ATtiny2313

Electrical Characteristics

Absolute Maximum Ratings*

Operating Temperature.................................. -55°C to +125°C

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

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

age to the device. This is a stress rating only and

functional operation of the device at these or

Voltage on any Pin except

RESET

other conditions beyond those indicated in the

with respect to Ground ................................-0.5V to VCC+0.5V

operational sections of this specification is not

Voltage on

with respect to Ground......-0.5V to +13.0V

implied. Exposure to absolute maximum rating

RESET

conditions for extended periods may affect

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

device reliability.

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

DC Current VCC and GND Pins ................................ 200.0 mA

DC Characteristics

= 1.8V to 5.5V (unless otherwise noted)(1)

T = -40°C to +85°C, V

CC

A

Symbol

Parameter

Condition

Min.

Typ.(2)

Max.

Units

Input Low Voltage except

V

CC

= 1.8V - 2.4V

0.2V

(3)

VIL

-0.5

CC

V

XTAL1 and RESET pin

VCC = 2.4V - 5.5V

0.3VCC(3)

VIH

Input High-voltage except

VCC = 1.8V - 2.4V

0.7VCC(4)

VCC +0.5

V

XTAL1 and RESET pins

VCC = 2.4V - 5.5V

0.6VCC(4)

V

IL1

Input Low Voltage

V

CC

= 1.8V - 5.5V

-0.5

0.1V

(3)

V

XTAL1 pin

CC

VIH1

Input High-voltage

VCC = 1.8V - 2.4V

0.8VCC(4)

VCC +0.5

V

XTAL1 pin

VCC = 2.4V - 5.5V

0.7VCC(4)

V

IL2

Input Low Voltage

V

CC

= 1.8V - 5.5V

-0.5

0.2V

(3)

V

RESET pin

CC

V

IH2

Input High-voltage

V

CC

= 1.8V - 5.5V

0.9V

(4)

V

CC

+0.5

V

RESET pin

CC

VIL3

Input Low Voltage

VCC = 1.8V - 2.4V

-0.5

0.2VCC(3)

V

RESET pin as I/O

VCC = 2.4V - 5.5V

0.3VCC(3)

VIH3

Input High-voltage

VCC = 1.8V - 2.4V

0.7VCC(4)

VCC +0.5

V

RESET pin as I/O

VCC = 2.4V - 5.5V

0.6VCC(4)

Output Low Voltage(5)

I

OL

= 20 mA, V = 5V

0.7

V

VOL

CC

(Port A, Port B, Port D)

IOL = 10 mA, VCC = 3V

0.5

V

VOH

Output High-voltage(6)

IOH = -20 mA, VCC = 5V

4.2

V

(Port A, Port B, Port D)

IOH = -10 mA, VCC = 3V

2.5

V

IIL

Input Leakage

VCC = 5.5V, pin low

1

µA

Current I/O Pin

(absolute value)

IIH

Input Leakage

VCC = 5.5V, pin high

1

µA

Current I/O Pin

(absolute value)

RRST

Reset Pull-up Resistor

30

60

kΩ

Rpu

I/O Pin Pull-up Resistor

20

50

kΩ

177

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T = -40°C to +85°C, V

CC

= 1.8V to 5.5V (unless otherwise noted)(1) (Continued)

A

Symbol

Parameter

Condition

Min.

Typ.(2)

Max.

Units

Active 1MHz, VCC = 2V

0.35

mA

Active 4MHz, VCC = 3V

2

mA

Power Supply Current

Active 8MHz, VCC = 5V

6

mA

ICC

Idle 1MHz, VCC = 2V

0.08

0.2

mA

Idle 4MHz, VCC = 3V

0.41

1

mA

Idle 8MHz, VCC = 5V

1.6

3

mA

Power-down mode

WDT enabled, VCC = 3V

< 3

6

µA

WDT disabled, VCC = 3V

< 0.5

2

µA

VACIO

Analog Comparator

VCC = 5V

< 10

40

mV

Input Offset Voltage

Vin = VCC/2

IACLK

Analog Comparator

VCC = 5V

-50

50

nA

Input Leakage Current

Vin = VCC/2

tACPD

Analog Comparator

VCC = 2.7V

750

ns

Propagation Delay

VCC = 5.0V

500

Notes: 1. All DC Characteristics contained in this data sheet are based on simulation and characterization of other AVR microcontrollers manufactured in the same process technology. These values are preliminary values representing design targets, and will be updated after characterization of actual silicon.

2.Typical values at +25°C.

3.“Max” means the highest value where the pin is guaranteed to be read as low.

4.“Min” means the lowest value where the pin is guaranteed to be read as high.

5.Although each I/O port can sink more than the test conditions (10 mA at VCC = 5V, 5 mA at VCC = 3V) under steady state conditions (non-transient), the following must be observed:

1] The sum of all IOL, for all ports, should not exceed 60 mA.

If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test condition.

6.Although each I/O port can source more than the test conditions (10 mA at VCC = 5V, 5 mA at VCC = 3V) under steady state conditions (non-transient), the following must be observed:

1] The sum of all IOH, for all ports, should not exceed 60 mA.

If IOH exceeds the test condition, VOH may exceed the related specification. Pins are not guaranteed to source current greater than the listed test condition.

