Micron NAND Flash
Micron NAND Flash offer higher density with solid performance and endurance for mass storage applications. This leading-edge technology is offered in a diverse portfolio of MLC and SLC NAND with distinct features, functionality, and performance. Multilevel cell (MLC) NAND is popular for higher-density storage like SSDs, tablets, smart phones, and other wireless devices. Single-level cell (SLC) NAND is ideal for high-performance, high-endurance and low-power small form-factor applications.
Features
Features and Advantages of NAND Devices With Security
Write Protect: A basic, temporary security feature whereby the entire device can be locked/unlocked by toggling a hardware pin.
Block Lock: As the scope and size of STB software increases, areas of the software like boot, operating system, MSO applications and non-critical data need different access levels. Block lock is a temporary security feature that works in conjunction with the LOCK hardware pin, offering the flexibility of locking certain groups of memory blocks. If the LOCK pin is high on startup, the entire flash array is locked and the UNLOCK command should be used to unlock the memory blocks that don’t need protection against PROGRAM and ERASE operations. To reverse the unlocking of these blocks, the LOCK command can be issued, which will lock all the blocks on the device.
Lock Tight: A software command that prevents locked blocks from being unlocked and also prevents unlocked blocks from being locked. When this command is issued, the standard lock and unlock commands are disabled. This feature prevents inadvertent program or erase operations of the flash. The LOCK TIGHT command can be activated only if the write protect and the lock pins are both set high.
Permanent Block Lock: A software-enabled feature that protects certain blocks of memory permanently. It's ideal for stable and critical code such as boot, operating system, and system libraries. Permanent block lock ensures that these regions of memory can’t be modified once the STB manufacturer locks the data.
Write Protect: A basic, temporary security feature whereby the entire device can be locked/unlocked by toggling a hardware pin.
Block Lock: As the scope and size of STB software increases, areas of the software like boot, operating system, MSO applications and non-critical data need different access levels. Block lock is a temporary security feature that works in conjunction with the LOCK hardware pin, offering the flexibility of locking certain groups of memory blocks. If the LOCK pin is high on startup, the entire flash array is locked and the UNLOCK command should be used to unlock the memory blocks that don’t need protection against PROGRAM and ERASE operations. To reverse the unlocking of these blocks, the LOCK command can be issued, which will lock all the blocks on the device.
Lock Tight: A software command that prevents locked blocks from being unlocked and also prevents unlocked blocks from being locked. When this command is issued, the standard lock and unlock commands are disabled. This feature prevents inadvertent program or erase operations of the flash. The LOCK TIGHT command can be activated only if the write protect and the lock pins are both set high.
Permanent Block Lock: A software-enabled feature that protects certain blocks of memory permanently. It's ideal for stable and critical code such as boot, operating system, and system libraries. Permanent block lock ensures that these regions of memory can’t be modified once the STB manufacturer locks the data.
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