PQI Traveling Disk U250 Manuale utente
USB Flash Drive
Rev. A.0 Sep 2006
Traveling Disk U250
BB44 Series
USB Flash Drive
Rev. A.0 Sep 2006
Table of Contents
1. Introduction to Traveling Disk ………....................................................................................... 1
2. Main Features Overview …………..……….....................……...……………………………..…… 1
3. Hardware Specification ………………………………………..….………….……………………… 1
3.1 USB Interface ……………………………………………….…….........……………………………… 1
3.2 NAND Flash Interface ……………………………………………..…...........……...…………………. 1
3.3 OS Support ………………………………………………………….……....………………………… 1
3.4 Product Capacity ……………………………………..……………………..........…..………………. 1
4. Block Diagram ........................................................................................................................... 2
5. Absolute Maximum Ratings ..................................................................................................... 2
6. DC Characteristics .................................................................................................................... 3
7. Recommended Operating Conditions ..................................................................................... 3
8. Pin Assignments ....................................................................................................................... 3
9. Physical Specifications ............................................................................................................. 4
USB Flash Drive
Rev. A.0 Sep 2006
Revision History
Revision Date History Remark
A.0 09/11 ‘06 New Creation
Important!! Please make sure the driver matches the part number on your pen drive before you download.
Software AP System Requirements. One of following operation systems: Windows 98/98SE/Windows ME/Windows 2000/Windows XP
The advertised memory capacity of this device represents unformatted capacity. Please note that once formatted and due to variations in flash
module block limitations, the functional storage space will be lower than the advertised capacity.
“PQI reserves the right to make changes without notification when fit, form, function, quality and reliability are not affected. The data sheets do
not constitute contract documents and should not be considered part of the specification for purposes of any warranty.”
USB Flash Drive
Rev. A.0 1/4 Sep 2006
1. Introduction to U250
The U250 gives you portability and security to offer you a peace of mind. Compatible with USB 2.0 / 1.1 specifications
with low power consumption and data protection.
2. Main Features Overview
♦Mobile USB flash drive, USB 2.0 compatible
♦Hot swappable, USB Plug & Play compatible
♦LED indicator with three modes: Busy, waiting, and off
♦Multimedia and data storage
♦The Disk Safe software is bundled with this product for password protection
3. Product Specification
USB Interface High-speed USB 2.0 interface; backward compatible with USB 1.1
NAND Flash Interface Integrated ECC circuits for 4-bit error correction
OS Support No drive is required for Windows ME, 2000,XP or Mac OS 9.x
Environment
Operating 0℃to 65℃
Temperature
Non-Operating -20℃to 75℃
Operating 0.2G
Vibration
Non-Operating 15G
Operating 150G
Shock resistant
Non-Operating 1000G
Configuration
Capacity 128MBytes ~ 2GBytes
Reliability
MTBF(@25℃) 1,000,000 hours
Power Requirement
Voltage DC 3.3/5V ± 10%
Power Consumption
Read <100mA
Write <120mA
Standby <100mA
Un-configuration <100mA
Suspend <1.5mA
USB Flash Drive
Rev. A.0 2/4 Sep 2006
4. Block Diagram
5. Absolute Maximum Ratings
Symbol Parameter Min Max Unit
Tstorage Storage Temperature -20 75 ℃
Ta Ambient Operating Temperature 0 65 ℃
Vcc3 3.3V Supply Voltage -0.3 3.6 V
Vcc18 1.8V Supply Voltage -0.3 2 V
Vin3.3 3.3V Buffer Input Voltage -0.3 3.6 V
Vin3/5 3.3V/5V Buffer Input Voltage -0.3 5 V
Vin1.8 1.8V Buffer Input Voltage -0.3 2 V
8051 Micro
Controller
Data /
Address
Bus
USB 2.0
Interface
USB2.0
USB1.1
Host
PLL, REG
Program ROM
Program RAM
DMA Flash
Control
Logic
EDC/
ECC
DATA RAM
CLK
PWR_GOOD
PWR_RST
Flash
Memory
USB2.0 or
1.1 Port
USB Flash Drive
Rev. A.0 3/4 Sep 2006
6. DC Characteristics
Symbol Parameter Min. Typical Max. Units
VDD Supply voltage for VCC3 or VCC3A 3.0 3.3 3.6 V
VDD18
Regulator output voltage for VCC or
VCCA
1.62 1.8 1.98 V
VIL Input Low Voltage -0.5 0.8 V
VIH Input High Voltage 2.0 V
VOL Output Low Voltage (IOL=4mA) 0.4 V
VOH Output High Voltage (IOH=4mA) 2.4 V
CIN Input pin capacitance 10
pF
IDD Supply current 50 mA
ISUS Suspend current (D+1.5KΩ) 300 uA
7. Recommended Operating Conditions
Symbol Parameter Min. Typical Max. Units
VCC33 Power Supply Voltage 3.0 3.3 3.3 V
VIN Input Voltage 0 Vcc Vcc + 0.3 V
VCC25 Internal Power Support 2.25 2.50 2.75 V
8. Pin Assignments
Pin No. Pin Name Function
1 VCC USB power input
2 USB D- USB differential signal
3 USB D+ The pairs are used to transmit Data/Address/Command
4 VSS Ground
Pin 1
Pin 2 Pin 3
Pin 4
USB Flash Drive
Rev. A.0 4/4 Sep 2006
9. Physical Specifications
9.1 Dimensions:
9.1.1 Height: 57.0mm
9.1.2 Width: 22.0mm
9.1.3 Depth: 13.0mm
9.1.4 Weight: 9.4g ± 1g
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