| Type | Description | 
|---|---|
| Series: | AVR® ATmega | 
| Package: | Tube | 
| Part Status: | Active | 
| Core Processor: | AVR | 
| Core Size: | 8-Bit | 
| Speed: | 20MHz | 
| Connectivity: | I²C, SPI, UART/USART | 
| Peripherals: | Brown-out Detect/Reset, POR, PWM, WDT | 
| Number of I/O: | 23 | 
| Program Memory Size: | 8KB (4K x 16) | 
| Program Memory Type: | FLASH | 
| EEPROM Size: | 512 x 8 | 
| RAM Size: | 1K x 8 | 
| Voltage - Supply (Vcc/Vdd): | 1.8V ~ 5.5V | 
| Data Converters: | A/D 6x10b | 
| Oscillator Type: | Internal | 
| Operating Temperature: | -40°C ~ 85°C (TA) | 
| Mounting Type: | Through Hole | 
| Package / Case: | 28-DIP (0.300", 7.62mm) | 
| Supplier Device Package: | 28-PDIP | 
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