ATMEGA3208 datasheet(9/68 Pages) MICROCHIP

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Electrical Characteristics

5.1

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 5-1. Absolute Maximum Ratings

Symbol Description

Conditions

Min. Max.

Unit

VDD

Power Supply Voltage

-0.5 6

IVDD

Current into a VDD pin

TA=[-40, 85]°C

200

TA=[85, 125]°C

100

IGND

Current out of a GND pin

TA=[-40, 85]°C

200

TA=[85, 125]°C

100

VPIN

Pin voltage with respect to GND

-0.5 VDD+0.5 V

IPIN

I/O pin sink/source current

-40 40

Ic1(1)

I/O pin injection current except for the RESET pin

Vpin<GND-0.6V or 5.5V<Vpin≤6.1V

4.9V<VDD≤5.5V

-1

Ic2(1)

I/O pin injection current except for the RESET pin

Vpin<GND-0.6V or Vpin≤5.5V

VDD≤4.9V

-15 15

Tstorage Storage temperature

-65 150

°C

Note:

–

If VPIN is lower than GND-0.6V, then a current limiting resistor is required. The negative DC

injection current limiting resistor is calculated as R = (GND-0.6V – Vpin)/ICn.

–

If VPIN is greater than VDD+0.6V, then a current limiting resistor is required. The positive DC

injection current limiting resistor is calculated as R = (Vpin-(VDD+0.6))/ICn.

5.2

General Operating Ratings

The device must operate within the ratings listed in this section in order for all other electrical

characteristics and typical characteristics of the device to be valid.

Table 5-2. General Operating Conditions

Symbol

Description

Condition

Min.

Max.

Unit

VDD

Operating Supply Voltage

1.8(1)

5.5

Operating temperature range

Standard temperature range

-40

125

°C

Note:

Operation is guaranteed down to 1.8V or VBOD with BODLEVEL=1.8V, whichever is lower.

ATmega3208/4808 – 32-pin Data Sheet

Electrical Characteristics

Datasheet Preliminary

DS40002017A-page 9

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