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ATTINY261A-XU

ATTINY261A-XU

ATTINY261A-XU

Microchip Technology

2KB 1K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATtiny Series ATTINY261A 20 Pin 20MHz 5V 20-TSSOP (0.173, 4.40mm Width)

SOT-23

ATTINY261A-XU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 4 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width)
Surface MountYES
Number of Pins 20
Supplier Device Package 20-TSSOP
Number of Terminals 20
Mounting Style SMD/SMT
Interfaces SPI
Data Converters A/D 11x10b
Family Name ATtiny261A
Instruction Set Architecture RISC
Dimensions 6.6 x 4.5 x 1.05mm
Typical Operating Supply Voltage 1.8 → 5.5 V
Package Type TSSOP
Maximum Operating Temperature+85 °C
Minimum Operating Temperature -40 °C
Number of I/Os 16 I/O
Interface Type SPI
Manufacturer Microchip
Brand Microchip Technology
Tradename AVR
RoHS Details
Package Tube
Base Product Number ATTINY261
Mfr Microchip Technology
Product Status Active
Package Shape RECTANGULAR
Number of I/O Lines 16
Operating Temperature-40°C~85°C TA
PackagingTube
Series AVR® ATtiny
Published 1997
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 20
Terminal Finish Matte Tin (Sn)
Additional FeatureALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 4 MHZ; AND 2.7V MINIMUM SUPPLY AT 10 MHZ
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch0.65 mm
Reach Compliance Code compliant
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATTINY261A
Pin Count20
JESD-30 Code R-PDSO-G20
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies2/5 V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 4.5V
Interface SPI
Memory Size2kB
Oscillator TypeInternal
Number of I/O 16
Speed 20MHz
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 1.8V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 2KB 1K x 16
Connectivity USI
Supply Current-Max 7 mA
Bit Size 8
Data Converter A/D 11x10b
Watchdog TimerYes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 2
Product Type8-bit Microcontrollers - MCU
ROM (words) 2048
EEPROM Size 128 x 8
CPU Family AVR RISC
RAM (bytes) 128
Number of ADC Channels 11
ROM Programmability FLASH
Number of PWM Channels 6
Number of I2C Channels 1
Product MCU
Product Category8-bit Microcontrollers - MCU
Device CoreAVR
Height 1.05mm
Length 6.6mm
Width 4.5mm
RoHS StatusROHS3 Compliant
In-Stock:3793 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.22000$1.22
25$1.11240$27.81
100$1.00940$100.94

ATTINY261A-XU Product Details

ATTINY261A-XU Overview


There is a 20-TSSOP (0.173, 4.40mm Width) package available. The board has 16 I/Os. Using the Mounting Type Surface Mount, the MCU is mounted on PCB. A 8-Bit core is used in order to power the IC chip. The type of memory it uses for its program is FLASH. -40°C~85°C TA is the temperature range at which this Microcontroller operates. AVR® ATtiny-series components are electrical components. In the case of this Microcontroller, the memory size of the program is 2KB 1K x 16. Powered by a AVR Core processor. Microcontroller's a MICROCONTROLLER, RISC uPs/uCs/Peripheral IC. IC Chip terminations are 20. As a result, this Microcontroller comes with a 8-bit size. Input voltage for the chip is 5V volts. A total of NO DMA channels are available. This IC part has a memory size of 2kB. There are a number of alternatives to the base part number ATTINY261A that you can find. Performing well when operated at frequency 20MHz can be achieved. Using YES PWM channels, the device works. On the chip, there are 20 pins that can be accessed. It comes with 2 timers/counters that can be set up. The pins counted are 20. The device is powered by the the AVR RISC CPU family that is embedded in it. In addition to these features, there are a number of other ones, such as this one: ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 4 MHZ; AND 2.7V MINIMUM SUPPLY AT 10 MHZ. The device has a total of 11 ADC channels in total. There are 6 PWM channels used by the device in total. A total of 1 I2C channels have been integrated into the part.

ATTINY261A-XU Features


20-TSSOP (0.173, 4.40mm Width) package
Mounting type of Surface Mount


ATTINY261A-XU Applications


There are a lot of Microchip Technology
ATTINY261A-XU Microcontroller applications.


  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine

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