at89lp428-25pu ATMEL Corporation, at89lp428-25pu Datasheet - Page 128
at89lp428-25pu
Manufacturer Part Number
at89lp428-25pu
Description
8-bit Microcontroller With 4k/8k Bytes In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LP428-25PU.pdf
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24.3
24.3.1
128
Typical Characteristics
AT89LP428/828
Supply Current (Internal Oscillator)
The following charts show typical behavior. These figures are not tested during manufacturing.
All current consumption measurements are performed with all I/O pins configured as quasi-bidi-
rectional (with internal pull-ups). A square wave generator with rail-to-rail output is used as an
external clock source for consumption versus frequency measurements.
Figure 24-1. Active Supply Current vs. Vcc (8 MHz Internal Oscillator)
Figure 24-2. Idle Supply Current vs. Vcc (8 MHz Internal Oscillator)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
9
8
7
6
5
4
3
2
2.0
2.0
2.5
2.5
3.0
3.0
3.5
3.5
Vcc (V)
Vcc (V)
4.0
4.0
4.5
4.5
5.0
5.0
5.5
5.5
3654A–MICRO–8/09
85C
-40C
25C
85C
-40C
25C
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