ATMEGA3208 datasheet(17/68 Pages) MICROCHIP

17 / 68 page

5.9

I/O Pin Characteristics

Table 5-16. I/O Pin Characteristics (TA=[-40, 85]°C, VDD=[1.8, 5.5]V unless otherwise noted)

Symbol Description

Condition

Min.

Typ.

Max.

Unit

VIL

Input Low Voltage

-0.2

0.3×VDD

VIH

Input High Voltage

0.7×VDD -

VDD+0.2V V

IIH / IIL

I/O pin Input Leakage Current

VDD=5.5V, Pin high

< 0.05 -

µA

VDD=5.5V, Pin low

< 0.05 -

VOL

I/O pin drive strength

VDD=1.8V, IOL=1.5 mA -

0.36

VDD=3.0V, IOL=7.5 mA -

0.6

VDD=5.0V, IOL=15 mA

VOH

I/O pin drive strength

VDD=1.8V, IOH=1.5 mA 1.44

VDD=3.0V, IOH=7.5 mA 2.4

VDD=5.0V, IOH=15 mA 4

Itotal

Maximum combined I/O sink/

source current per pin group(1)

100

Maximum combined I/O sink/

source current per pin group(1)

TA=25°C

200

tRISE

Rise time

VDD=3.0V, load=20 pF -

2.5

VDD=5.0V, load=20 pF -

1.5

VDD=3.0V, load=20 pF,

slew rate enabled

VDD=5.0V, load=20 pF,

slew rate enabled

tFALL

Fall time

VDD=3.0V, load=20 pF -

2.0

VDD=5.0V, load=20 pF -

1.3

VDD=3.0V, load=20 pF,

slew rate enabled

VDD=5.0V, load=20 pF,

slew rate enabled

Cpin

I/O pin capacitance except for

TOSC, VREFA, and TWI pins

3.5

Cpin

I/O pin capacitance on TOSC pins

Cpin

I/O pin capacitance on TWI pins

Cpin

I/O pin capacitance on VREFA pin

Pull-up resistor

kΩ

ATmega3208/4808 – 32-pin Data Sheet

Electrical Characteristics

Datasheet Preliminary

DS40002017A-page 17

ATMEGA3208 Datasheet(PDF) 17 Page - Microchip Technology

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