ATTINY44A-MMHR Atmel, ATTINY44A-MMHR Datasheet - Page 221
ATTINY44A-MMHR
Manufacturer Part Number
ATTINY44A-MMHR
Description
MCU AVR 4KB FLASH 20MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY44A-MMHR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, 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)
1.8 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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21.3.7
8183C–AVR–03/11
Pull-up Resistors
Figure 21-76. Watchdog Timer Current vs. V
Figure 21-77. Pull-up Resistor Current vs. Input Voltage
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0
1.5
50
40
30
20
10
0
0
I/O Pin, V
0.2
2
CC
0.4
= 1.8V
2.5
0.6
3
0.8
V
V
CC
OP
3.5
CC
1
(V)
(V)
1.2
4
ATtiny24A/44A/84A
1.4
4.5
1.6
1.8
5
2
5.5
-40 °C
25 °C
85 °C
-40 °C
25 °C
85 °C
221
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