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ATmega128
Electrical Characteristics
Note:
Typical values contained in this data sheet are based on simulations and characterization of other AVR microcontrollers manu-
factured on the same process technology. Min and Max values will be available after the device is characterized.
Absolute Maximum Ratings*
Operating Temperature.................................. -55 ° C to +125 ° C
Storage Temperature ..................................... -65°C to +150°C
Voltage on any Pin except RESET
with respect to Ground ................................-0.5V to V CC +0.5V
Voltage on RESET with respect to Ground......-0.5V to +13.0V
*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.
Maximum Operating Voltage ............................................ 6.0V
DC Current per I/O Pin ............................................... 40.0 mA
DC Current V CC and GND Pins..................... 200.0 - 400.0mA
DC Characteristics
T A = -40 ° C to 85 ° C, V CC = 2.7V to 5.5V (unless otherwise noted)
Symbol
V IL
V IH
V IL1
V IH1
V IL2
V IH2
Parameter
Input Low Voltage except
XTAL1 and RESET pins
Input High Voltage except
XTAL1 and RESET pins
Input Low Voltage
XTAL1 pin
Input High Voltage XTAL1
pin
Input Low Voltage
RESET pin
Input High Voltage
RESET pin
Condition
V CC = 2.7V - 5.5V
V CC = 2.7V - 5.5V
V CC = 2.7V - 5.5V
V CC = 2.7V - 5.5V
V CC = 2.7V - 5.5V
V CC = 2.7V - 5.5V
Min
-0.5
0.6 V CC (2)
-0.5
0.7 V CC (2)
-0.5
0.85 V CC (2)
Typ
Max
0.2 V CC (1)
V CC + 0.5
0.1 V CC (1)
V CC + 0.5
0.2 V CC (1)
V CC + 0.5
Units
V
V OL
V OH
I IL
I IH
R RST
Output Low Voltage (3)
(Ports A,B,C,D, E, F, G)
Output High Voltage (4)
(Ports A,B,C,D, E, F, G)
Input Leakage
Current I/O Pin
Input Leakage
Current I/O Pin
Reset Pull-up Resistor
I OL = 20mA, V CC = 5V
I OL = 10mA, V CC = 3V
I OH = -20mA, V CC = 5V
I OH = -10mA, V CC = 3V
Vcc = 5.5 V, pin low
(absolute value)
Vcc = 5.5 V, pin high
(absolute value)
4.2
2.2
30
0.7
0.5
1.0
1.0
85
V
V
V
V
μA
R PEN
R PU
PEN Pull-up Resistor
I/O Pin Pull-up Resistor
30
20
60
50
k Ω
318
2467X–AVR–06/11
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