Характеристики
| Device Core | AVR |
| Data Bus Width Bit | 8 |
| Instruction Set Architecture | RISC |
| Family Name | ATtiny45 |
| Clock Frequency Max. MHz | 20 |
| Program Memory Type | Flash |
| Program Memory Size KB | 4 |
| Data Memory Size B | 256 |
| RAM Memory Size B | 256 |
| Interfaces | 1x SPI |
| Interfaces | 1x I²C |
| ADC Channels | 4 |
| ADC Resolution Bit | 10 |
| DAC Resolution Bit | 10 |
| Os | 6 |
| Counters | 3 |
| Comparators | 1 |
| Supply Voltage Min. V | 2.7 |
| Supply Voltage Max. V | 5.5 |
| Operating Temperature Min. °C | -40 |
| Operating Temperature Max. °C | 85 |
| Package Type | PDIP |
| Pins | 8 |
| Mounting Type | Through Hole |
| Packaging | Tube |
| Length mm | 0.4 |
| Width mm | 0.32 |
| Height mm | 0.21 |
ATTINY45-20PUMicrochipMicrocontrollers