PQI Computer Drive U220 User Manual

USB Flash Drive  
Mr. Flash U220  
BB28 Series  
Rev. A.0  
Sep 2006  
 
USB Flash Drive  
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.”  
Rev. A.0  
Sep 2006  
 
USB Flash Drive  
1. Introduction to U220  
The U220 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  
Support software for password protection, formatting & partitioning (Not Included)  
3. Product Specification  
USB Interface  
High-speed USB 2.0 interface; backward compatible with USB 1.1  
Integrated ECC circuits for 4-bit error correction  
NAND Flash Interface  
OS Support  
No drive is required for Windows ME, 2000,XP or Mac OS 9.x  
Environment  
Operating  
0to 65℃  
-20to 75℃  
0.2G  
Temperature  
Vibration  
Non-Operating  
Operating  
Non-Operating  
Operating  
15G  
150G  
Shock resistant  
Non-Operating  
1000G  
Configuration  
Capacity  
128MBytes ~ 2GBytes  
1,000,000 hours  
Reliability  
MTBF(@25)  
Power Requirement  
Voltage  
DC 3.3/5V ± 10%  
Power Consumption  
Read  
<100mA  
<120mA  
<100mA  
<100mA  
<1.5mA  
Write  
Standby  
Un-configuration  
Suspend  
Rev. A.0  
1/4  
Sep 2006  
 
USB Flash Drive  
4. Block Diagram  
Program ROM  
Program RAM  
8051 Micro  
Controller  
Flash  
Control  
Logic  
Flash  
DMA  
Memory  
Data /  
Address  
Bus  
EDC/  
ECC  
USB2.0  
USB 2.0  
USB1.1  
USB2.0 or  
1.1 Port  
DATA RAM  
Interface  
Host  
CLK  
PWR_GOOD  
PWR_RST  
PLL, REG  
5. Absolute Maximum Ratings  
Symbol  
Tstorage  
Ta  
Parameter  
Min  
-20  
0
Max  
75  
65  
3.6  
2
Unit  
V
Storage Temperature  
Ambient Operating Temperature  
3.3V Supply Voltage  
Vcc3  
-0.3  
-0.3  
-0.3  
-0.3  
-0.3  
Vcc18  
Vin3.3  
Vin3/5  
Vin1.8  
1.8V Supply Voltage  
V
3.3V Buffer Input Voltage  
3.3V/5V Buffer Input Voltage  
1.8V Buffer Input Voltage  
3.6  
5
V
V
2
V
Rev. A.0  
2/4  
Sep 2006  
 
USB Flash Drive  
6. DC Characteristics  
Symbol  
Parameter  
Min.  
Typical  
Max.  
Units  
VDD  
Supply voltage for VCC3 or VCC3A  
Regulator output voltage for VCC or  
VCCA  
V
3.0  
3.3  
3.6  
VDD18  
1.62  
1.8  
1.98  
0.8  
V
VIL  
VIH  
Input Low Voltage  
-0.5  
2.0  
V
V
Input High Voltage  
VOL  
VOH  
CIN  
IDD  
Output Low Voltage (IOL=4mA)  
Output High Voltage (IOH=4mA)  
Input pin capacitance  
0.4  
10  
V
2.4  
V
pF  
mA  
uA  
Supply current  
50  
ISUS  
Suspend current (D+1.5K)  
300  
7. Recommended Operating Conditions  
Symbol  
VCC33  
VIN  
Parameter  
Min.  
3.0  
Typical  
3.3  
Max.  
3.3  
Units  
Power Supply Voltage  
V
V
V
Input Voltage  
0
Vcc  
Vcc + 0.3  
2.75  
VCC25  
Internal Power Support  
2.25  
2.50  
8. Pin Assignments  
Pin No.  
Pin Name  
VCC  
Function  
1
2
3
4
USB power input  
USB D-  
USB D+  
VSS  
USB differential signal  
The pairs are used to transmit Data/Address/Command  
Ground  
Pin 2  
Pin 1  
Pin 3  
Pin 4  
Rev. A.0  
3/4  
Sep 2006  
 
USB Flash Drive  
9. Physical Specifications  
9.1 Dimensions:  
9.1.1 Height:  
9.1.2 Width:  
9.1.3 Depth:  
66.9mm  
21.7mm  
11.0mm  
9.1.4 Weight: 9.3g ± 1g  
9.2 Outline of top view  
Rev. A.0  
4/4  
Sep 2006  
 

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