ATTINY861A-SUR
- Mfr.Part #
- ATTINY861A-SUR
- Manufacturer
- Microchip Technology
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20SOIC
- Stock
- 25,902
- In Stock :
- 25,902
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Timers/Counters :
- 2
- Series :
- AVR® ATtiny
- Reach Compliance Code :
- Compliant
- Surface Mount :
- yes
- Length :
- 13mm
- Terminal Position :
- Dual
- Tradename :
- AVR
- Terminal Finish :
- Matte Tin (Sn)
- Supply Current-Max :
- 7 mA
- Max Supply Voltage :
- 5.5 V
- Product Status :
- Active
- Height :
- 2.35mm
- CPU Family :
- AVR RISC
- Seated Height-Max :
- 2.65 mm
- Power Supplies :
- 2/5 V
- Contact Plating :
- Tin
- JESD-609 Code :
- e3
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Min Operating Temperature :
- -40 °C
- Core Processor :
- AVR
- Pbfree Code :
- yes
- Number of I/O Lines :
- 16
- Interface Type :
- I2C, SPI
- Number of I/O :
- 16
- Package Shape :
- RECTANGULAR
- Data Bus Width :
- 8B
- Terminal Form :
- Gull wing
- RAM (bytes) :
- 512
- Data Converter :
- A/D 11x10b
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- Mounting Type :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- JESD-30 Code :
- R-PDSO-G20
- Lead Free :
- Lead Free
- Operating Temperature :
- -40°C~85°C TA
- Terminal Pitch :
- 1.27 mm
- Qualification Status :
- Not Qualified
- Interfaces :
- SPI
- Pin Count :
- 20
- Min Supply Voltage :
- 1.8 V
- RoHS Status :
- ROHS3 Compliant
- Width :
- 7.6mm
- Brand :
- Microchip Technology / Atmel
- Speed :
- 20MHz
- Data Converters :
- A/D 11x10b
- Base Product Number :
- ATtiny861
- PWM Channels :
- yes
- ROM Programmability :
- Flash
- Mount :
- Surface Mount
- Product Type :
- 8-bit Microcontrollers - MCU
- Product :
- MCU
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- EEPROM Size :
- 512 x 8
- Temperature Grade :
- Industrial
- Number of Pins :
- 20
- Supply Voltage :
- 5V
- Supply Voltage-Min (Vsup) :
- 4.5V
- Mounting Style :
- SMD/SMT
- Number of Programmable I/O :
- 16
- Core Size :
- 8-Bit
- Package Type :
- SOIC
- Program Memory Size :
- 8KB 4K x 16
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- RAM Size :
- 512 x 8
- Schedule B :
- 8542310000
- Memory Type :
- Flash
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Instruction Set Architecture :
- RISC
- Number of Terminations :
- 20
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- RoHS :
- Compliant
- DMA Channels :
- No
- Bit Size :
- 8
- Family Name :
- ATTINY861A
- Additional Feature :
- ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 4 MHZ; AND 2.7V MINIMUM SUPPLY AT 10 MHZ
- DAC Channels :
- No
- Core Architecture :
- AVR
- Number of I/Os :
- 16
- Minimum Operating Temperature :
- -40 °C
- Oscillator Type :
- Internal
- Watchdog Timer :
- yes
- Max Frequency :
- 20 MHz
- Number of Terminals :
- 20
- Supplier Device Package :
- 20-SOIC
- Device Core :
- AVR
- Peak Reflow Temperature (Cel) :
- 250
- Program Memory Type :
- Flash
- Product Category :
- 8-bit Microcontrollers - MCU
- Number of I2C Channels :
- 1
- Dimensions :
- 13 x 7.6 x 2.35mm
- Connectivity :
- USI
- Maximum Operating Temperature :
- +85 °C
- Max Operating Temperature :
- 85 °C
- Base Part Number :
- ATTINY861A
- Number of SPI Channels :
- 1
- Published :
- 1997
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- ROM (words) :
- 8192
- Manufacturer :
- Microchip
- Has ADC :
- yes
- Number of ADC Channels :
- 11 Channel
- Frequency :
- 20MHz
- Interface :
- SPI
- Supply Voltage-Max (Vsup) :
- 5.5V
- Factory Lead Time :
- 6 Weeks
- Memory Size :
- 8kB
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Datasheets
- ATTINY861A-SUR

Microcontrollers Microchip Technology ATTINY861A-SUR Overview
The ATTINY861A-SUR from Microchip Technology is a robust microcontroller unit (MCU) tailored for advanced control systems. Featuring a compact, high-performance 8-bit AVR architecture, this microcontroller is designed to optimize operational efficiency in a variety of applications. With 8KB of in-system programmable flash, the ATTINY861A-SUR is not only versatile but also offers substantial code storage for complex applications. Its integration in a 20SOIC package ensures it fits seamlessly into space-constrained environments, making it a preferred choice for designers seeking a blend of power and size. The use of Microcontrollers Microchip Technology ATTINY861A-SUR in your designs guarantees enhanced processing capabilities, low power consumption, and significant reliability for demanding applications.
ATTINY861A-SUR Features
The ATTINY861A-SUR microcontroller is equipped with several key features that make it ideal for a wide range of applications. These include an advanced RISC architecture, 8KB of flash memory, 512 Bytes of EEPROM, and 512 Bytes of SRAM. It operates at a voltage range of 2.7V to 5.5V, which allows for flexible power management and compatibility with various electronic components. Additional features such as PWM channels, ADC inputs, and multiple communication interfaces including USART, SPI, and I2C, provide the necessary tools for comprehensive system control and data transfer.
ATTINY861A-SUR Applications
- Consumer Electronics: Utilized in devices such as smart home gadgets and personal health monitors, where its compact size and powerful MCU capabilities allow for intelligent device functionality and connectivity.
- Industrial Automation: In control systems within manufacturing lines, the ATTINY861A-SUR offers precise sensor readings and process control, enhancing automation reliability and efficiency.
- Automotive Applications: Employed in car accessory systems for control and monitoring purposes, its robust operation under varying voltages ensures dependable performance in automotive environments.
- Power Management Systems: Integral to developing solutions for energy-efficient power supply systems, providing essential control and monitoring functionalities to improve system stability and efficiency.
- Wearable Technology: Ideal for integration into wearable devices due to its low power consumption and high functionality, supporting innovative features in compact form factors.
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