66
ATtiny15L
1187H–AVR–09/07
Typical
Characteristics
The following charts show typical behavior. These data are characterized but not tested.
All current consumption measurements 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 switch-
ing 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 dif-
ferential current drawn by the Watchdog Timer.
Figure 36. Active Supply Current vs. V
CC
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
2.5 3 3.5 4 4.5 5 5.5 6
ACTIVE SUPPLY CURRENT vs. V
cc
DEVICE CLOCKED BY 1.6MHz INTERNAL RC OSCILLATOR
I
cc
(mA)
V
cc
(V)
T = 85˚C
A
T = 25
˚
C
A
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