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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATTINY261-20SU
ATTINY261-20SU Image
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See specifications for product details.

ATTINY261-20SU - Microchip Technology

Manufacturer Part Number
ATTINY261-20SU
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATTINY261-20SU
ECAD Model
Parts Description
IC MCU 8BIT 2KB FLASH 20SOIC
Detailed Description
Package
20-SOIC (0.295', 7.50mm Width)
Data sheet
ATtiny261/461/861(V) Complete.pdf
ATtiny261/461/861(V) Summary.pdf
RoHs Status
ROHS3 Compliant
In stock: 15450

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Specifications

ATTINY261-20SU Tech Specifications
Microchip Technology - ATTINY261-20SU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATTINY261-20SU

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V  
Supplier Device Package 20-SOIC  
Speed 20MHz  
Series AVR® ATtiny  
RAM Size 128 x 8  
Program Memory Type FLASH  
Program Memory Size 2KB (1K x 16)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 20-SOIC (0.295', 7.50mm Width)  
Package Tube  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 16  
Mounting Type Surface Mount  
EEPROM Size 128 x 8  
Data Converters A/D 11x10b  
Core Size 8-Bit  
Core Processor AVR  
Connectivity USI  
Base Product Number ATTINY261  

Parts Introduction

Manufacturer Part Number

ATTINY261-20SU

Manufacturer

Microchip Technology

Introduction

The ATTINY261-20SU is a high-performance, low-power 8-bit microcontroller from Microchip Technology's AVR ATtiny series.

Product Features and Performance

2KB FLASH program memory

128B EEPROM

128B internal SRAM

11 channel 10-bit ADC

16 programmable I/O lines

Universal Serial Interface (USI)

Brown-out detection and reset

Power-on reset

Watchdog timer

8-bit timer/counters with PWM

Operating frequency up to 20MHz

Product Advantages

Compact 20-SOIC package

Wide operating voltage range (2.7V to 5.5V)

Extended temperature range (-40°C to 85°C)

Low power consumption

Key Technical Parameters

Microcontroller: 8-bit AVR

Package: 20-SOIC

Program Memory: 2KB FLASH

SRAM: 128B

EEPROM: 128B

ADC: 11 channel 10-bit

I/O Lines: 16

Operating Voltage: 2.7V to 5.5V

Operating Frequency: Up to 20MHz

Quality and Safety Features

ROHS3 compliant

Brown-out detection and reset

Power-on reset

Watchdog timer

Compatibility

The ATTINY261-20SU is compatible with other AVR ATtiny series microcontrollers, allowing for easy migration and integration into existing designs.

Application Areas

Embedded systems

Industrial control

Home automation

Sensor interfaces

General-purpose microcontroller applications

Product Lifecycle

The ATTINY261-20SU is an active product, and Microchip Technology continues to provide support and availability for this microcontroller. Replacement or upgrade options may include newer members of the AVR ATtiny series.

Key Reasons to Choose This Product

Compact 20-SOIC package for space-constrained designs

Wide operating voltage range for flexibility in power supply

Extended temperature range for use in harsh environments

Low power consumption for battery-powered applications

Onboard peripherals like ADC, timers, and communication interfaces

Compatibility with the broader AVR ATtiny series for easy migration

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATTINY261-20SU

Product Attribute ATTINY261-20SU ATTINY261-20MU ATTINY261A-MU ATTINY261-15MZ
Part Number ATTINY261-20SU ATTINY261-20MU ATTINY261A-MU ATTINY261-15MZ
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Program Memory Size 2KB (1K x 16) 2KB (1K x 16) 2KB (1K x 16) 2KB (1K x 16)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
RAM Size 128 x 8 128 x 8 128 x 8 128 x 8
Speed 20MHz 20MHz 20MHz 16MHz
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT Brown-out Detect/Reset, POR, PWM, WDT
EEPROM Size 128 x 8 128 x 8 128 x 8 128 x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V 2.7V ~ 5.5V 1.8V ~ 5.5V 2.7V ~ 5.5V
Number of I/O 16 16 16 16
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Data Converters A/D 11x10b A/D 11x10b A/D 11x10b A/D 11x10b
Package / Case 20-SOIC (0.295', 7.50mm Width) 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad
Core Processor AVR AVR AVR AVR
Oscillator Type Internal Internal Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TA)
Connectivity USI USI USI USI
Base Product Number ATTINY261 ATTINY261 ATTINY261 ATTINY261
Series AVR® ATtiny AVR® ATtiny AVR® ATtiny Automotive, AEC-Q100, AVR® ATtiny
Package Tube Tray Tray Tape & Reel (TR)
Supplier Device Package 20-SOIC 32-VQFN (5x5) 32-VQFN (5x5) 32-QFN (5x5)
Program Memory Type FLASH FLASH FLASH FLASH

ATTINY261-20SU Datasheet PDF

Download ATTINY261-20SU pdf datasheets and Microchip Technology documentation for ATTINY261-20SU - Microchip Technology.

PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf
HTML Datasheet
ATtiny261/461/861(V) Complete.pdf ATtiny261/461/861(V) Summary.pdf
PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATTINY261-20SU Image

ATTINY261-20SU

Microchip Technology
32D-ATTINY261-20SU

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