracted memory enables designers to devote more time to leveraging HMC’s features and performance and less time to navigating the multitude of memory parameters required to implement basic functions. It also manages error correction, resiliency, refresh, and other parameters exacerbated by memory process variation.

System designers are looking for new memory system designs to support increased demand for bandwidth, density, and power efficiency,” said Brian Shirley, VP, Micron’s DRAM solutions group. “HMC represents the new standard in memory performance; it’s the breakthrough our customers have been waiting for.

HMC has been recognized as the answer to the growing gap between the performance improvement rate of DRAM and processor data consumption rates. The company’s HMC was named Memory Product of the Year by electronics publications, EDN and EE Times.

Micron expects 4GB HMC engineering samples to be available in early 2014 with volume production of both the 2GB and 4GB HMC devices beginning later in 2014.

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