ATTINY44A-SSN Atmel, ATTINY44A-SSN Datasheet - Page 221

• Manufacturer Part Number: ATTINY44A-SSN
• Description: IC MCU AVR 4KB FLASH 20MHZ 14SOI
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44A-SSN

• 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: 14-SOIC (3.9mm Width), 14-SOL
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
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