ATTINY45-20SUR Atmel, ATTINY45-20SUR Datasheet - Page 182
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ATTINY45-20SUR
Manufacturer Part Number
ATTINY45-20SUR
Description
MCU AVR 4KB FLASH 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45-20SUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATTINY45-20SU SL383
ATTINY45-20SU SL383
ATTINY45-20SU-SL383
Q4272203
ATTINY45-20SU SL383
ATTINY45-20SU-SL383
Q4272203
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182
Supply Current of I/O modules
ATtiny25/45/85
Figure 22-10. Idle Supply Current vs. V
The tables and formulas below can be used to calculate the additional current consumption for
the different I/O modules in Active and Idle mode. The enabling or disabling of the I/O modules
are controlled by the Power Reduction Register. See
page 39
Table 22-1.
Table 22-2.
PRR bit
PRTIM1
PRTIM0
PRUSI
PRADC
PRR bit
PRTIM1
PRTIM0
PRUSI
PRADC
for details.
0,09
0,08
0,07
0,06
0,05
0,04
0,03
0,02
0,01
0,1
0
1,5
Additional Current Consumption for the different I/O modules (absolute values)
Additional Current Consumption (percentage) in Active and Idle mode
Additional Current consumption
compared to Active with external clock
(see
Figure 22-1
V
2
CC
= 2V, f = 1 MHz
45 uA
15 uA
5 uA
5 uA
2,5
IDLE SUPPLY CURRENT vs. V
and
INTERNAL RC OSCILLATOR, 128 kHz
20 %
2 %
2 %
5 %
Figure
3
CC
(Internal RC Oscillator, 128 kHz)
22-2)
V
CC
3,5
V
(V)
Typical numbers
CC
= 3V, f = 4 MHz
300 uA
30 uA
25 uA
85 uA
4
“PRR – Power Reduction Register” on
Additional Current consumption
compared to Idle with external clock
(see
CC
Figure 22-6
4,5
5
V
80 %
10 %
10 %
25 %
and
CC
= 5V, f = 8 MHz
Figure
1100 uA
5,5
110 uA
100 uA
340 uA
-40 ˚C
2586M–AVR–07/10
25 ˚C
85 ˚C
22-7)
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