ATtiny15L
58
Typical characteristics – PRELIMINARY DATA
The following charts show typical behavior. These data are characterized, but not tested. All current consumption measure-
ments are performed with all I/O pins configured as inputs and with internal pull-ups enabled.
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 C
L
*V
CC
*f where C
L
= load capacitance,
V
CC
= operating voltage and f = average switching frequency of I/O pin.
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.
Figure 36. Calibrated Internal RC Oscillator Frequency vs. V
CC
0.88
0.90
0.92
0.94
0.96
0.98
1.00
1.02
2 2.5 3 3.5 4 4.5 5 5.5 6
25 C
Operating voltage [V]
Calibrated RC Oscillator frequency Vs. operating voltage
T = 25˚C
A
T = 85˚C
A
T = 45˚C
A
T = 70˚C
A
Frequency relative to frequency at 25˚C anc V = 5.0V
cc
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