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bit density

   Also found in: Wikipedia 0.04 sec.

The number of bits that can be stored within a given physical area. See bpi.

A Memory Bit
This is one storage cell in an earlier 16-megabit DRAM memory chip. Although minuscule in overall capacity compared to today's memory, there were 16,777,216 of these cells in the chip, which was only a quarter of an inch square. (Image courtesy of International Business Machines Corporation. Unauthorized use not permitted.)



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For instance a PRML (Partial Response Maximum Likelihood) channel interprets the recorded transitions in a different way by partial amplitude sampling in order to increase the bit density using somewhat lower magnetic transition densities than in straight peak detect channels as illustrated.
This is accomplished by doubling bit density in comparison with such MLC NAND flash, and quadrupling it when compared with single-level cell (SLC) NAND flash.
This process eliminates coating disturbances and orients the particles precisely to allow for maximum bit density and storage capacity.
 
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