AT89LP216_09 datasheet(79/98 Pages) ATMEL

79 / 98 page

3621D–MICRO–10/09

AT89LP216

25.3.3

Internal Oscillator Frequency

Figure 25-5. Internal Oscillator Frequency vs. VCC

Note:

The data in this table was characterized on factory calibrated devices. It is not tested during manufacturing and is provided for

reference only. Devices may need to be recalibrated to target different operating conditions than the single-point factory

calibration.

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

7.7

7.8

7.9

8.0

8.1

8.2

8.3

8.4

-40C

25C

70C

85C

Vcc (V)

Table 25-1.

Typical Internal Oscillator Behavior

Symbol

Parameter

Condition

Min

Max

Units

IRC

Relative Frequency Error

(MAX–MIN) / (MAX+MIN)

A = -40–85°C; VCC = 2.4–5.5V

±4

A = -40–85°C; VCC = 4.5–5.5V

±3

TA = -40–85°C; VCC = 2.4–3.6V

±3

A = 0–70°C; VCC = 2.4–5.5V

±3

A = 0–70°C; VCC = 4.5–5.5V

±2

TA = 0–70°C; VCC = 2.4–3.6V

±2

IRC

Frequency

(Calibrated at 25°C; 5V)

A = -40–85°C; VCC = 2.4–5.5V

7.8

8.4

MHz

A = -40–85°C; VCC = 4.5–5.5V

7.8

8.2

MHz

TA = -40–85°C; VCC = 2.4–3.6V

8.0

8.4

MHz

A = 0–70°C; VCC = 2.4–5.5V

7.8

8.3

MHz

A = 0–70°C; VCC = 4.5–5.5V

7.8

8.1

MHz

TA = 0–70°C; VCC = 2.4–3.6V

8.0

8.3

MHz

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