CY7C6431x
CY7C64345, CY7C6435x
Table 10.DC Characteristics – USB Interface
Symbol | Description | Conditions | Min | Typ | Max | Units |
Rusbi | USB D+ Pull Up Resistance | With idle bus | 0.900 | - | 1.575 | kΩ |
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Rusba | USB D+ Pull Up Resistance | While receiving traffic | 1.425 | - | 3.090 | kΩ |
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Vohusb | Static Output High |
| 2.8 | - | 3.6 | V |
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Volusb | Static Output Low |
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| - | 0.3 | V |
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Vdi | Differential Input Sensitivity |
| 0.2 | - |
| V |
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Vcm | Differential Input Common Mode Range |
| 0.8 | - | 2.5 | V |
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Vse | Single Ended Receiver Threshold |
| 0.8 | - | 2.0 | V |
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Cin | Transceiver Capacitance |
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| - | 50 | pF |
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Iio | High Z State Data Line Leakage | On D+ or D- line | - | +10 | μA | |
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Rps2 | PS/2 Pull Up Resistance |
| 3 | 5 | 7 | kΩ |
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Rext | External USB Series Resistor | In series with each USB pin | 21.76 | 24.0 | 24.24 | Ω |
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DC General Purpose IO Specifications
Table 11 lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 3.0V to 5.5V and 0°C ≤ TA
≤70°C. Typical parameters apply to 5V and 3.3V at 25°C. These are for design guidance only.
Table 11. 3.0V and 5.5V DC GPIO Specifications
Symbol | Description | Conditions | Min | Typ | Max | Units |
RPU | Pull Up Resistor |
| 4 | 5.6 | 8 | kΩ |
VOH1 | High Output Voltage | IOH < 10 µA, Vdd > 3.0V, maximum of 10 mA | Vdd - 0.2 | – | – | V |
| Port 0, 2, or 3 Pins | source current in all I/Os. |
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VOH2 | High Output Voltage | IOH = 1 mA Vdd > 3.0, maximum of 20 mA | Vdd - 0.9 | – | – | V |
| Port 0, 2, or 3 Pins | source current in all I/Os. |
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VOH3 | High Output Voltage | IOH < 10 µA, Vdd > 3.0V, maximum of 10 mA | Vdd - 0.2 | – | – | V |
| Port 1 Pins with LDO Regulator | source current in all I/Os. |
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| Disabled |
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VOH4 | High Output Voltage | IOH = 5 mA, Vdd > 3.0V, maximum of 20 mA | Vdd - 0.9 | – | – | V |
| Port 1 Pins with LDO Regulator | source current in all I/Os. |
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| Disabled |
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VOH5 | High Output Voltage | IOH < 10 μA, Vdd > 3.1V, maximum of 4 I/Os | 2.85 | 3.00 | 3.3 | V |
| Port 1 Pins with LDO Regulator | all sourcing 5 mA |
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| Enabled for 3V Out |
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VOH6 | High Output Voltage | IOH = 5 mA, Vdd > 3.1V, maximum of 20 mA | 2.20 | – | – | V |
| Port 1 Pins with LDO Regulator | source current in all I/Os |
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| Enabled for 3V Out |
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VOH7 | High Output Voltage | IOH < 10 μA, Vdd > 3.0V, maximum of 20 mA | 2.35 | 2.50 | 2.75 | V |
| Port 1 Pins with LDO Enabled for | source current in all I/Os |
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| 2.5V Out |
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VOH8 | High Output Voltage | IOH = 2 mA, Vdd > 3.0V, maximum of 20 mA | 1.90 | – | – | V |
| Port 1 Pins with LDO Enabled for | source current in all I/Os |
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| 2.5V Out |
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VOH9 | High Output Voltage | IOH < 10 μA, Vdd > 3.0V, maximum of 20 mA | 1.60 | 1.80 | 2.1 | V |
| Port 1 Pins with LDO Enabled for | source current in all I/Os |
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| 1.8V Out |
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VOH10 | High Output Voltage | IOH = 1 mA, Vdd > 3.0V, maximum of 20 mA | 1.20 | – | – | V |
| Port 1 Pins with LDO Enabled for | source current in all I/Os |
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| 1.8V Out |
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Document Number: | Page 16 of 28 |
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