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DC Operating Conditions

ParameterSymbolMin. ValueNom. ValueMax. ValueUnit
Supply VoltageVSUP+2.80+5.00+5.50V
Operating VoltageVOP+2.80+3.30+3.60V
Output VoltageV3V3+3.30V
Output Voltage*V5V+5.00V
Operating TemperatureTOP-40+125°C
*Note: The output voltage on the 5V pin is equal to the voltage of the power supply feeding the product through the USB connector.

Input/Output Pin Characteristics

ParameterSymbolMin. ValueNom. ValueMax. ValueUnit
Pin CapacitanceCIN2pF
Logic “1” Level Input VoltageVIH0.75 × VDD*VDD* + 0.3V
Logic “0” Level Input VoltageVIL-0.30.25 × VDD*V
Logic “1” Level Input CurrentIIH50nA
Logic “0” Level Input CurrentIIL50nA
Logic “1” Level Output VoltageVOH0.8 × VDD*V
Logic “0” Level Output VoltageVOL0.1 × VDD*V
Logic “1” Level Output CurrentIOH40mA
Logic “0” Level Output CurrentIOL28mA
Internal Pull-Up ResistorRPU45kΩ
Internal Pull-Down ResistorRPD45kΩ
Processor Enable Input (Logic “1”)VIH_nRST0.75 × VDD*VDD* + 0.3V
Processor Enable Input (Logic “0”)VIL_nRST-0.30.25 × VDD*V
  • *VDD = 3.3 V