| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89S8253-24JU | ATMEL CORP | 8051 | 8-Bit | 24MHz | SPI, UART/USART | 32 | 12KB (12K x 8) | FLASH | 2K x 8 | 256 x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| ATMEGA48-20AU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 4KB (2K x 16) | FLASH | 256 x 8 | 512 x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA48V-10AU | ATMEL CORP | AVR | 8-Bit | 10MHz | I²C, SPI, UART/USART | 23 | 4KB (2K x 16) | FLASH | 256 x 8 | 512 x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA48V-10MU | ATMEL CORP | AVR | 8-Bit | 10MHz | I²C, SPI, UART/USART | 23 | 4KB (2K x 16) | FLASH | 256 x 8 | 512 x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-VFQFN Exposed Pad | |
| ATMEGA48-20MU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 4KB (2K x 16) | FLASH | 256 x 8 | 512 x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-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 | |
| ATMEGA328-AU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA324A-AUR | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| ATMEGA168PA-PU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 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 | 28-DIP (0.300, 7.62mm) | |
| ATMEGA48V-10PU | ATMEL CORP | AVR | 8-Bit | 10MHz | I²C, SPI, UART/USART | 23 | 4KB (2K x 16) | FLASH | 256 x 8 | 512 x 8 | 1.8 V ~ 5.5 V | A/D 6x10b | Internal | -40°C ~ 85°C | 28-DIP (0.300, 7.62mm) |
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