ATTINY261A-MN Atmel, ATTINY261A-MN Datasheet - Page 244

• Manufacturer Part Number: ATTINY261A-MN
• Description: IC MCU AVR 2K FLASH 32QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261A-MN

• 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: 16
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Processor Series: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 128 B, 256 B, 512 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 105 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20.3.10
244
ATtiny261A/461A/861A
Internal Oscillators
Figure 20-98. Frequency of Watchdog Oscillator vs. V
Figure 20-99. Frequency of Watchdog Oscillator vs. Temperature
120000
115000
110000
105000
120000
115000
110000
105000
1.5
-40
2
-20
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
WATCHDOG OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE
2.5
0
3
20
Temperature
V
CC
3.5
(V)
40
CC
4
60
4.5
80
5
100
8197B–AVR–01/10
5.5
-40 °C
25 °C
85 °C
1.8 V
3.0 V
5.0 V