Usb flash drive – PQI Traveling Disk i161 User Manual
Page 6
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