178 ATtiny2313

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External Clock

Drive Waveforms

External Clock

Drive

2543L–AVR–08/10

ATtiny2313

Figure 81. External Clock Drive Waveforms

VIH1

VIL1

Table 80. External Clock Drive (Estimated Values)

			VCC = 1.8 - 5.5V		VCC = 2.7 - 5.5V		VCC = 4.5 - 5.5V
	Symbol	Parameter	Min.	Max.	Min.	Max.	Min.	Max.	Units
	1/tCLCL	Oscillator	0	4	0	10	0	20	MHz
		Frequency
	tCLCL	Clock Period	250		100		50		ns
	tCHCX	High Time	100		40		20		ns
	tCLCX	Low Time	100		40		20		ns
	tCLCH	Rise Time		2.0		1.6		0.5	μs
	tCHCL	Fall Time		2.0		1.6		0.5	μs
		Change in
		period from one		2		2		2	%
		clock cycle to
	tCLCL
		the next

179

Maximum Speed vs. VCC

Maximum frequency is dependent on VCC. As shown in Figure 82 and Figure 83, the Maximum Frequency vs. VCC curve is linear between 1.8V < VCC < 2.7V and between 2.7V < VCC < 4.5V.

Figure 82. Maximum Frequency vs. VCC, ATtiny2313V

10 MHz
	Safe Operating Area
4 MHz
1.8V	2.7V	5.5V

Figure 83. Maximum Frequency vs. VCC, ATtiny2313

20 MHz
10 MHz	Safe Operating Area
2.7V	4.5V	5.5V

180 ATtiny2313

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			ATtiny2313
	ATtiny2313
		The following charts show typical behavior. These figures are not tested during manufacturing.
	Typical	All current consumption measurements are performed with all I/O pins configured as inputs and
		with internal pull-ups enabled. A sine wave generator with rail-to-rail output is used as clock
	Characteristics
		source.
		The power consumption in Power-down mode is independent of clock selection.

The current consumption is a function of several factors such as: operating voltage, operating frequency, loading of I/O pins, switching rate of I/O pins, code executed and ambient temperature. The dominating factors are operating voltage and frequency.

The current drawn from capacitive loaded pins may be estimated (for one pin) as CL*VCC*f where CL = load capacitance, VCC = operating voltage and f = average switching frequency of I/O pin.

The parts are characterized at frequencies higher than test limits. Parts are not guaranteed to function properly at frequencies higher than the ordering code indicates.

The difference between current consumption in Power-down mode with Watchdog Timer enabled and Power-down mode with Watchdog Timer disabled represents the differential current drawn by the Watchdog Timer.

Active Supply Current Figure 84. Active Supply Current vs. Frequency (0.1 - 1.0 MHz)

ACTIVE SUPPLY CURRENT vs. LOW FREQUENCY

						0.1 - 1.0 MHz
	1.2
	1										5.5 V
											5.0 V
	0.8										4.5 V
(mA)	0.6										4.0 V
CC											3.3 V
I
	0.4										2.7 V
	0.2										1.8 V
	0
	0	0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1
					Frequency (MHz)

181

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Figure 85. Active Supply Current vs. Frequency (1 - 20 MHz)

ACTIVE SUPPLY CURRENT vs. FREQUENCY

						1 - 20 MHz
	14
	12										5.5 V
											5.0 V
	10										4.5 V
(mA)	8
CC	6
I
	4					4.0 V
						3.3 V
	2					2.7 V
	0			1.8 V
	0	2	4	6	8	10	12	14	16	18	20

Frequency (MHz)

Figure 86. Active Supply Current vs. VCC (Internal RC Oscillator, 8 MHz)

ACTIVE SUPPLY CURRENT vs. VCC

INTERNAL RC OSCILLATOR, 8 MHz

	9								85 ˚C
	8								25 ˚C
	7								-40 ˚C
	6
(mA)	5
CC	4
I
	3
	2
	1
	0
	1.5	2	2.5	3	3.5	4	4.5	5	5.5
					VCC (V)

182 ATtiny2313

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ATtiny2313

Figure 87. Active Supply Current vs. VCC (Internal RC Oscillator, 4 MHz)

ACTIVE SUPPLY CURRENT vs. Vcc

INTERNAL RC OSCILLATOR, 4 MHz

	6
	5								-40 °C
									85 °C
									25 °C
	4
(mA)	3
cc
I
	2
	1
	0
	1.5	2	2.5	3	3.5	4	4.5	5	5.5
					Vcc (V)

Figure 88. Active Supply Current vs. VCC (Internal RC Oscillator, 1 MHz)

ACTIVE SUPPLY CURRENT vs. Vcc

INTERNAL RC OSCILLATOR, 1 MHz

	1.8								85 °C
	1.6								25 °C
									-40 °C
	1.4
	1.2
(mA)	1
cc	0.8
I
	0.6
	0.4
	0.2
	0
	1.5	2	2.5	3	3.5	4	4.5	5	5.5
					Vcc (V)

183

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Figure 89. Active Supply Current vs. VCC (Internal RC Oscillator, 0.5 MHz)

ACTIVE SUPPLY CURRENT vs. Vcc

INTERNAL RC OSCILLATOR, 0.5 MHz

	1.2
	1								85	°C
									25	°C
	0.8								-40	°C
(mA)	0.6
cc
I
	0.4
	0.2
	0
	1.5	2	2.5	3	3.5	4	4.5	5	5.5
					Vcc (V)

Figure 90. Active Supply Current vs. VCC (Internal RC Oscillator, 128 KHz)

ACTIVE SUPPLY CURRENT vs. Vcc

INTERNAL RC OSCILLATOR, 128 KHz

	0.14									-40 °C
	0.12									25 °C
										85 °C
	0.1
(mA)	0.08
cc	0.06
I
	0.04
	0.02
	0
	1.5	2	2.5	3	3.5	4	4.5	5	5.5	6

Vcc (V)

184 ATtiny2313

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