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37.2 Thermal Considerations
37.3 Absolute Maximum Ratings
Stresses beyond those listed in this section may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or other conditions beyond those indicated in
the operational sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
Table 37-2. Absolute Maximum Ratings
Symbol Description Min. Max. Units
V
DD
Power supply voltage 0 3.8 V
I
VDD
Current into a V
DD
pin - 92
(1)
mA
I
GND
Current out of a GND pin - 130
(1)
mA
V
PIN
Pin voltage with respect to GND and V
DD
GND-0.6V V
DD
+0.6V V
T
storage
Storage temperature -60 150 °C
1. Maximum source current is 46mA and maximum sink current is 65mA per cluster. A cluster is a
group of GPIOs as shown in the table below. Also note that each VDD/GND pair is connected to
two clusters so current consumption through the pair will be a sum of the clusters source/sink
currents.
CAUTION
This device is sensitive to electrostatic discharges (ESD). Improper handling may lead to
permanent performance degradation or malfunctioning.
Handle the device following best practice ESD protection rules: Be aware that the human body
can accumulate charges large enough to impair functionality or destroy the device.
CAUTION
In debugger cold-plugging mode, NVM erase operations are not protected by the BOD33 and
BOD12. NVM erase operation at supply voltages below specified minimum can cause
corruption of NVM areas that are mandatory for correct device behavior.
Related Links
7.2.4 GPIO Clusters
37.4 General Operating Ratings
The device must operate within the ratings in order for all other electrical characteristics and typical
characteristics of the device to be valid.
Table 37-3. General Operating Conditions
Symbol Parameter Condition Min. Typ. Max. Units
V
DD
Power supply voltage 1.62
(1)
3.3 3.63 V
SAM D21 Family
Electrical Characteristics
© 2018 Microchip Technology Inc.
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