Data Sheet

Page 37
nRF51822 Product Specification v3.1
6 Absolute maximum ratings
Maximum ratings are the extreme limits the chip can be exposed to without causing permanent damage.
Exposure to absolute maximum ratings for prolonged periods of time may affect the reliability of the chip.
Ta bl e 19 specifies the absolute maximum ratings.
Table 19 Absolute maximum ratings
Symbol Parameter Min. Max. Unit
Supply voltages
VDD -0.3 +3.9 V
DEC2 2V
VSS 0 V
I/O pin voltage
VIO -0.3 VDD + 0.3 V
Environmental QFN48 package
Storage temperature -40 +125 °C
MSL Moisture Sensitivity Level 2
ESD HBM Human Body Model 4 kV
ESD CDM Charged Device Model 750 V
Environmental WLCSP package
Storage temperature -40 +125 °C
MSL Moisture Sensitivity Level 1
ESD HBM Human Body Model 4 kV
ESD CDM Charged Device Model 500 V
Flash memory
Endurance
20 000
1
1. Flash endurance is 20,000 erase cycles. The smallest element of flash that can be written is a 32 bit word.
write/erase cycles
Retention 10 years at 40 °C
Number of times an address
can be written between
erase cycles
2 times