The Shipments of EMMC will Increase 62％ This Year

Published:2011/7/11 2:21:00 Author:Phyllis From:SeekIC

Multimedia Card, or MMC, refers to a flash memory card standard that based on Toshiba’s NAND-based flash memory. It was first unveiled by Siemens AG SanDisk in 1997. Compared with earlier systems that based on Intel NOR-based memory such as Compact Flash, MMC is much smaller.

According to the rule, the size of a postage stamp should be 24mm×32mm×1.4mm. The original versions of the specification used a 1-bit serial interface while the newer ones allowed transfers of 4 or 8 bits every time. The multimedia card has been replaced by Secure Digital card more or less, but it is still important as it can be used in most devices that support Secure Digital cards.

The function of MMC is as a storage medium in a portable device which can be easily removed for access by a PC. For example, it can store image files for a digital camera. A MMC reader usually is a small box that connects by USB or some other external serial connection, although some computers have this function internally. So users could copy the pictures from the digital camera to his or her computer. Modern computers, both include desktops and laptops, often have Secure Digital slots, which can additionally read MMCs if the operating system drivers support them.

MMCs can be used for devices with up to and including 32GB capacity. They are available in digital audio players, cellular phones, digital cameras and PDAs. Some companies build SDC slots into their devices since the bring in of Secure Digital card, but the slightly thinner, pin-compatible MMCs can be used in almost any device that supports SD cards.

According to the latest IHS iSuppli Memory Market, the Embedded Multimedia Card or eMMC flash memory will rise 62% in shipments in 2011 as it’s increasing usage in smart devices. It also forecasts that the shipments of eMMC will reach 333.7 million units this years, up from 206 million in 2010. IHS said about 23% of all phones will feature eMMC in 2011, with a further rise of 14% projected for 2012. Other devices include tablets and e-book readers will also use this technology.

Shipments will continue to rise in the next few years, climbing 42.3% to 474.9 million units in 2012, up to 779.1 million units by 2015. The development of eMMC is growing rapidly. As an economical choice for greater flash memory densities, eMMC can be used in high end products that require high density storage capacity with low power consumption. The related integrated circuit is C1701C.

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