ATTINY861-20SU
- Mfr.Part #
- ATTINY861-20SU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20SOIC
- Stock
- 6,778
- In Stock :
- 6,778
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- CPU Family :
- AVR RISC
- Number of I/O Lines :
- 16
- REACH SVHC :
- No SVHC
- Connectivity :
- USI
- Product :
- MCU
- Data Converter :
- A/D 11x10b
- Radiation Hardening :
- No
- Pbfree Code :
- yes
- Number of PWM Channels :
- 6
- Maximum Operating Temperature :
- +85 °C
- Family Name :
- ATtiny861
- Max Frequency :
- 20 MHz
- Has ADC :
- yes
- Temperature Grade :
- Industrial
- Terminal Finish :
- Matte Tin (Sn)
- Interface Type :
- 2-Wire, SPI, USI
- JESD-30 Code :
- R-PDSO-G20
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Speed :
- 20MHz
- Number of SPI Channels :
- 1
- Packaging :
- Tube
- Package Shape :
- RECTANGULAR
- Mount :
- Surface Mount
- Density :
- 64 kb
- Brand :
- Microchip Technology / Atmel
- Program Memory Type :
- Flash
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Instruction Set Architecture :
- RISC
- Seated Height-Max :
- 2.65 mm
- Number of I2C Channels :
- 1
- Number of I/Os :
- 16
- RoHS Status :
- ROHS3 Compliant
- DAC Channels :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Core Processor :
- AVR
- PWM Channels :
- yes
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Dimensions :
- 13 x 7.6 x 2.35mm
- Base Part Number :
- ATtiny861
- Mounting Style :
- SMD/SMT
- Number of Programmable I/O :
- 16
- Min Operating Temperature :
- -40 °C
- Watchdog Timer :
- yes
- Supply Voltage-Max (Vsup) :
- 5.5V
- Number of Timers/Counters :
- 2
- Supply Voltage-Min (Vsup) :
- 4.5V
- Base Product Number :
- ATtiny861
- ROM Programmability :
- Flash
- Series :
- AVR® ATtiny
- Number of I/O :
- 16
- RoHS :
- Compliant
- Mounting Type :
- Surface Mount
- EEPROM Size :
- 512 x 8
- Oscillator Type :
- Internal
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- Data Converters :
- A/D 11x10b
- Operating Temperature :
- -40°C~85°C TA
- MSL :
- MSL 2 - 1 year
- Frequency :
- 20MHz
- Interfaces :
- USI
- Contact Plating :
- Tin
- RAM Size :
- 512 x 8
- Program Memory Size :
- 8KB 4K x 16
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- ROM (words) :
- 8192
- Product Status :
- Active
- Width :
- 7.6mm
- Min Supply Voltage :
- 2.7 V
- Schedule B :
- 8542310000, 8542310000/8542310000, 8542310000/8542310000/8542310000, 8542310000/8542310000/8542310000/8542310000
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Factory Lead Time :
- 10 Weeks
- Data Bus Width :
- 8B
- JESD-609 Code :
- e3
- Minimum Operating Temperature :
- -40 °C
- Device Core :
- AVR
- Length :
- 13mm
- Bit Size :
- 8
- Number of ADC Channels :
- 11
- Terminal Pitch :
- 1.27 mm
- Product Type :
- 8-bit Microcontrollers - MCU
- Tradename :
- AVR
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Number of Bits :
- 8
- Core Size :
- 8-Bit
- RAM (bytes) :
- 512
- Max Supply Voltage :
- 5.5 V
- Product Category :
- 8-bit Microcontrollers - MCU
- Termination :
- SMD/SMT
- Package :
- Tube
- Max Operating Temperature :
- 85 °C
- Supplier Device Package :
- 20-SOIC
- Reach Compliance Code :
- Compliant
- Qualification Status :
- Not Qualified
- Terminal Form :
- Gull wing
- Access Time :
- 20 μs
- Memory Type :
- Flash
- Pin Count :
- 20
- Terminal Position :
- Dual
- Lead Free :
- Lead Free
- Published :
- 2008
- Additional Feature :
- ALSO OPERATES AT 2.7 MINIMUM SUPPLY AT 10 MHZ
- Peak Reflow Temperature (Cel) :
- 250
- Supply Current-Max :
- 9 mA
- Surface Mount :
- yes
- Number of Pins :
- 20
- Number of Terminations :
- 20
- Manufacturer :
- Microchip
- Core Architecture :
- AVR
- Package Type :
- SOIC
- Number of Terminals :
- 20
- Memory Size :
- 8kB
- Supply Voltage :
- 5V
- Power Supplies :
- 3/5V
- DMA Channels :
- No
- Interface :
- 2-Wire, SPI
- Height :
- 2.35mm
- Qualification :
- -
- Datasheets
- ATTINY861-20SU
ATTINY861-20SU Documents

Microcontrollers Microchip Technology ATTINY861-20SU Overview
The Microcontrollers Microchip Technology ATTINY861-20SU is a robust and versatile 8-bit microcontroller that offers an optimal balance of performance and power efficiency. Designed by Microchip Technology, this MCU is built on a high-performance AVR® architecture, and is well-suited for a wide range of industrial and commercial applications. With its 8KB of flash memory and advanced features, the ATTINY861-20SU is engineered to handle complex tasks despite its compact 20SOIC package size. Its ability to operate between 2.7V to 5.5V makes it highly adaptable to varying power supplies, enhancing its applicability in diverse operational environments.
ATTINY861-20SU Features
This microcontroller incorporates several features that enhance its usability and functionality in complex electronics environments. Key features include:
- 8KB In-system programmable flash
- 512B EEPROM
- 512B SRAM
- Up to 20 MHz operating frequency
- Advanced RISC Architecture
- Power-on Reset and Programmable Brown-out Detection
- Six PWM Channels
- 10-bit ADC with 12 channels
- Multiple programmable serial USARTs
ATTINY861-20SU Applications
- Consumer Electronics: Utilized in smart appliances and personal gadgets where compact size and power efficiency are crucial.
- Automotive Applications: Serves in car entertainment systems, enhancing user interface controls and connectivity.
- Industrial Control Systems: Operates as a control unit in automation systems, ensuring efficient processing and reliable operation.
- Power Management Systems: Implements sophisticated battery management and energy conservation functionalities in portable devices.
- Healthcare Devices: Used in medical monitoring equipment where precision and reliability are necessary.
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