USB2524 SMSC Corporation, USB2524 Datasheet - Page 55

• Manufacturer Part Number: USB2524
• Description: USB MultiSwitch Hub
• Manufacturer: SMSC Corporation

USB MultiSwitch
Datasheet
SMSC USB2524
Supply Current
Configured
(2 upstream Full-Speed
Hosts)
1 Port
2 Ports
3 Ports
4 Ports
Supply Current
Suspend
Supply Current
Reset
Clock Input
Capacitance
Input Capacitance
Output Capacitance
PARAMETER
PARAMETER
Note 11.1 Output leakage is measured with the current pins in high impedance.
Note 11.2 See USB2.0 Specification for USB DC electrical characteristics.
Note 11.3 RBIAS is a 3.3V tolerant analog pin.
CAPACITANCE T
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.
TM
Hub
SYMBOL
Table 11.1 DC Electrical Characteristics (continued)
C
C
C
OUT
SYMBOL
IN
IN
A
I
I
I
I
I
I
FCC1
FCC2
FCC3
FCC4
CSBY
CRST
= 25°C; fc = 1MHz; V
MIN
MIN
LIMITS
DATASHEET
TYP
TYP
182
182
182
182
272
73
55
MAX
12
12
8
DDIO
MAX
UNIT
pF
pF
pF
= 3.3V
UNITS
All pins except USB pins (and pins under
test tied to AC ground)
mA
mA
mA
mA
μA
μA
Total from all supplies
Total from all supplies.
Total from all supplies.
TEST CONDITION
COMMENTS
Revision 1.2 (07-17-06)