Absolute maximum ratings

Maximum ratings are the extreme limits to which the chip can be exposed for a limited amount of time without permanently damaging it. Exposure to absolute maximum ratings for prolonged periods of time may affect the reliability of the device.

Table 1. Absolute maximum ratings
  Min. Max. Unit
Supply voltages
VDD -0.3 +3.9 V
VSS   0 V
I/O pin voltage
VI/O, VDD ≤3.6 V -0.3 VDD + 0.3 V V
VI/O, VDD >3.6 V -0.3 3.9 V V
NFC antenna pin current
INFC1/2   80 mA
RF input level   10 dBm
Environmental QFN48, 6×6 mm package
Storage temperature -40 +125 °C
MSL (moisture sensitivity level) 2  
ESD HBM (human body model) 4 kV
ESD CDM (charged device model) 1000 V
Environmental WLCSP, 3.0×3.2 mm package
Storage temperature -40 +125 °C
MSL   1  
ESD HBM   2 kV
ESD CDM   500 V
Flash memory
Endurance 10 000 Write/erase cycles
Retention 10 years at 85°C    

Documentation feedback | Developer Zone | Updated 2021-11-08