Integrated USB 2.0 Compatible
Datasheet
Table 8.1 DC Electrical Characteristics (continued)
| PARAMETER | SYMBOL | MIN | TYP | MAX | UNITS | COMMENTS |
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Supply Current |
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| Total from all supplies | |
Configured |
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1 | Port |
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| mA |
|
IFCC1 |
| 150 |
| mA |
| ||
2 | Ports | IFCC2 |
| 155 |
| mA |
|
3 | Ports | IFCC3 |
| 160 |
| mA |
|
4 | Ports | IFCC4 |
| 165 |
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| |
Supply Current | ICSBY |
| 265 |
| uA | Total from all supplies. | |
Suspend |
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Supply Current | IRST |
| 150 |
| uA | Total from all supplies. | |
Reset |
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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
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| LIMITS |
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PARAMETER | SYMBOL | MIN | TYP | MAX | UNIT | TEST CONDITION |
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Clock Input | CIN |
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| 12 | pF | All pins except USB pins (and pins under |
Capacitance |
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| test tied to AC ground) |
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Input Capacitance | CIN |
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| 8 | pF |
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Output Capacitance | COUT |
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| 12 | pF |
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Power Sequencing
There are no power supply sequence restrictions for the Hub. The order in which power supplies
Revision 2.3 | 44 | SMSC USB2504/USB2504A |
| DATASHEET |
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