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Microchip Technology ATTINY261APU Microcontroller

The ATtiny261A is a low-power CMOS 8-bit microcontroller based on enhanced AVR RISC architecture. It features 2/4/8K byte flash memory, EEPROM, SRAM, and multiple timers, ADCs, and communication interfaces. Ideal for power-sensitive applications, it supports in-system reprogramming, multiple sleep modes, and flexible clock sources including internal oscillators, external crystals, and PLL-based clocks. Its rich feature set enables efficient processing and versatile system design with fast wake-up times, reliable operation, and extended data retention. Suitable for embedded systems, sensor interfaces, and power management solutions, perfect for optimizing performance versus power consumption.

Authorized Distributors
Source:Newark
Part No:ATTINY261A-PU
Stock:152
Inv Date:06-11-2026
Price: Unit price: $1.93
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Source:DigiKey
Part No:ATTINY261A-PU
Stock:348
Inv Date:06-11-2026
Price: Unit price: $1.87
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Part No:ATTINY261A-PU
Stock:522
Inv Date:06-12-2026
Price: Unit price: $1.87
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Part No:ATTINY261A-PU
Stock:540
Inv Date:06-11-2026
Price: Unit price: $1.44
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Part No:ATTINY261A-PU
Stock:540
Inv Date:06-11-2026
Price: Unit price: $1.44
Buy/RFQ:
Part No:ATTINY261A-PU
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.74
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Microchip Technology ATTINY261APU Microcontroller Specifications:

  • Memory: 2/4/8K bytes Flash, 128/256/512 Bytes EEPROM, 128/256/512 Bytes SRAM
  • I/O Lines: 16 programmable I/O pins
  • Instruction Set: 123 powerful instructions, single clock cycle execution
  • Timers: One 8/16-bit Timer/Counter, Three Output Compare Units
  • ADC: 10-bit ADC with multiple channels, differential and single-ended modes
  • Communication: Universal Serial Interface, SPI compatible
  • Power Supply: 1.8V to 5.5V, low active power consumption
  • Sleep Modes: Idle, ADC Noise Reduction, Power-down, Standby
  • Clock Options: Internal RC, external crystal, PLL-based clock system
  • Data retention: 20 years at 85°C, 100 years at 25°C
  • In-System Programmable: Flash via SPI, EEPROM, self-programming capabilities
  • Package options: 20-pin PDIP, SOIC, TSSOP, 32-pad MLF

Buy the Buy Atmel ATtiny261A Part Number ATTINY261APU Online

Experience the flexibility and low power consumption of the ATtiny261A microcontroller. With 2/4/8K flash, multi-channel ADC, timers, and serial interfaces, it is ideal for embedded system projects demanding efficiency and performance. In-system reprogramming via SPI allows easy updates, while multiple sleep modes optimize power savings. Its extended data retention ensures long-term reliability, making it perfect for sensor interfaces, power management, and IoT applications. Quick online ordering guarantees fast delivery, supporting your project's success with quality and dependability.

Order your Atmel ATtiny261A microcontroller today and empower your embedded design with reliable, efficient, and low-power technology for versatile applications.

Frequently Asked Questions

Where can I buy Microchip Technology ATTINY261APU?

You can click on the BUY or RFQ button to purchase ATTINY261APU from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part ATTINY261APU?

You can download the ATTINY261APU datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of ATTINY261APU?

Microchip Technology

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