PS2251-07 Datasheet PDF – USB 3.0-to-Flash Micro-controller Chip

Part Number : PS2251-07

Function :  Ultra-high-speed USB 3.0-to-Flash micro-controller chip

Package : TQFP64, EP-LQFP 48 Package

Manufacturers : Phison Electronics

Image :

PS2251-07 datasheet usb controller

Description :

Phison PS2251-07, an ultra-high-speed USB-to-Flash micro-controller chip, supports 3X/2X/1X nm flash memory. PS2251-07 is backward compatible with USB 2.0 and USB 1.1.

1. Controllor Highlights
– Support USB 3.1 GEN1 interface
– Backward complies with USB 2.0 & 1.1 host interface specification
– Built-in enhanced of ECC circuit (the BCH)
– Support Super Speed ​​(5Gb / s)
– Support High Speed ​​(480Mb / s), Full Speed ​​(12Mb / s)

2. Characteristics
– Using the Program RAM (firmware update)
– Available in a TQFP64, EP-LQFP 48 package
– Applied voltage: 4.5V ~ 5.5V
– Built-in regulator support the 3.3V/1.8V flash memory I / O interface

3. Support interface
– USB 3.1 GEN1

4. NAND flash memory support
– Support 3X / 2X / 1X NAND flash memory
– Support SLC / MLC / TLC flash memory
– Support the Open NAND Flash Interface 3 (ONFI 3)
– Support of Toggle 2.0 mode DDR flash memory

5. Other Features
– Support Dynamic/ Static Wear-Leveling
– Power Saving implemented
– Supports multiple partitions and hidden mode


Reference site :

PS2251-07 Datasheet

PS2251-33 pdf


Other data sheets within the file : PS2251

PS2251-33 Datasheet PDF – USB 2.0 Flash Controller

Part Number : PS2251-33

Function : USB 2.0 Flash Controller

Package : 48-pins / 64-pins QFP Package

Manufacturers : Phison Electronics

Image :

PS2251-33 datasheet


Description :

PHISON’s PS2251-33 USB-to-Flash micro-controller supports the latest 5Xnm/4Xnm 8K page flash memories and 3 bit-per-cell flash memories. It is the ideal solution to support readyboost feature in Windows Vista. The entire firmware is upgradable thanks to the addition of Programmable RAM, allowing host design flexibility. This chip is specially designed for USB flash disk, USB Disk-On-Module, and embedded applications found in PC motherboard, UMPC, and other portable devices.


Controller Features

1. Support Host Interfaces : USB 2.0 & 1.1 Interface
— Fully compatible with USB Specification Version 2.0 & 1.1
— High speed 480Mbit/second supporting
— Full speed 12Mbit/second supporting
— Support one CONTROL transfer, one INTERRUPT transfer and two BULK transfer

2. Support In-System Programming through USB Port
3. Buffer SRAM : 16 buffers for performance improvement
4. Build-in regulator
5. USB bus-powered capability.
6. Power Saving implemented.


PS2251-33 block diagram


PS2251-33 Datasheet PDF Download

PS2251-33 pdf


Other data sheets within the file : PS2251