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| PartNumber | ATMEGA1281-16AU | ATMEGA1281-16MU | ATMEGA1281-16AUR |
| Description | 8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins | 8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V | 8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM |
| 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 | TQFP-64 | QFN-64 | TQFP-64 |
| Series | ATmega128x | ATmega128x | ATmega128x |
| 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 | 128 kB | 128 kB | 128 kB |
| Data RAM Size | 8 kB | 8 kB | 8 kB |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 54 I/O | 54 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 | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | Reel |
| Height | 1 mm | 0.95 mm | 1 mm |
| Length | 14 mm | 9 mm | 14 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 14 mm | 9 mm | 14 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 4 kB | 4 kB | 4 kB |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | 2-Wire, SPI, USART | 2-Wire, SPI, UART | - |
| Moisture Sensitive | Yes | - | Yes |
| Number of ADC Channels | 8 | - | - |
| Number of Timers/Counters | 6 Timer | 6 Timer | - |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 260 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.012720 oz | 0.007277 oz | 0.023175 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA1281-16AU | 8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins | |
| ATMEGA1281-16MU | 8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V | ||
| ATMEGA1281-16AUR | 8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM | ||
| ATMEGA1281-16MUR | 8-bit Microcontrollers - MCU 128K FL 8K SRAM 4KB EE 16MHZ IND 5V | ||
| ATMEGA1281-16MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU 128K FL 8K SRAM 4KB EE 16MHZ IND 5V | ||
| ATMEGA1281-16AUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM | ||
| ATMEGA1281-16MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V | ||
| ATMEGA1281-16AU | IC MCU 8BIT 128KB FLASH 64TQFP |