Microchip ATTINY861-20MU, 8bit AVR Microcontroller, ATtiny861, 20MHz, 8 kB Flash, 32-Pin VQFN

The Microchip ATtiny861 8-bit microcontroller is based AVR® RISC architecture. It operates on 2.7V to 5.5V voltage range. This microcontroller features 8KB of ISP Flash, 512B EEPROM, 512B SRAM, six general purpose I/O lines, 16 general purpose I/O lines, 32 general purpose working registers, debugWIRE for on-chip debugging, an 8-bit timer/counter with compare modes, an 8-bit high-speed timer/counter with PWM and separate prescaler, universal serial interface (USI), internal and external interrupts, an 11-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, and four software selectable power saving modes.

Fully Static Operation
Data retention of 20 years at 85°C / 100 years at 25°C
Programming Lock for Self-Programming Flash Program & EEPROM Data Security
On-chip Analog Comparator
Programmable Watchdog Timer with Separate On-chip Oscillator
Universal Serial Interface with Start Condition Detector
debugWIRE On-chip Debug System
In-System Programmable via SPI Port
External and Internal Interrupt Sources
Low Power Idle, ADC Noise Reduction, Standby and Power-Down Modes
Enhanced Power-on Reset Circuit
Programmable Brown-out Detection Circuit
Internal Calibrated Oscillator
On-chip Temperature Sensor
Low Power Consumption
Temperature range between -40°C to 150°C
32-pad, 5 x 5 x 1.0 mm Body, Lead Pitch 0.50 mm, Micro Lead Frame (MLF) package