Pin Pullup	Figure 174. I/O Pin Pull-Up Resistor Current vs. Input Voltage (VCC = 5V)
				I/O PIN PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
							Vcc = 5V
		160
		140
	85°C			25°C
		120
				-40°C
	(uA)	100
		80
	IO
	I
		60
		40
		20

0

0

1

2

3

VIO (V)

Figure 175. I/O Pin Pull-Up Resistor Current vs. Input Voltage (VCC = 2.7V)

	100
	90
	80
85°C
	70
	60
(uA)	50
IO
I
	40

30

20

10

0

I/O PIN PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE

Vcc = 2.7V

25°C

-40°C

0

0.5

1

1.5

2

2.5

3

VIO (V)

312 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 176. Reset Pull-Up Resistor Current vs. Reset Pin Voltage (VCC = 5V)

RESET PULL-UP RESISTOR CURRENT vs. RESET PIN VOLTAGE

Vcc = 5V

120

-40°C 25°C

100

		85°C
		80
	(uA)	60
	RESET
	I
		40
		20

0

0

1

2

3

VRESET (V)

Figure 177. Reset Pull-Up Resistor Current vs. Reset Pin Voltage (VCC = 2.7V)

RESET PULL-UP RESISTOR CURRENT vs. RESET PIN VOLTAGE

Vcc = 2.7V

60

-40°C		25°C
	50
		85°C
	40
(uA)	30
RESET
I
	20
	10
	0
	0	0.5	1	1.5	2	2.5	3

VRESET (V)

313

2466P–AVR–08/07

Pin Driver Strength	Figure 178. I/O Pin Source Current vs. Output Voltage (VCC = 5V)

IOH (mA)

I/O PIN SOURCE CURRENT vs. OUTPUT VOLTAGE

Vcc = 5V

90

-40°C

80

25°C

70

85°C

60

50

40

30

20

10

0

0

1

2

3

4

VOH (V)

Figure 179. I/O Pin Source Current vs. Output Voltage (VCC = 2.7V)

IOH (mA)

I/O PIN SOURCE CURRENT vs. OUTPUT VOLTAGE

Vcc = 2.7V

30

-40°C

25

25°C

85°C

20

15

10

5

0

0

0.5

1

1.5

2

2.5

3

VOH (V)

314 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 180. I/O Pin Sink Current vs. Output Voltage (VCC = 5V)

IOL (mA)

I/O PIN SINK CURRENT vs. OUTPUT VOLTAGE

Vcc = 5V

90

80

-40°C

70

25°C

60

85°C

50

40

30

20

10

0

0

0.5

1

1.5

2

2.5

VOL (V)

Figure 181. I/O Pin Sink Current vs. Output Voltage (VCC = 2.7V)

IOL (mA)

I/O PIN SINK CURRENT vs. OUTPUT VOLTAGE

Vcc = 2.7V

35

-40°C

30

25°C

25

85°C

20

15

10

5

0

0

0.5

1

1.5

2

2.5

VOL (V)

315

2466P–AVR–08/07

Pin Thresholds And	Figure 182. I/O Pin Input Threshold Voltage vs. VCC (VIH, I/O Pin Read As '1')
Hysteresis

Threshold (V)

I/O PIN INPUT THRESHOLD VOLTAGE vs. VCC

VIH, IO PIN READ AS '1'

2.5

-40°C

25°C

2

85°C

1.5

1

0.5

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 183. I/O Pin Input Threshold Voltage vs. VCC (VIL, I/O Pin Read As '0')

Threshold (V)

I/O PIN INPUT THRESHOLD VOLTAGE vs. VCC

VIL, IO PIN READ AS '0'

2.5

2

-40°C

1.5

25°C

85°C

1

0.5

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

316 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 184. I/O Pin Input Hysteresis vs. VCC

Hysteresis (mV)

I/O PIN INPUT HYSTERESIS vs. VCC

0.8

85°C 25°C

0.6

-40°C

0.4

0.2

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 185. Reset Input Threshold Voltage vs. VCC (VIH, Reset Pin Read As '1')

Threshold (V)

