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| Part Number | ATTINY841-MMH |
| Datasheet | ATTINY841-MMH datasheet |
| Description | IC MCU 8BIT 8KB FLASH 20VQFN |
| Manufacturer | Microchip Technology |
| Series | AVR® ATtiny |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | PWM |
| Number of I/O | 12 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.7V ~ 5.5V |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 20-VFQFN Exposed Pad |
| Base Part Number | 20-VQFN (3x3) |