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Usb flash drive – PQI Traveling Disk i161 User Manual

Page 6

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USB Flash Drive

Rev. A.0

3/4 April 2008

1

2

3

4

6. DC Characteristics



7. Recommended Operating Conditions



8. Pin Assignments

Symbol

Parameter

Min.

Typical

Max.

Units

V

DD

Supply voltage for VCC3 or VCC3A

3.0 3.3 3.6 V

V

DD18

Regulator output voltage for VCC or

VCCA

1.62 1.8 1.98 V

V

IL

Input Low Voltage

-0.5 0.8

V

V

IH

Input High Voltage

2.0 V

V

OL

Output Low Voltage (IOL=4mA)

0.4

V

V

OH

Output High Voltage (IOH=4mA)

2.4 V

C

IN

Input pin capacitance

10

pF

I

DD

Supply

current

50

mA

I

SUS

Suspend current (D+1.5KΩ)

300

uA

Symbol

Parameter

Min.

Typ.

Max.

Units

V

CC33

3.3V Supply Voltage

3.0

3.3

3.6

V

USBV

IN

USB 5V Supply Voltage

4.5

5

5.5

V

V

CC18

1.8V

Supply

Voltage

1.6

1.8

2

V

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