The ATTINY861V-10MU is a versatile and compact 8-bit AVR® microcontroller by Microchip, ideal for embedded and low-power applications. Equipped with 8 KB of ISP Flash memory, 512 B EEPROM, and 512 B SRAM, this MCU offers efficient performance at up to 10 MHz, operating from 1.8 V to 5.5 V. It features 16 general-purpose I/O lines, an 11-channel 10-bit ADC, multiple communication interfaces (SPI, TWI/I²C, USI), double timers, and support for debugWIRE. Built for industrial-grade reliability, it runs from −40 °C to +85 °C and comes in a compact 32-pad VQFN (MLF-32) package.
| Specification | Details | 
|---|---|
| Core | AVR® | 
| Program Memory Size | 8 kB (Flash) | 
| Data RAM Size | 512 B (SRAM) | 
| Data ROM Size | 512 B (EEPROM) | 
| Data Bus Width | 8-bit | 
| Package / Case | 32-pad VQFN/MLF-32 (5×5 mm), tray | 
| Mounting Style | SMD / SMT | 
| Max Clock Frequency | 10 MHz | 
| ADC Resolution | 10-bit, 11 channels | 
| Number of I/Os | 16 | 
| Interface Type | SPI, TWI (I²C), USI | 
| Timers / Counters | 2 timers | 
| Supply Voltage | 1.8 V – 5.5 V | 
| Operating Temperature | −40 °C – +85 °C | 
| Processor Series | tinyAVR (ATtinyx61) | 
| Moisture Sensitive | Yes | 
| Height | ~0.88 mm | 
| Length | ~5 mm | 
| Series | ATtinyx61 | 
| Packaging | Tray | 
| Brand | Microchip Technology | 
| File Name | Action | 
|---|---|
| ATTINY861V-10MU Datasheet (PDF) | Download |