
Datasheet
Table 6.4 - DC Electrical Characteristics: Analog I/O Pins (DP/DM)
(VDD1.8 =1.74 to 2.0V; VDD3.3 =3.0 to 3.6V; VSS = 0V; TA = 0 oC to +70oC; unless otherwise specified.)
PARAMETER | SYMBOL | CONDITIONS | MIN | TYP | MAX | UNITS |
FS FUNCTIONALITY |
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Input levels |
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Differential Receiver Input | VDIFS | VI(DP) - VI(DM) | 0.2 |
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| V |
Sensitivity |
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Differential Receiver | VCMFS |
| 0.8 |
| 2.5 | V |
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VILSE |
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| 0.8 | V | |
Level Input Voltage |
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VIHSE |
| 2.0 |
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| V | |
Level Input Voltage |
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Output Levels |
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Low Level Output Voltage | VFSOL |
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| 0.3 | V | |
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| RL = 1.5kΩ to VDD3.3 |
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High Level Output Voltage | VFSOH | 2.8 |
| 3.6 | V | |
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| RL = 15kΩ to GND |
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Termination |
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Driver Output Impedance for | ZHSDRV | Steady state drive | 40.5 | 45 | 49.5 | Ω |
HS and FS |
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ZPU |
| 1.425 |
| 1.575 | KΩ | |
Termination Voltage For | VTERM |
| 3.0 |
| 3.6 | V |
Resistor On Pin DP |
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HS FUNCTIONALITY |
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Input levels |
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HS Differential Input Sensitivity | VDIHS | VI(DP) - VI(DM) | 100 |
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| mV |
HS Data Signaling Common | VCMHS |
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| 500 | mV | |
Mode Voltage Range |
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HS Squelch Detection |
| Squelch Threshold |
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| 100 | mV |
Threshold (Differential) | VHSSQ | Unsquelch Threshold | 150 |
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| mV |
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Output Levels |
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High Speed Low Level | VHSOL | When driven into a precision 45Ω |
| 10 | mV | |
Output Voltage (DP/DM |
| load |
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referenced to GND) |
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High Speed High Level | VHSOH | When driven into a precision 45Ω | 360 |
| 440 | mV |
Output Voltage (DP/DM |
| load |
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referenced to GND) |
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High Speed IDLE Level | VOLHS | When driven into a precision 45Ω |
| 10 | mV | |
Output Voltage (DP/DM |
| load |
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referenced to GND) |
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VCHIRPJ | HS termination resistor disabled, | 700 |
| 1100 | mV | |
(Differential) |
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VCHIRPK | HS termination resistor disabled, |
| mV | |||
(Differential) |
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Leakage Current |
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ILZ |
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| ± 1 | uA | |
Port Capacitance |
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Transceiver Input Capacitance | CIN | Pin to GND |
| 5 | 10 | pF |
6.1Dynamic Characteristics: Analog I/O Pins (DP/DM)
Compliant with USB 2.0 Specification. For complete specifications consult the Universal Serial Bus Specification Revision 2.0.
SMSC USB20H04 | Page 15 | Revision 1.63 |
DATASHEET