ATTINY861A-MU
- Mfr.Part #
- ATTINY861A-MU
- Manufacturer
- Microchip Technology
- Package / Case
- 32-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 32VQFN
- Stock
- 9,835
- In Stock :
- 9,835
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Memory Type :
- Flash
- Data Converters :
- A/D 11x10b
- Mounting Style :
- SMD/SMT
- Core Size :
- 8-Bit
- Max Operating Temperature :
- 85 °C
- Instruction Set Architecture :
- RISC
- Number of I2C Channels :
- 1
- DAC Channels :
- No
- EEPROM Size :
- 512 x 8
- Memory Size :
- 8kB
- Minimum Operating Temperature :
- -40 °C
- Seated Height-Max :
- 1 mm
- Tradename :
- AVR
- Published :
- 1997
- Pbfree Code :
- yes
- Interfaces :
- SPI
- Width :
- 5.1mm
- Family Name :
- ATtiny861
- Supply Current-Max :
- 7 mA
- Temperature Grade :
- Industrial
- Operating Temperature :
- -40°C~85°C TA
- Maximum Operating Temperature :
- +85 °C
- Device Core :
- AVR
- Oscillator Type :
- Internal
- Speed :
- 20MHz
- CPU Family :
- AVR RISC
- Watchdog Timer :
- yes
- Number of Terminations :
- 32
- Number of Terminals :
- 32
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e3
- Package / Case :
- 32-VFQFN Exposed Pad
- Factory Lead Time :
- 7 Weeks
- Brand :
- Microchip Technology / Atmel
- Core Architecture :
- AVR
- Base Product Number :
- ATtiny861
- Terminal Form :
- NO LEAD
- Length :
- 5.1mm
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Height :
- 950μm
- Supply Voltage :
- 5V
- Data Bus Width :
- 8B
- Product Status :
- Active
- Lead Free :
- Lead Free
- Number of SPI Channels :
- 1
- Product :
- MCU
- Number of Programmable I/O :
- 16
- Series :
- AVR® ATtiny
- Package Shape :
- Square
- Terminal Finish :
- Matte Tin (Sn)
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Number of Timers/Counters :
- 2
- Min Operating Temperature :
- -40 °C
- Dimensions :
- 5.1 x 5.1 x 0.95mm
- Mounting Type :
- Surface Mount
- Mount :
- Surface Mount
- Package :
- Tray
- Contact Plating :
- Tin
- Data Converter :
- A/D 11x10b
- Connectivity :
- USI
- RoHS :
- Compliant
- Power Supplies :
- 2/5 V
- DAC Resolution :
- -
- REACH SVHC :
- No SVHC
- Supply Voltage-Max (Vsup) :
- 5.5V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Min Supply Voltage :
- 1.8 V
- Product Type :
- 8-bit Microcontrollers - MCU
- Reach Compliance Code :
- Compliant
- Core Processor :
- AVR
- Program Memory Size :
- 8KB 4K x 16
- Number of Pins :
- 32
- Typical Operating Supply Voltage :
- 1.8 → 5.5 V
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Additional Feature :
- ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 4 MHZ; AND 2.7V MINIMUM SUPPLY AT 10 MHZ
- Number of I/Os :
- 16
- Supply Voltage-Min (Vsup) :
- 4.5V
- Surface Mount :
- yes
- Bit Size :
- 8
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- QUAD
- Manufacturer :
- Microchip
- RAM (bytes) :
- 512
- Max Frequency :
- 20 MHz
- ROM Programmability :
- Flash
- Number of ADC Channels :
- 11
- Product Category :
- 8-bit Microcontrollers - MCU
- Packaging :
- Tray
- Max Supply Voltage :
- 5.5 V
- Radiation Hardening :
- No
- Terminal Pitch :
- 0.5mm
- JESD-30 Code :
- S-XQCC-N32
- Qualification Status :
- Not Qualified
- ROM (words) :
- 8192
- Number of I/O :
- 16
- Supplier Device Package :
- 32-VQFN (5x5)
- Number of I/O Lines :
- 16
- Interface Type :
- I2C, SPI
- Package Type :
- MLF
- DMA Channels :
- No
- Frequency :
- 20MHz
- Program Memory Type :
- Flash
- Interface :
- SPI
- Schedule B :
- 8542310000
- Pin Count :
- 32
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Has ADC :
- yes
- RAM Size :
- 512 x 8
- PWM Channels :
- yes
- Base Part Number :
- ATTINY861A
- Datasheets
- ATTINY861A-MU
ATTINY861A-MU Documents

Microcontrollers Microchip Technology ATTINY861A-MU Overview
The Microcontrollers Microchip Technology ATTINY861A-MU is a highly versatile 8-bit microcontroller from Microchip Technology, featuring 8KB of flash memory. Housed in a compact 32-VQFN package, this microcontroller is engineered to deliver high-performance operation in a variety of embedded applications. It combines power efficiency with robust functionality, making it an ideal solution for developers looking for a scalable and reliable MCU for their embedded systems. Its integration capabilities and low power consumption are particularly beneficial for battery-operated devices, enhancing both system reliability and efficiency.
ATTINY861A-MU Features
This microcontroller offers a rich set of features, including:
- 8KB of in-system programmable flash
- High-performance, low-power AVR® 8-bit microcontroller
- Advanced RISC architecture with 131 powerful instructions
- 32 general purpose working registers
- Up to 16 MIPS throughput at 16MHz
- Analog comparator and programmable watchdog timer with internal oscillator
- Multiple programmable serial USARTs
- 10-bit ADC with 16 channels and a programmable gain amplifier
ATTINY861A-MU Applications
- Consumer Electronics: Used in devices such as smart watches, where its low power consumption and high performance are essential for handling complex user interfaces and connectivity.
- Automation Systems: Integrates into industrial and home automation systems for sensor management, data collection, and device control, ensuring efficient and reliable operations.
- Automotive Applications: Serves as a control unit for automotive components like battery management systems, enhancing vehicle efficiency and reliability.
- Medical Devices: Applicable in portable medical instruments where precision and reliability are critical, such as handheld diagnostic kits or wearable health monitors.
- Utility Metering: Utilized in smart metering solutions, providing accurate and secure data processing capabilities for utilities management.
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