| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA48PA-AU | ATMEL CORP | AVR | 8-Bit | 20MHz | 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 | |
| ATMEGA48A-PU | ATMEL CORP | AVR | 8-Bit | 20MHz | 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) | |
| ATTINY461-20SU | ATMEL CORP | AVR | 8-Bit | 20MHz | USI | 16 | 4KB (2K x 16) | FLASH | 256 x 8 | 256 x 8 | 2.7 V ~ 5.5 V | A/D 11x10b | Internal | -40°C ~ 85°C | 20-SOIC (0.295, 7.50mm Width) | |
| 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 | |
| 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 | |
| ATMEGA48-20PU | 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 6x10b | Internal | -40°C ~ 85°C | 28-DIP (0.300, 7.62mm) | |
| ATTINY44A-SSNR | ATMEL CORP | AVR | 8-Bit | 20MHz | USI | 12 | 4KB (2K x 16) | FLASH | 256 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 14-SOIC (0.154, 3.90mm Width) | |
| ATTINY44A-CCU | ATMEL CORP | AVR | 8-Bit | 20MHz | USI | 12 | 4KB (2K x 16) | FLASH | 256 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 15-UFBGA | |
| ATTINY44A-MF | ATMEL CORP | AVR | 8-Bit | 20MHz | USI | 12 | 4KB (2K x 16) | FLASH | 256 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 125°C | 20-WFQFN Exposed Pad | |
| ATMEGA48PA-MN | ATMEL CORP | AVR | 8-Bit | 20MHz | 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 ~ 105°C | 32-VFQFN Exposed Pad |
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