ATTINY861A-PU
- Mfr.Part #
- ATTINY861A-PU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20DIP
- Stock
- 36,639
- In Stock :
- 36,639
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Seated Height-Max :
- 5.334 mm
- Core Size :
- 8-Bit
- Base Part Number :
- ATTINY861A
- Max Frequency :
- 20 MHz
- Power Supplies :
- 2/5 V
- Lead Free :
- Lead Free
- Instruction Set Architecture :
- RISC
- Supplier Device Package :
- 20-PDIP
- Dimensions :
- 25.98 x 7.11 x 4.95mm
- Data Bus Width :
- 8B
- Mounting Style :
- Through Hole
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Published :
- 1997
- Pbfree Code :
- yes
- Temperature Grade :
- Industrial
- ROM (words) :
- 8192
- DMA Channels :
- No
- Pin Count :
- 20
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Surface Mount :
- No
- Number of I/O :
- 16
- Memory Size :
- 8kB
- Factory Lead Time :
- 7 Weeks
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- CPU Family :
- AVR RISC
- Series :
- AVR® ATtiny
- Qualification :
- -
- MSL :
- -
- Connectivity :
- USI
- Mounting Type :
- Through Hole
- Has ADC :
- yes
- Supply Voltage-Max (Vsup) :
- 5.5V
- Watchdog Timer :
- yes
- Number of Terminations :
- 20
- Terminal Pitch :
- 2.54 mm
- REACH SVHC :
- No SVHC
- Number of SPI Channels :
- 2
- Package Type :
- PDIP
- DAC Channels :
- No
- Package Shape :
- RECTANGULAR
- RAM Size :
- 512 x 8
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Schedule B :
- 8542310000, 8542310000/8542310000, 8542310000/8542310000/8542310000, 8542310000/8542310000/8542310000/8542310000
- Core Architecture :
- AVR
- Package / Case :
- 20-DIP (0.300, 7.62mm)
- Mount :
- Through Hole
- Frequency :
- 20MHz
- Number of Timers/Counters :
- 2
- Brand :
- Microchip Technology / Atmel
- Reach Compliance Code :
- Compliant
- Family Name :
- ATtiny861
- Number of ADC Channels :
- 11
- Operating Temperature :
- -40°C~85°C TA
- ROM Programmability :
- Flash
- Tradename :
- AVR
- Terminal Position :
- Dual
- Supply Current-Max :
- 7 mA
- Max Operating Temperature :
- 85 °C
- Bit Size :
- 8
- Package :
- Tube
- Interface Type :
- SPI
- Typical Operating Supply Voltage :
- 1.8 → 5.5 V
- Additional Feature :
- ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 4 MHZ; AND 2.7V MINIMUM SUPPLY AT 10 MHZ
- Base Product Number :
- ATtiny861
- PWM Channels :
- yes
- Qualification Status :
- Not Qualified
- Manufacturer :
- Microchip
- Oscillator Type :
- Internal
- Length :
- 25.98mm
- Memory Type :
- Flash
- Program Memory Size :
- 8KB 4K x 16
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Number of PWM Channels :
- 3
- JESD-30 Code :
- R-PDIP-T20
- Supply Voltage :
- 5V
- Product :
- MCU
- Packaging :
- Tube
- Terminal Form :
- THROUGH-HOLE
- Number of Programmable I/O :
- 16
- Data Converter :
- A/D 11x10b
- Interface :
- SPI
- Number of I2C Channels :
- 1
- Min Supply Voltage :
- 1.8 V
- Supply Voltage-Min (Vsup) :
- 4.5V
- Product Status :
- Active
- Product Category :
- 8-bit Microcontrollers - MCU
- Number of I/O Lines :
- 16
- Minimum Operating Temperature :
- -40 °C
- Data Converters :
- A/D 11x10b
- Core Processor :
- AVR
- Min Operating Temperature :
- -40 °C
- Maximum Operating Temperature :
- +85 °C
- EEPROM Size :
- 512 x 8
- Program Memory Type :
- Flash
- Number of Pins :
- 20
- RoHS :
- Compliant
- Width :
- 7.11mm
- Speed :
- 20MHz
- Device Core :
- AVR
- Number of I/Os :
- 16
- RAM (bytes) :
- 512
- Max Supply Voltage :
- 5.5 V
- Height :
- 5.334mm
- RoHS Status :
- ROHS3 Compliant
- Number of Terminals :
- 20
- Contact Plating :
- Tin
- Interfaces :
- SPI
- Product Type :
- 8-bit Microcontrollers - MCU
- Datasheets
- ATTINY861A-PU
ATTINY861A-PU Documents

Microcontrollers Microchip Technology ATTINY861A-PU Overview
The Microcontrollers Microchip Technology ATTINY861A-PU is a robust 8-bit microcontroller that provides an ideal solution for embedded applications requiring compact, yet powerful control. Designed by Microchip Technology, this microcontroller features 8KB of flash memory, housed in a practical 20-pin DIP (Dual In-line Package) format. Its efficient architecture and versatile capabilities make it perfect for developing high-performance, space-sensitive applications in a variety of industries.
ATTINY861A-PU Features
This microcontroller is equipped with an advanced set of features that enhance its functionality and flexibility in complex environments:
- 8KB of In-system Programmable Flash: allows for reliable on-chip storage of application code.
- High-performance, Low-power AVR® 8-bit Microcontroller: ensures optimal power consumption with superior processing capabilities.
- Advanced RISC Architecture: enables fast learning and easy programming with 131 powerful instructions.
- 20-pin DIP Packaging: provides a compact solution for PCB designs, enhancing product durability and ease of integration.
- Multiple Programmable I/O Lines: offers flexibility in controlling various electronic components.
- Analog Comparator and Adjustable Brown-out Detector: for enhanced safety and reliability in unpredictable operating conditions.
ATTINY861A-PU Applications
- Consumer Electronics: Utilized in smart home devices such as thermostats and remote controls, enhancing usability and functionality with its responsive microcontroller features.
- Automotive Applications: Integral in creating cost-effective, reliable automotive components like battery management systems, where precision and durability are paramount.
- Industrial Automation: Drives the development of robust industrial control systems, offering scalable solutions that improve operational efficiency and safety.
- Wearable Technology: Employs its compact size and power efficiency in wearable devices, supporting innovative health and fitness technology.
- Hobbyist Projects: Ideal for DIY electronics projects, providing hobbyists with a flexible, programmable platform to explore new ideas and innovations.
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