Integrated USB 2.0 Compatible 7-Port Hub
Datasheet
Table 7.1 DC Electrical Characteristics (continued)
PARAMETER
Supply Current
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
Total from all supplies
Configured
(Full-Speed Host)
mA
mA
mA
mA
mA
1 Port
IFCC1
IFCC2
IFCC3
IFCC4
IFCC7
175
175
175
175
175
2 Ports
3 Ports
4 Ports
7 Ports
Supply Current
Suspend
ICSBY
225
uA
Total from all supplies.
Notes:
1. Output leakage is measured with the current pins in high impedance.
2. See USB 2.0 Specification for USB DC electrical characteristics.
3. RBIAS is a 3.3V tolerant analog pin.
CAPACITANCE TA = 25°C; fc = 1MHz; VDD33 = 3.3V
LIMITS
PARAMETER
SYMBOL
MIN
TYP MAX UNIT
TEST CONDITION
Clock Input
Capacitance
CIN
12
pF
All pins except USB pins (and pins under
test tied to AC ground)
Input Capacitance
Output Capacitance
CIN
8
pF
pF
COUT
12
Power Sequencing
There are no power supply sequence restrictions for the Hub. The order in which power supplies
power-up and power-down is implementation dependent.
Revision 2.3 (08-27-07)
SMSC USB2507
DATA4S2HEET
SMSC [ SMSC CORPORATION ]
