The ATTINY25-20SU-T is a surface mount microcontroller from Microchip, featuring an AVR core architecture and operating at a maximum frequency of 20MHz. It has 2KB of FLASH memory and 128 bytes of RAM. The device is packaged in a SOIC and is available in tape and reel packaging. It can operate over a temperature range of -40°C to 85°C, with a maximum supply voltage of 5.5V and a minimum supply voltage of 2.7V.
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| Package/Case | SOIC |
| Core Architecture | AVR |
| Frequency | 20MHz |
| Interface | SPI |
| Max Operating Temperature | 85°C |
| Memory Size | 2KB |
| 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 | 2 |
| Packaging | Tape and Reel |
| RAM Size | 128B |
| RoHS | Compliant |
