ATTINY861-20MU
- Mfr.Part #
- ATTINY861-20MU
- Manufacturer
- Microchip Technology
- Package / Case
- 32-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 32VQFN
- Stock
- 7,439
- In Stock :
- 7,439
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Interface :
- 2-Wire, SPI
- Seated Height-Max :
- 1 mm
- DAC Channels :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Instruction Set Architecture :
- RISC
- REACH SVHC :
- No SVHC
- Factory Lead Time :
- 14 Weeks
- Width :
- 5mm
- Number of SPI Channels :
- 1
- Published :
- 2006
- Number of ADC Channels :
- 11
- Mounting Style :
- SMD/SMT
- Core Architecture :
- AVR
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Core Processor :
- AVR
- Adc Channels :
- 11
- Package Type :
- MLFP
- Device Core :
- AVR
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Data Bus Width :
- 8B
- Has ADC :
- yes
- Number of Terminals :
- 32
- Family Name :
- ATtiny861
- Terminal Finish :
- Matte Tin (Sn)
- Minimum Operating Temperature :
- -40 °C
- Program Memory Type :
- Flash
- Power Supplies :
- 3/5V
- Base Part Number :
- ATtiny861
- Terminal Pitch :
- 0.5 mm
- Terminal Form :
- NO LEAD
- Pbfree Code :
- yes
- Package Shape :
- Square
- Adc Resolution :
- 10
- Height :
- 1mm
- Number of I/O Lines :
- 16
- RoHS :
- Compliant
- Length :
- 5mm
- JESD-30 Code :
- S-XQCC-N32
- Number of I/O :
- 16
- ECCN Code :
- EAR99
- RoHS Status :
- ROHS3 Compliant
- Oscillator Type :
- Internal
- Pin Count :
- 32
- ROM (words) :
- 4096
- Product :
- MCU
- Package / Case :
- 32-VFQFN Exposed Pad
- Frequency :
- 20MHz
- Watchdog Timer :
- yes
- Core Size :
- 8-Bit
- Radiation Hardening :
- No
- Max Supply Voltage :
- 5.5 V
- Peak Reflow Temperature (Cel) :
- 260
- Data Converters :
- A/D 11x10b
- Packaging :
- Tray
- DMA Channels :
- No
- Clock Speed :
- 20
- EEPROM Size :
- 512 x 8
- Temperature Grade :
- Industrial
- Interfaces :
- USI
- Maximum Operating Temperature :
- +85 °C
- Number of Terminations :
- 32
- Max Operating Temperature :
- 85 °C
- Additional Feature :
- ALSO OPERATES AT 2.7 MINIMUM SUPPLY AT 10 MHZ
- Tradename :
- AVR
- On Chip Program ROM Width :
- 16
- Min Operating Temperature :
- -40 °C
- Reach Compliance Code :
- Compliant
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Dimensions :
- 5 x 5 x 0.95mm
- Mounting Type :
- Surface Mount
- ROM Programmability :
- Flash
- Number of I2C Channels :
- 1
- Number of Timers/Counters :
- 2
- Base Product Number :
- ATtiny861
- Data Converter :
- A/D 11x10b
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Series :
- AVR® ATtiny
- RAM Size :
- 512 x 8
- Can :
- 0
- Supply Voltage :
- 5V
- JESD-609 Code :
- e3
- Speed :
- 20MHz
- Memory Size :
- 8kB
- CPU Family :
- AVR RISC
- Surface Mount :
- yes
- Package :
- Tray
- Supplier Device Package :
- 32-VQFN (5x5)
- Number of Programmable I/O :
- 16
- Schedule B :
- 8542310000
- Product Category :
- 8-bit Microcontrollers - MCU
- Number of PWM Channels :
- 6
- Manufacturer :
- Microchip
- Bit Size :
- 8
- Terminal Position :
- QUAD
- Supply Current-Max :
- 9 mA
- RAM (bytes) :
- 512
- Max Frequency :
- 20 MHz
- Product Status :
- Active
- Connectivity :
- USI
- Min Supply Voltage :
- 2.7 V
- Qualification Status :
- Not Qualified
- Mount :
- Surface Mount
- Number of Pins :
- 32
- Flash Memory :
- 8
- Supply Voltage-Min (Vsup) :
- 4.5V
- Memory Type :
- Flash
- Number of I/Os :
- 16
- Interface Type :
- 2-Wire, SPI, USI
- Lead Free :
- Lead Free
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- PWM Channels :
- yes
- HTS Code :
- 8542.31.00.01
- Brand :
- Microchip Technology
- Program Memory Size :
- 8KB 4K x 16
- Operating Temperature :
- -40°C~85°C TA
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Supply Voltage-Max (Vsup) :
- 5.5V
- Product Type :
- 8-bit Microcontrollers - MCU
- Access Time :
- 20 μs
- Datasheets
- ATTINY861-20MU
ATTINY861-20MU Documents

Microcontrollers Microchip Technology ATTINY861-20MU Overview
Introducing the Microcontrollers Microchip Technology ATTINY861-20MU, a powerful and versatile 8-bit microcontroller that combines Microchip's high-performance AVR® architecture with an array of features designed to support complex digital control systems. This compact yet robust microcontroller is housed in a 32-VQFN package, enabling streamlined integration into a wide range of applications. With 8KB of in-system programmable flash memory, the ATTINY861-20MU offers substantial space for application code, which is essential for system-level enhancements and robust operation in demanding environments.
ATTINY861-20MU Features
The ATTINY861-20MU is equipped with advanced features that enhance its functionality and flexibility. Key features include a 20 MHz internal oscillator, providing robust processing power for timely and efficient operations. It supports up to 16 programmable I/O lines, offering versatility for interfacing with other components and peripherals. Additionally, it includes Analog Comparator and multiple ADC channels, which are crucial for real-time sensor data processing, making it ideal for precision-based applications.
ATTINY861-20MU Applications
- Consumer Electronics: Used in smart home devices and wearables, the ATTINY861-20MU manages sensor integrations and user interfaces, enhancing device functionality and user experience.
- Industrial Control Systems: Applies its robust I/O capabilities and real-time processing to monitor and control machinery, ensuring operational efficiency and safety.
- Automotive Applications: Drives automotive subsystems such as lighting controls and dashboard indicators, leveraging its high reliability and adaptive control features under varied environmental conditions.
- Power Management: Efficiently handles power supply monitoring and management in devices, optimizing power usage and prolonging battery life.
- Medical Devices: Employs its precise ADC and processing power in small-scale medical monitoring equipment, facilitating accurate health tracking and diagnostics.
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