| Internal | 0.295 in | 20-SOIC | 7.5 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 125 °C | -40 °C | 1 K | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 16 MHz | Surface Mount | 2.7 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | |
| Internal | 0.295 in | 20-SOIC | 7.5 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 105 °C | -40 °C | 1 K | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 20 MHz | Surface Mount | 1.8 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | |
| Internal | 3 mm | 20-VQFN | 3 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 125 °C | -40 °C | 512 | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 16 MHz | Surface Mount | 2.7 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | 20-VFQFN Exposed Pad |
| Internal | 3 mm | 20-VQFN | 3 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 105 °C | -40 °C | 512 | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 20 MHz | Surface Mount | 1.8 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | 20-VFQFN Exposed Pad |
| Internal | 3 mm | 20-VQFN | 3 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 125 °C | -40 °C | 512 | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 16 MHz | Surface Mount | 2.7 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | 20-VFQFN Exposed Pad |
| Internal | 0.295 in | 20-SOIC | 7.5 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 125 °C | -40 °C | 1 K | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 16 MHz | Surface Mount | 2.7 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | |
| Internal | 0.295 in | 20-SOIC | 7.5 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 105 °C | -40 °C | 1 K | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 20 MHz | Surface Mount | 1.8 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | |
| Internal | 3 mm | 20-VQFN | 3 mm | Brown-out Detect POR PWM Reset WDT | FLASH | 8 bit | 128 | 105 °C | -40 °C | 512 | 8 bit | 8 Bit | I2C SPI UART USART | AVR | 20 MHz | Surface Mount | 1.8 V | 5.5 V | 8 K | 8 bit | 8 KB | 12 count | 10 bit | 18 | 20-VFQFN Exposed Pad |