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SanDisk have introduced the 256 megabyte SD Card, a removable, postage stamp-sized flash memory card. The announcement, made at the Consumer Electronics Show, doubles the capacity of SanDisk's highest capacity SD Cards currently shipping.
The SD Card is a flash memory storage device with built-in security functions designed to facilitate the secure exchange of content between devices and the card. It is 32mm long, 24mm wide and 2.1mm thick. More than 100 products with slots for the card have been introduced.
The 256MB SanDisk SD Card uses a 1-gigabit (1Gbit, or 1024Megabit) NAND flash memory chip, the next generation of flash memory that effectively doubles the amount of storage capacity in these flash memory cards. It is based on the patented multi-level cell (MLC) technology pioneered by SanDisk that allows two bits of data to be stored in one memory cell, doubling memory capacity. The commercialization of NAND MLC flash is a critical step to expand existing markets and enable new markets for flash memory data storage.
SanDisk's web site address: http://www.sandisk.com