8-bit AVR microcontroller featuring 4KB Flash memory and 256B RAM. Operates at up to 20MHz with an 8-bit data bus width. Offers I2C, SPI, and UART/USART interfaces, 18 I/O pins, and 2 timers/counters. Includes internal oscillator, brown-out detect, POR, PWM, and watchdog timer. Packaged in a 20-pin SOIC surface mount format, suitable for operation between -40°C and 85°C with supply voltages from 1.8V to 5.5V.
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| Package/Case | S |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Interface | I2C, SPI, UART, USART |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of I/Os | 18 |
| Number of Programmable I/O | 18 |
| Number of Timers/Counters | 2 |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 256B |
| RoHS Compliant | Yes |
| Series | AVR® ATtiny |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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