ATtiny13A datasheet(118/174 Pages) ATMEL

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118

8126D–AVR–11/09

ATtiny13A

Notes: 1. “Max” means the highest value where the pin is guaranteed to be read as low.

2. Not tested in production.

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

4. 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.

5. 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.

6. Measured with all I/O modules turned off (PRR = 0xFF).

18.3 Speed Grades

The maximum operating frequency of the device depends on supply voltage, VCC. As shown in

Figure 18-1, the relationship between maximum frequency and VCC is linear in the range of 1.8V

to 4.5V.

Figure 18-1. Maximum Frequency vs. VCC

ICC

Supply Current,

Active Mode (6)

f = 1MHz, VCC = 2V

0.2

0.35

f = 4MHz, VCC = 3V

1.2

1.8

f = 8MHz, VCC = 5V

3.6

Supply Current,

Idle Mode

f = 1MHz, VCC = 2V

0.03

0.2

f = 4MHz, VCC = 3V

0.2

f = 8MHz, VCC = 5V

0.7

Supply Current,

Power-Down Mode

WDT enabled, VCC = 3V

3.9

µA

WDT disabled, VCC = 3V

0.15

µA

Table 18-1.

DC Characteristics, TA = -40⋅C to 85⋅C (Continued)

Symbol

Parameter

Condition

Min

Typ

Max

Units

4 MHz

1.8V

5.5V

4.5V

20 MHz

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