| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA2560-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 256KB (128K x 16) | FLASH | 4K x 8 | 8K x 8 | 4.5 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA6450-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 68 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA3250-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 69 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA3290-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 69 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA640-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 64KB (32K x 16) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA6450-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 68 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA1280-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 128KB (64K x 16) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA640-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 64KB (32K x 16) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA1280-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 128KB (64K x 16) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA2560-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 256KB (128K x 16) | FLASH | 4K x 8 | 8K x 8 | 4.5 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP |
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