8-bit AVR microcontroller featuring 4KB Flash memory and 256B RAM. Operates at up to 20MHz with an 8-bit data bus width. Includes 12 I/Os, 8 ADC channels, 1 I2C channel, 2 PWM channels, and 2 SPI channels. Supports SPI interface and an internal oscillator. Packaged in a 20-VQFN, surface mountable tray.
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Microchip ATTINY44A-MMH technical specifications.
| Package/Case | VQFN |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Density | 4KB |
| Frequency | 20MHz |
| Height | 0.38mm |
| Interface | SPI |
| Length | 3.1mm |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of I/Os | 12 |
| Number of I2C Channels | 1 |
| Number of PWM Channels | 2 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 2 |
| Oscillator Type | Internal |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor |
| Radiation Hardening | No |
| RAM Size | 256B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR® ATtiny |
| Termination | SMD/SMT |
| Width | 3.1mm |
| RoHS | Compliant |
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