ATmega32U2 datasheet(264/314 Pages) ATMEL

264 / 314 page

264

7799B–AVR–07/09

ATmega8U2/16U2/32U2

26. Electrical Characteristics

26.1

Absolute Maximum Ratings*

26.2

DC Characteristics

Operating Temperature.................................. -55

°C to +125°C

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age 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.

Storage Temperature ..................................... -65°C to +150°C

Voltage on any Pin except RESET & UVcc

with respect to Ground(7) .............................-0.5V to VCC+0.5V

Voltage on RESET with respect to Ground......-0.5V to +13.0V

Voltage on UVcc with respect to Ground ...........-0.5V to +6.0V

Maximum Operating Voltage ............................................ 6.0V

DC Current per I/O Pin ............................................... 40.0 mA

DC Current

CC and GND Pins ................................ 200.0 mA

A = -40°C to 85°C, VCC = 2.7V to 5.5V (unless otherwise noted)

Symbol

Parameter

Condition

Min.(5)

Typ.

Max.(5)

Units

VIL

Input Low Voltage,

Standard IOs(8)

VCC = 2.7V - 5.5V

-0.5

0.8

VIL1

Input Low Voltage,

XTAL1 pin

CC = 2.7V - 5.5V

-0.5

0.1V

(1)

VIL2

Input Low Voltage,

RESET pin

CC = 2.7V - 5.5V

-0.5

0.1V

(1)

VIH

Input High Voltage,

Standard IOs(8)

VCC = 2.7V - 5.5V

VCC + 0.5

VIH1

Input High Voltage,

XTAL1 pin

CC = 2.7V - 5.5V

0.7V

(2)

CC + 0.5

VIH2

Input High Voltage,

RESET pin

CC = 2.7V - 5.5V

0.9V

(2)

CC + 0.5

VOL

Output Low Voltage(3),

Standard IOs(8),

MOSI/MISO pins

IOL = 10mA, VCC = 5V

IOL = 5mA, VCC = 3V

0.7

0.5

VOH

Output High Voltage(4),

Standard IOs(8),

MOSI/MISO pins

IOH = -20mA, VCC = 5V

IOH = -10mA, VCC = 3V

4.2

2.3

IIL

Input Leakage

Current I/O Pin

CC = 5.5V, pin low

(absolute value)

1µA

IIH

Input Leakage

Current I/O Pin

VCC = 5.5V, pin high

(absolute value)

1µA

RRST

Reset Pull-up Resistor

RPU

I/O Pin Pull-up Resistor

ATmega32U2 Datasheet(PDF) 264 Page - ATMEL Corporation

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