ATTINY861-15MD

Description：IC MCU 8BIT 8KB FLASH 32QFN
Series：AVR® ATtiny
Mfr：Microchip Technology
Package：Cut Tape (CT)
Core Processor：AVR

SKU:f4d25bcfe0d7 Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC MCU 8BIT 8KB FLASH 32QFN
Series：AVR® ATtiny
Mfr：Microchip Technology
Package：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)
Mounting Type：Surface Mount
Supplier Device Package：32-QFN (5x5)
Package / Case：32-VFQFN Exposed Pad
Grade：Automotive
Qualification：AEC-Q100

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ATTINY861-15MD

Overview

The ATTINY861-15MD is an automotive-grade 8-bit AVR microcontroller featuring 8K bytes of in-system programmable Flash, 512 bytes of EEPROM, and 512 bytes of SRAM. It operates at a maximum clock frequency of 15 MHz within a voltage range of 2.7V to 5.5V. The device includes 16 programmable I/O lines, a 10-bit ADC with multiple channels, timers, counters, and a universal serial interface. Designed for harsh environments, it supports an extended operating temperature range from -40°C to +125°C.

Feature Summary

Automotive-grade reliability verified against AEC-Q100 standards
High-performance single-cycle RISC architecture
Integrated analog comparator and programmable watchdog timer
Supports debugWIRE on-chip debugging system

Applications

Configurable three-phase BLDC fan control systems
Sensorless motor control applications
Automotive electronic modules requiring extended temperature tolerance

Procurement Notes

Verify the specific suffix 'MD' corresponds to the required package type and temperature grade during sourcing. Confirm that the component meets the necessary automotive qualification standards for your specific application environment. Ensure compatibility with existing development tools and programming interfaces before finalizing procurement decisions.

Selection Notes

Select this component when high reliability in extreme temperatures is required. Consider the 15MHz speed grade if processing throughput needs exceed lower variants. Evaluate the available I/O count and peripheral set against system requirements to ensure adequate resource allocation for sensor inputs and actuator outputs.

Part Context

This part belongs to the ATtiny261/461/861 family of automotive microcontrollers manufactured by Microchip Technology. These devices share a common core architecture but differ in memory sizes and package options. The series is designed to provide robust performance for embedded control tasks in demanding industrial and automotive sectors.