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TLC MLC and SLC Devices

TLC MLC and SLC Devices

The Foundation of NAND Cell Structure

Our customers order NAND based on features and application requirements—not cell density—so why spend any time explaining the differences among SLC, MLC, and TLC? Because understanding the basics of NAND technology provides valuable insights, such as:
  • Why certain types of NAND perform the way they do
  • How structure affects performance and price
  • Why an aggressive shrink roadmap is paramount to maintaining NAND industry leadership
Watch the video below to learn how cell density affects performance and features, or check out the chart further down the page to see which type of NAND is right for your application.

SLC, MLC, TLC – What’s the Difference?

In this 4-minute, whiteboard video, Director of NAND Strategic Marketing, Kevin Kilbuck, provides a brief description of the technical differences among SLC, MLC, and TLC. He'll also discuss:
  • Our new 25nm 64Gb TLC NAND and its applications
  • How the cell bit count controls the relationship between die size and density
  • Why cell density affects performance and reliability


Which NAND Should I Choose?

SLC, MLC, and TLC delivery inherently different performance, endurance, price, and footprint characteristics, so you should make a careful analysis to determine which is right for your design. The table below provides a simple look at which technologies are typically used in common applications.

Technology Cards /
SSD Media
Single-Level Cell (SLC) X X X X X X
Multi-Level Cell (MLC) X X X X X X X
Triple-Level Cell (TLC) X X X
Serial NAND (SLC) X X
Enterprise NAND - SLC X X
Enterprise NAND - MLC X X
e•MMC™ X X X X

For more information, download the NAND Solutions flyer

Designing in NAND Flash – Webinar

This webinar is intended for engineers who want to learn more about the architectures, features, and performance aspects of NAND Flash memory. Micron’s Jim Cooke provides an in-depth look at the device technology and challenges associated with MLC NAND Flash, along with comparisons and decision-making criteria for designing with SLC versus MLC NAND Flash. He also discusses several factors that can affect the reliability of your NAND solution and how to best alleviate them.

What you'll learn:

  • The key architectural, feature, and performance differences between MLC and SLC NAND Flash
  • How ECC fixes design complexities
  • Endurance recommendations and methods for reducing program disturb
  • Benefits of embedded MMC (e•MMC™) and why it's the next logical step for embedded applications

Download Webinar