RESET INPUT THRESHOLD VOLTAGE vs. VCC

VIH, RESET PIN READ AS '1'

2.5

2

-40°C

1.5

25°C

85°C

1

0.5

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

317

2466P–AVR–08/07

Figure 186. Reset Input Threshold Voltage vs. VCC (VIL, Reset Pin Read As '0')

Threshold (V)

RESET INPUT THRESHOLD VOLTAGE vs. VCC

VIL, RESET PIN READ AS '0'

2.5

2

1.5

85°C

25°C -40°C

1

0.5

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 187. Reset Input Pin Hysteresis vs. VCC

Hysteresis (mV)

RESET INPUT PIN HYSTERESIS vs. VCC

0.5

-40°C

0.45

0.4

0.35

0.3

25°C

0.25

0.2

0.15

85°C

0.1

0.05

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

318 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Bod Thresholds And	Figure 188. Bod Thresholds vs. Temperature (Bodlevel is 4.0V)
Analog Comparator
Offset

Threshold (V)

BOD THRESHOLDS vs. TEMPERATURE

BODLEVEL IS 4.0 V

4.1

4
					Rising VCC
3.9
3.8
					Falling VCC
3.7
-50 -40 -30 -20 -10			0	10	20	30	40	50	60	70	80	90	100
					Temperature (˚C)

Figure 189. Bod Thresholds vs. Temperature (Bodlevel is 2.7V)

Threshold (V)

BOD THRESHOLDS vs. TEMPERATURE

BODLEVEL IS 2.7 V

3

2.9

Rising VCC

2.8

2.7

2.6

Falling VCC

2.5

2.4

-50	-40	-30	-20	-10	0	10	20	30	40	50	60	70	80	90	100
							Temperature (˚C)

319

2466P–AVR–08/07

Figure 190. Bandgap Voltage vs. VCC

Bandgap Voltage (V)

BANDGAP VOLTAGE vs. VCC

1.25

85°

1.245

25°

-40°

1.24

1.235

1.23

1.225

2.5

3

3.5

4

4.5

5

5.5

Vcc (V)

Figure 191. Analog Comparator Offset Voltage vs. Common Mode Voltage (VCC = 5V)

Comparator Offset Voltage (V)

ANALOG COMPARATOR OFFSET VOLTAGE vs. COMMON MODE VOLTAGE

VCC = 5V

0

-0.001

-0.002

-0.003

-0.004

-0.005

-0.006

85°C

-0.007

25°C

-0.008

0	0.5	1	1.5	2	2.5	3	3.5	4	4.5	5
				Common Mode Voltage (V)

320 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 192. Analog Comparator Offset Voltage vs. Common Mode Voltage (VCC = 3V)

Comparator Offset Voltage (V)

ANALOG COMPARATOR OFFSET VOLTAGE vs. COMMON MODE VOLTAGE

VCC = 3V

0

-0.001

-0.002

-0.003

-0.004

-0.005
						85°C
-0.006						25°C
-0.007
0	0.5	1	1.5	2	2.5	3
			Common Mode Voltage (V)

Internal Oscillator	Figure 193. Watchdog Oscillator Frequency vs. VCC
Speed

FRC (kHz)

WATCHDOG OSCILLATOR FREQUENCY vs. VCC

1060

-40°C

1050

25°C

1040

85°C

1030

1020

1010

1000

990

980

970

960

950

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

321

2466P–AVR–08/07

Figure 194. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

9

8.6

8.2

5.5V

7.8

4.0V

7.4

7

2.7V

6.6

-60

-40

-20

0

20

40

60

80

100

Temperature (˚C)

Figure 195. Calibrated 8 MHz RC Oscillator Frequency vs. VCC

FRC (MHz)

		CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. VCC
8.5											-40°C
8.3
8.1											25°C
7.9											85°C
7.7
7.5
7.3
7.1
6.9
6.7
6.5
2.5		3	3.5		4	4.5		5		5.5

VCC (V)

322 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 196. Calibrated 8 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

FRC (MHz)

