The ATTINY44-20SSU is an 8-bit AVR microcontroller with 4KB of FLASH memory and a maximum operating frequency of 20MHz. It features 12 I/Os, 8 ADC channels, and 2 PWM channels. The device operates over a temperature range of -40°C to 85°C and is supplied with a voltage between 2.7V and 5.5V. The ATTINY44-20SSU is packaged in a SOIC-20 surface mount package and is compliant with RoHS regulations.
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Microchip ATTINY44-20SSU technical specifications.
| Package/Case | SOIC |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Density | 4KB |
| Frequency | 20MHz |
| Height | 1.5mm |
| Length | 8.74mm |
| 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 | 2.7V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of Bits | 8 |
| Number of I/Os | 12 |
| Number of I2C Channels | 1 |
| Number of PWM Channels | 2 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 2 |
| Number of UART Channels | 1 |
| Oscillator Type | Internal |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 256B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR® ATtiny |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 3.99mm |
| RoHS | Compliant |
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