8-bit AVR RISC microcontroller featuring 8KB Flash program memory and 512B RAM. This surface-mount device operates at up to 20 MHz, with 16 programmable I/Os and two timers. It includes an 11-channel ADC and SPI interface, housed in a 32-pin VQFN EP package measuring 5x5x0.88mm. Supports 2.5V, 3.3V, and 5V operation with a maximum supply voltage of 5.5V and an operating temperature range of -40°C to 85°C.
PackageVQFN EP
MountingSurface Mount
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Technical Specifications
Microchip ATtiny861A-MU technical specifications.
General
| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | VQFN EP |
| Package Description | Very Thin Quad Flat No Lead Package, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 32 |
| PCB | 32 |
| Package Length (mm) | 5 |
| Package Width (mm) | 5 |
| Package Height (mm) | 0.88 |
| Seated Plane Height (mm) | 0.9 |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MO-220 |
| Family Name | ATtiny |
| Data Bus Width | 8bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 20MHz |
| Maximum CPU Frequency | 20MHz |
| Device Core | AVR |
| Program Memory Type | Flash |
| Program Memory Size | 8KB |
| RAM Size | 512B |
| Number of Programmable I/Os | 16 |
| Core Architecture | AVR |
| Programmability | Yes |
| Number of Timers | 2 |
| Interface Type | SPI |
| CAN | 0 |
| I2C | 0 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 0 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 11 |
| Number of ADCs | Single |
Compliance
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Datasheet
Microchip ATtiny861A-MU Datasheet
Download the complete datasheet for Microchip ATtiny861A-MU to view detailed technical specifications.
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