The ATTINY861-20SU is an 8-bit microcontroller from Quarktwin Technology Ltd. featuring a high-performance, low-power AVR architecture. It operates at a voltage range of 2.7 to 5.5V and supports a maximum clock speed of 20 MHz. The microcontroller includes 8KB of in-system programmable Flash memory, 512 bytes of EEPROM, and 512 bytes of SRAM, with endurance ratings of 10,000 write/erase cycles for Flash and 100,000 for EEPROM. This device is equipped with a variety of peripherals, including an 8/16-bit timer/counter, high-speed PWM outputs, a 10-bit ADC with multiple channels, and a programmable watchdog timer. It also features an on-chip debug system and supports low power modes, making it suitable for battery-operated applications. The ATTINY861-20SU is available in a 20-pin SOIC package and is rated for industrial temperature ranges from -40¬8C to +85¬8C. Its combination of features and performance makes it a versatile choice for embedded applications.
IC MCU 8BIT 8KB FLASH 20SOIC
AVR AVR® ATtiny Microcontroller IC 8-Bit 20MHz 8KB (4K x 16) FLASH 20-SOIC
IC MCU 8BIT 8KB FLASH 20SOIC Product overview: ATTINY861-20SU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 8KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 8KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATTINY861-20SU can be used for catalog matching and distributor lookup.
Manufacturer: Microchip Technology
Win Source Part Number: 1020589-ATTINY861-20
Packaging: Tube/Rail
Core Processor: AVR
Number of I/O: 16
Program Memory Size: 8KB (4K x 16)
Program Memory Type: FLASH
EEPROM Size: 512 x 8
Data Converters: A/D 11x10b
Family Name: ATtiny861
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 20-SOIC
Speed(Frequency): 20MHz
Supply Voltage - Operating: 2.7 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 512 x 8
Alternative Parts (Cross-Reference): CY7C63001A-SXC; CY7C63001A-SCT; CY7C63001A-SC; CY7C63001C-SXC;
Introduction Date: May 02, 1997
ECCN: EAR99
Country of Origin: China, Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 57 pct.
Supply and Demand Status: Balance
IC MCU 8BIT 8KB FLASH 20SOIC
8-bit Microcontrollers - MCU 8kB Flash 0.512kB EEPROM 16 I/O Pins
IC MCU 8BIT 8KB FLASH 20SOIC
AVR AVR® ATtiny Microcontroller IC 8-Bit 20MHz 8KB (4K x 16) FLASH 20-SOIC
| ODG (Origin Data Global) | DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | ATTINY861-20SU | ATTINY861-20SU-ND | 685-ATTINY861-20SU | 1020589-ATTINY861-20SU | ATTINY861-20SU | ATTINY861-20SU | ATTINY861-20SU | ATTINY861-20SU |
| Product Name | Microcontrollers | Microcontrollers | 8-bit 8BIT 8KB Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - ATTINY861-20SU | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit; 8-Bit | |
| Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | ||
| RAM | 0.5120 KB | 0.5120 KB | 0.5120 KB | 8 KB | 512 KB | 0.5120 KB | ||
| ROM Type | Flash; FLASH | Flash | EEPROM; EEPROM | Flash; FLASH | Flash; FLASH | |||
| Supply Voltage | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 5.5 volts |
