ATtiny13
17.8.7Reading the Signature Bytes and Calibration Byte
The algorithms for reading the Signature bytes and Calibration byte are shown in Table 17-13 on page 110.
17.8.8Power-off sequence
Set SCI to “0”. Set RESET to “1”. Turn VCC power off.
18. Electrical Characteristics
18.1Absolute 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 |
|
||||
|
|
|
|
|
|
|
18.2DC Characteristics
Table 18-1. DC Characteristics, TA = -40°C to +85°C
Symbol |
Parameter |
|
Condition |
Min. |
|
Typ.(1) |
Max. |
Units |
|
Input Low Voltage, |
|
VCC = 1.8V - 2.4V |
-0.5 |
|
|
(2) |
V |
|
|
|
|
0.2VCC |
||||
|
Any Pin as I/O |
|
VCC = 2.4V - 5.5V |
-0.5 |
|
|
(2) |
V |
VIL |
|
|
|
|
0.3VCC |
|||
Input Low Voltage, |
|
VCC = 1.8V - 5.5 |
|
|
|
(2) |
|
|
|
RESET Pin as Reset (3) |
|
-0.5 |
|
|
0.2VCC |
V |
|
|
Input High Voltage, |
|
VCC = 1.8V - 2.4V |
0.7VCC |
(4) |
|
VCC + 0.5 |
V |
|
|
|
|
|||||
VIH |
Any Pin as I/O |
|
VCC = 2.4V - 5.5V |
0.6VCC |
(4) |
|
VCC + 0.5 |
V |
|
|
|
|
|||||
Input High Voltage, |
|
VCC = 1.8V - 5.5V |
0.9VCC |
(4) |
|
VCC + 0.5 |
V |
|
|
RESET Pin as Reset (3) |
|
|
|
||||
|
Output Low Voltage, |
|
IOL = 20 mA, VCC = 5V |
|
|
|
0.7 |
V |
VOL |
Pins PB0 and PB1 (5) |
|
IOL = 10 mA, VCC = 3V |
|
|
|
0.5 |
V |
|
|
|
|
|
||||
Output Low Voltage, |
(5) |
IOL = 10 mA, VCC = 5V |
|
|
|
0.7 |
V |
|
|
|
|
|
|||||
|
Pins PB2, PB3 and PB4 |
IOL = 5 mA, VCC = 3V |
|
|
|
0.5 |
V |
|
|
|
|
|
|
|
|||
|
Output High Voltage, |
|
IOH = -20 mA, VCC = 5V |
4.2 |
|
|
|
V |
VOH |
Pins PB0 and PB1 (6) |
|
IOH = -10 mA, VCC = 3V |
2.5 |
|
|
|
V |
|
|
|
|
|
||||
Output High Voltage, |
(6) |
IOH = -10 mA, VCC = 5V |
4.2 |
|
|
|
V |
|
|
|
|
|
|||||
|
Pins PB2, PB3 and PB4 |
IOH = -5 mA, VCC = 3V |
2.5 |
|
|
|
V |
|
|
|
|
|
|
|
|||
ILIL |
Input Leakage |
|
VCC = 5.5V, pin low |
-1 |
|
|
1 |
µA |
Current I/O Pin |
|
|
|
115
2535J–AVR–08/10
Table 18-1. DC Characteristics, TA = -40°C to +85°C (Continued)
Symbol |
Parameter |
Condition |
Min. |
Typ.(1) |
Max. |
Units |
ILIH |
Input Leakage |
VCC = 5.5V, pin high |
-1 |
|
1 |
µA |
Current I/O Pin |
|
|||||
RPU |
Pull-Up Resistor, I/O Pin |
VCC = 5.5V, input low |
20 |
|
50 |
kΩ |
Pull-Up Resistor, Reset Pin |
VCC = 5.5V, input low |
30 |
|
80 |
kΩ |
|
|
|
|||||
|
Supply Current, |
f = 1MHz, VCC = 2V |
|
0.3 |
0.35 |
mA |
|
f = 4MHz, VCC = 3V |
|
1.6 |
1.8 |
mA |
|
|
Active Mode |
|
||||
|
f = 8MHz, VCC = 5V |
|
5 |
6 |
mA |
|
|
|
|
||||
ICC |
Supply Current, |
f = 1MHz, VCC = 2V |
|
0.08 |
0.2 |
mA |
f = 4MHz, VCC = 3V |
|
0.41 |
1 |
mA |
||
|
Idle Mode |
|
||||
|
f = 8MHz, VCC = 5V |
|
1.6 |
3 |
mA |
|
|
|
|
||||
|
Supply Current, |
WDT enabled, VCC = 3V |
|
5 |
10 |
µA |
|
Power-Down Mode |
WDT disabled, VCC = 3V |
|
0.5 |
2 |
µA |
|
|
|
Notes: 1. Typical values at +25°C.
2.“Max” means the highest value where the pin is guaranteed to be read as low.
3.Not tested in production.
4.“Min” means the lowest value where the pin is guaranteed to be read as high.
5.Although each I/O port can under non-transient, steady state conditions sink more than the test conditions, 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 under non-transient, steady state conditions source more than the test conditions, 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.
116 ATtiny13 
2535J–AVR–08/10
ATtiny13
18.3Speed Grades
The maximum operating frequency of the device depends on VCC. As shown in Figure 18-1 and Figure 18-2, the maximum frequency vs. VCC relationship is linear between 1.8V < VCC < 2.7V and between 2.7V < VCC < 4.5V.
Figure 18-1. Maximum Frequency vs. VCC for ATtiny13V |
|
|
10 MHz |
|
|
|
Safe Operating Area |
|
4 MHz |
|
|
1.8V |
2.7V |
5.5V |
Figure 18-2. Maximum Frequency vs. VCC for ATtiny13 |
|
|
20 MHz |
|
|
10 MHz |
Safe Operating Area |
|
|
|
|
2.7V |
4.5V |
5.5V |
117
2535J–AVR–08/10