NRF51822-CDAC-R datasheet(38/130 Pages) NORDIC

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Page 38

nRF51822 Product Specification v3.3

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.

Table 19 specifies the absolute maximum ratings.

Table 19 Absolute maximum ratings

Symbol

Parameter

Min.

Max.

Unit

Supply voltages

VDD

-0.3

+3.9

DEC2

VSS

I/O pin voltage

VIO

-0.3

VDD + 0.3

Environmental QFN48 package

Storage temperature

-40

+125

°C

MSL

Moisture Sensitivity Level

ESD HBM

Human Body Model

ESD CDM

Charged Device Model

750

Environmental WLCSP package

Storage temperature

-40

+125

°C

MSL

Moisture Sensitivity Level

ESD HBM

Human Body Model

ESD CDM

Charged Device Model

500

Flash memory

Endurance

20 0001

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

50 years at 25 °C

Number of times an address

can be written between

erase cycles

times

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