ATTINY261-20SUR
- Mfr.Part #
- ATTINY261-20SUR
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 2KB FLASH 20SOIC
- Stock
- 35,262
- In Stock :
- 35,262
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Program Memory Size :
- 2KB 1K x 16
- Oscillator Type :
- Internal
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Max Frequency :
- 20MHz
- Max Supply Voltage :
- 5.5V
- Number of Programmable I/O :
- 16
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 20
- Memory Type :
- Flash
- Core Size :
- 8-Bit
- Min Supply Voltage :
- 2.7V
- Base Part Number :
- ATTINY261
- Program Memory Type :
- Flash
- Number of Timers/Counters :
- 2
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Max Operating Temperature :
- 85°C
- Core Architecture :
- AVR
- Series :
- AVR® ATtiny
- Mount :
- Surface Mount
- Connectivity :
- USI
- Watchdog Timer :
- yes
- Data Bus Width :
- 8B
- Core Processor :
- AVR
- Data Converter :
- A/D 11x10b
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Product Status :
- Obsolete
- Packaging :
- Tape and Reel (TR)
- Number of I/O :
- 16
- Frequency :
- 20MHz
- EEPROM Size :
- 128 x 8
- Data Converters :
- A/D 11x10b
- Radiation Hardening :
- No
- Base Product Number :
- ATTINY261
- Supplier Device Package :
- 20-SOIC
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -40°C~85°C TA
- Speed :
- 20MHz
- Memory Size :
- 2kB
- Published :
- 2013
- Min Operating Temperature :
- -40°C
- RAM Size :
- 128 x 8
- Datasheets
- ATTINY261-20SUR
ATTINY261-20SUR Documents

Microcontrollers Atmel (Microchip Technology) ATTINY261-20SUR Overview
The Microcontrollers Atmel (Microchip Technology) ATTINY261-20SUR is a highly efficient 8-bit microcontroller that integrates 2KB of flash memory in a compact 20SOIC package. Designed by Atmel, now part of Microchip Technology, this MCU stands out for its low power consumption and robust feature set, making it ideal for applications where space and power efficiency are critical. With its advanced RISC architecture, the ATTINY261-20SUR offers impressive performance in processing and executing commands with minimal power usage. This makes it an exceptional choice for developers looking to deploy scalable and cost-effective solutions in a wide range of industrial applications.
ATTINY261-20SUR Features
This microcontroller is equipped with a range of features that enhance its adaptability and functionality in various applications. Key features include 10 general purpose I/O lines, internal and external interrupt capabilities, a 10-bit ADC, multiple programmable serial USARTs, and a watchdog timer with separate on-chip oscillator. Additionally, the ATTINY261-20SUR supports SPI serial programming, making it easy to integrate into existing designs and upgrade firmware in the field.
ATTINY261-20SUR Applications
- Smart Home Devices: Utilized for controlling lighting systems, HVAC units, and other home automation systems through its GPIO capabilities and PWM outputs.
- Industrial Automation: Integrates into sensor management systems to process and relay data efficiently, aiding in machine monitoring and control tasks.
- Wearable Technology: Due to its low power consumption and compact size, it is ideal for wearable devices that require long battery life and minimal space usage.
- Consumer Electronics: Employed in the development of interactive toys, small appliances, and other consumer electronics where size and power efficiency are valuable.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















