ATTINY44-20SSUR Atmel, ATTINY44-20SSUR Datasheet - Page 175
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ATTINY44-20SSUR
Manufacturer Part Number
ATTINY44-20SSUR
Description
MCU AVR 4KB FLASH 20MHZ 14SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY24-20MU.pdf
(238 pages)
Specifications of ATTINY44-20SSUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 20-1.
Notes:
20.3
8006K–AVR–10/10
Symbol
I
CC
1. Typical values at +25°C.
2. “Min” means the lowest value where the pin is guaranteed to be read as high.
3. “Max” means the highest value where the pin is guaranteed to be read as low.
4. Although each I/O port can sink more than the test conditions (10 mA at V
5. Although each I/O port can source more than the test conditions (10 mA at V
6. The RESET pin must tolerate high voltages when entering and operating in programming modes and, as a consequence,
7. Values are with external clock using methods described in
8. BOD Disabled.
Speed
conditions (non-transient), the sum of all I
may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test condition.
conditions (non-transient), the sum of all I
may exceed the related specification. Pins are not guaranteed to source current greater than the listed test condition.
has a weak drive strength as compared to regular I/O pins. See
(starting on
enabled (PRR = 0xFF) and there is no I/O drive.
Parameter
Power Supply Current
Power-down mode
DC Characteristics. T
page
The maximum operating frequency of the device depends on V
Figure
and between 2.7V < V
Figure 20-1. Maximum Frequency vs. V
198).
(8)
10 MHz
(7)
4 MHz
20-2, the maximum frequency vs. V
A
Active 4MHz, V
Active 8MHz, V
Idle 1MHz, V
WDT disabled, V
Condition
Active 1MHz, V
Idle 4MHz, V
Idle 8MHz, V
WDT enabled, V
= -40°C to +85°C (Continued)
1.8V
OL
OH
CC
CC
CC
CC
(for all ports) should not exceed 60 mA. If I
(for all ports) should not exceed 60 mA. If I
< 4.5V.
CC
CC
CC
= 2V
= 3V
= 5V
CC
CC
= 2V
= 3V
= 5V
= 3V
= 3V
“Minimizing Power Consumption” on page
CC
Min
Figure
Safe Operating Area
CC
(ATtiny24V/44V/84V)
relationship is linear between 1.8V < V
2.7V
21-24,
CC
CC
= 5V, 5 mA at V
Figure
Typ
= 5V, 5 mA at V
0.33
0.11
0.15
1.6
0.4
1.5
4.5
5
(1)
21-25,
OL
OH
CC.
exceeds the test conditions, V
exceeds the test condition, V
As shown in
Figure
ATtiny24/44/84
CC
CC
= 3V) under steady state
Max
0.8
2.5
0.4
1.0
3.5
10
9
2
= 3V) under steady state
21-26, and
35. Power Reduction is
Figure 20-1
5.5V
Figure 21-27
Units
CC
mA
mA
mA
mA
mA
mA
µA
µA
< 2.7V
OH
and
175
OL
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