The Many Flavors of NAND and More to Come

Transcription

1 The Many Flavors of NAND and More to Come Brian Shirley VP Micron Memory Product Group 1

2 NAND Market Growth Drivers

3 Top 10 Applications by Units Shipped 4000 # of Units per Application 3500 Millions of Units , ,422 1, Mobile Handset (Embedded Flash) Removable Flash Storage Cards USB Flash Drive LCD TV Digital Set top Box MP3 players/pmp (Flash based) Digital Still Camera (Embedded Flash) Video Game Console SSD (Solid State Disk) Handheld Games Source: isuppli

4 Top 10 Applications by Gigabytes Flash size (GB / Application) SSD (Solid State Disk) 600 MP3 players/pmp (Flash based) Video Camcorders (Flash embedded) USB Flash Drive GB per Application 400 PC (NAND embedded) Removable Flash Storage Cards HDD (Hybrid HDD) Personal Navigation Devices (Flash embedded) Mobile Handset (Embedded Flash) Digital Picture Frames Source: isuppli

5 Top 10 Applications by Revenue Flash Revenue by Application $20 $18 SSD (Solid State Disk) $16 $6.7 Removable Flash Storage Cards Revenue Billions of $ $14 $12 $10 $8 $6 $0.1 $2.8 $1.6 $0.8 $3.4 $2.0 $2.3 $3.9 $2.3 $5.4 $3.1 $4.1 $4.6 $5.1 $2.2 $2.5 $3.1 USB Flash Drive MP3 players/pmp (Flash based) Mobile Handset (Embedded Flash) PC (NAND embedded) Personal Navigation Devices (Flash embedded) Video Camcorders (Flash embedded) $4 $2 $0 $4.1 $3.9 $3.3 $2.9 $2.5 $1.9 $0.9 $1.3 $1.6 $1.8 $1.8 $ HDD (Hybrid HDD) Digital Picture Frames Source: isuppli

6 Matching NAND to the Application

7 NAND Market Requirements

8 NAND Application Requirements Mobile & Consumer Electronics Small Form Factor Low Power Notebook (SSDs & Embedded) Enterprise Storage High Density Low Power High Endurance High Performance Quality & Reliability NAND management is increasingly critical to all

9 NAND Technologies SLC NAND Population Vt SLC Target apps: Enterprise storage & code storage Features: High-Performance, High- Endurance 2-bit/cell NAND Population MLC-2 Vt 3-bit/cell NAND Population MLC-3 Vt Target apps: Notebook SSDs & consumer applications Features: High-Density, Lower-Cost than SLC Target apps: Flash cards & USB drives Features: Highest Density, Lowest Cost

10 NAND Solutions High-Speed NAND Target apps: SSDs, USB 3.0 & Disc Caching Features: ONFI 2.1 synchronous (DDR) interface, reaching speeds of up to 200 MB/s Enterprise NAND Target apps: Servers, Storage & Networking Features: Achieves 10x improvement in endurance compared to standard NAND Managed NAND Target apps: Mobile and Consumer Electronics Features: On-board controller handles NAND management functions Serial NAND Target apps: Lower Density Embedded & Consumer Features: Compatible with SPI interface

11 NAND in the PC CPU DRAM DDR3 Memory & Bus Control PCIe Graphics Link Peripherals Peripheral & Bus Control ONFI 2.1 Hybrid HDD SATA SSD

12 NAND Process Trends

13 NAND Process Technology 90nm Sub-25nm 72nm 50nm 34nm 2Xnm NAND Flash Cross-Sections

14 A Look at NAND Scaling How long can floating gate tread water?

15 NAND Scaling: Approaching Atomic Dimensions NAND production state of the art is ~34nm 2Xnm NAND development in progress Scanning tunneling microscope image of a silicon surface showing 10nm is ~20 atoms across

16 NAND Technology Transition Floating Gate Charge Trap Memory

17 Emerging Non-Volatile Memory Technologies What are we going to call this conference in 5 years?

18 Near-Term NAND Solution: 3D Cell 3D techniques already developed in DRAM Epitaxial TFT NAND Vertical NAND String Polysilicon TFT NAND

19 Emerging Non-Volatile (Non-NAND) Memory Technologies Ferroelectric RAM Magnetic RAM Phase Change RAM Resistive RAM Cross Point Memory

20 Summary NAND Market Continues to be Fueled by Consumer & Computing/SSD Applications Market Diversification: One Size Does Not Fit All NAND Scaling Will Become Increasingly Complex in the Coming Years In Five Years, We Are Still Going to Call this Conference the Flash Memory Summit