Overview

Silicon Motion's high-performance USB flash drive controllers enable OEMs to achieve high levels of compatibility with host devices and the flexibility to use the vast majority of 3D TLC and QLC NAND flash memory components from all NAND vendors. For USB2.0/3.0 flash drive applications, our controllers support high memory capacity, Write Protection, PC Boot-up, Password Protection, and Secure Partitioning. Our controllers deliver high data transfer rates, integrate a highly reliable hardware ECC (error correction code) engine, and maximize product endurance with the use of our proprietary advanced wear-leveling algorithm.
 

Features

  • High performance flash memory controller with 1CH/2CH flash interface 
  • Supports In-System-Programming capability, which resolves compatibility issues without chip replacement
  • Flexible flash memory configuration
  • 8bit flash interface
  • Enhanced ESD design
  • Advanced ECC engine
  • Voltage detection circuitry

Selection Guide

File Product Host Standards Flash Interface ECC Support Flash VCCQ Support Package Other Features
SM3282 USB 3.2 Gen 1 2-CH Configurable BCH ECC 1.8V/1.2V QFN68 •Compatible with Windows 10/Windows 8/
Windows 7, Mac OS 10.x and Linux kernel v2.4
•Single chip for Type A/Type C dual connector application
SM3281 USB 3.2 Gen 1 1-CH / 8CE Configurable BCH ECC 3.3V / 1.8V or
1.8V / 1.2V
Die
QFN68
QFN48
•Read: up to 200MB/s
•Single chip for Type A/Type C dual connector application
•Lower grade flash
SM3280 USB 3.2 Gen 1 2-CH/ 8CE Configurable BCH ECC 3.3V / 1.8V or
1.8V / 1.2V
QFN68 •Read: up to 350MB/s
•Single chip for Type A/Type C dual connector application
SM3271 USB 2.0 1-CH Configurable BCH ECC 3.3V / 1.8V or
1.8V / 1.2V
Die
QFN32
QFN40
QFP48
•Lower grade flash