USB MultiSwitchTM Hub
Datasheet
Table 11.1 DC Electrical Characteristics (continued)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
COMMENTS
Supply Current
Configured
(2 upstream Full-Speed
Hosts)
Total from all supplies
1 Port
IFCC1
IFCC2
IFCC3
IFCC4
182
182
182
182
mA
mA
mA
mA
2 Ports
3 Ports
4 Ports
Supply Current
Suspend
ICSBY
272
μA
μA
Total from all supplies.
Total from all supplies.
Supply Current
Reset
ICRST
73
Note 11.1 Output leakage is measured with the current pins in high impedance.
Note 11.2 See USB 2.0 Specification for USB DC electrical characteristics.
Note 11.3 RBIAS is a 3.3V tolerant analog pin.
CAPACITANCE T = 25°C; fc = 1MHz; V
= 3.3V
DDIO
A
LIMITS
PARAMETER
SYMBOL
MIN
TYP MAX UNIT
TEST CONDITION
Clock Input
Capacitance
CIN
2
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.
SMSC USB2524
Revision 1.91 (08-22-07)
DATA5S5HEET
SMSC [ SMSC CORPORATION ]
