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NAND FLASH memories are non-volatile, inexpensive and of high capacity. These characteristics make these devices ideal for fulfilling the storage requirements in the exploding mobile device market. Designers using NAND FLASH devices should follow the ONFI standard interface to ensure that their controller design will operate with devices from any vendor. The memories need both digital and analog interfaces between the devices and the system they serve. When designers add NAND devices to the system design they must consider the least expensive and lowest risk means of implementing the controller.
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