ATTINY261-20SU Atmel, ATTINY261-20SU Datasheet - Page 212

• Manufacturer Part Number: ATTINY261-20SU
• Description: IC MCU AVR 2K FLASH 20MHZ 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261-20SU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 55 C
• On-chip Adc: 10 bit, 11 Channel
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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ATtiny261/461/861
Figure 20-28. I/O Pin Input Threshold Voltage vs. V
Figure 20-29. I/O Pin Input Hysteresis vs. V
2,5
1,5
0,5
0,7
0,6
0,5
0,4
0,3
0,2
0,1
3
2
1
0
0
1,5
1,5
2
2
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
2,5
I/O PIN INPUT HYSTERESIS vs. V
2,5
VIL, IO PIN READ AS '0'
3
3
CC
V
V
CC
CC
3,5
3,5
(V)
(V)
CC
(V
4
4
IL
, I/O Pin Read as ‘0’)
CC
4,5
4,5
CC
5
5
2588E–AVR–08/10
5,5
5,5
-40 °C
-40 ˚C
25 °C
85 °C
85 ˚C
25 ˚C