| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA8A-AU | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 23 | 8KB (4K x 16) | FLASH | 512 x 8 | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA8A-PU | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 23 | 8KB (4K x 16) | FLASH | 512 x 8 | 1K x 8 | 2.7 V ~ 5.5 V | A/D 6x10b | Internal | -40°C ~ 85°C | 28-DIP (0.300, 7.62mm) | |
| ATMEGA165PA-MUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 54 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATMEGA16U4-AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART, USB | 26 | 16KB (8K x 16) | FLASH | 512 x 8 | 1.25K x 8 | 2.7 V ~ 5.5 V | A/D 12x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| ATTINY26-16SU | ATMEL CORP | AVR | 8-Bit | 16MHz | USI | 16 | 2KB (1K x 16) | FLASH | 128 x 8 | 128 x 8 | 4.5 V ~ 5.5 V | A/D 11x10b | Internal | -40°C ~ 85°C | 20-SOIC (0.295, 7.50mm Width) | |
| ATTINY26-16PU | ATMEL CORP | AVR | 8-Bit | 16MHz | USI | 16 | 2KB (1K x 16) | FLASH | 128 x 8 | 128 x 8 | 4.5 V ~ 5.5 V | A/D 11x10b | Internal | -40°C ~ 85°C | 20-DIP (0.300, 7.62mm) | |
| ATMEGA32U4-AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART, USB | 26 | 32KB (16K x 16) | FLASH | 1K x 8 | 2.5K x 8 | 2.7 V ~ 5.5 V | A/D 12x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| ATMEGA64C1-15AZ | ATMEL CORP | AVR | 8-Bit | 16MHz | CAN, LIN, SPI, UART/USART | - | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 11x10b; D/A 1x10b | Internal | -40°C ~ 125°C | 32-TQFP | |
| AT90PWM216-16SU | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART | 19 | 16KB (16K x 8) | FLASH | 512 x 8 | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b; D/A 1x10b | Internal | -40°C ~ 105°C | 24-SOIC (0.295, 7.50mm Width) | |
| ATMEGA8-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 23 | 8KB (4K x 16) | FLASH | 512 x 8 | 1K x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP |
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