Part Number: SM3257

Function: USB2.0 Flash Memory Controller

Package: QFN-40 Pin Type

Manufacturer: Silicon Motion

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Description

The Device is the latest USB Flash Disk controller with highly compatibility, and best performance intended for supporting Single-Channel MLC and TLC NAND type Flash memory in one chip. Based on 0.152um fabricated technology and low power consumption consideration, SM3257 complies with USB power specification ver.2.0 for bus-powered devices. For USB2.0 Flash Disk application, SM3257 supports high capacity up to 4 data Flash banks, “Write Protect” function, PC boot-up from USB2.0 Flash Disk, Password protection, and Secured Partitioning functions.

This controller also delivers extremely high data transfer rate and correct data through reliable 13/24/40-bit ECC engine for the coverage of the MLC/TLC flash read/write disturbance. By integrating 5V to 3.3V regulator and Power-on-Rest components, it will help customers to save overall cost. SM3257 is available with 48pins LQFP package, 48pins TQFP package and 40pins QFN package with a manufacturing-ready turnkey solution now.

Pinout

Applications

1. USB Flash Drive
2. USB Solid State Disk
3. Embedded Application
4. High-Speed NAND Storage

Reference Site: http://www.usbdev.ru/

Other data sheets are available within the file: SM3257EN-QX

SM3257 Datasheet

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