Fractional-Bit Systems

Details Fractional-Bit Systems Fractional-Bit Systems

2006-07-04

2006-07-04

Young, Brian (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from multi-level codes

C341S106000

Reexamination Certificate

active

07071849

ABSTRACT:
The present invention abandons the conventional approach of incrementing bits-per-cell b by 1, but allows increments of states-per-cell N by as little as 1 between product generations. Because N is no longer an integral power of 2, b takes a fractional value, resulting in a fractional-bit system. In a fractional-bit system, cells are decoded in unit of word. By adjusting the word-width, the system efficiency can be optimized.

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Micheloni et al. “The Flash Memory Read Path: Building Blocks and Critical Aspects”,Proceedings of the IEEE, pp. 537-551, Apr. 2003.

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