M-Systems Flash Disk Pioneers Flash Memory manual January, Written by Raz Dan and Rochelle Singer

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-014-02-8L, REV 1.0

Image 1

Contents Written by Raz Dan and Rochelle Singer JanuaryBackground IntroductionBasic Flash Technology Comparing Binary and MLC Flash TechnologiesBasic Flash Cell Binary and MLC TechnologiesProgram Disturb Errors Long-Term Data ErrorsMLC Benefits and Limitations Data ReliabilityPerformance Read Disturb ErrorsSustained Read Flash ManagementSustained Write Overcoming MLC Limitations Robust Flash Management Enhanced EDC and ECC Efficient Bad Block Handling Unaligned Multiplane Bad Block AccessDMA Support MultiBurstParallel Multiplane Access Power ConsumptionSummary Techsupport@m -sys.com How to Contact Us