ATTINY861A-XUR
- Mfr.Part #
- ATTINY861A-XUR
- Manufacturer
- Microchip Technology
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20TSSOP
- Stock
- 4
- In Stock :
- 4
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Data Converter :
- A/D 11x10b
- Product Category :
- 8-bit Microcontrollers - MCU
- Has ADC :
- yes
- Max Frequency :
- 20MHz
- Number of Timers/Counters :
- 2
- Low Power Mode :
- yes
- Operating Supply Voltage (Typ) :
- 2.5/3.3/5(V)
- Speed :
- 20MHz
- Frequency :
- 20MHz
- On Chip Data RAM Width :
- 8
- Number of I/O Lines :
- 16
- Interface :
- SPI
- JESD-30 Code :
- R-PDSO-G20
- Package Type :
- TSSOP
- Max Supply Voltage :
- 5.5V
- Min Supply Voltage :
- 1.8V
- Reach Compliance Code :
- Unknown
- Boundary Scan :
- No
- Terminal Pitch :
- 0.65 mm
- Technology :
- CMOS
- Pbfree Code :
- yes
- Operating Temperature :
- -40°C~85°C TA
- Memory Type :
- Flash
- Package Shape :
- RECTANGULAR
- Tradename :
- AVR
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Operating Supply Voltage (Max) :
- 5.5(V)
- Program Memory Type :
- Flash
- Data Bus Width :
- 8B
- Mount :
- Surface Mount
- Core Processor :
- AVR
- Operating Temperature (Max) :
- 85C
- Base Part Number :
- ATTINY861A
- Number of Programmable I/O :
- 16
- Integrated Cache :
- No
- Supplier Device Package :
- 20-TSSOP
- Core Architecture :
- AVR
- Maximum Operating Temperature :
- + 85 C
- Number of Timers :
- 2
- Program Memory Size :
- 8KB 4K x 16
- Terminal Position :
- Dual
- Watchdog Timer :
- yes
- Mounting Type :
- Surface Mount
- Connectivity :
- USI
- Data Converters :
- A/D 11x10b
- ROM Programmability :
- Flash
- Programmable :
- yes
- Factory Lead Time :
- 6 Weeks
- DMA Channels :
- No
- Width :
- 4.4 mm
- Oscillator Type :
- Internal
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Device Core Size :
- 8(b)
- Length :
- 6.5 mm
- Mounting Style :
- SMD/SMT
- Schedule B :
- 8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000
- Interface Type :
- SPI
- Max Operating Temperature :
- 85°C
- Rad Hardened :
- No
- Manufacturer :
- Microchip
- RAM Size :
- 512 x 8
- Operating Temperature (Min) :
- -40C
- Contact Plating :
- Gold
- Series :
- AVR® ATtiny
- CPU Family :
- AVR RISC
- Core Size :
- 8-Bit
- Instruction Set Architecture :
- RISC
- Number of External Interrupts :
- 2
- Number of I/Os :
- 16
- Min Operating Temperature :
- -40°C
- Total Internal Ram Size :
- 512B(kB)
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Packaging :
- Tape and Reel (TR)
- Brand :
- Microchip Technology
- Number of Pins :
- 20
- Operating Temperature Classification :
- Industrial
- Device Core :
- AVR
- Product Type :
- 8-bit Microcontrollers - MCU
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- RoHS :
- Compliant
- Format :
- FIXED-POINT
- Product :
- MCU
- Operating Supply Voltage (Min) :
- 1.8(V)
- Mounting :
- Surface Mount
- Clock Freq :
- 20(MHz)
- EEPROM Size :
- 512 x 8
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- PWM Channels :
- yes
- Base Product Number :
- ATtiny861
- Terminal Form :
- Gull wing
- Published :
- 1997
- On Chip Program ROM Width :
- 16
- Temperature Grade :
- Industrial
- Interfaces :
- SPI
- Minimum Operating Temperature :
- - 40 C
- Memory Size :
- 8kB
- Pin Count :
- 20
- Surface Mount :
- yes
- DAC Channels :
- No
- Operating Temp Range :
- -40C to 85C
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- RoHS Status :
- ROHS3 Compliant
- Bit Size :
- 8
- RAM (bytes) :
- 512
- Seated Height-Max :
- 1.2 mm
- Additional Feature :
- ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 4 MHZ; AND 2.7V MINIMUM SUPPLY AT 10 MHZ
- Number of I/O :
- 16
- Number of Terminals :
- 20
- Supply Current-Max :
- 7 mA
- # I/Os (Max) :
- 16
- Product Status :
- Active
- Subcategory :
- Microcontrollers - MCU
- Number of Timers - General Purpose :
- 2
- Datasheets
- ATTINY861A-XUR
ATTINY861A-XUR Documents

Microcontrollers Microchip Technology ATTINY861A-XUR Overview
The Microcontrollers Microchip Technology ATTINY861A-XUR is a high-performance, low-power AVR® 8-bit microcontroller that combines 8KB ISP flash memory with read-while-write capabilities, 512-Bytes EEPROM, and 512-Bytes SRAM. The device operates between 2.7-5.5 volts, making it ideal for a wide range of industrial and consumer applications where efficiency and reliability are key. This microcontroller is housed in a 20-TSSOP package, offering a compact footprint while providing robust interfacing capabilities. Designed for versatility, the ATTINY861A-XUR supports a variety of high-speed communication options and is equipped with a 10-bit analog-to-digital converter, enhancing its functionality in complex embedded systems.
ATTINY861A-XUR Features
This microcontroller unit (MCU) features an advanced RISC architecture that enables fast processing and efficient power consumption. The ATTINY861A-XUR also boasts various peripherals such as PWM channels, analog comparators, and multiple programmable serial USARTs, making it exceptionally suitable for multitasking environments. Enhanced power-save modes ensure prolonged battery life in portable devices, further highlighting its suitability for sophisticated power management applications.
ATTINY861A-XUR Applications
- Consumer Electronics: Utilized in products like smart home devices, where its low power consumption and high functionality enhance user experience and device reliability.
- Automotive Applications: Ideal for use in automotive systems due to its robust operation range and capabilities in controlling vehicle dynamics and interfacing with sensors.
- Industrial Control Systems: Powers complex machinery controls, benefiting from its extensive I/O capabilities and resistance to environmental challenges.
- Wearable Technology: Serves as the core processor in wearable devices, where its efficiency and compact size are crucial for performance and form factor.
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