| Symbol | Description | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| VIH |
Input high voltage |
0.7 x VDD | VDD | V | |
| VIL |
Input low voltage |
VSS | 0.3 x VDD | V | |
| VOH,SD |
Output high voltage, standard drive, 0.5 mA, VDD ≥1.7 |
VDD - 0.4 | VDD | V | |
| VOH,HDH |
Output high voltage, high drive, 5 mA, VDD ≥ 2.7 V |
VDD - 0.4 | VDD | V | |
| VOH,HDL |
Output high voltage, high drive, 3 mA, VDD ≥ 1.7 V |
VDD - 0.4 | VDD | V | |
| VOL,SD |
Output low voltage, standard drive, 0.5 mA, VDD ≥1.7 |
VSS | VSS + 0.4 | V | |
| IOL,SD |
Current at VSS+0.4 V, output set low, standard drive, VDD ≥1.7 |
1 | 3 | 4 | mA |
| IOL,HDL |
Current at VSS+0.4 V, output set low, high drive, VDD >= 1.7 V |
3 | mA | ||
| IOL,ED |
Current at VSS+0.4 V, output set low, extra drive, VDD >= 1.7 V |
16 | mA | ||
| IOH,SD |
Current at VDD-0.4 V, output set high, standard drive, VDD ≥1.7 |
1 | 3 | 4 | mA |
| IOH,HDL |
Current at VDD-0.4 V, output set high, high drive, VDD >= 1.7 V |
4 | mA | ||
| IOH,ED |
Current at VDD-0.4 V, output set high, extra drive, VDD >= 1.7 V |
14 | mA | ||
| IGPIO,TOTAL |
Recommended maximum sustained current drawn by all GPIOs |
15 | mA | ||
| tRF,15pF |
Rise/fall time, standard drive mode, 10-90%, 15 pF load1 |
8 | ns | ||
| tRF,25pF |
Rise/fall time, standard drive mode, 10-90%, 25 pF load1 |
12 | ns | ||
| tRF,50pF |
Rise/fall time, standard drive mode, 10-90%, 50 pF load1 |
21 | ns | ||
| tHRF,12pF |
Rise/Fall time, high drive mode, 20-80%, 12 pF load1 |
4 | ns | ||
| tERF,12pF |
Rise/Fall time, extra drive mode, 20-80%, 12 pF load1 |
0.9 | ns | ||
| RPU |
Pull-up resistance |
12 | 14 | 16 | kΩ |
| RPD |
Pull-down resistance |
12 | 14 | 18 | kΩ |
| tOE,ED |
Output enable delay in extra drive mode |
855 | ns | ||
| CPAD |
Pad capacitance |
1 | pF | ||
| CPAD_NFC |
Pad capacitance on NFC pads |
5 | pF |
1 Rise and fall times based on simulations