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Answering Questions on Embedded Multi-Media Controller, or eMMC

eMMC

 

Embedded multi-media controller, or eMMC, is a simple, low-power storage solution that contains three components in one. Although eMMC is largely the domain of smartphones and lower-end laptops, many industrial users also rely on it for storage of their application software or operating system, or to log key data. When designed in an industrial grade format, eMMC features the extended temperature ranges you would expect from storage that is used in demanding operating conditions. As OEMs and engineers consider storage options, they often have questions about eMMC. Here are the answers you need to know to make an informed decision.

 

What are the parts of an eMMC package?

eMMC combines flash memory and the flash memory controller onto a single silicone die. Generally, you will find a multi-media card interface, flash memory, and flash controller in a single package. The standard storage sizes for eMMC are 32GB and 64GB. You may notice that these numbers are the same as the storage capacities found in low-cost laptops. That is because these devices generally rely on eMMC. However, eMMCs are available with larger storage capacities, though they are becoming harder to find. Smaller storage capacities are also available for devices that only need a small amount of storage.

 

Is eMMC new technology?

The technology behind eMMC, which is MMC, existed before Secure Digital (SD) storage. This precursor to SD technology is largely gone in its non-embedded format. eMMC is not a new technology—there are newer forms of storage available—but it remains popular for the ease with which it can be used. Because the flash memory and controller are on a single die, eMMC storage can simply be soldered to the board, and it is ready to go.

 

Who should use eMMC?

If you are looking for storage for an operating system or for logging key data for an industrial application, then eMMC may be a good option. It is also popular for use in smartphones and tablets. eMMC is typically recommended for applications with small file sizes. It may be helpful to discuss your needs with your eMMC supplier to make sure it is a good fit for your system.

 

Delkin offers industrial grade eMMC as a combined flash and CPU solution, with extended temperature ranges and a controlled BOM. Our product team is available to answer your questions about using eMMC and to help you decide if it is a good SSD alternative for your application.

 

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