The ATMEGA168-20MU is an 8-bit AVR microcontroller with a core architecture frequency of 20MHz. It features 16KB of FLASH memory and 1KB of RAM. The device supports SPI and USART interfaces and operates within a temperature range of -40°C to 85°C. It is supplied with a voltage between 2.7V and 5.5V and is available in a surface mount package, packaged on tape and reel.
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| Core Architecture | AVR |
| Frequency | 20MHz |
| Interface | SPI, USART |
| Max Operating Temperature | 85°C |
| Memory Size | 16KB |
| Memory Type | FLASH |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of Timers/Counters | 3 |
| Packaging | Tape and Reel |
| RAM Size | 1KB |
| RoHS | Compliant |
