7.4 I/O Pin Characteristics
I/O Pin Characteristics (TA = [-40, 105]°C, VDD = [1.8, 5.5]V Unless Otherwise Stated)
| Symbol | Description | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| VIL | Input low-voltage, except RESET pin as I/O | -0.2 | - | 0.3 × VDD | V | |
| VIH | Input high-voltage, except RESET pin as I/O | 0.7 × VDD | - | VDD + 0.2V | V | |
| IIH/IIL | I/O pin input leakage current, except RESET pin as I/O | VDD = 5V, pin high | - | < 0.05 | - | μA |
| VVDD = 5V, pin low | - | < 0.05 | - | μA | ||
| VOL | I/O pin drive strength | VVDD = 3.0V, IOL = 7.5 mA | - | - | 0.6 | V |
| VDD = 5.0V, IOL = 15 mA | - | - | 1 | V | ||
| VOH | I/O pin drive strength | VDD = 3.0V, IOH = 7.5 mA | 2.4 | - | - | V |
| VDD = 5.0V, IOH = 15 mA | 4 | - | - | V |