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eMMC flash modules

24.02.2015

Samsung has announced the release of embedded drives based on eMMC 5.1 flash memory. The manufacturer emphasizes that the specification was adopted quite recently, and he already has the first products in the industry that meet its requirements.

The line includes models with a capacity of 16, 32 and 64 GB. The drive of the maximum volume in sequential read mode shows speeds up to 250 MB / s, in sequential write mode - up to 125 MB / s. Performance values ​​for random access operations reach 11 IOPS in the case of reading and 000 IOPS in the case of writing.

For comparison, we can recall the performance of 5.0 GB eMCC 64 modules released by Samsung in November 2012. Sequential read and write speeds are 260 and 50 MB/s, and random read and write performance is 5000 and 2000 IOPS. Progress, as they say, is visible to the naked eye.

Compliance with the eMMC 5.1 specification means support for command queuing, a feature first introduced in the eMMC standard, which is useful for multitasking and playing Ultra HD video. In addition, the modules support the Secure Write Protection feature, which restricts access to eMMC protected areas.

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Random news from the Archive

Creation of electrically conductive nanostructures using water and air 04.11.2021

Scientists from Japan have noticed unique reactions in the interaction of water, oil and air. They used them to create nanosheets, which are essential for next-generation sensors and power generation technologies.

Scientists have created microporous metal-organic frameworks (MOFs), which are composed of metal ions and organic binders. These materials formed three-dimensional nanostructures that conduct electricity. The researchers used the same conditions that are typical for the formation of an oil film on water.

In order to use the properties of MOFs in energy production and sensor technologies, scientists have changed the approach to creating these frameworks. The researchers applied a solution with organic linkers (building blocks or binders containing metal cations - Hi-Tech) to an aqueous solution of metal ions. After contact, the substances combined into a hexagonal structure. Nanostructures formed at the points of contact between liquid and air. The scientists compressed the nanosheets to give them a denser and more unbreakable structure.

The researchers tested the nanostructures using microscopic and X-ray crystallographic analysis. The densely ordered crystals indicated not only strong contact between the sheets, but also the electrical properties of the material. The researchers transferred the nanosheets to a silicon substrate, added gold electrodes, and measured the electrical conductivity.

Now scientists are studying how various parameters affect leaf morphology. Their goal is to develop a technique for creating high-quality nanosheets with desired electronic properties.

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