13

12

11

10

9

8

7

6

5

4

3

0

16

32

48

64

80

96

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

Figure 197. Calibrated 4 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 4MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

4.1

4

5.5V

3.9

4.0V

3.8

3.7

2.7V

3.6

-60

-40

-20

0

20

40

60

80

100

Temperature (˚C)

323

2466P–AVR–08/07

Figure 198. Calibrated 4 MHz RC Oscillator Frequency vs. VCC

FRC (MHz)

CALIBRATED 4MHz RC OSCILLATOR FREQUENCY vs. VCC

4.2

4.1

-40°C

25°C

4

85°C

3.9

3.8

3.7

3.6

3.5

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 199. Calibrated 4 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 4MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

FRC (MHz)

6.5

6

5.5

5

4.5

4

3.5

3

2.5

2

1.5

0

16

32

48

64

80

96

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

324 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 200. Calibrated 2 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 2MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

2.1

2.05

2

5.5V

1.95

4.0V

1.9

1.85

2.7V

1.8

-60

-40

-20

0

20

40

60

80

100

Temperature (˚C)

Figure 201. Calibrated 2 MHz RC Oscillator Frequency vs. VCC

FRC (MHz)

CALIBRATED 2MHz RC OSCILLATOR FREQUENCY vs. VCC

2.2

2.1

-40°C 25°C

2

85°C

1.9

1.8

1.7

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

325

2466P–AVR–08/07

Figure 202. Calibrated 2 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 2MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

FRC (MHz)

3.2

3

2.8

2.6

2.4

2.2

2

1.8

1.6

1.4

1.2

1

0.8

0

16

32

48

64

80

96

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

Figure 203. Calibrated 1 MHz RC Oscillator Frequency vs. Temperature

CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE

FRC (MHz)

1.02

1.01

1

5.5V

0.99

0.98

0.97

4.0V

0.96

0.95

0.94

2.7V

0.93

-60

-40

-20

0

20

40

60

80

100

Temperature (˚C)

326 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 204. Calibrated 1 MHz RC Oscillator Frequency vs. VCC

FRC (MHz)

CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. VCC

1.1

1.05

25°C -40°C

1

85°C

0.95

0.9

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 205. Calibrated 1 MHz RC Oscillator Frequency vs. Osccal Value

CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE

FRC (MHz)

1.6

1.4

1.2

1

0.8

0.6

0.4

0

16

32

48

64

80

96

112

128

144

160

176

192

208

224

240

OSCCAL VALUE

327

2466P–AVR–08/07

Current Consumption Figure 206. Brownout Detector Current vs. VCC

Of Peripheral Units

ICC (uA)

BROWNOUT DETECTOR CURRENT vs. VCC

20

18		-40°C

25°C

16

85°C

14

12

10

8

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 207. ADC Current vs. VCC(Aref = AVCC)

ICC (uA)

	ADC CURRENT vs. VCC
350	AREF = AVCC
300	85°C	25°C
250
	-40°C
200

150

100

50

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

328 ATmega16(L)

2466P–AVR–08/07

ATmega16(L)

Figure 208. Aref External Reference Current vs. VCC

IAREF (uA)

AREF EXTERNAL REFERENCE CURRENT vs. VCC

180

160	85°C	25°C
140
	-40°C
120

100

80

60

40

20

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 209. 32khz Tosc Current vs. VCC (Watchdog Timer Disabled)

ICC (uA)

32kHz TOSC CURRENT vs. VCC

WATCHDOG TIMER DISABLED

16

85°C

14

25°C

12

10

8

6

4

2

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

329

2466P–AVR–08/07

Figure 210. Watchdog Timer Current vs. VCC

ICC (uA)

WATCHDOG TIMER CURRENT vs. VCC

18

16

-40°C

25°C

14

85°C

12

10

8

6

4

2

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

Figure 211. Programming Current vs. VCC

ICC (mA)

PROGRAMMING CURRENT vs. VCC

9
	-40°C
8
7	25°C
6	85°C

5

4

3

2

1

0

2.5

3

3.5

4

4.5

5

5.5

VCC (V)

330 ATmega16(L)

2466P–AVR–08/07