Microchip Technology ATTINY861-15MD

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging | Cut Tape (CT)
Core Processor AVR
Core Size 8-Bit
Speed 16MHz
Connectivity USI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 16
Program Memory Size 8KB (4K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Data Converters A/D 11x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 150°C (TA)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount
Supplier Device Package 32-QFN (5x5)
Package / Case 32-VFQFN Exposed Pad

The ATTINY861-15MD is a low-power 8-bit AVR microcontroller from Microchip Technology. With 8KB of flash and 512 bytes of RAM, it operates at up to 16MHz from a 2.7V to 5.5V supply. The 32-VFQFN package provides a compact solution for space-limited designs, while its temperature range of -40°C to 150°C ensures reliability in extreme conditions.

  • Ultra-Compact: 32-VFQFN saves significant board space.
  • High-Temperature Tolerance: Operates up to 150°C.
  • Low Power: Ideal for battery-operated devices.
  • Integrated Peripherals: PWM, WDT, and analog comparator reduce BOM.

Small Appliances

Low pin count and 5V operation make it ideal for coffee makers and blenders.

Sensor Nodes

Low power consumption and small footprint suit battery-powered IoT sensors.

Lighting Control

PWM outputs drive LED dimmers and color controllers.

Motor Control

Simple BLDC fan control with Hall sensor inputs.

Battery Chargers

ADC and PWM manage CC/CV charging profiles.

Security Systems

WDT and low-power modes support motion detectors and alarm panels.

Q: What is the program memory size?
A: It has 8KB of in-system programmable flash memory.
Q: What is the maximum clock speed?
A: It runs at up to 16MHz.
Q: What is the package type?
A: It is available in a 32-VFQFN package with exposed pad.
Q: Does it support PWM?
A: Yes, it includes PWM channels along with WDT and Brown-out detection.
Base Product Number : ATTINY861
16MHz 8-bit 8KB flash AVR high temp low power MCU Microchip PWM VFQFN-32
Q: What is the program memory size?
A: It has 8KB of in-system programmable flash memory.
Q: What is the maximum clock speed?
A: It runs at up to 16MHz.
Q: What is the package type?
A: It is available in a 32-VFQFN package with exposed pad.
Q: Does it support PWM?
A: Yes, it includes PWM channels along with WDT and Brown-out detection.