M-systems-flash-disk-pioneers Flash Memory Manuel d'utilisateur Page 1

White Paper Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory Written by: Raz Dan and Rochelle Singer JANUARY 2003 91-SR-014-02-

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 10 Enhanced EDC and ECC The Error Detection Code (EDC) and Err

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 11 Efficient Bad Block Handling x2 technology handles bad bloc

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 12 MultiBurst To improve MLC read performance rates, x2 techno

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 13 Parallel Multiplane Access As discussed earlier, the MLC f

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 14 How to Contact Us Website: http://www.m-sys.com General In

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 2 Introduction Multi-Level Cell (MLC) technology greatly reduc

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 3 of NOR flash and achieving barely adequate reliability, but

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 4 e-OxideFloatingGateSelect GateSource DrainSubstrateProgram(I

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 5 MLC Benefits and Limitations MLC high-density design innovat

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 6 Read Disturb Errors The read disturb effect causes a page re

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 7 Sustained Read When comparing sustained read performance val

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 8 Overcoming MLC Limitations Because MLC technology can poten

Implementing MLC NAND Flash for Cost-Effective, High-Capacity Memory 91-SR-014-02-8L 9 Table 1 maps the various features of x2 technology against t