4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs & HS Hub
Datasheet
Revision 1.6 (06-20-08)
22
SMSC USB2601/USB2602
DATASHEET
7.2
Operating Conditions
Figure 7.1 Supply Rise Time Model
Note 7.3
When powering the device, the maximum power supply ramp time should be set at a rate
faster than 400 micro seconds. This speed is important to ensure that the device resets
properly. Measure rise time at 10% and 90%.
7.3
DC Electrical Characteristics
PARAMETER
SYMBOL
MIN
MAX
UNITS
COMMENTS
Operating Temperature
T
A
0
70
°C
*Ambient temperature in still air.
1.8V supply voltage
V
DD18,
V
DD18PLL
1.62
1.98
V
3.3V supply voltage
V
DD33,
V
DDA33
3.0
3.6
V
3.3V supply rise time
t
RT
0
400
μ
s
(See Figure 7.1, "Supply Rise Time
Model")
Voltage on XTAL1
-0.3
V
DDA33
V
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
I,IPU & IPD Type Input Buffer
Low Input Level
High Input Level
Pull Down
Pull Up
V
ILI
V
IHI
PD
PU
2.0
72
58
0.8
V
V
μ
A
μ
A
TTL Levels
t
10%
10%
90%
Voltage
t
RT
t
90%
Time
100%
3.3V
VSS
VDD33
