Micron Introduces eMMC 4.4 Managed NAND Products
Micron Technology today announced support of the newly ratified JEDEC eMMC 4.4 standard with its portfolio of managed NAND solutions. Targeting mobile applications, Microns eMMC 4.4 products now offer increased security options and NAND partition management, allowing handset manufacturers to swiftly and easily transition to the new features offered in NAND. Micron is currently taking sample orders for delivery in July and expects to be production-ready in fall 2009.
The NAND partitioning feature of the eMMC 4.4 standard allows designers to configure partitions of the multi-level cell (MLC) NAND to act as single-level cell (SLC) NAND and securely store and execute handset boot code. Doing this in MLC NAND eliminates the need for an extra SLC chip and reduces the component count, simplifying product integration and freeing up board space. Also new for the eMMC 4.4 standard are heightened security features that restrict access to the phones critical software, including the boot code and operating system. Specific security features include power-on write protection, permanent write protection and secure memory block. These features ensure that data is unaltered when transferred and stored, as well as during device re-boot and power down.
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