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| PartNumber | ATMEGA8U2-MU | ATMEGA8U2-AUR | ATMEGA8U2-AU |
| Description | 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 8K FLASH OPT | 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-32 | TQFP-32 | LQFP-32 |
| Series | ATmega8U2 | ATmega8U2 | ATmega8U2 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 1 kB | 512 B | 512 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 22 I/O | 22 I/O | 22 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Reel | Tray |
| Height | 0.95 mm | - | 1.05 mm (Max) |
| Length | 5 mm | - | 7 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 5 mm | - | 7 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 512 B | 512 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | SPI, UART | SPI, USART, USB | SPI, USART, USB |
| Number of Timers/Counters | 2 Timer | 1 x 8 bit, 1 x 16 bit | 2 Timer |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 2000 | 250 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.006653 oz | - | 0.027302 oz |
| Moisture Sensitive | - | Yes | Yes |
| Watchdog Timers | - | Watchdog Timer | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA8U2-MU | 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 8K FLASH OPT | |
| ATMEGA8U2-MUR | 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | ||
| ATMEGA8U2-AUR | 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | ||
| ATMEGA8U2-AU | 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | ||
| ATMEGA8U2-MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | ||
| ATMEGA8U2-AUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | ||
| ATMEGA8U2-AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU USB 8K FLASH 16 MHz | ||
| ATMEGA8U2-MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 8K FLASH AVR USB 8K FLASH OPT | ||
| ATMEGA8U2 | New and Original |