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ATTINY861-20SUR The ATTINY861-20SUR is an 8-bit AVR microcontroller from Microchip Technology with 8KB flash memory, 512B RAM, and 512B EEPROM. It operates at up to 20MHz and comes in a 20-SOIC surface mount package.
Mfr Part #:

ATTINY861-20SUR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATTINY861-20SUR is an 8-bit AVR microcontroller from Microchip Technology with 8KB flash memory, 512B RAM, and 512B EEPROM. It operates at up to 20MHz and comes in a 20-SOIC surface mount package.
✓ Total Stock: 20,089 pcs

ATTINY861-20SUR Available from 1 distributor

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Romaks Technologies ✓
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20,089 pcs
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ATTINY861-20SUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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ATTINY861-20SUR Description

Short technical summary and product information.

The ATTINY861-20SUR is an 8-bit AVR microcontroller from Microchip Technology, part of the ATtiny861 family. It features a high-performance AVR core running at up to 20MHz.

 

It includes 8KB of in-system programmable flash memory, 512 bytes of SRAM, and 512 bytes of EEPROM. Peripheral features include a 10-bit ADC with 11 single-ended channels, USI connectivity, PWM outputs, brown-out detection, and a watchdog timer.

 

The device operates from 2.7V to 5.5V, with an industrial temperature range of -40°C to +85°C. It is available in a 20-SOIC surface mount package (7.50mm width). The oscillator is internal.

 

Typical applications include embedded control systems, sensor interfaces, and low-power devices. The microcontroller supports in-system programming via SPI and includes debugWIRE for on-chip debugging.

ATTINY861-20SUR Quick Information

Product Type: Microcontroller
Series: ATtiny861
Canonical Name: ATTINY861-20SUR
Subcategory: 8-bit Microcontroller

ATTINY861-20SUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATTINY861-20SUR Features

  • 8-bit AVR core running at 20MHz.
  • 8KB flash memory with 10k write/erase cycles.
  • 512 bytes SRAM and 512 bytes EEPROM.
  • 10-bit ADC with 11 single-ended channels.
  • 16 programmable I/O lines in 20-pin SOIC.

ATTINY861-20SUR Applications

  • Embedded control systems and automation.
  • Sensor data acquisition and processing.
  • Low-power battery-operated devices.
  • Motor control with PWM outputs.
  • Industrial temperature monitoring.

ATTINY861-20SUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range?

2.7V to 5.5V.

What package does the ATTINY861-20SUR come in?

20-SOIC (0.295", 7.50mm Width) surface mount package.

What is the operating temperature range?

-40°C to +85°C.

Is the ATTINY861-20SUR RoHS compliant?

RoHS3 Compliant (unverified).

How much flash memory does it have?

8KB (4K x 16) flash.

What is the maximum clock speed?

20MHz.

How many I/O pins are available?

16 programmable I/O lines.

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