Microchip Technology ATMEGA644PA-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.27 | $6.27 |
| 15+ | $6.07 | $91.05 |
| 25+ | $5.94 | $148.50 |
| 50+ | $5.61 | $280.50 |
| 100+ | $4.95 | $495.00 |
| N+ | $0.99 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |  |
The ATMEGA644PA-AUR is a low-power 8-bit AVR microcontroller from Microchip. It operates from 1.8V to 5.5V and runs at up to 20MHz. The device offers 64KB flash memory and 4KB SRAM in a 44-TQFP package. It includes features like Brown-out Detection, POR, PWM, and WDT, making it suitable for a wide range of embedded applications.
- Ultra-low voltage operation (1.8V): Extends battery life in portable devices.
- Large 64KB flash: Accommodates complex firmware without external memory.
- High-speed 20MHz AVR core: Executes most instructions in a single clock cycle.
- Rich peripheral set (PWM, WDT, BOD): Reduces external component count and improves reliability.
IoT Sensor Nodes
With 1.8V operation and 64KB flash, it can run complex sensor fusion algorithms while maintaining low power consumption for battery-powered IoT devices.
Industrial Automation
Use its PWM channels and 20MHz speed for precise motor control in factory automation equipment.
Smart Agriculture
Monitor soil moisture and environmental data. The wide voltage range allows direct connection to various sensor types.
Portable Medical Devices
Its low-voltage operation and rich peripheral set enable compact glucose meters or pulse oximeters.
Robotics
Control multiple servos and read encoders. The 4KB RAM provides ample buffer for motion control algorithms.
Data Logging Systems
With 64KB program memory, implement file systems on external storage and log data over long periods.
- Q: What is the maximum clock speed?
- A: 20MHz, providing high throughput for AVR architecture.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, supporting both low-power and standard logic levels.
- Q: How much flash memory is available?
- A: 64KB, suitable for complex applications.
- Q: What package is this?
- A: 44-TQFP, a compact surface-mount package.
ATMEGA644PA-AUR.pdf
- Q: What is the maximum clock speed?
- A: 20MHz, providing high throughput for AVR architecture.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, supporting both low-power and standard logic levels.
- Q: How much flash memory is available?
- A: 64KB, suitable for complex applications.
- Q: What package is this?
- A: 44-TQFP, a compact surface-mount package.
