| clock_speed | 16.0 MHz |
| reach_svhc_compliance | No SVHC |
| rohs_status | Compliant |
| mounting_style | Surface Mount |
| case_package | TQFP |
| ram_bytes | 2560 B |
| pin_count | 44 |
| flash_memory_bytes | 16384 B |
| MCU Applications | USB Microcontroller |
| Architecture | megaAVR |
| MCU Core Size | 8bit |
| Program Memory Size | 16KB |
| RAM Memory Size | 2.5KB |
| CPU Speed | 16MHz |
| No. of I/O's | 26I/O's |
| MCU Case Style | TQFP |
| No. of Pins | 44Pins |
| Embedded Interface Type | I2C, SPI, UART, USART |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 5.5V |
| Packaging | Each |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 3 - 168 hours |
| SVHC | No SVHC (17-Dec-2015) |
| Base Number | megaAVR |
| Controller Family/Series | AVR MEGA |
| Device Marking | ATMEGA16U4-AU |
| EEPROM Memory Size | 512Byte |
| Flash Memory Size | 16KB |
| Logic Function Number | 16 |
| MPU Core Size | 8bit |
| No. of ADC Inputs | 12 |
| No. of PWM Channels | 14 |
| No. of Timers | 5 |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Operating Temperature Range | -40°C to +85°C |
| Oscillator Type | External, Internal |
| Peripherals | ADC, Comparator, PWM, Timer |
| Supply Voltage Range | 2.7V to 5.5V |
