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CHAPTER 4
Fundamentals of Flash Memory and
Other Solid State Memory Technologies
Objectives in This Chapter
• Review the history of fl ash memory technology.
• Describe the basic fl ash operations of erase, write, and read.
• Explore the causes and operation of fl ash memory cell wear.
• Present the differences between NOR and NAND fl ash memory technologies.
• Understand bit errors in fl ash memory.
• Find out how to reduce the negative effects of fl ash cell wear with wear
leveling.
• Discover the basics of bad block management on fl ash memory.
• Review embedded versus removable fl ash memory technology.
• Learn how fl ash fi le systems ...