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ATTINY261-20MUR

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ATTINY261-20MUR

IC MCU 8BIT 2KB FLASH 32VQFN

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology AVR® ATtiny microcontroller, part number ATTINY261-20MUR, features an 8-bit AVR core operating at up to 20MHz. This device offers 2KB of FLASH program memory and 128 bytes of RAM, complemented by 128 bytes of EEPROM. Data conversion is handled by an 11-channel 10-bit Analog-to-Digital converter. Connectivity options include the Universal Serial Interface (USI). Integrated peripherals consist of Brown-out Detect/Reset, Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). The component is supplied in a 32-VQFN (5x5) package for surface mounting and operates across a voltage range of 2.7V to 5.5V within an ambient temperature range of -40°C to 85°C. This microcontroller is suitable for applications across industrial, automotive, and consumer electronics sectors.

Additional Information

Series: AVR® ATtinyRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:
Technical Details:
PackagingTape & Reel (TR)
Package / Case32-VFQFN Exposed Pad
Mounting TypeSurface Mount
Speed20MHz
Program Memory Size2KB (1K x 16)
RAM Size128 x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size128 x 8
Core ProcessorAVR
Data ConvertersA/D 11x10b
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)2.7V ~ 5.5V
ConnectivityUSI
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Supplier Device Package32-VQFN (5x5)
Number of I/O16
ProgrammableNot Verified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.

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